NORDTEK DANMARK - SW -For 150KHz Simple Switcher - servicekontoret.dk

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SW -For 150KHz Simple Switcher

SW Series low cost toroidal inductors, designed for use with National Semiconductor's 150kHz Simple Switcher^TM Part Numbers LM259X-L1 through LM259X-L44 and LM258X-L

Features

High energy storage with minimum saturation
High stability from no load to full load
Available in both SMD and TH versions
Manufactured in ISO-9001 approved facility
Operating temperature range: -40°C to +125°C

Mechanical Layout
Cross Reference, Pulse Engineering - Talema Electronic

Electrical Specifications at 25°C

Part Number	National Part Number	Rated Current (I_DC)	LN (µH) ±20%	ET_OP (V-µSec) Max.	DCR (Ohm)	Energy Storage (µJ)	Package
Part Number	National Part Number	Rated Current (I_DC)	LN (µH) ±20%	ET_OP (V-µSec) Max.	DCR (Ohm)	Energy Storage (µJ)	"S"	"C" & "T"
SW_-0.13-259 SW_-0.16-178	LM-259X-L1 LM-259X-L2	0.13 0.16	259 187	23.1 16.5	3.40 2.80	2 2	S1	T1
SW_-0.20-118 SW_-0.25-79 SW_-0.30-55	LM-259X-L3 LM-259X-L4 LM-259X-L5	0.20 0.25 0.30	118 79 55	13.2 9.9 6.6	1.80 1.50 1.00	2 2 2
SW_-0.34-39 SW_-0.45-26	LM-259X-L6 LM-259X-L7	0.34 0.45	39 26	6.6 6.6	0.80 0.62	2 3
SW_-0.20-374 SW_-0.25-256 SW_-0.30-176	LM-259X-L8 LM-259X-L9 LM-259X-L 10	0.20 0.25 0.30	374 256 176	75.9 33.0 26.4	2.70 2.20 1.40	7 8 8	S2	T2
SW_-0.38-118 SW_-0.46-78 SW_-0.56-55	LM-259X-L 11 LM-259X-L 12 LM-259X-L 13	0.38 0.46 0.56	118 78 55	19.8 16.5 13.2	1.20 0.80 0.50	9 8 9
SW_-0.68-39 SW_-0.84-26 SW_-1.02-17	LM-259X-L 14 LM-259X-L 15 LM-259X-L 16	0.68 0.84 1.02	39 26 17	9.9 6.6 6.6	0.30 0.20 0.10	9 9 9
SW_-0.36-375 SW_-0.44-252 SW_-0.54-173	LM-259X-L 17 LM-259X-L 18 LM-259X-L 19	0.36 0.44 0.54	375 252 173	75.9 49.5 36.3	1.30 0.90 0.60	24 24 25	S3	T3
SW_-0.67-115 SW_-0.82-78 SW_-1.0-54	LM-259X-L20 LM-259X-L21 LM-259X-L22	0.67 0.82 1.00	115 78 54	29.7 23.1 16.5	0.40 0.30 0.20	26 26 27
SW_-1.2-38 SW_-1.48-26 SW_-1.81-18	LM-259X-L23 LM-259X-L24 LM-259X-L25	1.20 1.48 1.81	38 26 18	13.2 9.9 9.9	0.10 0.10 0.06	27 28 29
SW_-0.68-377 SW_-0.83-248 SW_-1.02-168	LM-259X-L26 LM-259X-L27 LM-259X-L28	0.68 0.83 1.02	377 248 168	75.9 72.6 56.1	1.00 0.60 0.40	87 85 87	S4	T4
SW_-1.26-112 SW_-1.54-77 SW_-1.87-53	LM-259X-L29 LM-259X-L30 LM-259X-L31	1.26 1.54 1.87	112 77 53	42.9 33.0 26.4	0.30 0.20 0.13	89 91 93
SW_-2.24-37	LM-259X-L32	2.24	37	19.8	0.10	93
SW_-2.74-24	LM-259X-L33	2.74	24	16.5	0.07	90
SW_-3.00-17	LM-259-L34	3.00	17	13.2	0.05	77	S4	C1 - T4
SW_-1.5-250 SW_-1.81-168	LM-259X-L35 LM-259X-L36	1.50 1.81	250 168	72.6 75.9	0.23 0.18	281 275	S6	C3
SW_-2.22-114 SW_-2.70-77 SW_-3.00-53	LM-259X-L37 LM-259X-L38 LM-259X-L39	2.22 2.70 3.00	114 77 53	62.7 52.8 42.9	0.10 0.09 0.08	281 281 239
SW_-3.00-38	LM-259X-L40	3.00	38	29.7	0.05	171
SW_-3.00-25	LM-259X-L41	3.00	25	19.8	0.04	113	S5	T5 - C2
SW_-2.50-167 SW_-3.00-110	LM-259X-L42 LM-259X-L43	2.50 3.00	167 110	75.9 75.9	0.14 0.09	522 495	S6	C4
SW_-3.00-77 SW_-4.50-19	LM-259X-L44 LM-258X-L	3.00 4.50	77 19	59.4 32.0*	0.08 0.02	347 192	S6	C3

