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LSM-Series
Switchmode Inductors
Unshielded Surface Mount
Features:
- High DC current bias capability
- 120°C rating (ambient plus rise)
- Used for output and EMI inductor applications
- Very low profiles available
- Open Magnetic circuit construction
- Compact and thin
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The LSM series of unshielded inductors are wound on ferrite cores and cover all common inductance values. Precision’s unshielded power inductors can be used for uncritical applications or for low power circuits.
Precision parts are a low cost alternative or a second source to other major surface mount inductor manufactures.

How to choose your model:
- Calculate the energy storage needed based
on inductance and current
- No de-rating needed for ambients up to
80°
| Precision Model
Number |
|
A
± 0.3 |
|
Φ C
± 0.3 |
|
E |
F |
G |
PDF |
| |
mm |
4 |
3.2 ± 0.3 |
4.5 |
1.5 |
4.5 |
2.1 |
0.8 |
|
in |
0.16 |
0.13 ± 0.01 |
0.18 |
0.06 |
0.18 |
0.08 |
0.03 |
| |
mm |
7 |
5.0 ± 0.3 |
7.8 |
2.5 |
7.5 |
3.05 |
1.9 |
|
in |
0.28 |
0.20 ± 0.01 |
0.31 |
0.10 |
0.30 |
0.12 |
0.07 |
| |
mm |
9 |
5.4 ± 0.3 |
10 |
2.9 |
9.5 |
3.65 |
2.5 |
|
in |
0.35 |
0.21 ± 0.01 |
0.39 |
0.11 |
0.37 |
0.14 |
0.10 |
|
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|
F |
G |
H |
PDF |
|
mm |
7.4 |
7.4 |
5.1 |
2 |
5.4 |
3 |
2 |
4.4 |
|
in |
0.29 |
0.29 |
0.20 |
0.08 |
0.21 |
0.12 |
0.08 |
0.17 |
|
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|
I |
J |
K |
PDF |
| |
mm |
12.95 |
9.4 |
8.38 |
3 |
2.54 |
2.54 |
7.62 |
2.79 |
2.92 |
7.37 |
|
in |
0.51 |
0.37 |
0.33 |
0.12 |
0.10 |
0.10 |
0.30 |
0.11 |
0.11 |
0.29 |

|
|
|
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| |
Inductance
(µH +/-20%)
(Note 1) |
DC
Resistance
(Ohms Max.) |
Rated Current
(Amps. Min.)
(Note 2) |
LSM-05040-01R0 |
1 |
0.048 |
2.56 |
LSM-05040-01R4 |
1.4 |
0.056 |
2.52 |
LSM-05040-01R8 |
1.8 |
0.063 |
1.95 |
LSM-05040-02R2 |
2.2 |
0.071 |
1.75 |
LSM-05040-02R7 |
2.7 |
0.078 |
1.58 |
LSM-05040-03R3 |
3.3 |
0.086 |
1.44 |
LSM-05040-03R9 |
3.9 |
0.093 |
1.33 |
LSM-05040-04R7 |
4.7 |
0.108 |
1.15 |
LSM-05040-05R6 |
5.6 |
0.125 |
0.99 |
LSM-05040-0100 |
10 |
0.182 |
1.04 |
LSM-05040-0120 |
12 |
0.21 |
0.97 |
LSM-05040-0150 |
15 |
0.235 |
0.85 |
LSM-05040-0220 |
22 |
0.378 |
0.68 |
LSM-05040-0270 |
27 |
0.522 |
0.62 |
LSM-05040-0330 |
33 |
0.54 |
0.56 |
Notes:
1.) Inductance Measured at 1Khz, 0.1Vrms, without DC current.
2.) Rated DC current at which inductance will be decreased by 10% from it initial value or the DC current at a temperature rise of 40 degrees Centigrade or whichever is smaller.
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| |
Inductance
(µH +/-20%)
(Note 1) |
DC
Resistance
(Ohms Max.) |
Rated Current
(Amps. Min.)
