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

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

525.0

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

± 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%

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

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

0.15

0.22

0.33

0.47

0.56

0.68

0.82

1.00

1.20

1.50

1.80

2.20

2.70

3.30

3.90

4.70

5.60

6.80

8.20

10.0

12.0

15.0

18.0

22.0

24.0

27.0

27.0

30.0

33.0

33.0

36.0

39.0

43.0

47.0

51.0

56.0

62.0

68.0

75.0

82.0

91.0

100.0

110.0

120.0

130.0

150.0

160.0

180.0

200.0

220.0

240.0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

g

9

g

g

10

g

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

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 –55°C to +105°C

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)

Packaging Tape & reel: 12" reel, 2500 pieces max.;

14" reel, 4000 pieces max. For additional packaging

options, see technical section.

Made in the U.S.A.

MS18130– SERIES 1537 PHENOLIC CORE (LT4K)

-00M

-02M

-04M

-06M

-07K

-08K

-10K

-12K

-14K

-16K

-18K

-20K

-22K

-24K

-26K

-28K

MS14046– SERIES 1537 IRON CORE (LT10K)

-30K

-32K

-34K

-36K

-38K

-40K

-42K

-44K

-46J

-47K

-48J

-50J

-51K

-52J

MS90538– SERIES 1537 IRON CORE (LT10K)

-54J

-56J

-58J

-60J

-62J

-64J

-66J

-68J

-70J

-72J

-74J

-76J

-78J

-80J

-82J

-84J

-86J

-88J

-90J

-92J

-94J

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 further surface finish information,

refer to TECHNICAL section of this catalog.

1537R

1537

Molded Unshielded RF Coils

M

I L I TA RY

A

P P R O V E D

Series

PAGE

44

www

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

4/2005