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Datasheet> All Categories > Passive components> inductor> DHCB1740B-R31
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DHCB1740B-R31

Description
General Purpose Inductor, 0.31uH, 20%, 2 Element, SMD, ROHS COMPLIANT
CategoryPassive components    inductor   
File Size96KB，1 Pages
ManufacturerDelta Electronics
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DHCB1740B-R31 Overview

General Purpose Inductor, 0.31uH, 20%, 2 Element, SMD, ROHS COMPLIANT

DHCB1740B-R31 Parametric

Parameter NameAttribute value
MakerDelta Electronics
package instructionROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
DC Resistance0.00038 Ω
Nominal inductance(L)0.31 µH
Inductor ApplicationsPOWER INDUCTOR
Inductor typeGENERAL PURPOSE INDUCTOR
Manufacturer's serial numberDHCB
Number of functions2
Number of terminals4
Shape/Size DescriptionRECTANGULAR PACKAGE
shieldYES
special characteristicsDCR IS MEASURED AT 10% TOLERANCE
surface mountYES
Terminal locationDUAL IN-LINE
Terminal shapeWRAPAROUND
Test frequency0.1 MHz
Tolerance20%

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Download Datasheet
SMT Couple Inductor
DHCB Type
Features
RoHS compliant.
Low profile, SMD type.
High current.
Magnetic shielded.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Ideal for power source circuits, DC-DC converter, DC-AC inverters
inductor applications.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.
RECOMMENDED PAD PA
TTERNS
B
4
3
C
F
J
A
E
G
1
2
H
I
Mechanical Dimension :
SERIES
DHCB0620B
DHCB0630B
DHCB1040B
DHCB1350B
DHCB1375B
DHCB1440B
DHCB1490B
DHCB1740B
DHCB1970B
7.0
7.0
10.5
13.0
D
K
UNIT : mm
A
0.5
0.5
1.0
0.5
0.5
1.0
1.0
1.0
6.0
6.0
10.0
13.0
10.0
17.4
16.0
10.0
13.5
B
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
C (MAX) D 0.5
2.0
3.0
4.0
5.0
7.8
4.0
8.0
9.0
4.0
7.0
2.5
2.5
4.1
5.3
4.1
4.1
6.3
6.1
4.2
5.3
E 1.0
4.0
4.0
6.0
9.3
8.0
8.0
8.0
9.5
13.0
13.5
F 0.2
1.5
1.5
2.0
3.0
2.0
2.0
4.3
2.0
2.4
2.2
G 0.5
1.5
1.5
2.5
1.5
2.5
2.5
2.5
2.5
2.0
3.0
H
3.0
3.0
5.0
8.8
7.5
8.4
7.5
9.0
11.4
12.5
I
8.00
8.00
12.00
13.20
14.00
14.60
14.00
15.50
19.05
20.70
J
2.5
2.5
4.1
5.3
4.1
4.1
6.3
6.1
4.2
5.3
K
2.0
2.0
2.5
3.8
2.5
2.5
4.8
2.5
3.6
2.7
12.7 MAX.
14.0 MAX.
14.5
17.0
19.7
12.05 MAX.
DHCB1480BW 13.0
Electrical Characteristics :
PART NO.
DHCB0620B-800
DHCB0620B-101
DHCB0620B-141
DHCB0630B-151
DHCB1040B-R15
DHCB1040B-R30
DHCB1350B-R20H
DHCB1375B-0R3
DHCB1440B-0R3
DHCB1440B-R36
DHCB1480BW-0R3
DHCB1490B-R42
DHCB1740B-R31
DHCB1970B-R42
At 25
o
C: 100KHz, 1V
L
1
(nH)
80
100
140
150
150
300
200
300
300
360
300
420
310
420
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
L @ Isat1
(nH)
64
80
112
120
20%
20%
20%
20%
2*Lk
2
(nH)
45
55
80
85
150
180
120
200
180
200
200
280
168
280
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
20%
2*Lk @ Isat2
(nH)
32 MIN.
40 MIN.
56 MIN.
80 MIN.
/
144 MIN.
96 MIN.
/
144 MIN.
160 MIN.
/
/
168
/
20%
DCR
(m )
0.53
0.53
0.53
0.53
0.30
0.30
0.245
0.43
0.49
0.49
0.18
0.53
0.38
0.45
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
Isat1
3
(Adc)
15
12
8
15
38
21
24
55
26
20
50
55
21
55
Isat2
4
(Adc)
50
40
30
30
/
40
50
/
60
55
/
/
35
/
120 MIN.
224
20%
160 MIN.
240 MIN.
240 MIN.
300 MIN.
240 MIN.
336
300
20%
20%
336 MIN.
1.
2.
3.
4.
5.
L is the inductance of each phase (1-4 @ 2,3 open or 2-3 @ 1,4 open) @100KHz, 1V, 25
O
C
.
2*Lk is two times of leakage inductance (1-2 @ 4,3 short)
Isat1 is the DC current which cause the L drop to L @ lsat1.(The unbalance current of both phase should smaller than Isat1.)
Isat2 is the DC current which cause the 2*Lk drop to 2*Lk @ lsat2.
Operating temperature : -40
O
C
to 125
O
C
( including self-temperature rise ).
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
155

DHCB1740B-R31 Related Products

DHCB1740B-R31 DHCB1490B-R42 DHCB1440B-0R3 DHCB1480BW-0R3 DHCB1350B-R20H DHCB1040B-R30 DHCB1040B-R15 DHCB1375B-0R3 DHCB1970B-R42 DHCB1440B-R36
Description General Purpose Inductor, 0.31uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.42uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.3uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.3uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.2uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.3uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.15uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.3uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.42uH, 20%, 2 Element, SMD, ROHS COMPLIANT General Purpose Inductor, 0.36uH, 20%, 2 Element, SMD, ROHS COMPLIANT
Reach Compliance Code compliant compliant unknown unknown compliant unknown compliant compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
DC Resistance 0.00038 Ω 0.00053 Ω 0.00049 Ω 0.00018 Ω 0.000245 Ω 0.0003 Ω 0.0003 Ω 0.00043 Ω 0.00045 Ω 0.00049 Ω
Nominal inductance(L) 0.31 µH 0.42 µH 0.3 µH 0.3 µH 0.2 µH 0.3 µH 0.15 µH 0.3 µH 0.42 µH 0.36 µH
Inductor Applications POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR POWER INDUCTOR
Inductor type GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR GENERAL PURPOSE INDUCTOR
Number of functions 2 2 2 2 2 2 2 2 2 2
Number of terminals 4 4 4 4 4 4 4 4 4 4
Shape/Size Description RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE RECTANGULAR PACKAGE
shield YES YES YES YES YES YES YES YES YES YES
special characteristics DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE DCR IS MEASURED AT 10% TOLERANCE
surface mount YES YES YES YES YES YES YES YES YES YES
Terminal location DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE DUAL IN-LINE
Terminal shape WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND WRAPAROUND
Test frequency 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz 0.1 MHz
Tolerance 20% 20% 20% 20% 20% 20% 20% 20% 20% 20%
Maker Delta Electronics Delta Electronics - - - - Delta Electronics Delta Electronics Delta Electronics Delta Electronics
package instruction ROHS COMPLIANT ROHS COMPLIANT - - - - ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT ROHS COMPLIANT
Manufacturer's serial number DHCB DHCB DHCB DHCB - DHCB DHCB DHCB DHCB DHCB

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