
SERIES
Axial Lead Power Inductors
Actual Size
Mechanical Configuration Units are axial leaded for
thru-hole mounting, encapsulated in an epoxy molded
case. High resistivity ferrite core, allows for high inductance
with low DC resistance.
Physical Parameters
Inches Millimeters
Length 0.740 ± 0.010 18.80 ± 0.25
Diameter 0.240 ± 0.010 6.10 ± 0.25
Lead Size
AWG #20 TCW 0.032 ± 0.002 0.813 ± 0.051
Lead Length 1.44 ± 0.12 36.58 ± 3.05
Operating Temperature Range –55°C to +125°C
Current Rating 40°C Rise over 85°C Ambient
Maximum Power Dissipation at 85°C 0.50 W
Inductance Measured at 1 V with no DC current
Incremental Current The current at which the inductance
will be decreased by a maximum of 5% from its initial zero
DC value.
Weight Max. (Grams) 2.5
Marking DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 2474R-02K
Front: Reverse:
DELEVAN 0902A
1.2uH±10%
Packaging Tape & reel: 12" reel, 1000 pieces max.; 14"
reel, 1500 pieces max. For additional packaging options,
see technical section.
Made in the U.S.A.
2474
2474R
D
A
S
H
N
U
MB
E
-01L
-02L
-03L
-04L
-05L
-06L
-07L
-08L
-09L
-10L
-11L
-12L
-13L
-14L
-15L
-16L
-17L
-18L
-19L
-20L
-21L
-22L
-23L
-24L
-25L
-26L
-27L
-28L
-29L
-30L
-31L
-32L
-33L
-34L
-35L
-36L
-37L
-38L
-39L
-40L
-41L
-42L
-43L
-44L
-45L
-46L
-47L
-48L
-49L
-50L
-51L
-52L
IN
D
U
C
T
A
N
(
µ
H
R
*
C
E @ 1
)
±
k
1
5
%
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
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
1800.0
2200.0
2700.0
3300.0
3900.0
4700.0
5600.0
6800.0
8200.0
10000.0
12000.0
15000.0
18000.0
MA
D
C
XIMU
R
ESIST
M (
O
H
H
z
SERIES 2474 FERRITE CORE
MS)
1.0
C
MA
XIMU
A
N
C
E
0.009
0.010
0.011
0.012
0.013
0.014
0.016
0.017
0.022
0.024
0.026
0.028
0.033
0.037
0.040
0.044
0.050
0.070
0.075
0.084
0.104
0.130
0.145
0.152
0.208
0.283
0.330
0.362
0.505
0.557
0.650
0.770
1.03
1.14
1.50
1.98
2.30
2.55
3.00
4.00
4.40
5.80
6.56
8.63
10.1
11.2
15.0
20.8
23.4
26.0
36.0
40.0
EN
A
T
R
MPS)
AT
C
IN
G
6.27
5.95
5.67
5.43
5.22
5.03
4.70
4.56
4.01
3.84
3.69
3.55
3.27
3.09
2.97
2.84
2.66
2.25
2.17
2.05
1.84
1.65
1.56
1.53
1.30
1.12
1.04
0.99
0.84
0.80
0.74
0.68
0.59
0.56
0.49
0.42
0.39
0.37
0.34
0.30
0.28
0.25
0.23
0.20
0.19
0.18
0.15
0.13
0.12
0.12
0.10
0.09
U
R
INCREMENTAL
RENT (AMPS)
U
R
R
M (
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
Power Inductors
6.4
5.8
5.2
4.8
4.3
3.9
3.5
3.2
2.9
2.7
2.5
2.2
2.0
1.8
1.6
1.5
1.4
1.2
1.1
1.0
0.93
0.85
0.77
0.71
0.64
0.58
0.52
0.48
0.43
0.39
0.35
0.32
0.29
0.27
0.25
0.22
0.20
0.18
0.16
0.15
0.14
0.12
0.11
0.10
0.09
0.09
0.08
0.07
0.06
0.06
0.05
0.05
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
1/2009