NORDTEK DANMARK - SW - Inductor for 260KHz Simple Switcher - www.nordtek.dk

SW - Inductor for 260KHz Simple Switcher

Compatible with National Semiconductor's Simple SwitcherTM Part Numbers LM267X-L41 and LM267X-L45 through LM267X-L50   SW - Inductor for 260KHz Simple Switcher
   

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
  

Mechanical Layout
Specifications

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  
 SW260S-4.3-10  LM267X-L45 4.3 10 10.0 26 S4  
 SW260S-5.0-15  LM267X-L46 5.0 15 17.0 27 S5  
 SW260S-5.0-10  LM267X-L47 5.0 11 13.0 25 S5  
 SW260S-5.0-50  LM267X-L48 5.0 52* 40.0 25 S7  
 SW260S-5.0-33  LM267X-L49 5.0 36* 36.0 19 S7  
 SW260S-5.0-23  LM267X-L50 5.0 24.7* 24.0 13 S7  

* Note: Series connection with pins 2 - 4 connected

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Mechanical Layout

Type SW260C - Clip Mount

 
Part Number
 Size Code
 Dimensions - Inches ±0.01 (mm ±0.25)
C
 D
 E
 Coil O.D.
 X = Coil O.D. +
 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)
  Mechanical Layout - Type SW260C - Clip Mount
Mechanical Layout - Type SW260-S - Surface Mount


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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