Professional Ei Silicon Lamination Steel Linear Audio Transformer

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, UPS
• Phase: Single
• Model NO.: EI14, EI28, EI35, EI48
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, ISO9001, CCC
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EI
• Brand: Okerda
• Input Voltage: 220V/110V
• Frequency: 50/60Hz
• Output Voltage: 9V 12V 15V 24V 30V
• Power: 2.5W~6.5W
• Transport Package: Carton on Pallet
• Specification: EI14, EI28, EI35, EI48
• Trademark: OEM
• Origin: China
• HS Code: 8504319000
• Production Capacity: 500000PCS/Month

Product Description

EI Silicon Lamination Steel Linear Professional Audio Transformer

Parameters:

• 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

Model Number	Power (VA)	Adjusting Rate(%)	Efficiency(%)	Exterior and Installing Dimension(mm)					Weight(kg)
				A	B	C	D	E
EI 28×12	0.5	30	71	30	31	27	40	-	0.068
EI 35×15	1.5	25	75	37	35	32	44	-	0.110
EI 41×16	3	20	78	43	42	35	54	-	0.165
EI 41×20	4	20	78	43	38	36	55	-	0.476
EI 48×24	8	18	80	50	42	42	60	-	0.588
EI 48×30	20	17.1	80.5	50	52	42	60	-	0.68
EI 57×24	22	17	80.8	59	47	50	72	-	0.69
EI 57×30	25	16.8	81.2	59	52	50	72	-	0.72
EI 57×37	35	16	82	59	62	50	72	-	0.887
EI 66×28	25	15.8	83	68	53	60	55	-	0.987
EI 66×36	37	15.8	84	68	65	60	55	-	1.586
EI 66×45	50	13	85.1	68	75	60	55	-	1.35
EI 76×33	60	12.9	85.5	78	56	68	65	-	1.3
EI 76×45	80	11.1	86	78	78	68	65	-	1.768
EI 76×65	140	11	86	78	94	68	65	-	1.976
EI 86×36	65	10	86.5	86	65	75	73	58	2.47
EI 86×45	100	10	86.9	86	81	75	73	67	2.47
EI 86×53	125	10	87	86	80	75	73	75	2.91
EI 96×38	95	9	87.5	96	73	85	78	58	2.712
EI 96×45	130	9.2	87.2	96	82	85	78	65	3.22
EI 96×50	150	9.2	87	96	86	85	78	70	3.569
EI 105×50	200	8.5	90	105	80	93	88	76	3.7
EI 105×76	250	8.5	90	105	90	93	88	76	5.2
EI 114×70	300	5.0	82.3	114	115	100	95	90	5.8
EI 114×90	350	4.7	82.4	114	125	100	95	110	7.52
EI 133×70	400	4.5	82.9	133	120	111	111	99	8.71
EI 133×85	450	4.5	93.1	133	114	111	111	114	9.01
EI 152×73	500	4.0	93.5	152	126	128	109	109	10.4
EI 190×85	2000	3.5	96	190	135	154	112	112	20

Features: 

1. Machine-inserted silicon steel sheet with fire retardation

2. Flame Retardant Nylon Bobbin 

3. EI type transformer lines, 4 sets of vacuum annealing furnaces.

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. 


Related products

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

Welcome OEM Transformers.
 

FAQ

Q1. Are you manufacturer in China?
  Yes, we have 20+ years experience in supplying transformers and inductors.

Q2. What is your MOQ?
  Usually our MOQ is 1000pcs.

Q3. Can I place a sample order?
  Yes, please kindly contact us for more details.

Q4. What's the delivery time for samples?
  Usually 3 - 6 working days.

Q5. What's the lead time for mass production?
  Normally 15-30 working days, based on your order quantity.

Q6. What's the payment term?
  We accept T/T, L/C, Western Union and Paypal etc.

Q7. Can you make customized products?
  Yes, of course. We will do as per customer's design.

Q8. Is OEM accepted?
  Yes, welcome OEM project. 

Q9. Is it ok to print my logo on the label? 
  No problem, we can make it as your designated.  

Q10. Can your factory print our brand on the product?
  Yes, we can add customer's logo/brand on the product with the authorization from customers.