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
IRF-24
Vishay Dale
Inductors, Epoxy Conformal Coated, Axial
Leaded
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
IRF-24
IND.
(μH)
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
TOL.
(%)
± 5, ± 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
± 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.
40
40
40
40
40
40
40
40
50
50
50
50
50
60
60
60
60
60
60
60
60
60
60
60
50
TEST FREQUENCY
(MHz)
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
SRF MIN.
(MHz)
22
20
16
15
13
11
10
9.5
8.5
7.5
6.5
6.0
5.5
5.4
4.75
4.35
4.0
3.7
3.4
2.8
2.56
2.35
2.0
1.60
1.15
DCR MAX.
()
0.72
0.80
0.88
1.0
1.2
1.35
1.50
1.70
2.30
2.60
2.90
3.20
3.70
3.80
4.90
5.0
6.50
7.5
9.5
10.5
17.5
18.5
20.0
23.7
30.0
RATED DC CURRENT
(mA)
370
350
335
315
285
270
255
240
205
195
185
175
165
160
150
140
130
120
100
95
90
85
75
65
60
ORDERING INFORMATION
IRF-24
MODEL
6.8 μH
INDUCTANCE VALUE
± 10 %
INDUCTANCE TOLERANCE
ER
PACKAGE CODE
e3
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
I
R
F
MODEL
2
4
E
R
6
R
INDUCTANCE
VALUE
8
K
INDUCTANCE
TOLERANCE
PACKAGE
CODE
www.vishay.com
2
For technical questions, contact:
magnetics@vishay.com
Document Number: 34056
Revision: 24-Feb-11
Legal Disclaimer Notice
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.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
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
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
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.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000