Document Number: 34054 For technical questions, contact: magnetics@vishay.com www.vishay.com
Revision: 15-Jul-09 1
Inductors, Epoxy Conformal Coated,
Uniform Roll Coated, Axial Leaded
IR
Vishay Dale
ELECTRICAL SPECIFICATIONS
Inductance Tolerance: ± 1 %, ± 3 %, ± 5 %, ± 10 %, ± 20 %
Other tolerances available on request
Insulation Resistance: 1000 MΩ minimum per
MIL-STD-202, method 302, test condition B
Dielectric Strength:
1000 V
AC
per MIL-STD-202, method 301
MATERIAL SPECIFICATIONS
Coating: Epoxy-uniform roll coated
Lead: Tinned copper
MECHANICAL SPECIFICATIONS
Terminal Strenght: 5 pounds pull per MIL-STD-202,
method 211, test condition A
Weight: IR-2 = 0.30 g maximum
IR-4 = 0.65 g maximum
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
TEST EQUIPMENT (1)
• H/P 4342A Q-meter
• Measurements corporation megacycle meter, model 59
• Whearstone bridge
Note
(1) Test procedures per MIL-PRF-15305
DIMENSIONS in inches [millimeters]
MODEL A (MAX.) B (MAX.) C (MAX.) D
IR-2 0.260
[6.60]
0.120
[3.05]
0.330
[8.38]
0.0200 ± 0.0015
[0.508 ± 0.038]
IR-4 0.385
[9.78]
0.180
[4.57]
0.440
[11.18]
0.025 ± 0.002
[0.635 ± 0.051]
DC
Max. B Max.
A
Max.
1.25 [31.75] Min.
1.63 [41.28] Max.
ENVIRONMENTAL PERFORMANCE
TEST CONDITIONS SPECIFICATIONS
Barometric
Pressure CMIL-STD-202,
method 105
Thermal Shock A-1 MIL-STD-202,
method 107
Flammability -MIL-STD-202,
method 111
Overload - MIL-PRF-15305
Low Temperature
Storage - MIL-PRF-15305
Resistance to
Soldering Heat AMIL-STD-202,
method 210
Resistance to
Solvents -MIL-STD-202,
method 215
MAXIMUM TEMPERATURE RISE
MODEL OPERATING TEMPERATURE RANGE
IR-2
0.1 μH to 1.0 μH = + 35 °C at + 90 °C ambient - 55 °C to 125 °C
1.2 μH to 27 μH = + 15 °C at + 90 °C ambient - 55 °C to 105 °C
33 μH to 1000 μH = + 15 °C at + 90 °C ambient - 55 °C to 105 °C
IR-4
0.15 μH to 4.7 μH = + 35 °C at + 90 °C ambient - 55 °C to 125 °C
5.6 μH to 33 μH = + 15 °C at + 90 °C ambient - 55 °C to 105 °C
36 μH to 240 μH = + 15 °C at + 90 °C ambient - 55 °C to 105 °C
270 μH to 1800 μH = + 35 °C at + 90 °C ambient - 55 °C to 125 °C
www.vishay.com For technical questions, contact: magnetics@vishay.com Document Number: 34054
2Revision: 15-Jul-09
IR
Vishay Dale Inductors, Epoxy Conformal Coated,
Uniform Roll Coated, Axial Leaded
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
IND.
(μH)
TOL.
(%)
Q
MIN.
TEST FREQUENCY L AND Q
(MHz)
SRF MIN.
(MHz) (1)
DCR MAX.
