SRF MINIMUM (MHz)**
DASH NUMBER*
MIL DASH # (Ref.)
INDUCTANCE (µH)
TOLERANCE
Q MINIMUM
TEST FREQUENCY (MHz)
DC RESISTANCE
MAXIMUM (OHMS)
CURRENT RATING
MAXIMUM (mA)
3000
3000
3000
3000
3000
3000
3000
3000
3000
3000
2500
2200
2200
2000
1800
1600
1500
1400
1300
1150
1000
900
800
750
700
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.030
0.040
0.040
0.050
0.060
0.070
0.080
0.100
0.120
0.150
0.200
0.250
0.300
0.350
0.400
1000
1000
1000
1000
900
800
750
700
650
600
550
500
450
400
350
320
300
280
260
240
220
200
180
160
150
150
150
150
150
100
100
100
100
100
100
100
100
50
50
50
50
50
50
50
50
50
50
50
50
50
60
60
60
60
60
60
60
60
60
60
60
60
80
80
80
80
80
80
80
80
80
70
70
70
70
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 20%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0.010
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
0.100
0.120
0.150
0.180
0.220
0.270
0.330
0.390
0.470
0.560
0.680
0.820
1.000
Military Specification MS-21423 (ref .)
Mechanical Configuration Units are radial leaded
and encapsulated in an epo xy molded package.
Physical Parameters
Inches Millimeters
A 0.200 to 0230 5.08 to 5.84
B 0.190 to 0.210 4.83 to 5.33
C 0.090 to 0.110 2.29 to 2.79
D 0.090 to 0.110 2.29 to 2.79
E 1.00 Min. 25.4 Min.
F 0.0185 to 0.0215 0.470 to 0.546
Operating Temperature –55°C to +125°C
Current Rating at 90°C Ambient 35°C Rise
Maximum Power Dissipation at 90°C 0.200 W
Note Inductance measured 0.25" from body.
Weight Max. (Grams) 0.5
P ackaging Bulk only
Made in the U.S.A.
*** Note: Self Resonant Frequency (SRF) v alues
above 250 MHz are calculated and f or reference only.
MS21423 (Ref.) – SERIES 4445
-01M
-02M
-03M
-04M
-05M
-06M
-07M
-08M
-09M
-10M
-11M
-12M
-13K
-14K
-15K
-16K
-17K
-18K
-19K
-20K
-21K
-22K
-23K
-24K
-25K
Optional Tolerances: J = 5% H = 3% G = 2%
(Dash 01-12 Min. Tolerance is ±5%)
*Complete part # must include series # PLUS the dash #
For further surface finish information,
refer to TECHNICAL section of this catalog.
4445R
4445
Radial Tor oidal Inductor s
Series
PAGE
60
www.delevan.com
E-mail: apisales@delev an.com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
7/2004
RF INDUCTORS