IR
Vishay Dale
Inductors
Epoxy Conformal Coated
Uniform Roll Coated
FEATURES
•
•
•
•
Flame-retardant coating
Color band identification
Excellent environmental characteristics
Uniform coating is excellent for automatic RoHS
COMPLIANT
insertion
• Comparable in quality to molded chokes at a lower price
• Epoxy coating is more durable than lacquer coated
models, yet is priced comparably
MECHANICAL SPECIFICATIONS
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: 1000 VAC per MIL-STD-202, Method 301
Terminal Strenght: 5 pounds pull per MIL-STD-202,
Method 211, Test Condition A
Weight: IR-2 = 0.30 grams maximum
IR-4 = 0.65 gram maximum
TEST EQUIPMENT*
Coating: Epoxy-uniform roll coated
• H/P 4342A Q-Meter
• Measurements Corporation Megacycle Meter, Model 59
• Whearstone bridge
Lead: Tinned copper
* Test procedures per MIL-PRF-15305
MATERIAL SPECIFICATIONS
ENVIRONMENTAL PERFORMANCE
DIMENSIONS in inches [millimeters]
A
Max.
D
MODEL
IR-2
IR-4
1.25 [31.75] Min.
1.63 [41.28] Max.
C
Max.
TEST
CONDITIONS
SPECIFICATIONS
Barometric
Pressure
Test Condition C
MIL-STD-202, Method 105
Thermal Shock
Test Condition A-1
MIL-STD-202, Method 107
Flammability
-
MIL-STD-202, Method 111
Overload
-
MIL-PRF-15305
Low
Temperature
-
MIL-PRF-15305
Test Condition A
MIL-STD-202, Method 210
-
MIL-STD-202, Method 215
B Max.
A (Max.)
B (Max.)
C (Max.)
D
0.260
0.120
0.330
0.0200 ± 0.0015
[6.60]
[3.05]
[8.38]
[0.508 ± 0.038]
0.385
0.180
0.440
0.025 ± 0.002
[9.78]
[4.57]
[11.18]
[0.635 ± 0.051]
Resistance to
Soldering Heat
Resistance to
Solvents
MAXIMUM TEMPERATURE RISE
IR-2
OPERATING TEMPERATURE RANGE
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
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
IR-4
www.vishay.com
28
For technical questions contact magnetics@vishay.com
Document Number: 34054
Revision: 31-Jan-06
IR
Inductors, Epoxy Conformal Coated, Uniform Roll Coated
Vishay Dale
Q
MIN.
TEST FREQ.
L&Q
(MHz)
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
IR-2
0.10
± 10 %
40
IR-2
0.12
± 10 %
40
IR-2
0.15
± 10 %
38
IR-2
0.18
± 10 %
35
IR-2
0.22
± 10 %
33
IR-2
0.27
± 10 %
33
IR-2
0.33
± 10 %
30
IR-2
0.39
± 10 %
30
IR-2
0.47
± 10 %
30
IR-2
0.56
± 10 %
30
IR-2
0.68
± 10 %
28
IR-2
0.82
± 10 %
28
IR-2
1.0
± 10 %
25
IR-2
1.2
± 10 %
25
IR-2
1.5
± 10 %
28
IR-2
1.8
± 10 %
30
IR-2
2.2
± 10 %
30
IR-2
2.7
± 10 %
37
IR-2
3.3
± 10 %
45
