Products

Suppliers
Filter Gallery
77,297

Wholesale Switching Transformer

Products
Current Transformer High Frequency Transformer Switching Power Supply Transformer Electric Transformer Dc Transformer

Sorry! No matches were found.

Factory Wholesale Switching Power Supply Pd Charger EQ2514 24V 12 Planar Electronic High-Frequency Vertical Transformer

Factory Wholesale Switching Power Supply Pd Charger EQ2514 24V 12 Planar Electronic High-Frequency Vertical Transformer

US $ 0.85-0.95 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Current Transformer, Inductors, Wireless Charger, CMC Inductor, Power Inductor, Pfc Inductor, Coils, Transformer, Magnetic Components
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Annter Technology Group (Dongguan) Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Electrical Transformer Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer

Electrical Transformer Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer

US $ 0.9 / Piece FOB
100 Pieces (MOQ)
More
Core : Core-type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Xinsheng Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Global Wholesale MID Voltage Mini AC Current Transformer with Switching Power Supply

Global Wholesale MID Voltage Mini AC Current Transformer with Switching Power Supply

US $ 0.5-13.5 / Piece FOB
1 Piece (MOQ)
More
Main Products: Split Core Current Transformer, CT Power Supply, Clamp on Current Transformer, Permalloy Core, Silicon Steel Core, Amorphous Nanocrystalline Core, Current Transformer Coil, Coupling Transformer, Common Mode Inductor, Electromagnetic Shielding Can
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hefei Hemei Electronics Technology Co., Ltd.

Manufacturer/Factory

Anhui, China Since 2024
Chat Now Send Inquiry
Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer

Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer

US $ 0.9 / Piece FOB
100 Pieces (MOQ)
More
Phase : Single
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Xinsheng Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
High Frequency Etd34 Etd49 Pq2620 Pq3525 Switching Power Supply Flyback Transformer

High Frequency Etd34 Etd49 Pq2620 Pq3525 Switching Power Supply Flyback Transformer

US $ 0.5-1.5 / Piece FOB
500 Pieces (MOQ)
More
Main Products: Transformer, Inductor, High Frequency Transformer, Toroidal Transformer, Ei Transformer, Ring Core Transformer, Choke Inductor, Choke Coil, Common Mode Choke, Planar Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Changzhou Hensiron Electric Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2021
Chat Now Send Inquiry
Electronics Transformer Ee20 High Frequency Ferrite Core Switching Transformer for Power Supply

Electronics Transformer Ee20 High Frequency Ferrite Core Switching Transformer for Power Supply

US $ 0.2-0.6 / Piece FOB
1,000 Pieces (MOQ)
More
Cooling Method : Dry-type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Shenzhen Okerda Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2019
Chat Now Send Inquiry
Ee Ei Ferrite High Voltage High Frequency Power Electric Main Supply, Electrical Switching Flyback Mode Current Transformer with Good Price

Ee Ei Ferrite High Voltage High Frequency Power Electric Main Supply, Electrical Switching Flyback Mode Current Transformer with Good Price

US $ 0.5-1 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Low Frequency Transformer, High Frequecy Transformer, Power Supply Transformer, Three Phase Transformer, Class 2 Transformer, Single Phase Transformer, Encapsulated Linear Power Transformer, Toroidal Transformer, Choke Toroidal Coil, Common Mode Inductor
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Brightex Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Custom Made High Frequency Switching Power Transformer

Custom Made High Frequency Switching Power Transformer

US $ 0.21-0.24 / Piece FOB
1,000 Pieces (MOQ)
More
Application : Power, Electronic, Instrument, Lighting, Audio
Contact Supplier
Audited Supplier Audited Supplier Since 2020
AL Transfo Technology Limited

Manufacturer/Factory

Anhui, China Since 2020
Chat Now Send Inquiry
Full Bridge Pq Type Switching Power Transformer for Audio Amplifier

Full Bridge Pq Type Switching Power Transformer for Audio Amplifier

US $ 0.75-0.85 / Piece FOB
2,000 Pieces (MOQ)
More
Main Products: SMD/SMT Inductors, Choke Coils, Power Transformers, SMPS Transformers, Rod/Air Coils, Current Transformers, Reactors, Line Filters
Contact Supplier
Audited Supplier Audited Supplier Since 2014
IKP ELECTRONICS CO., LTD.

Anhui, China Since 2014
Chat Now Send Inquiry
10kHz 230V 6W Switching Power in-Vehicle Electronics Ferrite Transformer

10kHz 230V 6W Switching Power in-Vehicle Electronics Ferrite Transformer

US $ 0.5-0.6 / Piece FOB
1,000 Pieces (MOQ)
More
Application : Power, Electronic, Instrument, Lighting, Rectifier, Audio
Contact Supplier
Audited Supplier Audited Supplier Since 2011
Tianjin Grewin Technology Co., Ltd.

