MS21426
Vishay Dale
Inductors, Military, MIL-PRF-15305 Qualified, Type LT, Molded,
Shielded, Miniature, Axial Leaded
FEATURES
• Flame retardant coating
• Electromagnetic shield
• Small package for a shielded inductor
• Epoxy molded construction provides superior moisture
protection
• Precision performance,
construction
excellent
reliability,
sturdy
INDUCTANCE RANGE AND MILITARY STANDARD
MILITARY
STANDARD
MS21426
INDUCTANCE
CLASSIFICATION
RANGE (μH)
FROM
1.2
TO
100
GRADE CLASS
1
A
MATERIAL
CORE
SHIELD
ELECTRICAL SPECIFICATIONS
Inductance Tolerance:
± 10 % standard
Insulation Resistance:
1000 MΩ minimum
MIL-STD-202, method 302, test condition B
Dielectric Withstanding Voltage:
MIL-STD-202, method 301 (sea level)
200
V
AC
per
per
Powered Powered
Iron
Iron
Percent Coupling:
3 % maximum per MIL-PRF-15305
ENVIRONMENTAL PERFORMANCE
TEST
Barometric
Pressure
Thermal
Shock
Flammability
Overload
Low Temperature
Storage
Resistance to
Soldering Heat
Resistance to
Solvents
CONDITIONS
C
A-1
-
-
-
A
-
SPECIFICATIONS
MIL-STD-202,
method 105
MIL-STD-202,
method 107
MIL-STD-202,
method 111
MIL-PRF-15305
MIL-PRF-15305
MIL-STD-202,
method 210
MIL-STD-202,
method 215
Operating Temperature Range:
- 55 °C to + 105 °C
MECHANICAL SPECIFICATIONS
Terminal Strength:
3 pounds pull per MIL-STD-202,
method 211, test condition A except 180° rotation for a total
of 540 °C
Weight:
0.30 g maximums
MATERIAL SPECIFICATIONS
Encapsulant:
Epoxy
Standard Terminal:
#24 AWG tinned copper
DIMENSIONS
in inches [millimeters]
TEST EQUIPMENT
• H/P 4342A Q-meter
(1)
• Measurements corporation megacycle meter, model 59
• Wheatstone bridge
1.50 ± 0.120
[38.10 ±
3.05]
0.250 ± 0.010
[6.35 ± 0.254]
0.095 ± 0.010
[2.41 ± 0.254]
0.020 ± 0.0015
[0.0508 ± 0.038]
Note
(1)
Test procedures per MIL-PRF-15305
Document Number: 34188
Revision: 15-Jul-09
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
1
MS21426
Vishay Dale
Inductors, Military, MIL-PRF-15305 Qualified, Type LT, Molded,
Shielded, Miniature, Axial Leaded
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
IND.
(μH)
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
MS21426
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
TOL.
(%)
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
± 10
MILITARY
STANDARD
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
MILITARY
TYPE
LT10K
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
40
41
43
45
48
49
50
53
54
55
55
57
36
38
40
40
40
41
42
44
44
45
45
40
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
130
115
105
95
90
80
75
70
60
55
53
50
35
30
26
24
21
20
19
16
15
13
11
10.5
0.73
0.86
0.95
1.1
1.2
1.3
1.5
2.4
2.9
3.2
3.6
4.0
3.0
3.4
3.8
4.9
5.8
6.5
7.9
9.3
11
12
13
16.8
247
228
217
202
193
185
173
136
124
111
106
122
115
108
96
88
83
75
69
64
61
59
51
IRON CORE
531
ID NUMBER
118
Q
MIN.
TEST FREQ.
L AND Q
(MHz)
SRF MIN.
(MHz)
(1)
DCR MAX.
(Ω)
RATED DC CURRENT
(mA)
(2)
Notes
(1)
Measured with full length lead
(2)
Rated DC Current: Based on the maximum temperature rise not to exceed 15 °C at + 90 °C ambient
DESCRIPTION - MILITARY PART NUMBER
MS21426
MILITARY
STANDARD
-14
INDUCTANCE
VALUE
OR
LT
TYPE
10
GRADE AND CLASS
K
FAMILY
Note
• Listing of military standard does not imply qualification. Contact factory for latest government QPL information
GLOBAL PART NUMBER
M
S
2
1
4
2
6
-
1
INDUCTANCE
VALUE
4
R
U
PRODUCT FAMILY
PACKAGE
CODE
www.vishay.com
2
For technical questions, contact:
magnetics@vishay.com
Document Number: 34188
Revision: 15-Jul-09
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
1
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