250
250
250
250
250
250
250
250
250
250
250
250
79
79
79
79
79
79
79
79
79
79
79
79
25
SRF Typical (MHz)
CURRENT RATING
MAXIMUM (Amps)
DC RESISTANCE
MAXIMUM (OHMS)
DASH NUMBER*
INDUCTANCE
(mH) ±25%
TEST FREQUENCY (KHz)
Q Typical
INCREMENTAL
CURRENT (Amps)
0.025
0.024
0.023
0.022
0.020
0.018
0.017
0.016
0.015
0.013
0.012
0.011
0.010
0.009
0.008
0.007
0.006
0.006
0.005
0.005
0.004
0.003
0.003
0.002
0.002
0.500
0.480
0.460
0.420
0.400
0.330
0.300
0.280
0.260
0.220
0.180
0.170
0.160
0.150
0.140
0.120
0.100
0.095
0.090
0.085
0.080
0.070
0.060
0.055
0.050
0.50
0.57
0.65
0.70
0.79
1.25
1.50
1.70
1.85
2.60
4.00
4.50
5.25
5.75
6.40
9.25
13.0
14.5
16.0
18.0
19.0
27.0
35.0
43.0
50.0
1.60
1.50
1.40
1.30
1.20
1.00
0.85
0.75
0.70
0.65
0.55
0.50
0.45
0.40
0.35
0.30
0.28
0.26
0.25
0.22
0.20
0.19
0.18
0.16
0.15
100
100
100
100
100
100
100
100
100
100
100
100
150
150
150
150
150
150
140
140
130
130
120
120
150
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
Physical Parameters
Inches Millimeters
A 0.435 to 0.465 11.05 to 11.81
B 0.385 to 0.405 9.78 to 10.29
C 0.375 to 0.405 9.53 to 10.29
D 0.205 to 0.235 5.21 to 5.97
E (8 places) 0.028 typ. 0.71 typ.
F (6 places) 0.079 typ. 2.00 typ.
Termination
Pin 1 = Finish; Pin 4 = Start; others, no connection
Operating Temperature Range
–
20°C to +80°C
Maximum Power Dissipation at 25°C 0.140 W
Incremental Current
Maximum DC Current which will cause less than a
25% decrease in inductance, from the zero DC
current inductance.
Current Rating
Current which will cause less than a +35°C
temperature rise maximum, from +25°C Ambient
Packaging Tape & reel (24mm): 13" reel, 600 pieces
max.; 7" reel not available
Made In the U.S.A.
Pad Dimensions
Inches Millimeters
C 0.430 10.92
G 0.368 9.35
X 0.062 1.57
Y 0.079 2.01
Z 0.492 12.50
SERIES 4494
-105
-125
-155
-185
-225
-275
-335
-395
-475
-565
-685
-825
-106
-126
-156
-186
-226
-276
-336
-396
-476
-566
-686
-826
-107
*Complete part # must include series # PLUS the dash #
For further surface finish information,
refer to TECHNICAL section of this catalog.
4494R
4494
Surface Mount Inductors
Series
PAGE
40
www
.delevan.com
E-mail: apisales@delevan
.
com
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814
4/2005
RF INDUCTORS
