IRF-24
Vishay Dale
Inductors, Epoxy Conformal Coated, Axial Leaded
FEATURES
• High performance ferrite core is used in this
epoxy conformally coated choke which allows
for inductance values to 1000 μH
• Axial lead type, small lightweight design
• Special magnetic core structure contributes to
high Q and self-resonant frequencies
ELECTRICAL SPECIFICATIONS
Inductance Range:
0.1 μH to 1000 μH
Inductance Tolerance:
± 10 % from 0.1 μH to 1000 μH
standard, ± 5 % optional
Operating Temperature Range:
- 20 °C to + 105 °C
Dielectric Strength:
250 V
RMS
• Treated with epoxy resin coating for humidity resistance
to ensure long life
• Heat resistant adhesives
• Compliant to RoHS Directive 2002/95/EC
• Halogen-free according to IEC 61249-2-21 definition
DIMENSIONS
in inches [millimeters]
C (Max.)
B
(Max.)
MECHANICAL SPECIFICATIONS
Terminal Strength:
Pull = 5 pounds, twist = 360 °C x 3
Protection:
Epoxy uniform roll coated
Leads:
Tinned copper
D
(Max.)
A (Max.)
ENVIRONMENTAL SPECIFICATIONS
Maximum Temperature Rise:
+ 20 °C
MODEL
IRF-24
A (MAX.)
0.157
[4.0]
0.118
[3.0]
0.98 [25.0]
Min.
1.22 [31.0]
Max.
B (MAX.)
C (MAX.)
0.394
[10.0]
D (MAX.)
0.020
[0.5]
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IRF-24
IND.
(μH)
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
TOL.
(%)
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
± 5, ± 10
Q
MIN.
30
30
30
30
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
TEST FREQUENCY
(MHz)
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
SRF MIN.
(MHz)
280
280
280
280
280
260
260
220
200
180
160
140
135
135
130
125
80
80
70
65
45
40
30
28
DCR MAX.
()
0.085
0.085
0.095
0.12
0.15
0.15
0.15
0.17
0.17
0.17
0.18
0.18
0.18
0.18
0.20
0.23
0.25
0.28
0.30
0.32
0.35
0.40
0.45
0.56
RATED DC CURRENT
(mA)
1400
1350
1270
1200
1150
1110
1110
1000
1000
950
900
900
815
740
700
655
630
595
575
555
530
500
470
425
www.vishay.com
1
Document Number: 34056
Revision: 24-Feb-11
For technical questions, contact:
magnetics@vishay.com
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www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
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product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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