ISC-1812
Vishay Dale
www.vishay.com
Wirewound, Surface Mount, Molded, Shielded Inductors
FEATURES
• Molded construction provides superior strength
and moisture resistance
• Tape and reel packaging for automatic handling,
2000/reel, EIA-481
• Compatible with vapor phase and infrared reflow
soldering
STANDARD ELECTRICAL SPECIFICATIONS
• Shielded construction minimizes coupling to other
components
TEST
FREQ.
(MHz)
SRF DCR RATED DC
MIN. MAX. CURRENT
IND.
(μH)
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
(MHz)
()
(mA) (1)
TOL.
L & Q Q MIN.
0.10
0.12
0.15
0.18
0.22
0.33
0.39
0.47
0.56
0.68
0.82
0.8
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
20 % 25.2
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 7.96
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 2.52
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.796
10 % 0.252
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
50
50
50
50
50
50
50
50
50
50
50
50
40
40
40
40
40
40
40
40
40
30
40
30
30
460
400
390
350
310
280
240
215
205
195
165
155
140
120
100
90.0
80.0
67.0
61.0
56.0
50.0
40.0
32.0
30.0
25.0
22.0
18.0
15.0
14.0
13.0
12.0
11.0
9.0
8.0
7.6
7.2
7.0
6.0
5.0
4.5
4.2
4.0
3.7
3.5
3.3
2.8
2.6
2.2
2.0
0.23
0.26
0.29
0.32
0.36
0.40
0.45
0.60
0.75
0.80
0.95
1.20
0.35
0.38
0.40
0.43
0.46
0.49
0.55
0.59
0.62
0.69
0.75
0.82
0.90
1.00
1.10
1.24
1.36
1.56
1.72
1.89
2.10
2.34
2.60
2.86
3.25
3.64
4.16
5.72
6.30
6.90
7.54
8.20
9.20
10.50
12.00
13.50
16.00
552
519
491
468
441
418
394
342
306
296
271
242
447
429
418
403
390
378
357
344
336
333
306
292
279
265
252
238
227
212
202
192
183
173
164
156
147
139
130
111
105
101
96
ELECTRICAL SPECIFICATIONS
Inductance Range: 0.10 μH to 1000 μH
Inductance Tolerance: 20 % for 0.10 μH to 0.82 μH
10 % for 1.0 μH to 1000 μH
standard
10 %, 5 %, 3 % available
Operating Temperature: - 55 °C to + 125 °C
Coilform Material: Non-magnetic for 0.10 μH to 0.82 μH
Powdered iron for 1.0 μH to 22 μH
Ferrite for 27 μH to 1000 μH
TEST EQUIPMENT
• H/P 4342A Q meter with Vishay Dale test fixture or equivalent
• H/P 4191A RF impedance analyzer (for SRF measurements)
• Wheatstone bridge
4.7
5.6
6.8
8.2
DIMENSIONS in inches [millimeters]
0.037 0.008
[0.940 0.203ꢀ
0.126 0.008
[3.200 0.203ꢀ
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
0.177 0.008
0.050 + 0.004
- 0.008
[4.500 0.203ꢀ
0.006 [0.152ꢀ
Ref. Typ.
[1.270 +- 00..210032ꢀ
0.126 0.008
[3.200 0.203ꢀ
Typ.
0.030 0.004
[0.762 0.102ꢀ
Typ.
0.158
[4.0ꢀ
0.124 [3.15ꢀ
Ref.
0.181
[4.6ꢀ
0.158
0.024 (1)
[4.0ꢀ
Guidelines for
Parallel Component
Printed Circuit
Mounting Pads on
ISC-1812 Chip
Inductors
[0.6ꢀ
0.059
[1.5ꢀ
0.059
[1.5ꢀ
0.118 [3.0ꢀ
92
87
82
76
72
66
Note
(1)
Recommended minimum spacing between components
PART MARKING
- Vishay Dale
- Inductance value
- Date code
Note
(1)
Rated DC current based on the maximum temperature rise, not
to exceed 40 °C at + 85 °C ambient
Revision: 11-Dec-12
Document Number: 34061
1
For technical questions, contact: magnetics@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000