Drum/SMD Core by SAMWHA ELECTRONICS - Komachine Supplier Profile and Product List

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SAMWHA ELECTRONICS

Drum/SMD Core

Model

Series

Ferrite Core

Transaction Process

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Payment

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Delivery

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Shipment

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Origin

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Description

Introduction

Winding on center range of drum types. Both wings are easy to protect noise generated from winding area. Inductance increased by these wings also.

Features

Drum typs are popular for power inductor application. Many other shapes are also available.

Applications

SMD power inductor

Part No.	Type	Dimensions in mm
Part No.	Type	A	B	C	D	E	F
OWA4.55*2.2 C:2.1	OWA-ⓖ	4.55+0/0.15	2.20±0.10	2.10±0.10	0.50±0.10	1.20±0.10	0.50±0.10
OWA5.4*1.0 C:2.8	OWA-ⓖ	5.40+0/0.25	1.00±0.10	2.80±0.10	0.35±0.05	0.30±0.05	0.35±0.05
OWA5.4*2.45 C:2.5	OWA-ⓖ	5.40+0/0.25	2.45±0.10	2.50±0.10	0.50±0.10	1.45±0.10	0.50 ref.
OWA5.8*4.5P C:2.8	OWA-ⓗ	5.80±0.15	4.50±0.15	2.80±0.15	1.00 ref.	2.30±0.10	1.20±0.10
OWA7.8*3.5P C:2.4	OWA-ⓗ	7.80±0.15	3.50±0.10	2.40±0.10	0.80 ref.	1.50±0.10	1.20±0.10
OWA7.8*5.0P C:2.8	OWA-ⓗ	7.80±0.15	5.00±0.15	2.80±0.15	1.00 ref.	2.60±0.10	1.40±0.10
OWA10*5 C:5.0	OWA-ⓖ	9.85±0.10	5.00±0.15	5.00±0.10	0.95±0.10	3.10±0.10	0.95 ref.
OWA10*7 C:5.1	OWA-ⓖ	9.85±0.10	7.00±0.15	5.10±0.10	1.15±0.10	4.70±0.10	1.15 ref.

Part No.	Type	Dimensions in mm
Part No.	Type	A	B	C	D
OWC5.9*1-4.65H	OWC	5.90±0.10	0.90±0.10	4.65±0.10	4.90±0.10
OWC5.9*1.6-4.65H	OWC	5.90±0.10	1.60±0.10	4.65±0.10	4.90±0.10
OWC5.9*1.9-4.65H	OWC	5.90±0.10	1.90±0.10	4.65±0.10	4.90±0.10
OWC6.8*2.4-5.5H	OWC	6.80±0.10	2.40±0.10	5.50±0.10	6.00±0.10

Part No.	Type	Dimensions in mm
Part No.	Type	A	B	C	D	E	F
DSC12*3.0-10.7H	DSC	12.10±0.20	12.10±0.20	3.00±0.15	10.70±0.20	5.50 ref.	0.65 ref.
DSC12*3.5-10.7H	DSC	12.10±0.20	12.10±0.20	3.50±0.15	10.70±0.20	5.50 ref.	0.65 ref.
DSC12*5-10.7H	DSC	12.10±0.20	12.10±0.20	4.90±0.15	10.70±0.20	5.50 ref.	0.65 ref.
DSC12*7-10.7H	DSC	12.10±0.20	12.10±0.20	6.90±0.15	10.70±0.20	5.50 ref.	0.65 ref.

