IM
Vishay Dale
Document Number 34030
Revision 18-Oct-04
www.vishay.com
8For technical questions, contact Magnetics@vishay.com
Inductors
Military, MIL-PRF-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.
INDUCTANCE RANGE AND MILITARY STANDARD
MODEL TO CLASS
GRADE MILITARY
STANDARD
CLASSIFICATION
FROM
INDUCTANCE RANGE
Mil. Range in bold face
—
—
B
A
A
B
A
A
—
B
A
—
A
A
A
A
—
—
1
1
1
1
1
1
—
1
1
—
1
1
1
1
100µH
0.082µH
1µH
27µH
1000µH
4.7µH
33µH
240µH
1800µH
2.7µH
27µH
220µH
1000µH
3600µH
150µH
10,000µH
0.10µH
0.022µH
0.10µH
1.2µH
33µH
0.15µH
5.6µH
36µH
270µH
0.10µH
3.3µH
33µH
270µH
1100µH
68µH
3900µH
IM-1
IM-2
IM-4
IM-6
IM-8
IM-9
IM-10
—
—
MS75083
MS75084
MS75085
MS18130
MS14046
MS90538
—
MS75008 Not QPL'd
MS75101
—
MS90539 Not QPL'd
MS90540 Not QPL'd
MS14047 Not QPL'd
MS90541 Not QPL'd
ELECTRICAL SPECIFICATIONS
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.
MECHANICAL SPECIFICATIONS
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.
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.
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.
TEST EQUIPMENT*
•H/P 4342A Q-Meter.
•Measurements Corporation Megacycle Meter, Model 59.
•Wheatstone bridge.
*Test procedures per MIL-PRF-15305.
MODEL
IM-1
IM-2
IM-4
IM-6
IM-8
IM-9
IM-10
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Minimum
A (Dia.)
0.086 [2.18]
0.070 [1.78]
0.105 [2.67]
0.085 [2.16]
0.165 [4.19]
0.145 [3.68]
0.200 [5.08]
0.180 [4.57]
0.225 [5.72]
0.205 [5.21]
0.260 [6.60]
0.240 [6.10]
0.250 [6.35]
0.230 [5.84]
B
0.210 [5.33]
0.190 [4.83]
0.260 [6.60]
0.240 [6.10]
0.385 [9.78]
0.365 [9.27]
0.450 [11.43]
0.430 [10.92]
0.570 [14.48]
0.550 [13.97]
0.570 [14.48]
0.550 [13.97]
0.750 [19.05]
0.730 [18.54]
C (Typ.)
1.62 [41.15]
1.38 [35.05]
1.63 [41.40]
1.25 [31.75]
1.63 [41.40]
1.25 [31.75]
1.63 [41.40]
1.25 [31.75]
1.63 [41.40]
1.25 [31.75]
1.63 [41.40]
1.25 [31.75]
1.63 [41.40]
1.25 [31.75]
DIMENSIONS in inches [millimeters]
B
C
Typ.
D
Dia.
A Dia.
D (Dia.)
0.0215 [.546]
0.0185 [.470]
0.0215 [.546]
0.0185 [.470]
0.027 [.686]
0.023 [.584]
0.027 [.686]
0.023 [.584]
0.030 [.762]
0.026 [.660]
0.027 [.686]
0.023 [.584]
0.034 [.864]
0.030 [.762]
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-PRF-15305
MIL-PRF-15305
MIL-STD-202,
Method 210
MIL-STD-202,
Method 215
ENVIRONMENTAL PERFORMANCE