API Delevan 2890 & 2890R User Manual
Series, Molded unshielded rf coils, Rf i nd uc to rs

Actual Size
SERIES
2890R
2890
Molded Unshielded RF Coils
SR
F M
IN
IM
UM
(M
Hz
)
DA
SH
NU
MB
ER
*
IN
DU
CT
AN
CE
(µ
H) ±
10%
Q M
IN
IM
UM
TE
ST
FR
EQ
UE
NC
Y (M
Hz
)
DC
R
ES
IST
AN
CE
MA
XIM
UM
(O
HM
S)
CU
RR
EN
T R
AT
IN
G
MA
XIM
UM
(m
A)
MIL
D
AS
H #
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.
MS91189– SERIES 2890 PHENOLIC CORE (LT4K)
-00K
-02K
-03K
-04K
-06K
-08K
-10K
-12K
-14K
-16K
-18K
-20K
-22K
-24K
-26K
MS75103– SERIES 2890 IRON CORE (LT10K)
-28K
-30K
-32K
-34K
-36K
-38K
-39K
-40K
-42K
-44K
R
F I
nd
uc
to
rs
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: [email protected] • www.delevan.com
M
I L I TA RY
A
P P
R O V E
D
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
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
170
160
140
125
115
100
95
90
80
75
68
60
53
50
45
24
22
19
18
16
14
13
12
12
10
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
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
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
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
10
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
Parts listed above are QPL/MIL qualified
1/2009
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