*Note: ET_OP for PIN SW_-4.50-19 is based on a frequency of 100kHz. All other items are rated at 150kHz.
Simple Switcher^TM is a trademark of National Semiconductor Corporation.

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Mechanical Layout

Mounting Style	Size Code	Dimensions - Inches ±0.010 (mm ±0.25))
Mounting Style	Size Code	A	B	C	D	E
"S" SMD	S1	0.339 (8.60)	0.339 (8.60)	0.185 (4.70)	0.268 (6.80)	0.378 (9.60)
	S2	0.394 (10.0)	0.394 (10.0)	0.256 (6.50)	0.339 (8.60)	0.402 (10.2)
	S3	0.503 (12.8)	0.503 (12.8)	0.276 (7.00)	0.449 (11.4)	0.512 (13.0)
	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)
"T" TH	T1	0.339 (8.60)	0.339 (8.60)	0.216 (5.50)	0.250 (6.35)	0.250 (6.35)
	T2	0.394 (10.0)	0.394 (10.0)	0.287 (7.30)	0.300 (7.62)	0.300 (7.62)
	T3	0.503 (12.8)	0.503 (12.8)	0.307 (7.80)	0.375 (9.52)	0.375 (9.52)
	T4	0.591 (15.0)	0.591 (15.0)	0.346 (8.80)	0.500 (12.70)	0.299 (7.62)
	T5	0.669 (17.0)	0.701 (17.8)	0.422 (10.71)	0.600 (15.24)	0.400 (10.16)

Mounting Style	Size Code	Dimensions - Inches ±0.01 (mm ±0.25)
Mounting Style	Size Code	C	D	E	X = Coil O.D. +
"C" Vertical Clip Mount	C1	0.580 (14.73)	0.340 (8.64)	0.220 (5.58)	0.110 (2.80)
	C2	0.650 (16.5)	0.449 (11.4)	0.299 (7.60)	0.110 (2.80)
	C3	0.827 (21.0)	0.449 (11.4)	0.299 (7.60)	0.110 (2.80)
	C4	0.949 (24.1)	0.598 (15.2)	0.449 (11.4)	0.110 (2.80)
	C5	1.252 (31.8)	0.701 (17.8)	0.500 (12.7)	0.130 (3.30)

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SW Series Cross Reference for National's 150kHz Simple Switcher^TM

