Model IM
Vishay Dale
Inductors
Military, MIL-C-15305 Qualified, Type LT
and Commercial, Molded
FEATURES
• Wide inductance range in small package.
• Flame retardant coating.
• Precision performance, excellent reliability, sturdy
construction.
• Epoxy molded construction provides superior
moisture protection.
ELECTRICAL SPECIFICATIONS
INDUCTANCE RANGE AND MILITARY STANDARD
Inductance Tolerance: ± 1%, ± 3%, ± 5%, ± 10%,
± 20%. Other tolerances available on request.
Insulation Resistance: 1000 Megohm minimum per
MIL-STD-202, Method 302, Test Condition B.
Dielectric Strength: Per MIL-STD-202, Method 301:
1000 VAC for IM-2, -4, -6, -8, -9 and -10.
200 VAC for IM-1.
INDUCTANCE RANGE
Mil. Range in bold face CLASSIFICATION
MILITARY
STANDARD
CLASS
MODEL FROM
TO
GRADE
IM-1
—
—
.10µH
100µH
—
IM-2
IM-4
IM-6
—
.022µH
.10µH
1.2µH
33µH
.082µH
1µH
—
1
1
—
B
A
MS75083
MS75084
MS75085
27µH
MECHANICAL SPECIFICATIONS
1000µH
1
A
Terminal Strength: Per MIL-STD-202, Method 211,
Test Condition A: For IM-1, 3 pounds pull.
For IM-2, -4, -6, -8, -9 and -10, 5 pounds pull and twist.
MS18130
MS14046
MS90538
—
B
A
A
.15µH
5.6µH
36µH
4.7µH
33µH
240µH
1800µH
1
1
1
—
270µH
—
Weight: IM-1 = .25 gram maximum.
IM-2 = .30 gram maximum.
IM-4 = .65 gram maximum.
IM-6 = .95 gram maximum.
IM-8 = 1.5 gram maximum.
IM-9 = 2.0 gram maximum.
IM-10 = 2.5 gram maximum.
MS75008 Not QPL'd
MS75101
.10µH
3.3µH
33µH
2.7µH
27µH
220µH
1000µH
1
1
—
1
B
A
—
A
—
MS90539 Not QPL'd
270µH
IM-8
IM-9
IM-10
MS90540 Not QPL'd
MS14047 Not QPL'd
MS90541 Not QPL'd
1100µH
68µH
3600µH
150µH
A
A
A
1
1
1
3900µH
10,000µH
MATERIAL SPECIFICATIONS
Encapsulant: Epoxy.
Standard Terminals: IM-1 and IM-2, 24 AWG;
IM-4, IM-6 and IM-9, 22 AWG; IM-8, 21 AWG;
and IM-10, 20 AWG, tinned copper.
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
C
Typ.
B
TEST EQUIPMENT*
• H/P 4342A Q-Meter.
• Measurements Corporation Megacycle Meter, Model 59.
• Wheatstone bridge.
*Test procedures per MIL-C-15305.
D
Dia.
A Dia.
ENVIRONMENTAL PERFORMANCE
A (Dia.)
B
C (Typ.)
D (Dia.)
MODEL
TEST
CONDITIONS
SPECIFICATIONS
Maximum
IM-1
.086 [2.18] .210 [5.33] 1.62 [41.15] .0215 [.546]
Minimum .070 [1.78] .190 [4.83]
1.38 [35.05] .0185 [.470]
Test Condition C
MIL-STD-202,
Method 105
Barometric Pressure
Maximum .105 [2.67] .260 [6.60]
IM-2
IM-4
IM-6
IM-8
IM-9
IM-10
1.63 [41.40] .0215 [.546]
Minimum
.085 [2.16] .240 [6.10] 1.25 [31.75] .0185 [.470]
Thermal Shock
Flammability
Overload
Test Condition A-1
—
MIL-STD-202,
Method 107
Maximum .165 [4.19] .385 [9.78]
Minimum .145 [3.68] .365 [9.27]
1.63 [41.40] .027 [.686]
1.25 [31.75] .023 [.584]
MIL-STD-202,
Method 111
Maximum .200 [5.08] .450 [11.43]
Minimum .180 [4.57] .430 [10.92]
1.63 [41.40] .027 [.686]
1.25 [31.75] .023 [.584]
—
—
MIL-C-15305
MIL-C-15305
Maximum .225 [5.72] .570 [14.48]
Minimum .205 [5.21] .550 [13.97]
1.63 [41.40] .030 [.762]
1.25 [31.75] .026 [.660]
Low Temperature
Storage
Maximum
Minimum .240 [6.10] .550 [13.97]
.260 [6.60] .570 [14.48] 1.63 [41.40] .027 [.686]
Resistance to
Soldering Heat
Test Condition A
—
MIL-STD-202,
Method 210
1.25 [31.75] .023 [.584]
Maximum .250 [6.35] .750 [19.05]
Minimum
1.63 [41.40] .034 [.864]
.230 [5.84] .730 [18.54] 1.25 [31.75] .030 [.762]
MIL-STD-202,
Method 215
Resistance to
Solvents
Document Number 34030
Revision 23-Apr-99
www.vishay.com
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