sch4312 Signal Transformer Inc., sch4312 Datasheet
sch4312
Manufacturer Part Number
sch4312
Description
Smd Power Inductors
Manufacturer
Signal Transformer Inc.
Datasheet
1.SCH4312.pdf
(1 pages)
Custom versions available upon request.
SCH4312
www.signaltransformer.com
SMD POWER INDUCTORS
●
1. Open frame construction
2 Excellent Power Density
3 Engineered to Provide High Efficiency
4 Low Profile
ELECTRICAL C HARACTERISTICS
(1). Inductance tolerance±20% tested at 0.25V, 0ADC and 25℃.
(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.
SCH4312-2R2
SCH4312-3R3
SCH4312-4R7
SCH4312-6R8
SCH4312-100
SCH4312-120
SCH4312-150
SCH4312-180
SCH4312-220
SCH4312-270
SCH4312-330
SCH4312-390
SCH4312-470
SCH4312-560
SCH4312-680
SCH4312-820
SCH4312-101
Part Number
Features
Inductance
(uH)
100
2.2
3.3
4.7
6.8
10
12
15
18
22
27
33
39
47
56
68
82
(1)
Frequency
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
Click here for
Test
DC Resistance
(Ω MAX)
104m
145m
200m
270m
403m
456m
570m
690m
930m
1.00
1.32
1.55
1.72
1.95
2.60
2.95
3.36
(2)
QUANTITY PER REEL & PACKING INFORMATION
XXX
Saturation
Current
1.30
1.00
0.84
0.74
0.56
0.53
0.50
0.45
0.37
0.35
0.33
0.28
0.26
0.25
0.23
0.21
0.18
(A)
MARKING
(3)
Temperature
Current
1.38
1.20
1.00
0.88
0.74
0.64
0.62
0.56
0.50
0.45
0.40
0.38
0.34
0.32
0.30
0.28
0.26
(A)
60
(4)
Sales@signaltransformer.com
Toll Free 866-239-5777 • Tel 516-239-5777 • Fax 516-239-7208
©
1000
100
2011 Signal Transformer –Specification subject to change without notice. 07.11
0. 1
10
80
70
60
50
40
1
30
20
10
10
0
200
SCH4312 Inductance decrease by current
BCH4312 I nduct ance decr ease by cur r ent
SCH4312 Temperature rise by current
400
101
BC H 4312 Tem per at ur e r i se by cur r ent
100
600
500 Bayview Avenue, Inwood, NY 11096
220
D C cur r ent ( m A)
DC current (mA)
800
DC current (mA)
DC cur r ent ( m A)
101
•
1000
techhelp@signaltransformer.com
1000
220
1200
2R2
1400
10000
1600
1800
2R 2
100000
2000
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