Toroidal Core Inductance Winding Coil Chokes for PCB Mounting

• Brand: Gw
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Grewin Chokes
• Core: Core-Type Transformer
• Cooling Method: Dry-Type Transformer
• Winding Type: Auto-Transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC, CB
• Usage: Single-Phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Color: Brown
• Size: Costomized
• Material: Copper
• Frequency: 50Hz to 500kHz
• Transport Package: Export Standard
• Specification: customized
• Trademark: GW
• Origin: Tianjin China
• HS Code: 85045000

Product Description

Basic Info

Model NO.: Grewin Chokes
Range of Application: Choke
Packaging Form: Generic
Brand: Grewin
Inductor Value: Fixed Inductor
Type1: Grewin Chokes
Frequency: 50Hz to 500kHz
Application: PCB Circuits, Computer, TV, Monitor, Scanner
Coil Number: Grewin Chokes
Material: Copper
Trademark: Grewin
Transport Package: Export Standard
Specification: Outer diameter: 25 to 35mm Width: 14 to 22mm
Origin: Tianjin
HS Code: 85045000
 

Product Description

We have passed ISO9001:2015,CE,SGS approval and IEC report




We can provide many other inductors.
Frequency: 50Hz to 500kHz
Operating temperature: -40 to +105° C
Separated windings for minimum inter winding capacitance
1 layer windings for highest common mode impedance over widest frequency range
Wound on nylon casing to protect windings
Available in vertical or horizontal mount

Application:
Power line filtering, EMI/RFI for switch mode power supplies.

Toroid core datas	COILFORMER DIMENSIONS (mm)
TYPE	OD	ID	H	MASS (G)
T3.0	3.05	1.27	1.27	0.04
T3.9	3.94	2.24	1.3	0.05
T3.9/2	3.94	2.24	2.0	0.07
T4.0	4.0	2.4	1.6	0.06
T5.8	5.84	3.05	1.52	0.1
T5.8/3	5.84	3.05	3.0	0.3
T6.3	6.3	3.8	2.5	0.2
T9.5	9.53	4.75	3.17	0.8
T10	10.0	6.0	4.0	0.9
T12.5	12.5	7.5	5.0	1.8
T13.3	13.3	8.3	5.0	1.8
T14	14.0	9.0	5.0	2.0
T15	15.0	10.4	5.3	2.4
T16	16.0	9.6	6.3	3.7
T17	17.0	10.7	6.8	4.4
T20/7	20.0	10.0	7.0	7.6
T22	22.1	13.7	6.35	6.8
T23/8	22.6	14.7	7.6	8.1
T23/9	22.6	14.7	9.2	9.8
T25/10	25.3	14.8	10.0	16
T25/12	25.3	14.8	12.0	19
T25/15	25.3	14.8	15.0	24
T25/20	25.3	14.8	20.0	33
T29	29.5	19.0	14.9	27
T30	30.5	20.0	12.5	25
T34/10	34.0	20.5	10.0	27
T34/12.5	34.0	20.5	12.5	33
T36	36.0	23.0	15.0	43
T40	40.0	24.0	16.0	61
T42	41.8	26.2	12.5	48
T50	50.0	30.0	20.0	118
T58	58.3	40.8	17.6	115
T100	102	65.8	15.0	330

We have abtained RoHS, ISO9001, CB certificates. The good quality and low in price with high prestige attracted more customers. If you are interested in our products, please told us what kinds of products you need and more information on it. We can suuply samples according your requirments.

Package:



About us:
Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ".
Grewin Mission: Growing together side by side,Mutual success hand in hand.


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

Contact:                                                       
Bella
 
Tianjin Grewin Technology Co.,Ltd.
Website:transformer.en.made-in-china.com