High Efficiency Ei Electric Transformer Low Frequency Power Transformer

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Model NO.: EI-41
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EI
• Brand: Okd
• Type: Encapsulated Transformer
• Frequency: 50/60Hz
• Weight: 0.06kg~0.134kg
• Transport Package: Carton and Pallet
• Specification: EI41
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 500000PCS/Month

Product Description

High efficiency EI electric transformer low frequency power transformer

Basic Data: 

• Input voltage: 100/120/220/230/240V (+/- 10%)
• Output power: 0.5VA - 2000VA
• Frequency: 50/60Hz
• Complies with: UL/CSA/European/CQC standards
• Audio equipment, small/medium/large home electric appliances
• Insulation grade: Class A, Class B, Class F
• various types are avaiable

Features: 
1) High efficiency, good silicon sheet & copper wire 
2) Low heat generation
3) 3 frames or full isolation bobbin
4) The cores are lapped by silicon steel sheet and treated by insulation 
5) Clean appearance and convenient installation
6) Reasonable and favorable price.

Application: 
This single-phase transformer is widely applied to the little power of DVD, hi-fi stereo, TV, small adaptor, beauty equipment, instruments and Apparatuses equipment, stage light, lighting control circuit, air-conditioning equipment control circuit, medical equipment, monitoring equipment, automation equipment control circuit, machinery and equipment, energy-efficient equipment, etc.  

 

Normal EI Pin Transformer Specifications
(More Specifications Available)
No.	Type	Overall	Pins	Pins Distance (mm)	Row Distance (mm)	Volume
		a×b×c (mm)	(PCS)	(E)	(F)	(VA)
1	28X10.5	29X26X26	4	3X5.0	20	0.6
			4	3X5.0
2	28X11	29X26X26	3	2×7.0	20	0.6
			4	3×5.0
3	28×11.5	29×26×24.5	3	2×5.9	21.9	0.6
			3	2×5.9
4	28×12	29×26×23.5	5	4×4.9	20	1
			5	4×4.9
5	28×15	29X26X26.5	5	4×4.9	20	1.5
			5	4×4.9
6	28×18	29×26×32.5	5	4×4.9	20	2.5
			5	4×4.9
7	35×9	36×31×24.5	3	2×7.5	22.1	1
			4	3×5.0
8	35×12	36X31X31	3	2×7.5	22.1	1.5
			4	3×5.0
9	35×13.5	36×31×32	4	3×6.3	29.9	1.5
			4	3×6.3
10	35×14.5	36×31×35	4	3×6.0	21.1	2
			5	4×4.5
11	35×15	36X31X31	5	4×5.6	21.7	3
			5	4×5.6
12	35×18	36×31×35	5	4×4.7	22.5	4
			5	4×4.7
13	35×20	36×31×37	5	4×5.6	21.7	4
			5	4×5.6
14	41×10	42×34×25	3	2×9.1	23.7	1
			3	2×9.1
15	41×13	42×34×30	6	5×6.35	25	4
			6	5.08+4×6.35
16	41×17	42×34×41	5	4×5.0	22.4	4.5
			5	4×5.0
17	41×18	42X34X34	7	6×5.0	22.5	6
			7	6×5.0
18	41×22	42×34×40	4	3×7.5	22.5	6.5
			5	4×5.6
19	41×23	42×34×45	3	2×7.7	23	6
			5	4×7.7
20	48×8	49×41×24.5	5	4×7.4	32.3	3
			5	4×7.4
21	48×13.5	49×41×29	5	4×5.2	28.1	6
			4	3×6.8
22	48×16	49×41×35	5	4×7.4	29.7	6
			5	4×7.4
23	48×18.5	49×41×39	5	4×7.55	28.3	8
			7	6×5.0
24	48×20	49×41×39	5	4×7.5	29.4	6
			5	4×7.5
25	48×22	49×41×40	5	4×7.5	29.7	8
			5	4×7.5
26	48×24	49×41×42	5	4×7.5	29.5	8.5
			5	4×7.5
27	54×18.5	55×46×42	7	6×4.9	30.7	10
			7	6×4.9
28	54×20	55×46×37	7	6×5.0	30.5	12
			7	6×5.0
29	57×30	58×49×51	7	6×5.0	32	25
			7	6×5.0
Remarks	X refers to volume
	The above volume is the out-put power of single winding only, two or more windings will reduce out-put power

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

Operating environment:
1) Temperature: The ambient temperature can not over +40°C.
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

Our Advantages:
1. 20 years experience in transformer and inductor manufacturing;
2. Scientific management system, strong technical team, and strict quality control system;
3. RoHS,CE,TUV and UL certified;
4. OEM & ODM;
5. Competitive price,in time delivery and perfect after-service online.