SRF MINIMUM (MHz)
CURRENT RATING
MAXIMUM (mA)
DC RESISTANCE
MAXIMUM (OHMS)
TEST FREQUENCY (MHz)
Q MINIMUM
INDUCTANCE (µH)
TOLERANCE
MIL D ASH #
DASH NUMBER*
1380
1300
1230
1120
1040
975
830
710
660
550
500
420
390
620
560
480
415
355
285
263
239
195
185
160
144
160
157
149
144
140
130
125
110
100
92
88
84
66
61
57
52
47
45
40
36
35
30
29
28
3800
2200
2000
1900
1800
1700
1500
1400
0.08
0.09
0.10
0.12
0.14
0.16
0.22
0.30
0.35
0.50
0.60
0.85
1.00
0.18
0.22
0.30
0.40
0.55
0.85
1.00
1.20
1.80
2.00
2.70
3.30
2.70
2.80
3.10
3.30
3.50
3.40
3.60
4.50
5.70
6.70
7.30
8.00
13.00
15.00
17.00
21.00
25.00
28.00
35.00
42.00
46.00
60.00
65.00
72.00
0.010
0.030
0.035
0.040
0.045
0.050
0.060
0.070
680.0
640.0
600.0
550.0
510.0
430.0
410.0
365.0
330.0
300.0
275.0
250.0
230.0
150.0
140.0
125.0
115.0
100.0
90.0
80.0
75.0
65.0
60.0
55.0
50.0
40.0
35.0
30.0
25.0
20.0
24.0
22.0
20.0
18.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.5
6.0
5.0
4.2
3.8
3.4
900.0
875.0
850.0
825.0
800.0
775.0
750.0
725.0
25.0
25.0
25.0
25.0
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
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
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
50.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
40
40
38
35
33
33
30
30
30
30
28
28
25
25
28
30
30
37
45
45
45
50
50
55
55
45
45
50
50
50
45
45
45
45
50
50
50
30
30
30
30
30
30
30
30
30
30
30
30
50
40
40
40
40
40
40
40
1
2
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
0.10
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
Military Specifications (1025 Series Only)
MS75083 (LT4K); MS75084 (LT10K); MS75085
(LT10K)
Physical Parameters
Inches Millimeters
Length 0.250 ± 0.010 6.35 ± 0.25
Diameter 0.095 ± 0.010 2.41 ± 0.25
Lead Size
AWG #24 TCW 0.020 ± 0.0015 0.508 ± 0.038
Lead Length 1.5 ± 0.12 38.1 ± 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
Phenolic: LT4K 0.21 W
Iron: LT10K 0.09 W
F errite: LT10K 0.073 W
W eight Max. (Gr ams) 0.3
• For in-between values see Series 1782 (page 41)
Note (1026 Series only) Self Resonant Frequency
(SRF) values are calculated and for reference only.
P ackaging Tape & reel: 12" reel, 3500 pieces max.;
14" reel, 6000 pieces max. F or additional packaging
options, see technical section.
*Complete part # must include series # PLUS the dash #
For further surface finish information,
refer to TECHNICAL section of this catalog.
Made in the U.S.A.
MS75083– SERIES 1025 PHENOLIC CORE (LT4K)
-94K
-96K
-00K
-02K
-04K
-06K
-08K
-10K
-12K
-14K
-16K
-18K
-20K
MS75084– SERIES 1025 IRON CORE (LT10K)
-22K
-24K
-26K
-28K
-30K
-32K
-34K
-36K
-38K
-40K
-42K
-44K
-46K
-48K
-50K
-52K
-54K
MS75085– SERIES 1025 FERRITE CORE (LT10K)
-56K
-58K
-60K
-62K
-64K
-66K
-68K
-70K
-72K
-74K
-76K
-78K
-80K
-82K
-84K
-86K
-88K
-90K
-92K
Parts listed above are QPL/MIL qualified
SERIES 1026 PHENOLIC CORE (LT4K)
-00M
-02K
-04K
-06K
-08K
-10K
-12K
-14K
Optional Tolerances: J = 5% H = 3% G = 2% F = 1%
1025R, 1026R
1025 1026
Molded Unshielded RF Coils
Series
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
PAGE
42
www.delevan.com
E-mail: apisales@delev an.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
4/2005
RF INDUCTORS