Pulse Engineering - Talema Electronic

Pulse Part Number		National Part Number	Specified L(µH)	Idc (Amps)	Talema Part Number
THT	SMD	National Part Number	Specified L(µH)	Idc (Amps)	SMD	TH-Flat	TH-Vertical
PE-53801 PE-53802	PE-53801S PE-53802S	LM259X-L1 LM259X-L2	259 178	0,13 0,16	SWS-0.13-259 SWS-0.16-178	SWT-0.13-259 SWT-0.16-178
PE-53803 PE-53804 PE-53805	PE-53803S PE-53804S PE-53805S	LM259X-L3 LM259X-L4 LM259X-L5	118 79 55	0,20 0,25 0,30	SWS-0.20-118 SWS-0.25-79 SWS-0.30-55	SWT-0.20-118 SWT-0.25-79 SWT-0.30-55
PE-53806 PE-53807	PE-53806S PE-53807S	LM259X-L6 LM259X-L7	39 26	0,34 0,45	SWS-0.34-39 SWS-0.45-26	SWT-0.34-39 SWT-0.45-26
PE-53808 PE-53809 PE-53810	PE-53808S PE-53809S PE-53810S	LM259X-L8 LM259X-L9 LM259X-L10	374 256	0,20	SWS-0.20-374 SWS-0.25-256 SWS-0.30-176	SWT-0.20-374 SWT-0.25-256 SWT-0.30-176
PE-53811 PE-53812 PE-53813	PE-53811S PE-53812S PE-53813S	LM259X-L11 LM259X-L12 LM259X-L13	118 78 55	0,38 0,46 0,56	SWS-0.38-118 SWS-0.46-78 SWS-0.56-55	SWT-0.38-118 SWT-0.46-78 SWT-0.56-55
PE-53814 PE-53815 PE-53816	PE-53814S PE-53815S PE-53816S	LM259X-L14 LM259X-L15 LM259X-L16	39 26 17	0,68 0,84 1,02	SWS-0.68-39 SWS-0.84-26 SWS-1.02-17	SWT-0.68-39 SWT-0.84-26 SWT-1.02-17
PE-53817 PE-53818 PE-53819	PE-53817S PE-53818S PE-53819S	LM259X-L17 LM259X-L18 LM259X-L19	375 252 173	0,36 0,44 0,54	SWS-0.36-375 SWS-0.44-252 SWS-0.54-173	SWT-0.36-375 SWT-0.44-252 SWT-0.54-173
PE-53820 PE-53821 PE-53822	PE-53820S PE-53821S PE-5322S	LM259X-L20 LM259X-L21 LM259X-L22	115 78 54	0,67 0,82 1,00	SWS-0.67-115 SWS-0.82-78 SWS-1.00-54	SWT-0.67-115 SWT-0.82-78 SWT-1.00-54
PE-53823 PE-53824 PE-53825	PE-53823S PE-53824S PE-53825S	LM259X-L23 LM259X-L24 LM259X-L25	38 26 18	1,20 1,48 1,81	SWS-1.20-38 SWS-1.48-26 SWS-1.81-18	SWT-1.20-38 SWT-1.48-26 SWT-1.81-18
PE-53826 PE-53827 PE-53828	PE-53826S PE-53827S PE-53828S	LM259X-L26 LM259X-L27 LM259X-L28	377 248 168	0,68 0,83 1,02	SWS-0.68-377 SWS-0.83-248 SWS-1.02-168	SWT-0.68-377 SWT-0.83-248 SWT-1.02-168
PE-53829 PE-53830 PE-53831	PE-53829S PE-53830S PE-53831S	LM259X-L29 LM259X-L30 LM259X-L31	112 77 53	1,26 1,54 1,87	SWS-1.26-112 SWS-1.54-77 SWS-1.87-53	SWT-1.26-112 SWT-1.54-77 SWT-1.87-53
PE-53932 PE-53933 PE-53934	PE-53932S PE-53933S PE-53934S	LM259X-L32 LM259X-L33 LM259X-L34	37 24 17	2,24 2,74 3,00	SWS-2.24-37 SWS-2.74-24 SWS-3.00-17	SWT-2.24-37 SWT-2.74-24 SWT-3.00-17	SWC-3.00-17
PE-53935 PE-54036	PE-53935S PE-54036S	LM259X-L35 LM259X-L36	250 168	1,50 1,81	SWS-1.50-250 SWS-1.81-168		SWC-1.50-250 SWC-1.81-168
PE-54037 PE-54038 PE-54039	PE-54037S PE-54038S PE-54039S	LM259X-L37 LM259X-L38 LM259X-L39	114 77 53	2,22 2,70 3,00	SWS-2.22-114 SWS-2.70-77 SWS-3.00-53		SWC-2.22-114 SWC-2.70-77 SWC-3.00-53
PE-54040 PE-54041	PE-54040S PE-54041S	LM259X-L40 LM259X-L41	38 25	3,00 3,00	SWS-3.00-38 SWS-3.00-25	SWT-3.00-25	SWC-3.00-38 SWC-3.00-25
PE-54042 PE-54043	- -	LM259X-L42 LM259X-L43	167 110	2,50 3,00	SWS-2.50-167 SWS-3.00-110		SWC-2.50-167 SWC-3.00-110
PE-54044 PE-53900	PE-54044S -	LM259X-L44 LM258X-L	77 19	3,00 4,50	SWS-3.00-77 SWS-4.50-19		SWC-3.00-77 SWC-4.50-19

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