Manufacturer/Factory

Tianjin, China Since 2011
Chat Now Send Inquiry
Trusted Suppliers in China Wholesale Sale of Current Transformer

Trusted Suppliers in China Wholesale Sale of Current Transformer

US $ 10-100 / Piece FOB
3 Pieces (MOQ)
More
Main Products: Current Transformer, Energy Meter Calibration, Power Quality Analyzer, Test Equipment, CT PT Analyzer, Relay Test Equipment, Split Core Current Transformer, Current Probe, Voltage Transformer, Power Meter
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Beijing GFUVE Electronics Co., Ltd.

Manufacturer/Factory

Beijing, China Since 2013
Chat Now Send Inquiry
High Frequency Transformer Switching Electric Transformer Electrical Transformer with CE/ISO9000/RoHS Made in China Qinghao Transformer

High Frequency Transformer Switching Electric Transformer Electrical Transformer with CE/ISO9000/RoHS Made in China Qinghao Transformer

US $ 1,150-3,600 / Piece FOB
1 Piece (MOQ)
More
Winding Type : Two-winding Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Qinghao Transformer Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2023
Chat Now Send Inquiry
Switching Power Supply Transformer Power Adapter LED Power Supply Voltage Regulator Inductor
OEM Lighting Liyang Electric China Switching Power Supply Electronic Oil-Immersed Transformer with ISO9001-2000

OEM Lighting Liyang Electric China Switching Power Supply Electronic Oil-Immersed Transformer with ISO9001-2000

US $ 500-3,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Distribution Box, Substation, Switchgear, Transformer, Oil Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Jiangsu Liyang Electric Appliances Manufacturing Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2024
Chat Now Send Inquiry
Manufacture 380V Rail Transit Isolation Price Dry Type Switching Power Supply Electrical Railway Transformer

Manufacture 380V Rail Transit Isolation Price Dry Type Switching Power Supply Electrical Railway Transformer

1 Piece (MOQ)
More
Core : Core-type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Changsha Lushan Electronic Technology Co., Ltd.

Manufacturer/Factory

Hunan, China Since 2022
Chat Now Send Inquiry
High-Voltage Power Three Phase Transformer Switching Power Supply 30kVA to 1600kVA Oil Immersed Distribution Transformer Price

High-Voltage Power Three Phase Transformer Switching Power Supply 30kVA to 1600kVA Oil Immersed Distribution Transformer Price

US $ 700-50,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Box Type Substation, Power Distribution Cabinet, Switch Cabinet, Electrical Substation, Package Substation, Power Transformer Substation, Switchgear, Electrical Switchgear, Transformer Substation, Prefabricated Substation
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Anhui Sankai Electric Equipment Co.,LTD

Manufacturer/Factory

Anhui, China Since 2024
Chat Now Send Inquiry
Factory Hot Sale EPC39 High Frequency Flyback Switching Power Transformer

Factory Hot Sale EPC39 High Frequency Flyback Switching Power Transformer

US $ 1-1.2 / Piece FOB
500 Pieces (MOQ)
More
Application : Power, Electronic, Instrument
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Xinsheng Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Universal Switching Power Supply Transformers DC28V

Universal Switching Power Supply Transformers DC28V

US $ 100-99,999 / Piece FOB
2 Pieces (MOQ)
More
Main Products: Static Frequency Converter, Solar off Grid Inverter, Voltage and Frequency Stabilizer, AC Power Source, Wind off Grid Inverter, Wind on Grid Inverter, Storage Bi-Directional Inverter, 400Hz Frequency Converter, Test Power Supply, AC to DC Charger
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Jinan Xinyuhua Energy Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Shandong, China Since 2021
Chat Now Send Inquiry
Switching Substation Combined American Prefabricated Substation Pad-Mounted Transformers

Switching Substation Combined American Prefabricated Substation Pad-Mounted Transformers

US $ 3,000-15,000 / Piece FOB
1 Piece (MOQ)
More
Winding Type : Auto-transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangdong Forui Electric Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
1000W Switching Power Supply DC Adjustable Voltage and Current 60V 16A Transformer

1000W Switching Power Supply DC Adjustable Voltage and Current 60V 16A Transformer

US $ 59-70 / Piece FOB
9 Pieces (MOQ)
More
Main Products: Switching Power Supply, Battery Charger, DC Power Supply, Golf Cart Charger, Patrol Car Charger
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Wenzhou Funi Electrical Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2017
Chat Now Send Inquiry
High 24kv Voltage Switching Transformer Price

