SH150 Series • Inductors for National's 150kHz Simple Switcher
TM
SH150 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-9001:2000, TS-16949:2002 and
ISO-14001:2004 certified Talema facility
• Meets lead free reflow level J-STD-020C
• Fully RoHS compliant
Electrical Specifications @ 25°C
Test voltage between windings: 500 Vrms
Operating temperature range: -40°C to +125°C
Climatic Category: IEC68-1 40/125/56
Test frequency: Inductance measured @ 10kHz / 10mV
Part Number
National
Part
Number
LM-259X-L1
LM-259X-L2
LM-259X-L3
LM-259X-L4
LM-259X-L5
LM-259X-L6
LM-259X-L7
LM-259X-L8
LM-259X-L9
LM-259X-L10
LM-259X-L11
LM-259X-L12
LM-259X-L13
LM-259X-L14
LM-259X-L15
LM-259X-L16
LM-259X-L17
LM-259X-L18
LM-259X-L19
LM-259X-L20
LM-259X-L21
LM-259X-L22
LM-259X-L23
LM-259X-L24
LM-259X-L25
LM-259X-L26
LM-259X-L27
LM-259X-L28
LM-259X-L29
LM-259X-L30
LM-259X-L31
LM-259X-L32
LM-259X-L33
LM-259X-L34
LM-259X-L35
LM-259X-L36
Rated
Current
(i
DC
)
0.13
0.16
0.20
0.25
0.30
0.34
0.45
0.20
0.25
0.30
0.38
0.46
0.56
0.68
0.84
1.02
0.36
0.44
0.54
0.67
0.82
1.00
1.20
1.48
1.81
0.68
0.83
1.02
1.26
1.54
1.87
2.24
2.74
3.00
1.50
1.81
L
N
(
μ
H)
± 20%
259
178
118
79
55
39
26
374
256
176
118
78
55
39
26
17
375
252
173
115
78
54
38
26
18
377
248
168
112
77
53
37
24
17
250
168
ET
OP
(V-
μ
Sec)
Max.
23.1
16.5
13.2
9.9
6.6
6.6
6.6
75.9
33.0
26.4
19.8
16.5
13.2
9.9
6.6
6.6
75.9
49.5
36.3
29.7
23.1
16.5
13.2
9.9
9.9
75.9
72.6
56.1
42.9
33.0
26.4
19.8
16.5
13.2
72.6
75.9
DCR
(Ohms)
3.40
2.80
1.80
1.50
1.00
0.80
0.62
2.70
2.20
1.40
1.20
0.80
0.50
0.30
0.20
0.10
1.30
0.90
0.60
0.40
0.30
0.20
0.10
0.10
0.06
1.00
0.60
0.40
0.30
0.20
0.13
0.10
0.07
0.05
0.23
0.18
Energy
Storage
(
μ
J)
2
2
2
2
2
2
3
7
8
8
9
8
9
9
9
9
24
24
25
26
26
27
27
28
29
87
85
87
89
91
93
93
90
77
281
275
SH6A
C1 - T4
C3 - TH6A
S4
T4
S3
T3
S2
T2
S1
T1
P ackag e
"S"
" C " & " T"
SH150_-0.13-259
SH150_-0.16-178
SH150_-0.20-118
SH150_-0.25-79
SH150_-0.30-55
SH150_-0.34-39
SH150_--0.45-26
SH150_-0.20-374
SH150_-0.25-256
SH150_-0.30-176
SH150_-0.38-118
SH150_-0.46-78
SH150_-0.56-55
SH150_-0.68-39
SH150_-0.84-26
SH150_-1.02-17
SH150_-0.36-375
SH150_-0.44-252
SH150_-0.54-173
SH150_-0.67-115
SH150_-0.82-78
SH150_-1.0-54
SH150_-1.2-38
SH150_-1.48-26
SH150_-1.81-18
SH150_-0.68-377
SH150_-0.83-248
SH150_-1.02-168
SH150_-1.26-112
SH150_-1.54-77
SH150_-1.87-53
SH150_-2.24-37
SH150_-2.74-24
SH150_-3.00-17
SH150_-1.5-250
SH150_-1.81-168
THE TALEMA GROUP • Magnetic Components for Universal Applications
SH150 Series • Toroidal Inductors for National's 150kHz Simple Switcher
TM
Electrical Specifications at 25°C
Part Number
National
Part
Number
LM-259X-L37
LM-259X-L38
LM-259X-L39
LM-259X-L40
LM-259X-L41
LM-259X-L42
LM-259X-L43
LM-259X-L44
LM-258X-L
Rated
Current
(I
DC
)
2.22
2.70
3.00
3.00
3.00
2.50
3.00
3.00
4.50
L
N
(
μ
H)
±20%
114
77
53
38
25
167
110
77
19
ET
OP
(V-
μ
Sec)
Max.
