SERIES
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
MIL4922
High Current, MIL-PRF-27/367 Qualified
Surface Mount Power Inductors
Actual Size
Mechanical Configuration
Units are encapsulated in a Surface Mount package, using
an epoxy molded case. Leads are pre-tinned. A high
resistivity ferrite core allows for high inductance with low
DC resistance.
Physical Parameters
Inches Millimeters
A 0.490 to 0.520 12.44 to 13.21
B 0.230 to 0.250 5.84 to 6.35
C 0.210 to 0.230 5.33 to 5.84
D 0.050 Min. 1.27 Min.
E 0.055 to .075 1.40 to 1.91
F 0.330 (Ref. only) 8.38 (Ref. only)
G 0.120 (Ref. only) 3.04 (Ref. only)
Operating Temperature Range –55°C to +130°C
Current Rating at 85°C Ambient 45°C Rise
Maximum Power Dissipation at 85°C 0.55 W
Inductance
Measured at 1 VAC open circuit with no DC current
Incremental Current The current at which the
inductance will decrease by a maximum of 5% from
its inductance at zero DC current.
Weight (Grams Max.) 1.5
Packaging Tape & reel (24mm): 13"reel, 800 pieces
max.; 7" reel not available
Lead Finish Sn63Pb37
(Tin-Lead) Hot Solder Dipped
Made In the U.S.A.
Power Inductors
IN
D
D
A
S
H
N
U
MB
-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
MIL
E
R
*
U
D
A
SH
M27/367 - SERIES MIL4922 FERRITE CORE
-01
-02
-03
-04
-05
-06
-07
-08
-09
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
-40
-41
-42
-43
-44
-45
-46
-47
-48
-49
-50
-51
-52
-53
-54
-55
-56
-57
-58
-59
-60
-61
MA
C
T
A
N
C
(µ
H
) ±
E @ 1 kH
15%
10000
12000
15000
18000
22000
XIMU
z
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
D
C
M (O
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
R
ESIST
H
MS)
A
N
C
MA
XIMU
C
E
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
0.998
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
R
R
EN
M (A
T
R
A
T
m
p
s)
C
URRENT (Amps)
INCREMENTAL
IN
G
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
U
*Complete part # must include series # PLUS the dash #
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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