China Manufacturer for Doorbell Transformer - High Frequency Transformer Ferrite Core EPC25 Switching Power Supply Transformer For Doorbells – Sanhe

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China Manufacturer for Doorbell Transformer - High Frequency Transformer Ferrite Core EPC25 Switching Power Supply Transformer For Doorbells – Sanhe Detail:

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Introduction

EPC25 transformer mainly supplies power to each functional module of the doorbell to realize image and sound transmission, data storage, sending control commands and other functions. It can output three sets of voltages at the same time, including power supply and protection. In addition, primary and secondary isolation protection is realized to prevent danger of leakage caused by circuit failures.

Parameters

Voltage & Current Load
Input（Type）	110-220V
Output（Type）	V1	V2	V3
Output（Type）	12V	12V	10V
Electrical Characteristics
NO.	ITEMS	TEST PIN	SPECIFICATION	TEST CONDITIONS
1	Inductance	8-9	1.3mH±10%	100KHz 1Vrms
2	Leakage	8-9	26uH Max	100KHz 1Vrms Pin 2,3,4,5,6,7,10,11 short
3	DCR	2-3	90mΩ Max	At 25℃
		4-5	80mΩ Max
		6-7	290mΩ Max
		8-9	2.5mΩ Max
		10-11	82mΩ Max
4	HI-POT	P-S	No short break	AC1.8KV/1mA/2s
4	HI-POT	P,s-Core	No short break	AC1.2KV/1mA/2s
5	Insulation resistance	P-S	No short break	AC1.5KV/1mA/60s
5	Insulation resistance	P,s-Core	No short break	AC1.0KV/1mA/60s

Dimensions:（Unit: mm）& Diagram

Features

1. SMD chip structure
2. Adopt internal shield winding to improve the anti-electromagnetic interference ability
3. Magnetic core with additional protective tape extends safety distance
4. There are strict size requirements for smoothness of the SMD pins
5. Blister packaging

Advantages

1. EPC25 SMD structure makes it possible to be installed by mounting technology which has high efficiency
2. Sufficient protecion of insulation and isolation for use safety
3. Designed with shielded winding, good EMC anti-interference ability
4. It can provide multiple stable output voltages at the same time, and the voltage fluctuation is small

Certificates

详情_6证书

Our Customers

Low Frequency Transformer (5)

Company Profile

Low Frequency Transformer (2)

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We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we've acquired rich practical working experience in producing and managing for China Manufacturer for Doorbell Transformer - High Frequency Transformer Ferrite Core EPC25 Switching Power Supply Transformer For Doorbells – Sanhe, The product will supply to all over the world, such as: Sao Paulo, South Korea, Washington, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.

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The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.

By Modesty from Brisbane - 2018.12.10 19:03

This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.

By Debby from Hamburg - 2017.03.28 12:22