SERIES
Radial Toroidal Inductors
Military Specification MS21424 (Ref.)
Physical Parameters
Inches Millimeters
A 0.270 to 0.300 6.86 to 7.62
B 0.260 to 0.280 6.60 to 7.11
C 0.140 to 0.160 3.56 to 4.06
D 0.190 to 0.210 4.83 to 5.33
E 1.00 Min. 25.40 Min.
F 0.023 to 0.027 0.584 to 0.686
Current Rating at 90°C Ambient 35°C Rise
Operating Temperature –55°C to +125°C
Maximum Power Dissipation at 90°C 0.33 W
Core Material Iron
Weight Max. (Grams) 1.0
Lead Size AWG #22 TCW
Marking 2727; dash number with tolerance letter; Delevan
cage code (99800); date code (YYWWL). Note: An R after
2727 indicates a RoHS component.
Example: 2727-25J
2727
-25J
99800
0908A
Packaging Bulk only
Made in the U.S.A.
2727
Actual Size
2727R
T
IN
D
U
C
N
U
MB
T
A
E
R
*
-01J
-02J
-03J
-04J
-05J
-06J
-07J
-08J
-09J
-10J
-11J
-12J
-13J
-14J
-15J
-16J
-17J
-18J
-19J
-20J
-21J
-22J
-23J
-24J
-25J
N
C
E (
µ
H
D
A
S
H
EST
F
R
EQ
Q
MIN
)
±5
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
*Complete part # must include series # PLUS the dash #
IMU
%
M
10.0
For surface finish information,
refer to www.delevanfinishes.com
SR
EN
75
75
75
80
80
80
80
80
80
80
80
80
80
45
45
45
50
55
55
55
55
55
55
50
50
F
C
Y (
MH
z
)
U
SERIES 2727 IRON CORE
MIN
IMU
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
0.79
M (
MH
MA
XIMU
z
)
D
C
M (
35
31
27
24
22
20
18
16
14
12
11
10
9.1
8.2
7.3
6.4
5.6
5.0
4.4
3.9
3.5
3.1
2.8
2.5
2.2
R
ESIST
O
H
MS)
A
CURRENT RATING
MAXIMUM (mA)
NCE
1.1
1.3
1.5
1.9
2.3
2.7
3.3
3.9
4.7
5.6
6.8
8.1
9.7
12
14
17
20
24
19
22
27
32
19
23
27
RF Inductors
420
385
360
320
290
265
240
220
200
185
165
155
140
125
115
105
96
90
100
93
84
77
100
92
84
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
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