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SW - Inductor for 260KHz Simple Switcher
Compatible with National Semiconductor's Simple SwitcherTM Part Numbers LM267X-L41 and LM267X-L45 through LM267X-L50 |
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Features
- High energy storage with minimum saturation
- High stability from no load to full load
- Available in both SMD and THT versions
- Manufactured in ISO-9001 approved facility
- Operating temperature range: -40°C to +130°C
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Electrical Specifications at 25°C
Part Number |
National Part Number |
Rated Current (IDC) |
Inductance (µH) ±20% |
ETOP (V-µSec) Max. @ 260kHz |
DCR (mOhm) |
Package Size |
Package Code |
Lead Dia. (mm) |
SW260C-4.9-23 |
LM267X-L41 |
4.9 |
22.8 |
23.3 |
36 |
C3 |
0.80 |
SW260C-4.3-10 |
LM267X-L45 |
4.3 |
10.2 |
10.0 |
26 |
C1 |
0.75 |
SW260C-5.0-15 |
LM267X-L46 |
5.0 |
14.8 |
17.0 |
23 |
C2 |
0.80 |
SW260C-5.0-10 |
LM267X-L47 |
5.0 |
10 |
13.0 |
25 |
C2 |
0.75 |
SW260C-5.0-50 |
LM267X-L48 |
5.0 |
50 |
40.0 |
50 |
C4 |
0.90 |
SW260C-5.0-33 |
LM267X-L49 |
5.0 |
33 |
36.0 |
47 |
C4 |
0.80 |
SW260C-5.0-23 |
LM267X-L50 |
5.0 |
23 |
24.0 |
26 |
C3 |
0.80 |
SW260S-4.9-23 |
LM267X-L41 |
4.9 |
22.8 |
23.3 |
36 |
S6 |
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SW260S-4.3-10 |
LM267X-L45 |
4.3 |
10 |
10.0 |
26 |
S4 |
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SW260S-5.0-15 |
LM267X-L46 |
5.0 |
15 |
17.0 |
27 |
S5 |
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SW260S-5.0-10 |
LM267X-L47 |
5.0 |
11 |
13.0 |
25 |
S5 |
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SW260S-5.0-50 |
LM267X-L48 |
5.0 |
52* |
40.0 |
25 |
S7 |
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SW260S-5.0-33 |
LM267X-L49 |
5.0 |
36* |
36.0 |
19 |
S7 |
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SW260S-5.0-23 |
LM267X-L50 |
5.0 |
24.7* |
24.0 |
13 |
S7 |
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* Note: Series connection with pins 2 - 4 connected
Mechanical Layout
Type SW260C - Clip Mount
Part Number
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Size Code
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Dimensions - Inches ±0.01 (mm ±0.25) |
C
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D
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E
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Coil O.D.
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X = Coil O.D. +
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SW260C-4.3-10 |
C1 |
0.580 (14.73) |
0.340 (8.64) |
0.220 (5.58) |
0.605 (15.40) |
0.110 (2.80) |
SW260C-5.0-15 |
C2 |
0.650 (16.50) |
0.449 (11.40) |
0.299 (7.60) |
0.640 (16.26) |
0.110 (2.80) |
SW260-5.0-10 |
C2 |
0.650 (16.50) |
0.449 (11.40) |
0.299 (7.60) |
0.590 (15.00) |
0.110 (2.80) |
SW260C-4.9-23 SW260C-5.0-23 |
C3 |
0.827 (21.00) |
0.449 (11.40) |
0.299 (7.60) |
0.840 (21.34) |
0.110 (2.80) |
SW260C-5.0-50 SW260C-5.0-33 |
C4 |
0.949 ((24.10) |
0.598 (15.20) |
0.449 (11.40) |
1.240 (31.50) |
0.110 (2.80) |
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Mounting Style |
Size Code |
Dimensions - Inches ±0.010 (mm ±0.25) |
A |
B |
C |
D |
E |
"S" SMD |
S4 |
0.591 (15.0) |
0.591 (15.0) |
0.315 (8.00) |
0.508 (12.9) |
0.551 (14.0) |
S5 |
0.669 (17.0) |
0.701 (17.8) |
0.390 (9.91) |
0.591 (15.0) |
0.591 (15.0) |
S6 |
0.925 (23.5) |
0.925 (23.5) |
0.496 (12.6) |
0.827 (21.0) |
0.689 (17.5) |
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