Actual Size
DASH NUMBER*
MIL DASH
DC RESISTANCE
MAXIMUM (OHMS)
CURRENT RATING
MAXIMUM (Amps)
INCREMENTAL
CURRENT (Amps)
INDUCTANCE @ 1 kHz
(µH) ±15%
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)
Dimensions “A” and “C” are over terminals
Military QPL Approval
M27/367 T Level, Grade 5, encapsulted
Level T Magnetics are 100% Tested per MIL-PRF-27
Group A Subgroup I which includes:
1) Thermal Shock, 25 cycles
2) Burn In, 96 hours
3) Radiographic (X-Ray) Inspection
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 initial DC value
Lead Finish
Sn63 Pb37 (Tin-Lead), Hot Solder Dipped
Weight 1.5 grams MAX
DMV 1000 Vrms at Sea Level
500 Vrms at 70,000 feet altitude
IR 1000 Mohms MIN at 500 Vdc
Vibration MIL-STD-202, Method 204, Test Condition D
Moisture Resistance MIL-STD-202, Method 106
Bond Strength Force 2 lbs.
Marking
Military PIN (Part or Identifying Number)
API Delevan Part Number
API Delevan Cage Code Date/Lot Code (YYWWL)
Marking Example
M27/367-38T
MIL4922-30LT
99800 1328A
Packaging Tape & reel (24mm): 13"reel, 800 pieces max.;
7" reel not available
Made In the U.S.A.
Power Inductors
270 Quaker Rd., East Aurora NY 14052 • Phone 716-652-3600 • Fax 716-652-4814 • E-mail: apisales@delevan.com • www.delevan.com
SERIES MIL4922
MIL-PRF-27/367, T Level Qualified
Surface Mount Power Inductors
M
I
L
I
T
A
R
Y
A
P
P
R
O
V
E
D
M27/367 - SERIES MIL4922 T LEVEL FERRITE CORE
-221LT
-271LT
-331LT
-391LT
-471LT
-561LT
-681LT
-821LT
-01LT
-02LT
-03LT
-04LT
-05LT
-06LT
-07LT
-08LT
-09LT
-10LT
-11LT
-12LT
-13LT
-14LT
-15LT
-16LT
-17LT
-18LT
-19LT
-20LT
-21LT
-22LT
-23LT
-24LT
-25LT
-26LT
-27LT
-28LT
-29LT
-30LT
-31LT
-32LT
-33LT
-34LT
-35LT
-36LT
-37LT
-38LT
-39LT
-40LT
-41LT
-42LT
-43LT
-44LT
-45LT
-46LT
-47LT
-48LT
-49LT
-50LT
-51LT
-52LT
-53LT
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
0.998
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
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
-01T
-02T
-03T
-04T
-05T
-06T
-07T
-08T
-09T
-10T
-11T
-12T
-13T
-14T
-15T
-16T
-17T
-18T
-19T
-20T
-21T
-22T
-23T
-24T
-25T
-26T
-27T
-28T
-29T
-30T
-31T
-32T
-33T
-34T
-35T
-36T
-37T
-38T
-39T
-40T
-41T
-42T
-43T
-44T
-45T
-46T
-47T
-48T
-49T
-50T
-51T
-52T
-53T
-54T
-55T
-56T
-57T
-58T
-59T
-60T
-61T
*Complete part # must include series # PLUS the dash #
11/2013
Mechanical Configuration Units are encapsulated in a Surface Mount package,
using an epoxy molded case. Leads are pretinned. A high resistivity ferrite core,
allows for high inductance with low DC resistance.
