
SERIES
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
Molded Unshielded RF Coils
Actual Size
1840
1840R
T
EST
IN
E
R
MIL
D
*
-00M
-02M
-04M
-05M
-06M
-07K
-08K
-09K
-10K
-11K
-12K
-13K
-14K
-16K
D
U
C
A
SH
#
TO
T
A
N
C
E (
µ
H
)
MS75008– SERIES 1840 PHENOLIC CORE (LT4K)
21
0.15
22
0.22
23
0.33
g
0.39
24
0.47
25
0.56
26
0.68
27
0.82
28
1.00
29
1.20
30
1.50
31
1.80
32
2.20
33
2.70
D
A
S
H
N
U
MB
F
Q
L
MIN
ER
A
N
C
E
± 20%
± 20%
± 20%
± 20%
± 20%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
R
EQ
IMU
SR
U
EN
C
Y (
MH
M
55
55
55
55
55
55
55
55
55
35
35
35
35
35
F
z)
MIN
IMU
25.0
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
M (
MA
MH
XIMU
z
)
D
C
R
M (
510
415
350
300
300
270
250
220
200
180
170
150
140
120
CURRENT RATING
MAXIMUM (mA)
ES
ISTANCE
O
HMS)
0.030
0.035
0.050
0.080
0.080
0.100
0.120
0.180
0.250
0.400
0.485
0.740
0.900
1.100
RF Inductors
3050
2820
2360
1860
1860
1670
1520
1240
1050
835
755
610
555
525
Military Specifications
MS75008 (LT4K); MS75101 (LT10K)
Physical Parameters
Inches Millimeters
Length 0.437 ± 0.010 11.10 ± 0.25
Diameter 0.187 ± 0.010 4.75 ± 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
LT10K
55°C to +125°C;
–
55°C to +105°C
Maximum Power Dissipation at 90°C
LT4K 0.385 W
LT10K 0.165 W
Weight Max. (Grams) 0.95
Marking DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 1840R-18K
Front: Reverse:
DELEVAN 3.3uH±10%
3.3uH±10% R 0910A
Packaging Tape & reel: 12" reel, 2500 pieces max.; 14"
reel, 3000 pieces max.
g No MS # Issued
Made in the U.S.A.
-18K
-20K
-22K
-24K
-26K
-28K
-30K
-32K
-34K
-35K
-36K
-38K
MS75101– SERIES 1840 IRON CORE (LT10K)
1
3.30
2
3.90
3
4.70
4
5.60
5
6.80
6
8.20
7
10.0
8
12.0
9
15.0
10
18.0
11
22.0
12
27.0
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
35
35
35
35
35
35
35
50
55
60
60
65
7.9
7.9
7.9
7.9
7.9
7.9
7.9
2.5
2.5
2.5
2.5
2.5
70
65
60
50
50
48
42
36
30
30
24
22
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
0.120
0.155
0.210
0.280
0.375
0.400
0.600
0.850
1.200
1.800
2.000
2.750
1020
900
775
670
580
560
455
385
324
265
251
214
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