IR
Vishay Dale
Inductors, Epoxy Conformal Coated, Uniform Roll Coated, Axial
Leaded
FEATURES
• Flame-retardant coating
• Color band identification
• Excellent environmental characteristics
• Uniform coating is excellent for automatic insertion
• Comparable in quality to molded chokes at a lower price
• Epoxy coating is more durable than lacquer coated
models, yet is priced comparably
• Compliant to RoHS directive 2002/95/EC
ELECTRICAL SPECIFICATIONS
MECHANICAL SPECIFICATIONS
Terminal Strenght: 5 pounds pull per MIL-STD-202,
method 211, test condition A
Inductance Tolerance: 1 %, 3 %, 5 %, 10 %, 20 %
Other tolerances available on request
Insulation Resistance: 1000
M
Ω
minimum per
MIL-STD-202, method 302, test condition B
Weight: IR-2 = 0.30 g maximum
IR-4 = 0.65 g maximum
Dielectric Strength: 1000 VAC per MIL-STD-202, method
301
TEST EQUIPMENT (1)
• H/P 4342A Q-meter
• Measurements corporation megacycle meter, model 59
• Whearstone bridge
MATERIAL SPECIFICATIONS
Coating: Epoxy-uniform roll coated
Lead: Tinned copper
Note
(1) Test procedures per MIL-PRF-15305
DIMENSIONS in inches [millimeters]
ENVIRONMENTAL PERFORMANCE
TEST
A
Max.
1.25 [31.75] Min.
1.63 [41.28] Max.
CONDITIONS
SPECIFICATIONS
Barometric
Pressure
Test Condition C
MIL-STD-202, Method 105
Thermal Shock
Test Condition A-1 MIL-STD-202, Method 107
D
C
Max.
B Max.
Flammability
-
MIL-STD-202, Method 111
MIL-PRF-15305
Overload
-
Low
Temperature
-
MIL-PRF-15305
MODEL
A (Max.) B (Max.) C (Max.)
D
Resistance to
Soldering Heat
0.260
[6.60]
0.120
[3.05]
0.330
[8.38]
0.0200 0.0015
[0.508 0.038]
Test Condition A
-
MIL-STD-202, Method 210
MIL-STD-202, Method 215
IR-2
Resistance to
Solvents
0.385
[9.78]
0.180
[4.57]
0.440
[11.18]
0.025 0.002
[0.635 0.051]
IR-4
MAXIMUM TEMPERATURE RISE
IR-2
OPERATING TEMPERATURE RANGE
- 55 °C to 125 °C
0.1 µH to 1.0 µH = + 35 °C at + 90 °C ambient
1.2 µH to 27 µH = + 15 °C at + 90 °C ambient
33 µH to 1000 µH = + 15 °C at + 90 °C ambient
- 55 °C to 105 °C
- 55 °C to 105 °C
IR-4
0.15 µH to 4.7 µH = + 35 °C at + 90 °C ambient
5.6 µH to 33 µH = + 15 °C at + 90 °C ambient
36 µH to 240 µH = + 15 °C at + 90 °C ambient
270 µH to 1800 µH = + 35 °C at + 90 °C ambient
- 55 °C to 125 °C
- 55 °C to 105 °C
- 55 °C to 105 °C
- 55 °C to 125 °C
www.vishay.com
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For technical questions, contact: magnetics@vishay.com
Document Number: 34054
Revision: 15-Jul-09