SERIES
Low Loss Surface Mount Power Toroid
Actual Size
Physical Parameters
Inches Millimeters
A 0.475 ± 0.020 12.07 ± 0.50
B 0.420 ± 0.020 10.67 ± 0.50
C 0.290 Max. 7.37 Max.
D 0.400 Ref. 7.62 Ref.
E 0.075 Ref. 1.91 Max.
F 0.375 ± 0.020 9.53 ± 0.50
Operating Temperature Range –40°C to +125°C
Power Dissipation 0.285 Max. (Watts)
Weight Max. (Grams) 2.00
Packaging Bulk only
Current Rating Based on a 35° C max. rise from 90°C
ambient.
LLST
LLSTR
IN
D
H
N
U
MB
U
E
R
*
LLST4R7
LLST10
LLST15
LLST18
LLST22
LLST25
LLST27
LLST33
LLST47
LLST75
LLST100
LLST125
LLST140
LLST150
LLST175
LLST200
LLST220
LLST270
LLST300
LLST350
LLST400
LLST450
LLST500
D
A
S
R
C
, 1
0
C
%
T
A
N
C
E @ 1
(
µ
H
)
±
k
1
5
%
For surface finish information, refer to www.delevanfinishes.com
IN
A
C
D
IN
A
C
D
R
C
EMEN
Induc
H
z
4.7
10
15
18
22
25
27
33
47
75
100
125
140
150
175
200
220
270
300
350
400
450
500
EMEN
, 2
0
%
Induc
T
A
L C
ta
nc
e
SERIES LLST HIGH SATURATION CORE
T
A
L C
ta
T
4.00
U
nc
e
Los
U
R
R
Los
EN
s
2.80
2.10
1.90
1.70
1.60
1.40
1.30
1.00
0.80
0.80
0.64
0.56
0.56
0.54
0.46
0.46
0.46
0.38
0.36
0.28
0.28
0.26
*Insert ‘R’ Designator for RoHS
SR
F
MIN
IMU
R
R
EN
T
s
6.10
4.10
3.20
3.00
2.80
2.60
2.30
2.20
1.80
1.40
1.40
1.10
0.98
0.98
0.90
0.80
0.80
0.78
0.68
0.62
0.50
0.50
0.50
D
C
R
(
O
H
MS)
M (
MH
z)
45.0
40.0
35.0
25.0
20.0
15.0
12.0
10.0
8.0
7.0
6.0
5.0
4.0
3.5
3.2
3.0
2.5
2.0
1.9
1.8
1.7
1.5
MA
50.0
CURRENT RATING
ADC MAXIMUM
XIMU
M
0.050
0.055
0.060
0.070
0.080
0.080
0.080
0.120
0.180
0.250
0.250
0.250
0.260
0.325
0.400
0.400
0.500
0.500
0.625
0.700
0.850
1.000
Material High Saturation Nickel/Iron Core.
Inductance Tested at an AC drive level which does not affect the initial
permeability of the core, the DC drive level was 0 amps.
Incremental Current The DC current which reduces the inductance
value to the percentage drop tabulated.
Inductor Base Formed from a high temperature thermoplastic capable of
withstanding approx. 600°F for short periods of time.
Marking API, Inductance, and Date Code.
0.035
Power Inductors
2.600
2.250
2.150
2.050
1.900
1.780
1.780
1.780
1.450
1.190
1.000
1.000
1.000
0.985
0.890
0.795
0.795
0.710
0.710
0.650
0.600
0.550
0.500
For more detailed graphs, contact factory
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009
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