IRF
Vishay Dale
Inductors
Epoxy Conformal Coated
Uniform Roll Coated
FEATURES
•
Flame-retardant coating and color band identification
•
Uniform coating is excellent for automatic insertion
•
Available in bulk, ammo and reel pack per EIA
RoHS
COMPLIANT
RS/296
•
Superior electrical specifications high Q and self resonant
frequency, low DC resistance, high rated DC current
ELECTRICAL SPECIFICATIONS
Inductance Tolerance:
± 5 %, ± 10 %, ± 20 %
Other tolerances available on request
Insulation Resistance:
1000 Megohm minimum per
MIL-STD-202, Method 302, Test Condition B
Operating Temperature:
- 55 °C to + 105 °C
DIMENSIONS
in inches [millimeters]
A
Max.
1.25 [31.75] Min.
1.63 [41.28] Max.
MATERIAL SPECIFICATIONS
Coating:
Epoxy-uniform roll coated
Lead:
Tinned copper
Core:
Ferrite
D
C
Max.
B Max.
MODEL
IRF-1
MECHANICAL SPECIFICATIONS
Terminal Strenght:
5 pounds pull per MIL-STD-202,
Method 211, Test Condition A
Weight:
IRF-1 = 0.3 gram maximum
IRF-3 = 0.6 gram maximum
IRF-3
A (Max.)
0.260
[6.60]
0.385
[9.78]
B (Max.)
0.120
[3.05]
0.165
[4.19]
C (Max.)
0.330
[8.38]
0.410
[10.41]
D
0.0200 ± 0.0015
[0.508 ± 0.038]
0.025 ± 0.002
[0.635 ± 0.051]
ENVIRONMENTAL PERFORMANCE
TEST
Flammability
Overload
Resistance to
Soldering Heat
Resistance to
Solvents
CONDITIONS
-
-
Test Condition A
-
SPECIFICATIONS
MIL-STD-202, Method 111
MIL-PRF-15305
MIL-STD-202, Method 210
MIL-STD-202, Method 215
TEST EQUIPMENT*
•
H/P 4342A Q-Meter
•
Measurements Corporation Megacycle Meter, Model 59
•
Whearstone bridge
* Test procedures per MIL-PRF-15305
STANDARD ELECTRICAL SPECIFICATIONS
TEST FREQ.
SELF-RESONANT*
DCR
L&Q
FREQ MIN.
MAXIMUM
(MHz)
(MHz)
(Ohms)
IRF-1
0.10
± 20 %
40
25.0
400.0
0.06
IRF-1
0.12
± 20 %
40
25.0
400.0
0.06
IRF-1
0.15
± 20 %
40
25.0
400.0
0.07
IRF-1
0.18
± 20 %
40
25.0
400.0
0.075
IRF-1
0.22
± 20 %
40
25.0
380.0
0.075
IRF-1
0.27
± 20 %
40
25.0
360.0
0.08
IRF-1
0.33
± 20 %
40
25.0
350.0
0.08
IRF-1
0.39
± 20 %
40
25.0
320.0
0.09
IRF-1
0.47
± 20 %
40
25.0
300.0
0.10
IRF-1
0.56
± 20 %
40
25.0
280.0
0.11
IRF-1
0.68
± 20 %
40
25.0
250.0
0.12
IRF-1
0.82
± 20 %
40
25.0
200.0
0.12
IRF-1
1.0
± 10 %
50
25.0
180.0
0.15
IRF-1
1.2
± 10 %
50
7.9
165.0
0.18
IRF-1
1.5
± 10 %
50
7.9
150.0
0.20
IRF-1
1.8
± 10 %
50
7.9
125.0
0.23
IRF-1
2.2
± 10 %
50
7.9
115.0
0.25
IRF-1
2.7
± 10 %
50
7.9
100.0
0.28
IRF-1
3.3
± 10 %
50
7.9
90.0
0.30
IRF-1
3.9
± 10 %
50
7.9
80.0
0.32
IRF-1
4.7
± 10 %
50
7.9
75.0
0.35
IRF-1
5.6
± 10 %
50
7.9
65.0
0.40
IRF-1
6.8
± 10 %
50
7.9
60.0
0.45
IRF-1
8.2
± 10 %
50
7.9
55.0
0.55
IRF-1
10.0
± 10 %
50
7.9
50.0
0.72
IRF-1
12.0
± 10 %
50
2.5
40.0
0.80
IRF-1
15.0
± 10 %
50
2.5
35.0
0.88
IRF-1
18.0
± 10 %
50
2.5
30.0
1.0
IRF-1
22.0
± 10 %
50
2.5
25.0
1.2
IRF-1
27.0
± 10 %
50
2.5
20.0
1.35
* Measured with full length lead. ** Rated DC Current based on maximum temperature rise of 15 °C at + 90 °C ambient.
MODEL
IND.
(µH)
TOL.
Q
MIN.
Document Number: 34055
Revision: 07-Aug-07
For technical questions contact magnetics@vishay.com
RATED DC**
CURRENT
(mA)
1350
1270
1200
1155
1150
1110
1110
1000
1000
950
900
900
815
740
700
655
630
595
575
555
530
500
470
425
370
350
335
315
285
270
www.vishay.com
31
IRF
Vishay Dale
Inductors, Epoxy Conformal Coated, Uniform Roll Coated
STANDARD ELECTRICAL SPECIFICATIONS
TEST FREQ.
SELF-RESONANT*
DCR
L&Q
FREQ MIN.
