
SERIES
High Current Power Line Chokes
Actual Size
Physical Parameters
Inches Millimeters
A 0.775 ± 0.025 19.6 ± 0.6
B (C/L to C/L) See Characteristics table
C 0.750 Min. 19.05 Min.
D 0.815 ± 0.015 20.7 ±.4
E (Ref. only) 0.195 Max. 4.95 Max.
F Clearance Hole for 4/40 Screw
Leads Tinned to within 1/16" of Body
Inductance Measured @ 1 KHz with 0 Amps dc
Mechanical Configuration Center hole allows for
mechanical mounting; insulated bobbins.
Operating Temperature
–55°C to +125°C;
–55°C to +80°C @ full rated current
Current Rating at 80°C Ambient 45°C Rise
Incremental Current Minimum current which causes a
5% max. change in Inductance
Power Dissipation at 80°C 1.400 Watts Max.
Dielectric Withstanding Voltage 1000 V RMS Min.
Marking DELEVAN; DC780; dash number with tolerance
letter. Note: An R after DC780 indicates a RoHS
component.
Example: DC780R-103K
DELEVAN
DC780R
103K
Packaging Bulk only
DC780
DC780R
MA
XIMU
IN
D
D
U
A
C
S
T
H
A
N
U
MB
N
N
O
C
MIN
E (
E
µ
R
H
*
-102L
-122L
-152L
-182L
-222L
-272L
-332L
-392L
-472L
-562L
-682L
-822L
-103K
-123K
-153K
-183K
-223K
-273K
-333K
-393K
-473K
-563K
-683K
-823K
-104K
-124K
-154K
-184K
-224K
-274K
-334K
-394K
-474K
-564K
-684K
-824K
-105K
-125K
-155K
-185K
-225K
For surface finish information, refer to www.delevanfinishes.com
M (
O
H
T
O
L
ER
A
N
C
A
)
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
120
150
180
220
270
330
390
470
560
680
820
1,000
1,200
1,500
1,800
2,200
E
L
*Complete part # must include series # PLUS the dash #
D
C
R
ESIST
MS)
@ 2
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 15%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
± 10%
C
MA
U
R
R
XIMU
EN
T
M (
R
A
A
N
5
0.003
0.003
0.003
0.003
0.004
0.005
0.005
0.005
0.005
0.006
0.007
0.007
0.009
0.009
0.013
0.018
0.019
0.026
0.029
0.030
0.035
0.039
0.053
0.060
0.080
0.090
0.098
0.110
0.150
0.213
0.305
0.320
0.355
0.388
0.430
0.590
0.818
1.140
1.260
1.390
1.540
D
C
°
C
E
SERIES DC780
C
C
U
AT
)
R
R
EN
IN
G
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
11.4
9.0
7.2
7.2
5.5
5.5
5.5
5.5
5.5
4.8
4.8
4.0
4.0
4.0
4.0
2.8
2.0
1.6
1.6
1.6
1.6
1.6
1.3
1.0
0.8
0.8
0.8
0.8
IN
C
T
R
(
A
EMEN
(Inc
he
D
T
A
C
)
110.0
108.0
89.0
81.0
73.0
66.0
60.0
55.0
50.0
46.0
42.0
38.0
34.5
31.5
28.2
25.7
23.3
21.0
19.0
17.5
15.9
14.6
13.2
12.1
10.9
10.0
8.9
8.1
7.4
6.6
6.0
5.5
5.0
4.6
4.2
3.8
3.5
3.2
2.8
2.6
2.3
D
IMENSION B
s
, R
e
fe
r
e
L
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.620
0.625
0.630
0.630
0.546
0.546
0.594
0.625
0.625
0.656
0.656
0.593
0.593
0.593
0.593
0.593
0.562
0.590
0.590
0.590
0.590
0.590
0.590
0.590
0.590
0.590
0.590
0.590
(Inches, Reference)
LEAD DIAMETER
nc
e)
Power Inductors
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.051
0.045
0.045
0.045
0.040
0.036
0.036
0.036
0.036
0.036
0.036
0.036
0.036
0.032
0.032
0.029
0.025
0.025
0.025
0.025
0.023
0.023
0.023
0.020
0.018
0.018
0.018
0.018
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