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
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
• Heat resistant adhesives and special structural design for
effective open circuit measurement
• Compliant to RoHS directive 2002/95/EC
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.
(Ω)
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
Document Number: 34058
Revision: 10-Aug-06
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
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Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
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