API 2890, 2890R User Manual

SERIES

M

I

L

I

T

A

R

Y

A

P

P

R

O

V

E

D

Molded Unshielded RF Coils

Actual Size

Military Specifications

MS91189 (LT4K); MS75103(LT10K)

Physical Parameters

Inches Millimeters
Length 0.900 ± 0.010 22.86 ± 0.25
Diameter 0.280 ± 0.010 7.11 ± 0.25
Lead Size

AWG #21 TCW 0.028 ± 0.002 0.711 ± 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 0.598 W
LT10K 0.256 W

Weight Max. (Grams) 3.9

Marking DELEVAN; inductance with units and tolerance;

date code (YYWWL). Note: An R before the date code
indicates a RoHS component.

Example: 2890R-16F

Front: Reverse:

DELEVAN 6.8uH±1%

6.8uH±1% R 0518B

Packaging Tape & reel: 12" reel, 800 pieces max.; 14"
reel, 1300 pieces max.

Made in the U.S.A.

2890

2890R

RF Inductors

2400
2190
1790
1640
1400
1190

980
880
760
640
555
475
405
365
320

815
750
595
550
445
410
325
305
279
219

H

)

±

1

0

%

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

Q

T

EST

MIN

1.2

F

IMU

SR

R

EQ

U

EN

C

Y (

MH

M

60
60
60
60
60
60
60
60
60
60
60
60
40
40
40

50
45
60
55
65
65
75
75
75
95

F

z)

MIN

IMU

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

M (

MA

MH

XIMU

z)

D

C

M (

R

170
160
140
125
115
100

ESIS
O

95
90
80
75
68
60
53
50
45

24
22
19
18
16
14
13
12
12
10

CURRENT RATING

MAXIMUM (mA)

TANCE

H

M

S)

0.075

0.090

0.135

0.160

0.220

0.305

0.450

0.560

0.745

1.05

1.40

1.90

2.65

3.25

4.15

0.295

0.35

0.55

0.65

1.00

1.15

1.85

2.10

2.50

4.10

IN

D

U

C

T

D

A

S

H

N

U

MB

E

R

-00K

-02K

-03K

-04K

-06K

-08K

-10K

-12K

-14K

-16K

-18K

-20K

-22K

-24K

-26K

-28K

-30K

-32K

-34K

-36K

-38K

-39K

-40K

-42K

-44K

A

N

C

MIL

*

E (

D

µ

A

SH

#

MS91189– SERIES 2890 PHENOLIC CORE (LT4K)

14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

MS75103– SERIES 2890 IRON CORE (LT10K)

1
2
3
4
5
6
7
8
9

10

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

270 Quaker Rd., East Aurora NY 14052 • Phone [phone] • Fax [phone] • E-mail: [e-mail] • www.delevan.com

1/2009