ISC-1812
Vishay Dale
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.
• Shielded construction minimizes coupling to other
components.
STANDARD ELECTRICAL SPECIFICATIONS
TEST
SELF-
RATED
DC
FREQ. RESONANT
L & Q FREQ. MIN.
DCR
MAX.
ELECTRICAL SPECIFICATIONS
Inductance Range: 0.10µH to 1000µH.
Inductance Tolerance: ± 20% for 0.10µH to 0.82µH.
± 10% for 1.0µH to 1000µH standard.
± 10%, ± 5%, ± 3% and 2% (also 1% on some values)
available.
Temperature Range: - 55°C to + 125°C.
Coilform Material: Non-Magnetic for 0.10µH to 0.82µH.
Powdered iron for 1.0µH to 22µH. Ferrite for 27µH to 1000µH.
CURRENT
(mA)
IND.
(µH)
Q
TOL.
(MHz)
(MHz)
MIN.
(Ohms)
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 20% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 30
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 50
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
± 10% 40
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
460.0
400.0
390.0
350.0
310.0
280.0
240.0
215.0
205.0
195.0
165.0
155.0
140.0
120.0
100.0
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
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
1.0
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
12.0
13.50
16.0
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
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.
1.2
1.5
1.8
2.2
DIMENSIONS in inches [millimeters]
2.7
3.3
3.9
4.7
0.126 ±0.008
5.6
[3.20 ±0.203]
6.8
0.006
[0.152]
8.2
0.037 ± 0.008
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
Ref.
[0.940 ± 0.203]
0.177 ± 0.008
Typ.
[4.50 ± 0.203]
0.050 + 0.004
0.126 ± 0.008
[3.20 ± 0.203]
- 0.008
[1.27 + 0.102]
- 0.203]
0.030 ±
0.004
8.0
0.158
[4.0]
7.6
[0.762 ±
0.102]
Typ.
7.2
0.124 [3.15]
Ref.
7.0
0.181
[4.6]
6.0
5.0
0.158
[4.0]
4.5
Guidelines for
Parallel Component
Printed Circuit
Mounting Pads on
ISC-1812
0.024*
4.2
[0.6]
4.0
3.7
0.059
[1.5]
0.059
3.5
92
[1.5]
3.3
87
0.118
[3.0]
2.8
82
Chip Inductors
2.6
76
2.2
72
*Recommended minimum spacing between components.
2.0
66
PART MARKING
COUPLING SPECIFICATIONS [maximum]
— Vishay Dale
— Inductance value
— Date code
10
5
DESCRIPTION
ISC-1812
± 10%
10µH
1
MODEL
INDUCTANCE
TOLERANCE
INDUCTANCE
VALUE
0.5
1
5
10
50 100
5001000
INDUCTANCE (µH)
SAP PART NUMBERING GUIDELINES (INTERNAL)
I
S
C
1
8
1
2
R
V
1
0
0
K
PACKAGE
CODE
INDUCTANCE
VALUE
TOL.
PRODUCT FAMILY
See the end of this data book for conversion tables
SIZE
www.vishay.com
60
For technical questions, contact Magnetics@vishay.com
Document Number 34061
Revision 28-Aug-02