62.7
52.8
42.9
29.7
19.8
75.9
75.9
59.4
32.0*
DCR
(Ohms)
0.10
0.09
0.08
0.05
0.04
0.14
0.09
0.08
0.02
Energy
Storage
(
μ
J)
281
281
239
171
113
522
495
347
192
S5
SHC7
SH6A
F2 - C2
C4
C3 - TH6A
SH6A
C3 - TH6A
Package
"S"
"C", "T " & "F"
SH150_- 2. 22- 114
SH150_- 2. 70- 77
SH150_- 3. 00- 53
SH150_- 3. 00- 38
SH150_- 3. 00- 25
SH150_- 2. 50- 167
SH150_- 3. 00- 110
SH150_- 3. 00- 77
SH150_- 4. 50- 19
* Not e: ET
O P
f or P/ N SH150_- 4. 50- 19 is based on a f r equency of 100kHz. All ot her it ems ar e r at ed at 150kHz.
Simple Sw it cher
TM
is a t r ademar k of Nat ional Semiconduct or Cor por at ion.
Dimensions
Type SHS - Surface Mount
A
2
Type SHT -Through Hole Mount
Schematic
1
1
D
Talema IN
Date Code
SHT-xx-xx
2
E
A
D
Type SHC - Clip Mount
Schematic
1
B
D
Talema IN
Date Code
SHS-xx-xx
B
2
X
Suggested Pad
Layout
1
D
C
Pad
Width
S1 - S5
0.059
(1.50)
SH6A ,SHC7
0.079
(2.00)
D
Surface Coplanarity will be <0.005(0.13)
Suggested
Board Layout
(Top Side View)
1/2
c
C
0.138
(3.50)
C
Ø 0.024 x 0.138
(Ø 0.60 x 3.50)
E
E
D
E
0.035
(0.90)
Suggested
Board Layout
(Top Side View)
E
0.071
(1.80)
0.047
(1.20)
0.059
(1.50)
E
D
Dimensions - Inches ±0.010 (mm ±0.25)
A
B
0.339
(8.6)
0.441
(11.2)
0.559
(14.2)
0.614
(15.6)
0.701
(17.8)
0.957
(24.3)
1.213
(30.8)
0.339
(8.6)
0.441
(11.2)
0.559
(14.2)
0.614
(15.6)
0.957
(24.3)
C
0.205
(5.2)
0.291
(7.4)
0.327
(8.3)
0.376
(9.6)
0.433
(11.0)
0.402
(10.2)
0.465
(11.8)
0.201
(5.1)
0.280
(7.1)
0.311
(7.9)
0.358
(9.1)
0.386
(9.8)
D
0.268
(6.9)
0.358
(9.1)
0.461
(11.7)
0.508
(12.9)
0.591
(15.0)
0.843
(21.4)
1.100
(27.94)
0.250
(6.35)
0.300
(7.62)
0.375
(9.52)
0.300
(7.62)
0.650
(16.51)
E
0.378
(9.6)
0.433
(11.0)
0.520
(13.2)
0.551
(14.0)
0.630
(16.0)
0.748
(19.0)
0.915
(23.24)
0.250
(6.35)
0.300
(7.62)
0.375
(9.52)
0.500
(12.7)
0.800
(20.32)
0.591 0.69
(15.0) (17.5)
0.490
(12.5)
TALEMA IN
SH150F-XX-XXX
Date Code
0.394
(10.0)
0.67
(17.0)
Mounting
Style
Size
Code
S1
S2
S3
Type SH150F - Flat Mount - Size 2
Schematic
0.138±0.01
(3.5 ±0.3)
1
0.339
(8.6)
0.433
(11.0)
0.551
(14.0)
0.591
(15.0)
0.669
(17.0)
0.925
(23.5)
1.000
(25.4)
0.339
(8.6)
0.433
(11.0)
0.551
(14.0)
0.591
(15.0)
0.925
(23.5)
Suggested
Board Layout
(Top Side View)
0.394
(10.0)
Ø0.024
(Ø0.60)
2
0.591
(15.0)
0.071
(1.80)
0.043
(1.10)
"S"
SMD
S4
S5
SH6A
SHC7
T1
T2
Mounting
Style
Siz e
C ode
C1
Dimensions - Inches ±0.01 (mm ±0.25)
C
0.580
(14.73)
0.650
(16.5)
0.827
(21.0)
0.949
((24.1)
1.252
(31.8)
D
0.340
(8.64)
0.449
(11.4)
0.449
(11.4)
0.598
(15.2)
0.701
(17.8)
E
0.220
(5.58)
0.299
(7.60)
0.299
(7.60)
0.449
(11.4)
0.500
(12.7)
X = Coil O.D. +
0.110
(2.80)
0.110
(2.80)
0.110
(2.80)
0.110
(2.80)
0.130
(3.30)
"T "
TH
T3
T4
TH6A
"C"
Vertical
Clip
Mount
C2
C3
C4
C5
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(10-08) SH150kHz
Automotive Electronics
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