Part No.	Type	Dimensions in mm
Part No.	Type	A	B	C	D	E	F
OWA5.4×6.5-2H	OWA-ⓑ	5.40+0.05 /-0.2	6.50+0.10 /-0.15	2.50±0.10	1.70+0.10 /-0.15	3.10±0.10	1.70 ref.
OWA5.4×7-2H	OWA-ⓑ	5.40+0.05 /-0.2	7.00±0.20	2.50±0.10	1.50±0.15	4.00±0.15	1.50 ref.
OWA5.4×8-2H	OWA-ⓑ	5.40+0.05 /-0.2	8.00+0.20 /-0.10	2.50±0.10	2.00±0.15	4.00±0.20	2.00 ref.
OWA6.5×7.5	OWA-ⓐ	6.50+0.10 /-0.20	7.50±0.20	3.00±0.20	1.75±0.10	4.00±0.20	1.75±0.20
OWA6.5×7.5-2H	OWA-ⓑ	6.50+0.10 /-0.2	7.50±0.20	3.00±0.20	1.75±0.30	4.00±0.20	1.75 ref.
OWA6.5×10	OWA-ⓐ	6.50+0.10 /-0.2	10.00±0.20	3.00±0.15	1.50±0.15	7.00±0.20	1.50 ref.
OWA6×10 C:2.5	OWA-ⓐ	6.10±0.10	10.00±0.20	2.50±0.10	1.60±0.10	6.80±0.10	1.60 ref.
OWA8×8C	OWA-ⓐ	8.00+0.0 /-0.3	8.00±0.25	3.10±0.20	2.00±0.15	4.00±0.20	2.00 ref.
OWA8×10 C:3.2	OWA-ⓐ	8.00+0.05 /-0.3	10.00±0.20	3.20+0.15 /-0.10	2.00±0.15	6.00±0.20	2.00 ref.
OWA8×10-2H	OWA-ⓑ	8.00+0.05 /-0.3	10.00±0.20	3.20±0.10	2.00±0.15	6.00±0.20	2.00 ref.
OWA8×10-4HR C:3.8	OWA-ⓑ	8.00±0.15	10.00±0.20	3.80±0.15	2.00±0.15	6.00±0.20	2.00 ref.
OWA8×11	OWA-ⓐ	8.00+0.0 /-0.3	11.00±0.20	3.50±0.20	2.00±0.15	7.00±0.15	2.00 ref.
OWA8×11-2H C:4.55	OWA-ⓑ	8.00+0.0 /-0.3	11.00±0.20	4.55±0.20	2.00±0.15	7.00±0.15	2.00±0.15
OWA8×12	OWA-ⓐ	8.00+0.0 /-0.3	12.00±0.20	3.40±0.10	2.50±0.15	7.00±0.15	2.50 ref.
OWA8×13-4HR C:3.3	OWA-ⓑ	7.90±0.15	13.00±0.20	3.30±0.12	2.00±0.20	9.00±0.20	2.00±0.20
OWA9×10.5-4HR C:5.0	OWA-ⓑ	9.00±0.15	10.50±0.20	5.00±0.15	1.60±0.15	7.30±0.20	1.60 ref.
OWA10×3.0 C:5.0	OWA-ⓐ	9.85±0.15	3.00±0.10	5.00±0.10	0.75±0.10	1.50±0.10	0.75 ref.
OWA10×10 C:3.1	OWA-ⓐ	10.00±0.25	10.00±0.40	3.10±0.20	2.40±0.20	5.20±0.20	2.40 ref.
OWA10×11 E:5.2	OWA-ⓐ	10.00+0.0 /-0.4	11.00±0.30	3.45±0.10	2.90±0.20	5.20±0.20	2.90 ref.
OWA10×12 C:3.5	OWA-ⓐ	10.00+0.0 /-0.4	12.00+0. /-0.40	3.50±0.15	2.30±0.20	7.40±0.20	2.30 ref.
OWA10×15 C:4.0	OWA-ⓐ	10.00±0.20	15.00+0. /-0.40	4.00±0.15	2.60±0.15	9.80±0.15	2.60±0.15
OWA11×12-4HR C:6.2	OWA-ⓑ	11.00±0.10	12.40±0.20	6.00±0.10	2.20±0.20	8.00±0.20	2.20±0.20
OWA12×11 C:4.0	OWA-ⓔ	12.00+0.0 /-0.3	11.00+0. /-0.30	4.00±0.15	2.40±0.20	6.20±0.20	2.40 ref.
OWA12×15 C:4.5	OWA-ⓐ	12.00+0.0 /-1.0	15.00+0. /-1.0	4.50±0.10	2.50±0.20	10.00±0.20	2.50 ref.
OWA12×15-2H C:4.5	OWA-ⓑ	12.00+0.0 /-1.0	15.00+0. /-1.0	4.50±0.10	2.50±0.20	10.00±0.20	2.50 ref.
OWA12×15-2HR C:5.0	OWA-ⓒ	12.00+0.0 /-1.0	15.00+0. /-1.0	5.00±0.10	2.50±0.20	10.00±0.20	2.50 ref.
OWA12×15-4HR C:4.5	OWA-ⓒ	12.00+0.0 /-1.0	15.00+0. /-1.0	4.50±0.10	2.50±0.20	10.00±0.20	2.50 ref.
OWA12×15DT	OWA-ⓔ	12.00+0.0 /-1.0	15.00+0. /-1.0	7.00±0.10	2.50±0.20	10.00±0.20	2.50 ref.
OWA12.5×18.5-1HR	OWA-ⓑ	12.50±0.20	18.50±0.40	8.50±0.25	2.00 ref.	14.00±0.25	1.50±0.15