(Note 2) |
LSM-08071-0100 |
10 |
0.07 |
2.3 |
LSM-08071-0120 |
12 |
0.08 |
2 |
LSM-08071-0150 |
15 |
0.09 |
1.8 |
LSM-08071-0220 |
22 |
0.11 |
1.5 |
LSM-08071-0270 |
27 |
0.12 |
1.3 |
LSM-08071-0330 |
33 |
0.13 |
1.2 |
LSM-08071-0390 |
39 |
0.16 |
1.1 |
LSM-08071-0470 |
47 |
0.18 |
1.04 |
LSM-08071-0560 |
56 |
0.24 |
0.94 |
LSM-08071-0680 |
68 |
0.28 |
0.85 |
LSM-08071-0820 |
82 |
0.37 |
0.78 |
LSM-08071-0101 |
100 |
0.43 |
0.72 |
LSM-08071-0121 |
120 |
0.47 |
0.66 |
LSM-08071-0181 |
180 |
0.71 |
0.51 |
LSM-08071-0221 |
220 |
0.96 |
0.49 |
LSM-08071-0271 |
270 |
1.11 |
0.42 |
LSM-08071-0331 |
330 |
1.26 |
0.4 |
LSM-08071-0391 |
390 |
1.77 |
0.36 |
LSM-08071-0471 |
470 |
1.96 |
0.34 |
Notes:
1.) Inductance Measured at 1Khz, 0.1Vrms, without DC current.
2.) Rated DC current at which inductance will be decreased by 10% from it initial value or the DC current at a temperature rise of 40 degrees Centigrade or whichever is smaller.
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| |
Inductance
(µH +/-20%)
(Note 1) |
DC
Resistance
(Ohms Max.) |
Rated Current
(Amps. Min.)
(Note 2) |
LSM-10091-0100 |
10 |
0.06 |
2.6 |
LSM-10091-0120 |
12 |
0.07 |
2.45 |
LSM-10091-0150 |
15 |
0.08 |
2.27 |
LSM-10091-0180 |
18 |
0.09 |
2.15 |
LSM-10091-0220 |
22 |
0.1 |
1.95 |
LSM-10091-0330 |
33 |
0.12 |
1.5 |
LSM-10091-0390 |
39 |
0.14 |
1.37 |
LSM-10091-0470 |
47 |
0.17 |
1.28 |
LSM-10091-0560 |
56 |
0.19 |
1.17 |
LSM-10091-0680 |
68 |
0.22 |
1.11 |
LSM-10091-0820 |
82 |
0.25 |
1 |
LSM-10091-0101 |
100 |
0.35 |
0.97 |
LSM-10091-0121 |
120 |
0.4 |
0.89 |
LSM-10091-0151 |
150 |
0.47 |
0.78 |
LSM-10091-0221 |
220 |
0.73 |
0.66 |
LSM-10091-0271 |
270 |
0.97 |
0.57 |
LSM-10091-0331 |
330 |
1.15 |
0.52 |
LSM-10091-0471 |
470 |
1.48 |
0.42 |
LSM-10091-0561 |
560 |
1.9 |
0.33 |
LSM-10091-0681 |
680 |
2.25 |
0.28 |
LSM-10091-0821 |
820 |
2.55 |
0.24 |
Notes:
1.) Inductance Measured at 1Khz, 0.1Vrms, without DC current.
2.) Rated DC current at which inductance will be decreased by 10% from it initial value or the DC current at a temperature rise of 40 degrees Centigrade or whichever is smaller.
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| |
Inductance
(µH +/-20%)
(Note 1) |
DC
Resistance
(Ohms Max.) |
Rated Current
(Amps. Min.)
(Note 2) |
LSM-07070-0100 |
10 |
0.07 |
1.56 |
LSM-07070-0120 |
12 |
0.08 |
1.44 |
LSM-07070-0150 |
15 |
0.09 |
1.36 |
LSM-07070-0180 |
18 |
0.1 |
1.28 |
LSM-07070-0220 |
22 |
0.12 |
1.17 |
LSM-07070-0270 |
27 |
0.14 |
1.07 |
LSM-07070-0330 |
33 |
0.16 |
1 |
LSM-07070-0470 |
47 |
0.22 |
0.84 |
LSM-07070-0560 |
56 |
0.29 |
0.72 |
LSM-07070-0680 |
68 |
0.34 |
0.66 |
LSM-07070-0820 |
82 |
0.46 |
0.58 |
LSM-07070-0101 |
100 |
0.55 |
0.51 |
LSM-07070-0121 |
120 |
0.67 |
0.42 |
LSM-07070-0151 |
150 |
0.9 |
0.37 |
LSM-07070-0271 |
270 |
1.55 |
0.28 |
Notes:
1.) Inductance Measured at 1Khz, 0.1Vrms, without DC current.
