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

Ferrite: LT10K 0.073 W

Weight Max. (Grams) 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.

Packaging Tape & reel: 12" reel, 3500 pieces max.;

14" reel, 6000 pieces max. For 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%

1025

1026

Molded Unshielded RF Coils

Series

M

I L I TA RY

A

P P R O V E D

PAGE

42

www

270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814

4/2005