Ferrite Core Transformer for DC-DC Converters
Negotiable Min Order Quantity Unit
- Required Quantity
-
- Place of Origin
- China
- Brand name
- Grewin
- Payment Terms
- D/A,D/P,L/C,MoneyGram,T/T,Western Union
- Production method
- Negotiable
- Shipping / Lead Time
- Negotiable / Negotiable
- Category
- Passive Components
TianJin Grewin Technology Co.,Ltd
China
- Verified Certificate
-
7
| Product name | Ferrite Core Transformer for DC-DC Converters | Certification | - |
|---|---|---|---|
| Category | Passive Components | Ingredients | - |
| Keyword | dc-dc converter , ferrite core , transformer , high frequency transformer | Unit Size | - |
| Brand name | Grewin | Unit Weigh | - |
| origin | China | Stock | - |
| Supply type | - | HS code | - |
Product Information
Name:
Ee High Frequency Transformer for PCB Circuits
EE type Transformer Parameters
Brand Name; | GREWIN Transformer | Core structure; | lamination | Coil number; | Autotransformer |
| Place of Origin; | China | Coil Material; | ferrite | Coil structure; | toroidal |
| Usage; | High Frequency | Model : | EE | Phase; | single |
| Application; | High-frequency switching power supply and High-frequency inverter power transformer. PBX | ||||
| Deliver time; | Within 10 working days | Package; | Customized standard cartons | ||
| ATTENTION; | YOU CAN CUSTOMIZED ALL SERIERS ACCORDING TO YOUR REQUERMENT | ||||
Type | Core "E" Dimension | |||||
| A(mm) | B(mm) | C(mm) | D(mm) | E(mm) | F(mm) | |
| EE13 | 12.6 | 6.5 | 4.5 | 3.7 | 8.9 | 3.7 |
| EE14 | 14.3 | 7.8 | 5.2 | 4.3 | 10.5 | 4.5 |
| EE16 | 16.0 | 8.2 | 5.7 | 4.7 | 11.3 | 4.7 |
| EE20 | 20.4 | 10.1 | 7.0 | 5.9 | 14.1 | 5.9 |
| EE25 | 25.0 | 12.8 | 8.7 | 7.5 | 17.5 | 7.5 |
| EE30 | 30.0 | 15.2 | 9.7 | 7.2 | 19.5 | 7.3 |
| EE32 | 32.0 | 16.4 | 11.2 | 9.5 | 22.7 | 9.5 |
| EE36 | 36.0 | 18.0 | 12.0 | 10.2 | 24.5 | 11.5 |
| EE42 | 42.0 | 21.0 | 14.8 | 17.2 | 29.5 | 15.2 |
| EE55 | 55.0 | 27.8 | 18.5 | 17.2 | 37.5 | 21.0 |
| EE65 | 65.0 | 32.8 | 22.2 | 20.0 | 44.2 | 27.4 |
| EE70 | 70.5 | 33.2 | 21.9 | 22.0 | 48.0 | 32.0 |
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)
4). Can make other customized Ferrite transformers:
Power range: core type using N67 grade material
<5: RM4, P11/7, EF12.6 and U10
5 to 10: E (F) 16, RM5 and P14/8
10 to 20: RM6, E (F) 20, P18, U15 and EFD15
20 to 50: RM8, P22, RM10 ETD29, E25 and EFD20
50 to 100: ETD29, ETD34, RM12, P30 and EFD25
100 to 200: ETD34, ETD39, ETD44, P36, E30, E42 and EFD30
200 to 500: ETD44, ETD49 and E55
>500: ETD54, ETD59 and E65
Other Related High Frequency Transformer Parameters:
Table1: 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 |
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: ER type Transformer Parameters
| ER Transformer Specification | |||||||
| 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 |
Table4: PQ type Transformer Parameters
| COILFORMER DIMENSIONS (mm) | |||||||||||||||
TYPE | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O |
PQ20/16 | 23.15 | 17.35 | 23.15 | 20.3 | 2.5 | 9 | 3.8 | 5.1 | 17.9 | 9.7 | 7.82 | 10.8 | 2.4 | 0.6 | 7.35 |
PQ20/20 | 23.15 | 17.35 | 23.15 | 20.3 | 2.5 | 9 | 3.8 | 5.1 | 22 | 13.85 | 12 | 10.8 | 2.4 | 0.6 | 7.35 |
PQ26/20 | 26.6 | 21.85 | 29.75 | 25.4 | - | 12.3 | 3.8 | 7.6 | 21.5 | 11.05 | 9 | 14.2 | 2.4 | 0.65 | 7.2 |
PQ26/25 | 26.6 | 21.85 | 29.75 | 25.4 | - | 12.3 | 3.8 | 7.6 | 26.05 | 15.65 | 13.55 | 14.2 | 2.4 | 0.65 | 7.2 |
PQ32/20 | 32.15 | 26.7 | 34.3 | 30.5 | - | 13.85 | 5.1 | 7.6 | 22.35 | 11.05 | 8.9 | 15.9 | 2.8 | 0.75 | 7.2 |
PQ32/30 | 32.15 | 26.7 | 34.3 | 30.5 | - | 13.85 | 5.1 | 7.6 | 32.15 | 20.85 | 18.7 | 15.9 | 2.8 | 0.75 | 7.2 |
PQ35/35 | 35.00 | 31.0 | 39.0 | - | - | 15 | - | - | 37.4 | - | 22.4 | 16.9 | - | 1 | 5 |
5)Advantage:
1.UL, CUL, CE,CB, 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: 100% 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 100% 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 |
PLZ Contact us:
Amy Tianjin Grewin Technology Co.,Ltd. Tel: 86-22-84943756 Mobile:8618920139710 |
B2B Trade
| Price (FOB) | Negotiable | transportation | - |
|---|---|---|---|
| MOQ | Negotiable | Leadtime | Negotiable |
| Payment Options | D/A,D/P,L/C,MoneyGram,T/T,Western Union | Shipping time | Negotiable |
- President
- salesmanager
- Address
- 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China.
- Product Category
- Passive Components
- Year Established
- 2011
- No. of Total Employees
- 101-500
- Company introduction
-
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, SGS 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.
- Main Markets
-
U.S.A
- Main Product
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