Product Description
Name:
220V 24V Er Type Insulating High Frequency Transformer for Computer


220V 24V Er Type Insulating High Frequency Transformer for Computer
ER type Transformer Parameters

 
220V 24V Er Type Insulating High Frequency Transformer for Computer

 

 

Model 	PIN	Dimension
A	B	C+/-0.5	D+/-0.5	E	F
ER25.5	8	19.5	19.7	12.5	4	5	25.5
ER28	12	30.5	23	17.5	4	5	31
ER28	12	23.1	28.2	25	4	5	29.1
ER28	12	36	27	20	4	5	30
ER28	12	26.3	37.1	30	4	5	30.2
ER33	14	37.5	28	22.5	4	5	36
ER35	14	43.5	28	22.5	4	5	35.5
ER35	16	29.1	40.3	35.4	4	5	40.3
ER39	16	46	31.1	25	4	5	43.1
ER39	16	33	41.5	30.85	4	7.5	42.3
ER40	16	48	31.1	25	4	5	43.1
ER4215	14	45.5	30	25	4	5	42
ER4220	14	44	37.5	36	4	5	42
 

 

1).Features:

 Has a strong anti-interference, distributed capacitance, impedance, attenuation of low transmission, firm

structure,can fine-tune the inductance, etc., are widely used in fax

machines, PBX.

 

2). Applicable frequency range: 20 to 100kHz :

Operating frequency: higher than 200kHz
High magnetic flux and low loss magnetic materials
With low leakage inductance and high efficiency .

 

 3).Applications:

 

PCB circuits, computer, TV, monitor, scanner, duplicator, mobile adapters, printer and other equipments and

instruments.

UL insulation system for Class B (130), F (155), H (180)

 
220V 24V Er Type Insulating High Frequency Transformer for Computer

4). Can make other customized Ferrite transformers:

Power range: core type using N67 grade material
500: ETD54, ETD59 and E65




Other Related High Frequency Transformer Parameters:

Table1: EE type Transformer Parameters


EE type transformer
Part No.	Terminal
  Pins	Dimension mm	Type	Electrical parameter
A	B	C	Inductance	Output power(W)
EE-8.3	6	8.0	8.0	8.3	V	100.0uH	0.2-3.0
EE-10	8	11.5	10.2	10.2	V	80.0uH	0.5-5.0
EE-13	10	12.0	12.5	13.0	V	120.0uH	0.5-8.0
EE-16-1	6	14.8	13.3	16.0	V	90.0uH	1.0-10.0
EEL-16	10	28.5	16.0	21.9	V	600.0uH	2.0-15.0
EE-19-1	8	17.6	16.0	19.0	V	800.0uH	3.0-30.0
EEL19	10	31.5	16.0	21.1	V	1200.0uH	3.0-30.0
EE-25-1	6	20.0	18.2	25.2	V	2000.0uH	3.0-45.0
EEL25	8	35.3	17.5	25.2	V	2800.0uH	3.0-45.0
EE-30	10	21.0	29.2	30.0	H	900.0uH	3.0-50.0
EE-40	14	27.6	30.5	40.0	H	1500.0uH	3.0-55.0
EE-42/15-1	12	33.8	44.0	42.0	H	2000.0uH	3.0-80.0
EE-42/20-1	12	45.0	39.8	42.0	V	1900.0uH	3.0-90.0
EE-55	20	50.0	50.0	55.0	H	3000.0uH	3.0-150.0
EE-65	16	55.2	51.8	65.0	H	4500.0uH	3.0-300.0

Table2:EPC type Transformer Parameters


Model	Dimension (mm)	VA	Weight
A	B	C	f=50KHz	f=100KHz	g
EPC-9.5	10	5.5	10	1.1	2.5	9
EPC-13	14	9	14	5	8	11
EPC-17	19	11	18	14	20	18
EPC-19	20	13	21	18	27	21
EPC-25	27	17	26	36	59	29
EPC-27	29	17	36	52	75	35

Table3: PQ type Transformer Parameters

COILFORMER DIMENSIONS (mm)


Table4: EFD type Transformer Parameters

Model 	Pin	Dimension
A	B	C	D	E
EFD-12	8	6	17	20	3.0 	13.5
EFD-15	10	7.3	18.2	21.35	2.5	15
EFD-15	10	7.5	19.3	22.6	3.0 	16.7
EFD-20	10	9.4	25.3	27.7	3.75	21.7
EFD-20	12	9.7	24	26.8	3	20
EFD-25	10	13.4	29.7	35.4	5	25
EFD-25	10	12.6	29.7	31.5	5	25
EFD-30	12	12.6	31.6	35.5	5	30




5)Advantage:
1.UL, CUL, CE, ISO9001:2008
2.We offer custom-made transformers, OEM and ODM are welcome
3.We deliver the quality you expect at consistently competitive prices
4.Transformer quality lifetime:10 Years.
5.Specialty Sales service:5 -10 Years
6.Transformers Test: ** test before the shipment


About us:

1). Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".


2).Terms of Shipment:
Within 10 working days after received related prepayment or L/C.

3).Payment terms:

(1). T/T ** or 50% deposit by T/T in advance, balance amount to be paid 7 days before

delivery.

(2). By irrevocable L/C at sight, to be issued immediately against confirmed order.

(3). Payment by T/T, if order amount is less than USD 20,000.


4).Flow chart of trading activities:
 

NO	
Step	
Days need

1	
Request for quotation	
1 day

2	
Making quotations	
1 day

3	
Offer and counter offer	
3 days

4	
Sending and receiving samples	
3-10 days

5	
Sample confirmation	
3 days

6	
Placing a firm order	
1 day

7	
Paying and receiving the down payment	
1-4 day

8	
Factory production & Quality inspection	
15-20 days

9	
Paying and receiving the balance	
4 days

10	
Delivery of goods	
1 days

Tianjin Grewin Technology Co., Ltd Have Twenty Years Producing Experience, Located In Tianjin, China, Our Mill Have Professional Design Term, Advanced Technology And Equipment, Especially Pay Great Attention To Its Business Philosophy "Quality And Honesty First".
Grewin Is Specialized In The Design And Manufacture Of Wound Components, Such As Transformer, Current Sensors, Chokes Etc. Which Be Widely Used For Communications, Electronics, Meters, Industrial Control, Medical Equipment And Other Fields. And We Are Also A Provider Of Power Meters And Instruments Locators. 85% Of Our Products Were Exported To America, Europe, And Southeast Asia Etc.
Our Products Have Passed And Obtained ISO9001 Certificate, CE Certificate, *** Approval, And IEC Report.
We Developed Good Cooperative Relationship With Valued Customers Around The Word, We Have First Class Product Quality And One Basket Value-Added After Sales Service Along With The Fast Efficient Solution. Grewin Has Won Its Brand In Word Wide And Customer’S Praise.