High 24kv Voltage Switching Transformer Price

US $ 110-125 / Piece FOB
1 Piece (MOQ)
More
Application : Instrument
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shengsu Electric Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Factory Wholesale Switching Power Supply Pd Charger EQ2514 24V 12 Planar Electronic High-Frequency Vertical Transformer
    What is Factory Wholesale Switching Power Supply Pd Charger EQ2514 24V 12 Planar Electronic High-Frequency Vertical Transformer
    Negotiable
    1,000 Pieces (MOQ)
    Contact Supplier
  • What is Electrical Transformer Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer
    What is Electrical Transformer Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
  • What is Global Wholesale MID Voltage Mini AC Current Transformer with Switching Power Supply
    What is Global Wholesale MID Voltage Mini AC Current Transformer with Switching Power Supply
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer
    What is Manufacturer Wholesale High Quality Low Price Vertical Phase Switching Transformer High Frequency Transformer
    Negotiable
    100 Pieces (MOQ)
    Contact Supplier
Switching Power Supply S-25-24 25W 24V SMPS Power Supplies AC to DC Single Output Transformer

Switching Power Supply S-25-24 25W 24V SMPS Power Supplies AC to DC Single Output Transformer

US $ 3.52-4.11 / Piece FOB
5 Pieces (MOQ)
More
Main Products: Switching Power Supply, Switch Power Supply, Power Supply, Switch Mode Power Supply, SMPS, LED Power Supply, Waterproof Power Supply, Dinrail Power Supply, Switching Mode Power Supply, Power Inverter
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Zhejiang Weihao Electronic Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2010
Chat Now Send Inquiry
Flyback Ferrite Core SMPS Step up Transformer High Frequency Switching Power Transformer

Flyback Ferrite Core SMPS Step up Transformer High Frequency Switching Power Transformer

US $ 0.42-0.45 / Piece FOB
1,000 Pieces (MOQ)
More
Range of Application : Choke
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Annter Technology Group (Dongguan) Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Switching Step Down Electric Oil Immersed Transformer with Cooling Fan

Switching Step Down Electric Oil Immersed Transformer with Cooling Fan

US $ 500-20,000 / sets FOB
1 sets (MOQ)
More
Main Products: Oil Transformer, Try Type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Zhejiang Shenmeng Electric Power Technology Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
220V AC 200W to 12V DC Centralized Switching Power Supply Transformer with Battery Backup for LED Lighting

220V AC 200W to 12V DC Centralized Switching Power Supply Transformer with Battery Backup for LED Lighting

US $ 6.9-13.9 / Piece FOB
300 Pieces (MOQ)
More
Output Type : Multiple
Contact Supplier
Audited Supplier Audited Supplier Since 2006
Ninghai Yingjiao Electrical Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang, China Since 2006
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Meanwell UHP-200-5 Average 200W 5V 40A Adjustable Switching Power Supply Transformer

Meanwell UHP-200-5 Average 200W 5V 40A Adjustable Switching Power Supply Transformer

US $ 31.11 / piece FOB
1 piece (MOQ)
More
Main Products: LED Display
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Xiamen Higreen Technology Co., Ltd.

Manufacturer/Factory

Fujian, China Since 2023
Chat Now Send Inquiry
Switching Substation 800kVA Transformer Substation Exporting to The USA

Switching Substation 800kVA Transformer Substation Exporting to The USA

US $ 5,900-10,900 / unit FOB
1 unit (MOQ)
More
Cooling Method : Oil-immersed Type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Jiangsu Daelim Electric Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2023
Chat Now Send Inquiry
Ef High Frequency Switching Transformer Current Transformer

Ef High Frequency Switching Transformer Current Transformer

US $ 0.3-9 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Resistor, Inductor, Transformer, Choke Coil, Wirewound Resistors, Power Inductors, Power Resistor, Electric Components, Fuse Resistor, Electronic Elements
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Changzhou Southern Electronic Element Factory Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2012
Chat Now Send Inquiry
220V Single Phase 12V 40A Switching Power Supply 480W Electric Pole-Mounted Oil Type Transformer

220V Single Phase 12V 40A Switching Power Supply 480W Electric Pole-Mounted Oil Type Transformer

US $ 500-900 / Piece FOB
1 Piece (MOQ)
More
Shape of Core : U
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Henan Jiayue Electric Technology Co., Ltd

Manufacturer/Factory,Trading Company

Henan, China Since 2023
Chat Now Send Inquiry
Electroplating Rectifier Machine Air Cooling Switching Anodising Transformer

Electroplating Rectifier Machine Air Cooling Switching Anodising Transformer

US $ 1,000-5,000 / Piece FOB
1 Piece (MOQ)
More
Main Products: Electroplating Equipment, Coating Equipment, Laser Machine, PCB Machine
Contact Supplier
Audited Supplier Audited Supplier Since 2018
TCA Technology (Suzhou) Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2018
Chat Now Send Inquiry
Lmk-0.66 Type Current Transformer Switching Power Supply

