sch74-120 Signal Transformer Inc., sch74-120 Datasheet

sch74-120

Manufacturer Part Number

sch74-120

Description

Smd Power Inductors

Manufacturer

Signal Transformer Inc.

Datasheet

1.SCH74-120.pdf (1 pages)

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Download datasheet (227Kb)

Custom versions available upon request.

SCH74

www.signaltransformer.com

SMD POWER INDUCTORS

●

1. Open frame construction

2 Excellent Power Density

3 Engineered to Provide High Efficiency

ELECTRICAL CHARACTERISTICS

(1).

(2). DCR measured at 25℃.

(3). The DC current at which the inductance decreases by 10% from its initial value.

(4). The DC current that results in a 40℃ temperature rise from 25℃ ambient.

SCH74-100

SCH74-120

SCH74-150

SCH74-180

SCH74-220

SCH74-270

SCH74-330

SCH74-390

SCH74-470

SCH74-560

SCH74-680

SCH74-820

SCH74-101

SCH74-121

SCH74-151

SCH74-181

SCH74-221

SCH74-271

SCH74-331

SCH74-391

SCH74-471

Part Number

Features

Inductance tolerance for 10uH~22uH: ±15%, for 27uH~470uH: ±10%. Tested at 0.25V, 0ADC and 25℃

Inductance

(uH)

100

120

150

180

220

270

330

390

470

(1)

Frequency

1KHZ

Click here for

Test

DC Resistance

(Ω MAX)

56m

65m

83m

94m

0.13

0.16

0.17

0.21

0.23

0.26

0.35

0.48

0.55

0.62

0.72

0.82

1.08

1.38

1.55

2.09

2.39

(2)

XXX

QUANTITY PER REEL & PACKING INFORMATION

MARKING

Saturation

Current

2.75

2.45

2.10

1.95

1.70

1.55

1.45

1.30

1.20

1.15

1.00

0.92

0.81

0.73

0.71

0.66

0.55

0.48

0.40

0.38

0.33

(A)

(3)

Temperature

Current

3.20

2.95

2.66

2.40

2.20

2.00

1.80

1.68

1.55

1.43

1.33

1.23

1.00

0.85

0.76

0.66

0.56

0.50

0.47

0.46

0.44

(A)

(4)

Sales@signaltransformer.com

Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208

1000

0. 1

100

2011 Signal Transformer –Specification subject to change without notice. 07.11

BCH74 I nduct ance decr ease by cur r ent

500

SCH74 Inductance decrease by current

SCH74 Temperature rise by current

BC H 74B Tem per at ur e r i se by cur r ent

471

1000 1500

100

500 Bayview Avenue, Inwood, NY 11096

DC current (mA)

DC cur r ent ( m A)

D C cur r ent ( m A)

DC current (mA)

2000

560

•

techhelp@signaltransformer.com

1000

471

2500

560

3000

100

10000

3500

4000

100

100000

4500

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