IRF-46
Vishay Dale
Inductors, Epoxy Conformal Coated, Axial Leaded
FEATURES
• Axial lead type, small lightweight design
• Special magnetic core structure contributes to
high Q and self-resonant frequencies
• Treated with epoxy resin coating for humidity
resistance to ensure long life
• Heat resistant adhesives and special structural design for
effective open circuit measurement
ELECTRICAL SPECIFICATIONS
Inductance Range:
1000 μH to 39 000 μH
Inductance Tolerance:
± 10 % standard, ± 5 % optional
Operating Temperature Range:
- 20 °C to + 105 °C
Dielectric Strength:
250 V
RMS
• Compliant to RoHS Directive 2002/95/EC
• Halogen-free according to IEC 61249-2-21 definition
DIMENSIONS
in inches [millimeters]
C (Max.)
D
(Max.)
A (Max.)
MECHANICAL SPECIFICATIONS
Terminal Strength:
Pull = 5 pounds, twist = 360 °C x 3
Protection:
Epoxy uniform roll coated
Leads:
Tinned copper
B
(Max.)
0.98 [25.0]
Min.
1.22 [31.0]
Max.
ENVIRONMENTAL SPECIFICATIONS
Maximum Temperature Rise:
+ 20 °C
MODEL
IRF-46
A (MAX.)
0.236
[6.0]
B (MAX.)
0.197
[5.0]
C (MAX.)
0.551
[14.0]
D (MAX.)
0.026
[0.65]
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IRF-46
IND.
(μH)
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10 000
12 000
15 000
18 000
22 000
27 000
30 000
33 000
39 000
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
Q
MIN.
80
80
80
80
80
80
80
80
80
60
60
60
60
50
50
40
40
40
40
40
40
TEST FREQUENCY
(MHz)
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.0796
0.0796
0.0796
0.0796
0.0796
0.0796
SRF MIN.
(MHz)
8
9
10
11
14
18
22
26
30
34
48
62
74
88
102
150
180
210
240
250
270
DCR MAX.
()
1.7
1.5
1.4
1.3
1.2
1.0
0.9
0.8
0.7
0.7
0.5
0.5
0.5
0.4
0.4
0.3
0.3
0.3
0.3
0.2
0.2
RATED DC CURRENT
(mA)
200
180
160
150
120
110
105
100
95
80
75
70
65
60
55
50
45
40
35
30
25
www.vishay.com
1
Document Number: 34058
Revision: 24-Feb-11
For technical questions, contact:
magnetics@vishay.com
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
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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 and agree
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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
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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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