Model IMS-2
Vishay Dale
Inductors
Military, MIL-C-15305 Qualified, Type LT
and Commercial, Molded, Shielded, Miniature
FEATURES
•
Flame retardant coating.
•
Electromagnetic shield.
•
Small package for a shielded inductor.
•
Epoxy molded construction provides superior moisture protection.
•
Precision performance, excellent reliability, sturdy construction.
STANDARD ELECTRICAL SPECIFICATIONS
TEST
FREQ.
L&Q
(MHz)
IND.
(
µ
H)
.10
.12
.15
.18
.22
.27
.33
.39
.47
.56
.68
.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
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
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
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%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
±
10%
MILITARY
STANDARD
MS21426
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
MS21427
-1
-2
-3
-4
-5
-6
-7
-8
-9
MILITARY
TYPE
LT10K
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
LT10K
555
556
557
558
559
560
561
562
563
Q
MIN.
54
52
50
49
47
46
44
42
41
41
39
38
37
40
41
43
45
48
49
50
53
54
55
55
57
36
38
40
40
40
41
42
44
44
45
45
40
31
33
33
35
37
40
38
36
36
SELF-*
RESONANT
FREQ. MIN.
(MHz)
DCR
MAX.
(Ohms)
RATED**
DC
CURRENT
(mA)
INCREMENTAL***
CURRENT
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
27
24
22
20
18
16
14
13
12
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
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
.79
.79
.79
.79
.79
.79
.79
.79
.79
490.0
430.0
415.0
375.0
330.0
300.0
260.0
230.0
220.0
210.0
180.0
165.0
150.0
130.0
115.0
105.0
95.0
90.0
80.0
75.0
70.0
60.0
55.0
53.0
50.0
35.0
30.0
26.0
24.0
21.0
20.0
19.0
16.0
15.0
13.0
11.0
10.5
13.0
12.0
11.0
10.0
9.0
8.0
7.8
7.5
7.0
.10
.11
.12
.13
.15
.16
.18
.19
.21
.23
.24
.27
.30
.73
.86
.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
11.0
12.0
13.0
16.8
5.8
7.9
9.4
11.0
12.0
16.0
21.0
24.0
28.0
670
635
610
585
545
530
495
485
460
440
430
405
385
247
228
217
202
193
185
173
136
124
118
111
106
122
115
108
96
88
83
75
69
64
61
59
51
88
75
69
64
61
53
46
43
40
*Measured with full length lead. **Rated
DC Current:
Based on the maximum temperature rise not to exceed 15°C at + 90°C ambient.
***Incremental
Current:
The minimum typical current at which the inductance will be decreased by 5% from its initial zero DC value.
ELECTRICAL SPECIFICATIONS
Inductance Tolerance:
±
10% standard.
±
5% available.
Insulation Resistance:
1000 Megohm minimum per
MIL-STD-202, Method 302, Test Condition B.
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94
Dielectric Withstanding Voltage:
200 VAC per
MIL-STD-202, Method 301 (sea level).
Percent Coupling:
3% maximum per MIL-C-15305.
Operating Temperature Range:
- 55°C to + 105°C.
Document Number 34045
Revision 30-Apr-99
Ferrite Core
Iron Core
Model IMS-2
Vishay Dale
MECHANICAL SPECIFICATIONS
Terminal Strength:
3 pounds pull per MIL-STD-202,
Method 211, Test Condition A except 180° rotation for
a total of 540°.
Weight:
IMS-2 = .30 grams maximum.
MATERIAL SPECIFICATIONS
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
Encapsulant:
Epoxy.
Standard Terminal:
#24 AWG tinned copper.
TEST EQUIPMENT*
1.50
±
.120
[38.10
±
3.05]
.250
±
.010
[6.35
±
.254]
.095
±
.010
[2.41
±
.254]
•
H/P 4342A Q-Meter.
•
Measurements Corporation Megacycle Meter,
Model 59.
•
Wheatstone Bridge.
*Test procedures per MIL-C-15305.
.020
±
.0015
[.508
±
.038]
INDUCTANCE RANGE AND MILITARY STANDARD
INDUCTANCE RANGE
FROM
.10µH
120µH
TO
100µH
560µH
CLASSIFICATION
GRADE
1
1
CLASS
A
A
CORE
Powdered Iron
Ferrite
MATERIAL
SHIELD
Powdered Iron
Ferrite
MILITARY
STANDARD
MS21426
MS21427
ENVIRONMENTAL PERFORMANCE
TEST
Barometric Pressure
Thermal Shock
Flammability
Overload
Low Temperature Storage
Resistance to Soldering Heat
Resistance to Solvents
CONDITIONS
Test Condition C
Test Condition A-1
—
—
—
Test Condition A
—
SPECIFICATIONS
MIL-STD-202, Method 105
MIL-STD-202, Method 107
MIL-STD-202, Method 111
MIL-C-15305
MIL-C-15305
MIL-STD-202, Method 210
MIL-STD-202, Method 215
HOW TO ORDER
IMS-2
MODEL
10
µ
H
INDUCTANCE VALUE
±
10%
INDUCTANCE TOLERANCE
HOW TO ORDER - MILITARY PART NUMBER
MS21426
MILITARY STANDARD
- 14
INDUCTANCE VALUE
OR
LT
TYPE
10
GRADE AND CLASS
K
FAMILY
531
ID NUMBER
NOTE:
Listing of military standard does not imply qualification. Contact factory for latest government QPL information.
Document Number 34045
Revision 30-Apr-99
www.vishay.com
95
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