IR-2
3.9
± 10 %
45
IR-2
4.7
± 10 %
45
IR-2
5.6
± 10 %
50
IR-2
6.8
± 10 %
50
IR-2
8.2
± 10 %
55
IR-2
10.0
± 10 %
55
IR-2
12.0
± 10 %
45
IR-2
15.0
± 10 %
40
IR-2
18.0
± 10 %
50
IR-2
22.0
± 10 %
50
IR-2
27.0
± 10 %
50
IR-2
33.0
± 10 %
45
IR-2
39.0
± 10 %
45
IR-2
47.0
± 10 %
45
IR-2
56.0
± 10 %
45
IR-2
68.0
± 10 %
50
IR-2
82.0
± 10 %
50
IR-2
100.0
± 10 %
50
IR-2
120.0
± 10 %
30
IR-2
150.0
± 10 %
30
IR-2
180.0
± 10 %
30
IR-2
220.0
± 10 %
30
IR-2
270.0
± 10 %
30
IR-2
330.0
± 10 %
30
IR-2
390.0
± 10 %
30
IR-2
470.0
± 10 %
30
IR-2
560.0
± 10 %
30
IR-2
680.0
± 10 %
30
IR-2
820.0
± 10 %
30
IR-2
1000.0
± 10 %
30
IR-4
0.15
± 20 %
50
IR-4
0.22
± 20 %
50
IR-4
0.33
± 20 %
45
IR-4
0.47
± 20 %
45
IR-4
0.56
± 10 %
50
IR-4
0.68
± 10 %
50
IR-4
0.82
± 10 %
50
IR-4
1.0
± 10 %
50
IR-4
1.2
± 10 %
33
IR-4
1.5
± 10 %
33
IR-4
1.8
± 10 %
33
IR-4
2.2
± 10 %
33
IR-4
2.7
± 10 %
33
IR-4
3.3
± 10 %
33
IR-4
3.9
± 10 %
33
IR-4
4.7
± 10 %
33
* Measured with full length lead.
** Rated DC Current based on maximum temperature rise as shown in table.
Document Number: 34054
Revision: 31-Jan-06
SELF-RESONANT*
FREQ MIN.
(MHz)
680.0
640.0
600.0
550.0
510.0
430.0
410.0
365.0
330.0
300.0
275.0
250.0
230.0
150.0
140.0
125.0
115.0
100.0
90.0
80.0
75.0
65.0
60.0
55.0
50.0
40.0
35.0
30.0
25.0
20.0
24.0
22.0
20.0
18.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.5
6.0
5.0
4.0
3.8
3.4
525.0
450.0
360.0
310.0
280.0
250.0
220.0
200.0
180.0
160.0
150.0
135.0
120.0
110.0
100.0
90.0
For technical questions contact magnetics@vishay.com
DCR
MAX.
(Ohms)
0.08
0.09
0.10
0.12
0.14
0.16
0.22
0.30
0.35
0.50
0.60
0.85
1.00
0.18
0.22
0.30
0.40
0.55
0.85
1.0
1.2
1.8
2.0
2.7
3.7
2.7
2.8
3.1
3.3
3.5
3.4
3.6
4.5
5.7
6.7
7.3
8.0
13.0
15.0
17.0
21.0
25.0
28.0
35.0
42.0
46.0
60.0
65.0
72.0
0.03
0.055
0.09
0.12
0.135
0.15
0.22
0.29
0.42
0.50
0.65
0.95
1.20
2.00
2.30
2.60
RATED DC**
CURRENT
(mA)
1350
1270
1200
1105
1025
960
815
700
650
545
495
415
385
590
535
455
395
355
270
250
230
185
175
155
130
155
150
145
140
135
130
125
110
100
92
88
84
66
61
57
52
47
45
40
36
35
30
29
28
2450
1810
1400
1225
1150
1100
900
785
650
600
525
435
385
300
280
260
IRON CORE
TOL.
FERRITE CORE
IND.
(µH)
PHENOLIC CORE
MODEL
PHENOLIC CORE
STANDARD ELECTRICAL SPECIFICATIONS
www.vishay.com
29
IR
Inductors, Epoxy Conformal Coated, Uniform Roll Coated
Vishay Dale
IND.
(µH)
MODEL
TOL.
Q
MIN.
TEST FREQ.
