3VA 220V/12V Encapsulated PCB Welding Safety Isolation Transformer

Price: 3.0 USD
Payment Terms: T/T,WU,Paypal
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Basic Info.
  • Phase: Single 
  • Coil Structure: Toroidal 
  • Coil Number: Autotransformer 
  • Usage: Power 
  • Brand Name: YHDC 
  • Input: 220V 
  • Power: 3VA 
  • Model No.: PE4809-C 
  • Place of Origin: Beijing  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 500/Piece
  • Packing:20*18*7cm
  • Delivery Date: 7days

PE4809C-M 3VA EI silicon steel sheet PCB welding transformer Manufacturer


1.Vacuum encapsulated,100℃ /six hours high temperature aging,service life 20 years ,high dielectric strength.
2.High quality silicon steel sheet, Low temperature rise,High efficiency.
3.PBT project plastic, environmental protection,anti flaming, 120 degrees of deformation
4.Reasonable structure,convenient installation, low noise,strong earthquake,airtight waterproof ,moisture
5.Ambient environment temperature:-30 ℃~+70 ℃
6.Against electric shock:seven times the rated input voltage.

Technical parameters:


Primary work voltage: 220V

Output Voltage:12V

Primary voltage range: ±10%

Power: 3VA

No-load loss: ≤0.8W

Voltage: ≤22.7%

Work frequency: 50/60 Hz

Temperature rise: ≤20℃

Dielectric strength:3.5kV

Fire resistance: UL94-V0

Mounting type: PCB

Insulation grade: B

Weight: 160g

Specification: 1×6V 2×6V 1×7.5V 2×7.5V 1×9V 2×9V 1×12V 2×12V 1×15V 2×15V 1×18V 2×18V 1×24V 2×24V

Primary pins: 1-6 1-6 1-5 1-6 1-6 1-6 1-6 1-6 1-6 1-6 1-6 1-6 1-6 1-6

Secondary pins: 8-11 7-8/11-12 8-11 7-8/11-12 8-11 7-8/11-12 8-11 7-8/11-12 8-11 7-8/11-12 8-11 7-8/11-12 8-11 7-8/11-12

Secondary no-load voltage: 1×7.5V 2×7.5V 1×9.5V 2×9.5V 1×113V 2×11.3V 1×15.1V 2×15.1V 1×18.9V 2×18.9V 1×22.7V 2×22.7V 1×30.3V 2×30.3V

Secondary full-load current: 583mA 2×291.5mA 466mA 2×233mA 388mA 2×194mA 291mA 2×145.5mA 233mA 2×116.5mA 194mA 2×97mA 145mA 2×72.5mA

Company Profile:

DechangElectronicCo.,Ltd. was founded  in 1992. We mainly produce power transformer, currrent transformer, hall effect sensor, trigger transformer and common mode chock. 

Our factory covers over 12,000 square meters, including 4 workshops. We have more than 100 sets automatic wire winding machine. So we can achieve mass production and short time delivery.

Our products have got CE, ROHS, CQC certificate. The quality is guaranteed. At the same time, we promise low price and regular supply.



According to your location, we will provide you with the best shipping cost and shipping method.

Pls contact me to know more about shipping information.

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Ms. Sunguihong
Tel: 86-335-7129734
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Beijing yaohuadechang electronic co.,ltd
No. 1, Zhanqian Road, Shahe Town, Changping District, Beijing, China (Mainland)
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