OWA13×13 C:6.4	OWA-ⓐ	13.00±0.25	13.00±0.25	6.40±0.10	3.00±0.20	7.00±0.20	3.00±0.20
OWA13×14.5 C:4.7	OWA-ⓐ	13.10±0.10	14.50±0.40	4.70±0.20	2.90±0.20	9.60±0.20	2.00 ref.
OWA13×15 C:5.0	OWA-ⓐ	13.00±0.10	15.00±0.20	5.00±0.10	3.00±0.20	9.00 ref.	3.00±0.20
OWA14×13 C:4.8	OWA-ⓐ	14.00±0.10	13.00±0.20	4.80±0.15	2.95±0.20	7.00±0.20	2.95 ref.
OWA14×13-2H C:5.8	OWA-ⓑ	14.00+0.10 /-0.3	13.00+0.2 /-0.10	5.80+0.1 /-0.15	2.95±0.20	7.00+0.2 /-0.10	2.95 ref.
OWA14×15 C:4.9	OWA-ⓐ	14.00+0.10 /-0.3	15.00+0.3 /-0.20	4.90+0.1 /-0.15	2.50±0.20	10.00±0.30	2.50 ref.
OWA14×15-2H C:4.9	OWA-ⓑ	14.00+0.10 /-0.3	15.00+0.3 /-0.20	4.90+0.05 /-0.10	2.50±0.20	10.00±0.30	2.50 ref.
OWA14×20 C:6.0	OWA-ⓐ	14.00+0.10 /-0.3	20.00±0.30	6.00±0.15	4.00±0.20	12.00±0.20	4.00 ref.
OWA14×20-1HR C:6.0	OWA-ⓕ	14.00±0.20	20.00+0.6 /-0.40	6.00±0.15	3.90±0.20	12.20±0.20	3.90±0.20
OWA14×21.5DT	OWA-ⓔ	14.00±0.15	21.50±0.40	7.50±0.15	2.50±0.40	14.00±0.15	2.50 ref.
OWA15×13 C:4.8	OWA-ⓐ	15.00±0.20	13.00±0.20	4.80±0.10	2.25±0.20	8.50±0.30	2.25 ref.
OWA15×14 C:5.0	OWA-ⓐ	15.00+0.10 /-0.25	14.00±0.15	5.00±0.25	3.50±0.20	7.00±0.20	3.50 ref.
OWA15×15 C:6.0	OWA-ⓐ	15.00±0.15	15.00±0.40	6.00±0.10	3.00±0.20	9.00 ref.	3.00±0.15
OWA15×15-2HR C:5.0	OWA-ⓒ	15.00+0.30 /-0.2	15.00±0.20	5.00+0.15 /-0.10	2.50±0.20	10.00±0.30	2.50 ref.
OWA15×15.5 C:5.0	OWA-ⓐ	15.00+0.30 /-0.2	15.50±0.40	5.00±0.10	2.50±0.20	10.50±0.20	2.50 ref.
OWA15×16.5-1HR C:5.0	OWA-ⓕ	15.00+0.30 /-0.2	16.50±0.40	5.00±0.10	3.00±0.20	10.50±0.20	3.00±0.20
OWA15×18 C:6.0	OWA-ⓐ	15.00±0.20	18.00±0.40	6.00±0.10	3.00±0.20	12.00 ref.	3.00±0.20
OWA15×18-2HR C:6.0	OWA-ⓒ	15.00±0.30	18.00±0.40	6.00±0.20	3.00±0.20	12.00±0.30	3.00 ref.
OWA15×20 C:6.0	OWA-ⓐ	15.00±0.20	20.00±0.20	6.00±0.10	3.00±0.10	14.00±0.15	3.00 ref.
OWA15×20-1HR C:9.1	OWA-ⓑ	15.00±0.25	20.00±0.40	9.10±0.15	2.75±0.20	14.50±0.20	2.75 ref.
OWA15×21 C:7.0	OWA-ⓐ	15.00±0.20	21.00±0.25	7.00±0.10	2.50±0.20	16.00±0.20	2.50±0.20
OWA15×23-2HR	OWA-ⓒ	15.00+0.0 /-0.3	23.00±0.40	8.40±0.20	2.50±0.30	18.00±0.30	2.50 ref.
OWA15×27.5 C:9.5	OWA-ⓐ	15.00+0 /-0.5	27.50±0.40	9.50±0.20	3.75±0.25	20.00±0.30	3.75 ref.
OWA16×21P		16.00±0.2	18.50±0.50	8.10+0.10 /-0.20	2.50 ref.	13.00±0.30	3.00±0.20
OWA20×20 C:8.0	OWA-ⓕ	20.00+0.0 /-0.3	20.00±0.40	8.00±0.20	3.20±0.20	13.60±0.20	3.20 ref.
OWA20×20-2H C:11.0	OWA-ⓑ	20.00+0 /-0.30	20.00±0.40	11.00±0.2	3.00±0.30	14.00±0.30	3.00 ref.

Inquiry

Komachine Inc.

Head Office:

Ace Dongbaek Tower 1-1101, 16-4,

Dongbaekjungang-ro 16beon-gil, Giheung-gu,

Yongin City, Gyeonggido, South Korea 17015

Branch Office:

606, Seoul Stratup Center, 10,

Noryangjin-ro, Dongjak-gu, Seoul, South Korea 06938

CEOCharlie Park

Corporate #535-86-00664