L&Q
(MHz)
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.25
0.25
0.25
0.25
0.25
0.25
IR-4
5.6
± 10 %
45
IR-4
6.8
± 10 %
50
IR-4
8.2
± 10 %
50
IR-4
10.0
± 10 %
55
IR-4
12.0
± 10 %
65
IR-4
15.0
± 10 %
65
IR-4
18.0
± 10 %
75
IR-4
22.0
± 10 %
75
IR-4
27.0
± 10 %
60
IR-4
33.0
± 10 %
65
IR-4
36.0
±5%
60
IR-4
39.0
±5%
60
IR-4
43.0
±5%
60
IR-4
47.0
±5%
55
IR-4
51.0
±5%
55
IR-4
56.0
±5%
55
IR-4
62.0
±5%
55
IR-4
68.0
±5%
55
IR-4
75.0
±5%
55
IR-4
82.0
±5%
50
IR-4
91.0
±5%
50
IR-4
100.0
±5%
50
IR-4
110.0
±5%
60
IR-4
120.0
±5%
65
IR-4
130.0
±5%
65
IR-4
150.0
±5%
65
IR-4
160.0
±5%
65
IR-4
180.0
±5%
65
IR-4
200.0
±5%
65
IR-4
220.0
±5%
65
IR-4
240.0
±5%
65
IR-4
270.0
±5%
65
IR-4
300.0
±5%
65
IR-4
330.0
±5%
65
IR-4
360.0
±5%
65
IR-4
390.0
±5%
65
IR-4
430.0
±5%
65
IR-4
470.0
±5%
65
IR-4
510.0
±5%
65
IR-4
560.0
±5%
65
IR-4
620.0
±5%
65
IR-4
680.0
±5%
55
IR-4
750.0
±5%
55
IR-4
820.0
±5%
55
IR-4
910.0
±5%
55
IR-4
1000.0
±5%
55
IR-4
1100.0
±5%
30
IR-4
1200.0
±5%
30
IR-4
1300.0
±5%
30
IR-4
1500.0
±5%
30
IR-4
1600.0
±5%
30
IR-4
1800.0
±5%
30
* Measured with full length lead.
** Rated DC Current based on maximum temperature rise as shown in table.
SELF-RESONANT*
FREQ MIN.
(MHz)
60.0
55.0
50.0
45.0
42.0
40.0
34.0
30.0
25.0
19.0
15.5
14.5
13.7
13.0
12.7
12.0
11.5
11.0
10.5
10.3
10.0
9.5
8.9
8.7
8.5
8.0
7.5
7.0
6.5
6.2
5.9
5.7
5.4
5.1
4.8
4.5
4.2
3.9
3.7
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
2.0
1.9
1.8
1.7
1.6
DCR
MAX.
(Ohms)
32.0
0.50
0.60
0.90
1.10
1.40
2.25
2.50
2.60
3.0
2.50
2.60
2.70
2.75
2.85
3.0
3.15
3.30
3.70
3.90
4.30
4.50
4.90
5.20
5.45
6.05
6.40
6.75
7.10
7.45
7.80
11.0
11.5
12.0
15.5
16.3
17.1
17.9
18.8
24.7
25.9
27.2
28.6
30.0
31.5
33.1
43.5
45.7
49.0
52.5
54.0
56.7
RATED DC**
CURRENT
(mA)
495
395
360
290
265
240
185
175
170
165
180
176
172
170
167
164
160
156
147
143
136
133
128
124
121
114
111
108
106
103
101
129
125
123
108
105
102
100
98
85
83
81
79
77
76
74
64
63
61
59
58
56
IRON CORE
STANDARD ELECTRICAL SPECIFICATIONS
DESCRIPTION
IR-2
10 µH
± 10 %
ER
e2
MODEL
INDUCTANCE VALUE
INDUCTANCE TOLERANCE
PACKAGE CODE
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER INFORMATION
I
R
0
MODEL
www.vishay.com
30
2
E
R
PACKING CODE
1
0
0
INDUCTANCE VALUE
For technical questions contact magnetics@vishay.com
K
TOL.
Document Number: 34054
Revision: 31-Jan-06
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
www.vishay.com
1
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