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 maximum
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
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94
For technical questions, contact:
magnetics@vishay.com
Document Number: 34188
Revision: 15-Jul-09
MS21426
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)
Vishay Dale
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
Document Number: 34188
Revision: 15-Jul-09
For technical questions, contact:
magnetics@vishay.com
www.vishay.com
95
Legal Disclaimer Notice
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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
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