IM
Vishay Dale
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.
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
INDUCTANCE RANGE AND MILITARY STANDARD
INDUCTANCE RANGE
Mil. Range in bold face
CLASSIFICATION
MILITARY
STANDARD
CLASS
GRADE
MODEL FROM
TO
IM-1
IM-2
100µH
—
0.10µH
—
—
0.082µH
1µH
—
0.022µH
0.10µH
1.2µH
—
B
A
A
—
1
1
1
MS75083
MS75084
MS75085
27µH
1000µH
33µH
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.
IM-4
IM-6
4.7µH
33µH
MS18130
MS14046
MS90538
—
0.15µH
5.6µH
36µH
B
A
1
1
240µH
1800µH
A
1
270µH
—
—
2.7µH
27µH
MS75008 Not QPL'd
MS75101
0.10µH
3.3µH
33µH
B
A
—
A
1
1
—
1
220µH
1000µH
—
MS90539 Not QPL'd
270µH
IM-8
IM-9
IM-10
3600µH
150µH
MS90540 Not QPL'd
MS14047 Not QPL'd
MS90541 Not QPL'd
1100µH
68µH
A
A
A
1
1
1
10,000µH
3900µH
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.
DIMENSIONS in inches [millimeters]
TEST EQUIPMENT*
C
Typ.
B
• H/P 4342A Q-Meter.
D
Dia.
• Measurements Corporation Megacycle Meter, Model 59.
• Wheatstone bridge.
*Test procedures per MIL-PRF-15305.
A Dia.
ENVIRONMENTAL PERFORMANCE
A (Dia.)
B
C (Typ.)
D (Dia.)
MODEL
TEST
CONDITIONS
SPECIFICATIONS
Maximum 0.086 [2.18] 0.210 [5.33] 1.62 [41.15] 0.0215 [.546]
Minimum 0.070 [1.78] 0.190 [4.83] 1.38 [35.05] 0.0185 [.470]
IM-1
Barometric Pressure
Test Condition C
MIL-STD-202,
Method 105
Maximum 0.105 [2.67] 0.260 [6.60] 1.63 [41.40] 0.0215 [.546]
Minimum 0.085 [2.16] 0.240 [6.10] 1.25 [31.75] 0.0185 [.470]
IM-2
IM-4
IM-6
IM-8
IM-9
IM-10
Thermal Shock
Flammability
Overload
Test Condition A-1
—
MIL-STD-202,
Method 107
Maximum 0.165 [4.19] 0.385 [9.78] 1.63 [41.40] 0.027 [.686]
Minimum 0.145 [3.68] 0.365 [9.27] 1.25 [31.75] 0.023 [.584]
MIL-STD-202,
Method 111
Maximum 0.200 [5.08] 0.450 [11.43] 1.63 [41.40] 0.027 [.686]
Minimum 0.180 [4.57] 0.430 [10.92] 1.25 [31.75] 0.023 [.584]
—
—
MIL-PRF-15305
MIL-PRF-15305
Maximum 0.225 [5.72] 0.570 [14.48] 1.63 [41.40] 0.030 [.762]
Minimum 0.205 [5.21] 0.550 [13.97] 1.25 [31.75] 0.026 [.660]
Low Temperature
Storage
Maximum 0.260 [6.60] 0.570 [14.48] 1.63 [41.40] 0.027 [.686]
Minimum 0.240 [6.10] 0.550 [13.97] 1.25 [31.75] 0.023 [.584]
Resistance to
Soldering Heat
Test Condition A
—
MIL-STD-202,
Method 210
Maximum 0.250 [6.35] 0.750 [19.05] 1.63 [41.40] 0.034 [.864]
Minimum 0.230 [5.84] 0.730 [18.54] 1.25 [31.75] 0.030 [.762]
Resistance to
Solvents
MIL-STD-202,
Method 215
www.vishay.com
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For technical questions, contact Magnetics@vishay.com
Document Number 34030
Revision 18-Oct-04
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