2.) Rated DC current at which inductance will be decreased by 10% from it initial value or the DC current at a temperature rise of 40 degrees Centigrade or whichever is smaller.
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| |
Inductance
(µH +/-20%)
(Note 1) |
DC
Resistance
(Ohms Max.) |
Rated Current
(Amps. Min.)
(Note 2) |
LSM-13092-0100 |
10 |
0.038 |
2.4 |
LSM-13092-0150 |
15 |
0.046 |
2 |
LSM-13092-0220 |
22 |
0.085 |
1.6 |
LSM-13092-0330 |
33 |
0.1 |
1.4 |
LSM-13092-0470 |
47 |
0.14 |
1 |
LSM-13092-0680 |
68 |
0.2 |
0.9 |
LSM-13092-0101 |
100 |
0.28 |
0.7 |
LSM-13092-0151 |
150 |
0.4 |
0.6 |
LSM-13092-0221 |
220 |
0.61 |
0.5 |
LSM-13092-0331 |
330 |
1.02 |
0.4 |
LSM-13092-0471 |
470 |
1.27 |
0.3 |
LSM-13092-0681 |
680 |
2.02 |
0.2 |
LSM-13092-0102 |
1000 |
3 |
0.1 |
Notes:
1.) Inductance Measured at 1Khz, 0.1Vrms, without DC current.
2.) Rated DC current at which inductance will be decreased by 10% from it initial value or the DC current at a temperature rise of 40 degrees Centigrade or whichever is smaller.
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Piece |
Reel |
|
Reel Dimensions |
Tape Dimensions |
178 |
330 |
A |
B |
C |
W |
A0 |
B0 |
K0 |
P |
P0 |
P2 |
W |
t |
LSM-05040-xxxx |
- |
1,500 |
mm |
330 |
100 |
13 |
12.5 |
4.2 |
4.6 |
3.6 |
8 |
4 |
2 |
12 |
0.3 |
in |
12.99 |
3.94 |
0.51 |
0.49 |
0.17 |
0.18 |
0.14 |
0.31 |
0.16 |
0.08 |
0.47 |
0.01 |
LSM-08071-xxxx |
- |
1,000 |
mm |
330 |
100 |
13 |
16.5 |
7.2 |
8 |
5.6 |
12 |
4 |
2 |
16 |
0.35 |
in |
12.99 |
3.94 |
0.51 |
0.65 |
0.28 |
0.31 |
0.22 |
0.47 |
0.16 |
0.08 |
0.63 |
0.01 |
LSM-10091-xxxx |
- |
500 |
mm |
330 |
100 |
13 |
24.5 |
9.6 |
10.3 |
5.8 |
12 |
4 |
2 |
24 |
0.4 |
in |
12.99 |
3.94 |
0.51 |
0.96 |
0.38 |
0.41 |
0.23 |
0.47 |
0.16 |
0.08 |
0.94 |
0.02 |
LSM-07070-xxxx |
- |
1,000 |
mm |
330 |
100 |
13 |
16.5 |
7.6 |
7.6 |
5.4 |
12 |
4 |
2 |
16 |
0.4 |
in |
12.99 |
3.94 |
0.51 |
0.65 |
0.30 |
0.30 |
0.21 |
0.47 |
0.16 |
0.08 |
0.63 |
0.02 |
LSM-13092-xxxx |
- |
1,000 |
mm |
330 |
100 |
13 |
24.5 |
9.55 |
13.1 |
5.4 |
12 |
4 |
2 |
24 |
0.35 |
in |
12.99 |
3.94 |
0.51 |
0.96 |
0.38 |
0.52 |
0.21 |
0.47 |
0.16 |
0.08 |
0.94 |
0.01 |
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