1840R
1840
SERIES
Molded Unshielded RF Coils
MS75008– SERIES 1840 PHENOLIC CORE (LT4K)
21
22
23
g
24
25
26
27
28
29
30
31
32
33
20% 55
20% 55
20% 55
20% 55
20% 55
10% 55
10% 55
10% 55
10% 55
10% 35
10% 35
10% 35
10% 35
10% 35
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
7.9
510
415
350
300
300
270
250
220
200
180
170
150
140
120
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
3050
2820
2360
1860
1860
1670
1520
1240
1050
835
-00M
-02M
-04M
-05M
-06M
-07K
-08K
-09K
-10K
-11K
-12K
-13K
-14K
-16K
0.15
0.22
0.33
0.39
0.47
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
Actual Size
7.9
7.9
7.9
7.9
755
610
555
525
MS75101– SERIES 1840 IRON CORE (LT10K)
10% 35
10% 35
10% 35
10% 35
10% 35
10% 35
10% 35
10% 50
10% 55
10% 60
10% 60
10% 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
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
-18K
-20K
-22K
-24K
-26K
-28K
-30K
-32K
-34K
-35K
-36K
-38K
1
2
3
4
5
6
7
8
9
3.30
3.90
4.70
5.60
6.80
8.20
10.0
12.0
15.0
18.0
22.0
27.0
Military Specifications
MS75008 (LT4K); MS75101 (LT10K)
10
11
12
Physical Parameters
Inches
Millimeters
Length
Diameter
0.437 0.010
0.187 0.010
11.10 0.25
4.75 0.25
Parts listed above are QPL/MIL qualified
Lead Size
AWG #22 TCW
Lead Length
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
0.025 0.002
1.44 0.12
0.635 0.051
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
–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.
.
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