Lmk-0.66 Type Current Transformer Switching Power Supply

US $ 7.1-30 / Piece FOB
100 Pieces (MOQ)
More
Magnetic Circuit Structure : Single Stage Type
Contact Supplier
Since 2023
Delixi Electric Sales Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2023
Chat Now Send Inquiry
Electric Main Efd Ee Ei High Frequency Electrical Switching Flyback Mode Current Transformer with Good Price Ferrite Core High Voltage Power Supply

Electric Main Efd Ee Ei High Frequency Electrical Switching Flyback Mode Current Transformer with Good Price Ferrite Core High Voltage Power Supply

US $ 0.5-1 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Low Frequency Transformer, High Frequecy Transformer, Power Supply Transformer, Three Phase Transformer, Class 2 Transformer, Single Phase Transformer, Encapsulated Linear Power Transformer, Toroidal Transformer, Choke Toroidal Coil, Common Mode Inductor
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Brightex Tech Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
S-240-12 Power Supply 12V 20A Transformer Switching Mode Power Supply 12V 20A 240W DC LED Switching Power Supply for Security Monitoring Devices

S-240-12 Power Supply 12V 20A Transformer Switching Mode Power Supply 12V 20A 240W DC LED Switching Power Supply for Security Monitoring Devices

US $ 4.79-5.36 / Piece FOB
100 Pieces (MOQ)
More
Usage : Switching
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Langbo Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Ec35-T1 Switching Mini Current Electrical Isolation Transformer

Ec35-T1 Switching Mini Current Electrical Isolation Transformer

US $ 0.9 / Piece FOB
100 Pieces (MOQ)
More
Main Products: Electronic Transforme
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Dongguan Xinsheng Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
New 220V to 12V Switching Power Supply 120A High Power 1700W DC Regulated Power Converter Transformer

New 220V to 12V Switching Power Supply 120A High Power 1700W DC Regulated Power Converter Transformer

US $ 64-66.5 / Piece FOB
5 Pieces (MOQ)
More
Cooling Method : Dry-type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Guangzhou Kuerl Automotive Supplies Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2020
Chat Now Send Inquiry
Customized Switching Power Supply Copper Wire Power Transformer Toroidal Core Step up Down Transformer

Customized Switching Power Supply Copper Wire Power Transformer Toroidal Core Step up Down Transformer

US $ 0.6-1.65 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Current Transformer, Inductors, Wireless Charger, CMC Inductor, Power Inductor, Pfc Inductor, Coils, Transformer, Magnetic Components
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Annter Technology Group (Dongguan) Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2021
Chat Now Send Inquiry
Pq2620 Switching High Frequency Transformer 12V

Pq2620 Switching High Frequency Transformer 12V

US $ 0.1-100 / Piece FOB
50 Pieces (MOQ)
More
Cooling Method : Dry-type Transformer
Contact Supplier
Audited Supplier Audited Supplier Since 2012
Changzhou Southern Electronic Element Factory Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2012
Chat Now Send Inquiry
Current Transformer High Frequency Transformer Switching Power Supply Transformer Electric Transformer Dc Transformer
View More

Related Searches

Power Transformer 3 Phase Transformer If Transformer Transformer Protection Switching Supply Transformer Equipment Voltage Transformer C Type Transformer Types Of Transformer Power Electric Transformer

Browse by Categories

Home > Electrical & Electronics > Power Supply & Distribution > Switching Power Supply
1/834
TOP

Search Filter

Categories

More Less
  • Switching Power Supply
  • Transformer
  • Power Adapter
  • LED Power Supply
  • Voltage Regulator
  • Inductor
  • Variable-Frequency Drive
  • Instrument Transformer
  • Power Distribution Cabinet & Box
  • Current Sensor

Application

More Less
  • Power
  • Electronic
  • Lighting
  • Instrument
  • Audio
  • Rectifier

Certification

More Less
  • ISO9001
  • ISO9001-2000
  • CCC
  • UL

Core

More Less
  • Core-type Transformer
  • Shell-type Transformer
  • Amorphous Alloy Transformer

Phase

More Less
  • Three
  • Single

Usage

More Less
  • Power Transformer
  • Distribution Transformer
  • Combined Transformer
  • Single-phase Transformer
  • Rectifier Transformer

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Zhejiang
  • Shandong
  • Jiangsu
  • Anhui
  • Hubei
  • Shanghai
  • Henan
  • Shaanxi
  • Hebei
  • Jiangxi
  • Hunan
  • Beijing
  • Fujian
  • Tianjin
  • Chongqing
  • Sichuan
  • Liaoning
  • Shanxi
  • Guangxi
  • Hongkong S.A.R.
  • Gansu
  • Taiwan, China
  • Jilin
  • Heilongjiang
  • Yunnan
  • Guizhou

Product Types

More Less
  • SecuredTrading
  • Buy Sample
Reset Done