MAXIMUM
(MHz)
(MHz)
(Ohms)
IRF-1
33.0
± 10 %
50
2.5
24.0
1.5
IRF-1
39.0
± 10 %
50
2.5
22.0
1.7
IRF-1
47.0
± 10 %
60
2.5
20.0
2.3
IRF-1
56.0
± 10 %
60
2.5
18.0
2.6
IRF-1
68.0
± 10 %
60
2.5
15.0
2.9
IRF-1
82.0
± 10 %
60
2.5
14.0
3.2
IRF-1
100.0
± 10 %
60
2.5
13.0
3.5
IRF-1
120.0
± 10 %
60
0.79
5.40
3.8
IRF-1
150.0
± 10 %
60
0.79
4.75
4.4
IRF-1
180.0
± 10 %
60
0.79
4.35
5.0
IRF-1
220.0
± 10 %
60
0.79
4.0
5.7
IRF-1
270.0
± 10 %
60
0.79
3.70
6.5
IRF-1
330.0
± 10 %
60
0.79
3.40
9.5
IRF-1
390.0
± 10 %
60
0.79
2.80
10.5
IRF-1
470.0
± 10 %
60
0.79
2.55
11.6
IRF-1
560.0
± 10 %
60
0.79
2.35
13.0
IRF-1
680.0
± 10 %
60
0.79
2.0
18.0
IRF-1
820.0
± 10 %
60
0.79
1.85
23.0
IRF-1
1000.0
± 10 %
60
0.79
1.40
26.0
IRF-3
0.22
± 20 %
55
25.0
380.0
0.10
IRF-3
0.27
± 20 %
55
25.0
340.0
0.11
IRF-3
0.33
± 20 %
55
25.0
300.0
0.12
IRF-3
0.39
± 20 %
55
25.0
280.0
0.13
IRF-3
0.47
± 20 %
55
25.0
250.0
0.14
IRF-3
0.56
± 20 %
55
25.0
230.0
0.15
IRF-3
0.68
± 20 %
55
25.0
210.0
0.16
IRF-3
0.82
± 20 %
55
25.0
172.0
0.17
IRF-3
1.0
± 10 %
55
25.0
157.0
0.19
IRF-3
1.2
± 10 %
50
7.9
144.0
0.21
IRF-3
1.5
± 10 %
50
7.9
131.0
0.23
IRF-3
1.8
± 10 %
55
7.9
121.0
0.25
IRF-3
2.2
± 10 %
55
7.9
110.0
0.28
IRF-3
2.7
± 10 %
60
7.9
100.0
0.30
IRF-3
3.3
± 10 %
65
7.9
94.0
0.34
IRF-3
3.9
± 10 %
65
7.9
86.0
0.37
IRF-3
4.7
± 10 %
70
7.9
80.0
0.39
IRF-3
5.6
± 10 %
70
7.9
74.0
0.43
IRF-3
6.8
± 10 %
75
7.9
68.0
0.48
IRF-3
8.2
± 10 %
80
7.9
53.0
0.52
IRF-3
10.0
± 10 %
85
7.9
45.0
0.58
IRF-3
12.0
± 10 %
75
2.5
42.0
0.63
IRF-3
15.0
± 10 %
70
2.5
40.0
0.72
IRF-3
18.0
± 10 %
65
2.5
34.0
0.77
IRF-3
22.0
± 10 %
60
2.5
30.0
0.84
IRF-3
27.0
± 10 %
55
2.5
25.0
0.94
IRF-3
33.0
± 10 %
55
2.5
19.0
1.03
IRF-3
39.0
± 10 %
50
2.5
14.5
1.12
IRF-3
47.0
± 10 %
45
2.5
13.0
1.22
IRF-3
56.0
± 10 %
40
2.5
12.0
1.34
IRF-3
68.0
± 10 %
40
2.5
11.0
1.47
IRF-3
82.0
± 10 %
35
2.5
10.3
1.62
IRF-3
100.0
± 10 %
30
2.5
9.5
1.8
IRF-3
120.0
± 10 %
70
0.79
3.8
3.7
IRF-3
150.0
± 10 %
70
0.79
3.5
4.2
IRF-3
180.0
± 10 %
70
0.79
3.3
4.6
IRF-3
220.0
± 10 %
70
0.79
3.0
5.1
IRF-3
270.0
± 10 %
70
0.79
2.8
5.8
IRF-3
330.0
± 10 %
70
0.79
2.6
6.4
IRF-3
390.0
± 10 %
65
0.79
2.4
7.0
IRF-3
470.0
± 10 %
65
0.79
2.25
7.7
IRF-3
560.0
± 10 %
65
0.79
2.1
8.5
IRF-3
680.0
± 10 %
65
0.79
1.95
9.4
IRF-3
820.0
± 10 %
65
0.79
1.85
10.5
IRF-3
1000.0
± 10 %
65
0.79
1.4
14.0
* Measured with full length lead. ** Rated DC Current based on maximum temperature rise of 15 °C at + 90 °C ambient.
MODEL
IND.
(µH)
TOL.
Q
MIN.
RATED DC**
CURRENT
(mA)
255
240
205
195
185
175
165
160
150
140
130
120
100
95
90
85
75
65
60
1400
1320
1280
1200
1150
1100
1030
980
920
880
830
790
750
720
670
640
620
590
550
530
500
480
460
430
410
390
370
350
340
320
305
290
275
185
175
165
155
145
137
133
126
120
113
105
100
ORDERING INFORMATION
IRF-1
MODEL
10 µH
INDUCTANCE VALUE
± 10 %
INDUCTANCE TOLERANCE
ER
PACKAGE CODE
e2
JEDEC LEAD (Pb)-FREE STANDARD
GLOBAL PART NUMBER INFORMATION
I
R
F
MODEL
www.vishay.com
32
0
1
E
R
1
0
0
K
TOL.
Document Number: 34055
Revision: 07-Aug-07
PACKING CODE
INDUCTANCE VALUE
For technical questions contact magnetics@vishay.com
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
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