Guangzhou Yongxiang (Yongheng )Electrical Appliance Factory

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The Importance of Proper Maintenance for Single Phase Transformers

Understanding Single Phase Transformers in the Electrical Industry

Exploring the Common Applications and Uses of Single Phase Transformers

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PCB transformer

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1000

PCB transformer

1. This transformer is widly applied to kinds of PCB power.
2. The above-mentioned products is frequently-used, we can also manufacture the products by customer design.
3. The above-mentioned specification is for reference, If has the change further , please take the material object as the standard.

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PCB transformer

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Product description

Parameters

EI pin type transformer
Transfer AC voltage of 100V, 110V, 120V, 200V, 220V, 230V, 240V to lower AC voltage. The input could be provided with single, double or triple voltage winding. Output can be provided from single to several winding. The size of our pin type transformer from EI-28 to EI-66, capacity from 1VA to 40VA,widely suitable for all kinds of PCB board.

Basic Data:
Capacity: 1VA-40VA
Input: AC Power with Voltages of Various Countries （100-240VAC）
Output: AC Current, Voltage, According to Customers Requirements
Frequency: 50-60Hz
Insulating Strength:Pri-Sec> 50Mohm 500VDC
Heat Resistant: 105℃ 115℃ 135℃ ,can mount thermal fuse
Antivoltage Degree: AC1.5KV-4.0KV IS 2mA
Operating Temperature:0℃-+40℃
Deposit Temperature：-20℃-+85℃

Appliance of pin type transformer
This pin type transformers are widely applied to kinds of PCB power, microwave oven ,DVD , electromagnetic Oven ,washing machine, multimedia audio equipment and other electrical appliances.

Features of pin type transformer
Our Pin type transformers are designed and made of low power consumption high-quality silicon steel sheet. They have advantages of low no-load loss, high efficiency, low temperature rise, etc. They can have different mounting types.

Operating environment
1)Temp.:The ambient temperature can not over +40℃。
2)Altitude: Mounting location can not exceed the altitude of 2000m
3)Relative humidity: Maximum 90%
4)The site not attack by rain and snow
5)The medium which no explosion danger, no corroding metal, no electrical breakdown

Testing Items:
No-load Test(No-load Current, No-load Voltage, No-load Loss)
Load Test (Load Voltage, Temperature-rise)
Inductive Voltage Test
DC Resistance Test
Safety Test

Certificate
The certificate of our transformer has CE CQC RoHs UL

Note:
The above-mentioned single phase isolation and auto transformer are frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.

型号 Model	针数比 Needles ratio	规格 Spec	功率(VA) Power(VA)	外形尺寸(mm) Out size (mm)			针距尺寸(mm) Niddle pitch (mm)
型号 Model	针数比 Needles ratio	规格 Spec	功率(VA) Power(VA)	A	B	C	D	E	F
EI28	2:3	28*12	1	28.3	25.5	25.5	15	7.5	19.1
	2:3	28*15	1.5	28.3	25.5	28.4	10	7.3	19.1
EI35	3:3	35*13.5	2	35.3	29.8	29.4	9.7	9.7	22
	5:5	35*15.5	2.5	35.3	29.8	29.4	9.7	9.7	22
	2:3	35*18	3	35.3	29.8	30.8	5	5	22
EI41	5:5	41*12.5	3	41.3	33.5	24.8	5	5	22.8
	3:3	41*16.5	4	41.3	33.5	34.5	10	10	27.9
	4:6	41*20.5	5	41.3	33.5	40.8	7.5	5	22.8
EI48	5:5	48*20	8	48.5	40.5	40.8	7.3	7.3	27.5
	5:8	48*25	10	48.5	40.5	49.6	7.5	5	--
	5:8	48*32	12	48.5	40.5	56.9	--	5	--
EI57	6:10	57*30	20	57.5	48	56.1	7.5	5.5	--
	7:10	57*35	25	57.5	48	63	--	5	--
EI66	8:8	66*35	40	66.5	55.5	58	4.8	4.8	36.5