(Ω)
RATED DC CURRENT
(mA) (2)
IR-2 0.10 ± 10 40 25.0 680.0 0.08 1350
PHENOLIC CORE
IR-2 0.12 ± 10 40 25.0 640.0 0.09 1270
IR-2 0.15 ± 10 38 25.0 600.0 0.10 1200
IR-2 0.18 ± 10 35 25.0 550.0 0.12 1105
IR-2 0.22 ± 10 33 25.0 510.0 0.14 1025
IR-2 0.27 ± 10 33 25.0 430.0 0.16 960
IR-2 0.33 ± 10 30 25.0 410.0 0.22 815
IR-2 0.39 ± 10 30 25.0 365.0 0.30 700
IR-2 0.47 ± 10 30 25.0 330.0 0.35 650
IR-2 0.56 ± 10 30 25.0 300.0 0.50 545
IR-2 0.68 ± 10 28 25.0 275.0 0.60 495
IR-2 0.82 ± 10 28 25.0 250.0 0.85 415
IR-2 1.0 ± 10 25 25.0 230.0 1.00 385
IR-2 1.2 ± 10 25 7.9 150.0 0.18 590
IRON CORE
IR-2 1.5 ± 10 28 7.9 140.0 0.22 535
IR-2 1.8 ± 10 30 7.9 125.0 0.30 455
IR-2 2.2 ± 10 30 7.9 115.0 0.40 395
IR-2 2.7 ± 10 37 7.9 100.0 0.55 355
IR-2 3.3 ± 10 45 7.9 90.0 0.85 270
IR-2 3.9 ± 10 45 7.9 80.0 1.0 250
IR-2 4.7 ± 10 45 7.9 75.0 1.2 230
IR-2 5.6 ± 10 50 7.9 65.0 1.8 185
IR-2 6.8 ± 10 50 7.9 60.0 2.0 175
IR-2 8.2 ± 10 55 7.9 55.0 2.7 155
IR-2 10.0 ± 10 55 7.9 50.0 3.7 130
IR-2 12.0 ± 10 45 2.5 40.0 2.7 155
IR-2 15.0 ± 10 40 2.5 35.0 2.8 150
IR-2 18.0 ± 10 50 2.5 30.0 3.1 145
IR-2 22.0 ± 10 50 2.5 25.0 3.3 140
IR-2 27.0 ± 10 50 2.5 20.0 3.5 135
IR-2 33.0 ± 10 45 2.5 24.0 3.4 130
FERRITE CORE
IR-2 39.0 ± 10 45 2.5 22.0 3.6 125
IR-2 47.0 ± 10 45 2.5 20.0 4.5 110
IR-2 56.0 ± 10 45 2.5 18.0 5.7 100
IR-2 68.0 ± 10 50 2.5 15.0 6.7 92
IR-2 82.0 ± 10 50 2.5 14.0 7.3 88
IR-2 100.0 ± 10 50 2.5 13.0 8.0 84
IR-2 120.0 ± 10 30 0.79 12.0 13.0 66
IR-2 150.0 ± 10 30 0.79 11.0 15.0 61
IR-2 180.0 ± 10 30 0.79 10.0 17.0 57
IR-2 220.0 ± 10 30 0.79 9.0 21.0 52
IR-2 270.0 ± 10 30 0.79 8.0 25.0 47
IR-2 330.0 ± 10 30 0.79 7.0 28.0 45
IR-2 390.0 ± 10 30 0.79 6.5 35.0 40
IR-2 470.0 ± 10 30 0.79 6.0 42.0 36
IR-2 560.0 ± 10 30 0.79 5.0 46.0 35
IR-2 680.0 ± 10 30 0.79 4.0 60.0 30
IR-2 820.0 ± 10 30 0.79 3.8 65.0 29
IR-2 1000.0 ± 10 30 0.79 3.4 72.0 28
IR-4 0.15 ± 20 50 25.0 525.0 0.03 2450
PHENOLIC CORE
IR-4 0.22 ± 20 50 25.0 450.0 0.055 1810
IR-4 0.33 ± 20 45 25.0 360.0 0.09 1400
IR-4 0.47 ± 20 45 25.0 310.0 0.12 1225
IR-4 0.56 ± 10 50 25.0 280.0 0.135 1150
IR-4 0.68 ± 10 50 25.0 250.0 0.15 1100
IR-4 0.82 ± 10 50 25.0 220.0 0.22 900
IR-4 1.0 ± 10 50 25.0 200.0 0.29 785
IR-4 1.2 ± 10 33 7.9 180.0 0.42 650
IR-4 1.5 ± 10 33 7.9 160.0 0.50 600
IR-4 1.8 ± 10 33 7.9 150.0 0.65 525
IR-4 2.2 ± 10 33 7.9 135.0 0.95 435
IR-4 2.7 ± 10 33 7.9 120.0 1.20 385
IR-4 3.3 ± 10 33 7.9 110.0 2.00 300
IR-4 3.9 ± 10 33 7.9 100.0 2.30 280
IR-4 4.7 ± 10 33 7.9 90.0 2.60 260
Notes
(1) Measured with full length lead
(2) Rated DC Current based on maximum temperature rise as shown in table
Document Number: 34054 For technical questions, contact: magnetics@vishay.com www.vishay.com
