Instruction Manual

Actual Size
D
A
S
H
N
U
MB
E
R
*
IN
D
U
C
T
A
N
C
E @ 1
k
H
z
(
µ
H
)
±
1
5
%
C
U
R
R
EN
T
R
AT
IN
G
MA
XIMU
M (
A
MPS)
INCREMENTAL
C
U
R
RENT (AMPS)
D
C
R
ESIST
A
N
C
E
MA
XIMU
M (
O
H
MS)
SERIES
2256R
2256
Axial Lead Power Choke
Mechanical Configuration Units are axial leaded
encapsulated in an epoxy molded case.
Physical Parameters
Inches Millimeters
Length 0.550 to 0.570 14.00 to 14.48
Diameter 0.205 to 0.225 5.21 to 5.72
Lead Size
AWG #21 TCW 0.026 to 0.030 0.66 to
0.76
Lead Length 1.25 Min. 31.75 Min.
Operating Temperature –55°C to +125°C
Current Rating at 80°C Ambient 45°C Rise
Maximum Power Dissipation at 80°C 0.44 W
Incremental Current The current at which the inductance
will be decreased by a maximum of 5% from its initial zero
DC value.
Marking DELEVAN; inductance with units and tolerance;
date code (YYWWL). Note: An R before the date code
indicates a RoHS component.
Example: 2256-16J
Front: Reverse:
DELEVAN 0920B
18uH±5%
Packaging Tape & reel: 12" reel, 1000 pieces max.;
14" reel, 1500 pieces max.
Made in the U.S.A.
Power Inductors
270 Quaker Rd., East Aurora NY 14052 • Phone [phone] • Fax [phone] • E-mail: apisales@delevan
.
com • www.delevan.com
SERIES 2256 FERRITE CORE
-221L
-271L
-331L
-391L
-471L
-561L
-681L
-821L
-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
-53L
7.00
6.75
6.50
6.25
6.00
5.80
5.70
5.60
5.50
4.69
4.45
4.34
3.70
3.41
3.23
3.07
2.90
2.79
2.61
2.51
2.36
2.24
2.11
1.82
1.61
1.48
1.33
1.12
1.04
1.00
0.97
0.81
0.76
0.73
0.63
0.53
0.50
0.47
0.39
0.38
0.35
0.33
0.30
0.26
0.24
0.200
0.178
0.157
0.141
0.131
0.126
0.110
0.103
0.100
0.080
0.077
0.071
0.065
0.061
0.052
0.050
7.00
6.75
6.50
6.25
6.00
5.80
5.70
5.60
5.50
4.69
4.45
4.34
3.70
3.41
3.23
3.07
2.90
2.79
2.61
2.51
2.36
2.24
2.11
1.82
1.61
1.48
1.33
1.12
1.04
1.00
0.97
0.81
0.76
0.73
0.63
0.53
0.50
0.47
0.39
0.38
0.35
0.33
0.30
0.26
0.24
0.200
0.178
0.157
0.141
0.131
0.126
0.110
0.103
0.100
0.080
0.077
0.071
0.065
0.061
0.052
0.050
0.0080
0.0085
0.0090
0.0095
0.0100
0.0105
0.0110
0.0120
0.013
0.018
0.020
0.021
0.029
0.034
0.038
0.042
0.047
0.051
0.058
0.063
0.071
0.079
0.089
0.119
0.152
0.179
0.222
0.315
0.362
0.397
0.418
0.604
0.672
0.735
0.913
1.370
1.580
1.770
2.510
2.730
3.250
3.750
4.310
6.040
6.900
10.00
12.50
16.00
20.00
23.00
25.00
33.00
37.00
40.00
62.00
66.00
74.00
93.00
105.0
143.0
160.0
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.20
2.70
3.30
3.90
4.70
5.60
6.80
8.20
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
120
150
180
220
270
330
390
470
560
680
820
1000
1200
1500
1800
2200
2700
3300
3900
4700
5600
6800
8200
10000
12000
15000
18000
22000
Optional Tolerances: K = 10% J = 5%
*Complete part # must include series # PLUS the dash #
For surface finish information,
refer to www.delevanfinishes.com
1/2009
API_newlayouts_single:APIcatalog_newlayouts 8/26/10 12:10 PM Page 93