SERIES
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
Molded Unshielded RF Coils
Actual Size
Military Specifications MS14046 (LT10K); MS18130
(LT4K); MS90538 (LT10K);
g No MS # Issued
Physical Parameters
Inches Millimeters
Length 0.375 ± 0.010 9.53 ± 0.25
Diameter 0.156 ± 0.010 3.96 ± 0.25
Lead Size
AWG #22 TCW 0.025 ± 0.002 0.635 ± 0.051
Lead Length 1.44 ± 0.12 36.58 ± 3.05
Current Rating at 90°C Ambient
LT4K 35°C Rise
LT10K 15°C Rise
Operating Temperature Range
LT4K
–
55°C to +125°C;
–
LT10K
Maximum Power Dissipation at 90°C
LT4K 0.312 W
LT10K 0.134 W
Weight Max. (Grams) 0.9
• For in-between values, see Series 511 (page 44)
Marking DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 1537-00J
Front: Reverse:
DELEVAN .15uH±5%
.15uH±5% 0841A
Packaging Tape & reel: 12" reel, 2500 pieces max.; 14"
reel, 4000 pieces max.
Made in the U.S.A.
55°C to +105°C
1537
1537R
T
EST
IN
E
R
MIL
D
*
-00M
-02M
-04M
-06M
-07K
-08K
-10K
-12K
-14K
-16K
-18K
-20K
-22K
-24K
-26K
-28K
-30K
-32K
-34K
-36K
-38K
-40K
-42K
-44K
-46J
-47K
-48J
-50J
-51K
-52J
-54J
-56J
-58J
-60J
-62J
-64J
-66J
-68J
-70J
-72J
-74J
-76J
-78J
-80J
-82J
-84J
-86J
-88J
-90J
-92J
-94J
D
U
C
A
SH
#
TO
T
A
N
C
E (
µ
H
)
MS18130– SERIES 1537 PHENOLIC CORE (LT4K)
0.15
1
0.22
2
0.33
3
0.47
4
0.56
5
0.68
6
0.82
7
1.00
8
1.20
9
1.50
10
1.80
11
2.20
12
2.70
13
3.30
14
3.90
15
4.70
16
MS14046– SERIES 1537 IRON CORE (LT10K)
1
5.60
2
6.80
3
8.20
4
10.0
5
12.0
6
15.0
7
18.0
8
22.0
g
24.0
9
27.0
g
27.0
g
30.0
10
33.0
g
33.0
MS90538– SERIES 1537 IRON CORE (LT10K)
1
36.0
2
39.0
3
43.0
4
47.0
5
51.0
6
56.0
7
62.0
8
68.0
9
75.0
10
82.0
11
91.0
12
100.0
13
110.0
14
120.0
15
130.0
16
150.0
17
160.0
18
180.0
19
200.0
20
220.0
21
240.0
D
A
S
H
N
U
MB
F
Q
L
MIN
ER
A
N
C
E
± 20%
± 20%
± 20%
± 20%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 5%
± 10%
± 5%
± 5%
± 10%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
R
EQ
IMU
SR
U
EN
C
Y (
MH
M
50
50
45
45
50
50
50
50
33
33
33
33
33
33
33
33
45
50
50
55
65
65
75
75
60
60
60
65
65
65
60
60
60
55
55
55
55
55
55
50
50
50
60
65
65
65
65
65
65
65
65
F
MIN
z)
IMU
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
M (
MA
MH
XIMU
z
)
450.0
360.0
310.0
280.0
250.0
220.0
200.0
180.0
160.0
150.0
135.0
120.0
110.0
100.0
90.0
60.0
55.0
50.0
45.0
42.0
40.0
34.0
30.0
26.0
25.0
25.0
21.0
19.0
19.0
15.5
14.5
13.7
13.0
12.7
12.0
11.5
11.0
10.5
10.3
10.0
9.5
8.9
8.7
8.5
8.0
7.5
7.0
6.5
6.2
5.9
D
C
R
M (
525.0
CURRENT RATING
MAXIMUM (mA)
ES
ISTANCE
O
HMS)
0.03
0.055
0.09
0.12
0.135
0.15
0.22
0.29
0.42
0.50
0.65
0.95
1.20
2.00
2.30
2.60
0.32
0.50
0.60
0.90
1.10
1.40
2.25
2.50
2.50
2.60
2.60
2.80
3.00
3.00
2.50
2.60
2.70
2.75
2.85
3.00
3.15
3.30
3.70
3.90
4.30
4.50
4.90
5.20
5.45
6.05
6.40
6.75
7.10
7.45
7.80
RF Inductors
2740
2020
1580
1370
1290
1220
1020
880
730
670
590
485
430
335
310
294
565
450
410
335
305
271
213
202
202
198
198
191
185
185
202
198
194
193
189
184
180
176
166
162
154
151
144
140
137
130
126
123
120
117
115
Parts listed above are QPL/MIL qualified
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
*Complete part # must include series # PLUS the dash #
For surface finish information, refer to www.delevanfinishes.com
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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