Revision: 15-Jul-09 3
IR
Inductors, Epoxy Conformal Coated,
Uniform Roll Coated, Axial Leaded Vishay Dale
IR-4 5.6 ± 10 45 7.9 60.0 32.0 495
IRON CORE
IR-4 6.8 ± 10 50 7.9 55.0 0.50 395
IR-4 8.2 ± 10 50 7.9 50.0 0.60 360
IR-4 10.0 ± 10 55 7.9 45.0 0.90 290
IR-4 12.0 ± 10 65 2.5 42.0 1.10 265
IR-4 15.0 ± 10 65 2.5 40.0 1.40 240
IR-4 18.0 ± 10 75 2.5 34.0 2.25 185
IR-4 22.0 ± 10 75 2.5 30.0 2.50 175
IR-4 27.0 ± 10 60 2.5 25.0 2.60 170
IR-4 33.0 ± 10 65 2.5 19.0 3.0 165
IR-4 36.0 ± 5 60 2.5 15.5 2.50 180
IR-4 39.0 ± 5 60 2.5 14.5 2.60 176
IR-4 43.0 ± 5 60 2.5 13.7 2.70 172
IR-4 47.0 ± 5 55 2.5 13.0 2.75 170
IR-4 51.0 ± 5 55 2.5 12.7 2.85 167
IR-4 56.0 ± 5 55 2.5 12.0 3.0 164
IR-4 62.0 ± 5 55 2.5 11.5 3.15 160
IR-4 68.0 ± 5 55 2.5 11.0 3.30 156
IR-4 75.0 ± 5 55 2.5 10.5 3.70 147
IR-4 82.0 ± 5 50 2.5 10.3 3.90 143
IR-4 91.0 ± 5 50 2.5 10.0 4.30 136
IR-4 100.0 ± 5 50 2.5 9.5 4.50 133
IR-4 110.0 ± 5 60 0.79 8.9 4.90 128
IR-4 120.0 ± 5 65 0.79 8.7 5.20 124
IR-4 130.0 ± 5 65 0.79 8.5 5.45 121
IR-4 150.0 ± 5 65 0.79 8.0 6.05 114
IR-4 160.0 ± 5 65 0.79 7.5 6.40 111
IR-4 180.0 ± 5 65 0.79 7.0 6.75 108
IR-4 200.0 ± 5 65 0.79 6.5 7.10 106
IR-4 220.0 ± 5 65 0.79 6.2 7.45 103
IR-4 240.0 ± 5 65 0.79 5.9 7.80 101
IR-4 270.0 ± 5 65 0.79 5.7 11.0 129
IR-4 300.0 ± 5 65 0.79 5.4 11.5 125
IR-4 330.0 ± 5 65 0.79 5.1 12.0 123
IR-4 360.0 ± 5 65 0.79 4.8 15.5 108
IR-4 390.0 ± 5 65 0.79 4.5 16.3 105
IR-4 430.0 ± 5 65 0.79 4.2 17.1 102
IR-4 470.0 ± 5 65 0.79 3.9 17.9 100
IR-4 510.0 ± 5 65 0.79 3.7 18.8 98
IR-4 560.0 ± 5 65 0.79 3.5 24.7 85
IR-4 620.0 ± 5 65 0.79 3.3 25.9 83
IR-4 680.0 ± 5 55 0.79 3.1 27.2 81
IR-4 750.0 ± 5 55 0.79 2.9 28.6 79
IR-4 820.0 ± 5 55 0.79 2.7 30.0 77
IR-4 910.0 ± 5 55 0.79 2.5 31.5 76
IR-4 1000.0 ± 5 55 0.79 2.3 33.1 74
IR-4 1100.0 ± 5 30 0.25 2.1 43.5 64
IR-4 1200.0 ± 5 30 0.25 2.0 45.7 63
IR-4 1300.0 ± 5 30 0.25 1.9 49.0 61
IR-4 1500.0 ± 5 30 0.25 1.8 52.5 59
IR-4 1600.0 ± 5 30 0.25 1.7 54.0 58
IR-4 1800.0 ± 5 30 0.25 1.6 56.7 56
ORDERING INFORMATION
IR-2 10 μH ± 10 % ER e2
MODEL INDUCTANCE VALUE INDUCTANCE TOLERANCE PACKAGE CODE JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER
IR02 ER 100 K
MODEL PACKAGE CODE INDUCTANCE VALUE INDUCTANCE TOLERANCE
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
IND.
(μH)
TOL.
(%)
Q
MIN.
TEST FREQUENCY L AND Q
(MHz)
SRF MIN.
(MHz) (1)
DCR MAX.
(Ω)
RATED DC CURRENT
(mA) (2)
Notes
(1) Measured with full length lead
(2) Rated DC Current based on maximum temperature rise as shown in table
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
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