MIL-PRF-28861/05 Specs

INCH-POUND
MIL-PRF-28861/5C
W/Amendment 1
23 January 2009
SUPERSEDING
MIL-PRF-28861/5C
10 February 2003
PERFORMANCE SPECIFICATION SHEET
FILTERS, RADIO FREQUENCY/ELECTROMAGNETIC INTERFERENCE
SUPPRESSION, HERMETICALLY SEALED, STYLE FS50
This specification is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the product described herein
shall consist of this specification sheet and MIL-PRF-28861.
*
FIGURE 1. Case and hardware dimensions and circuit diagrams.
AMSC N/A
FSC 5915
MIL-PRF-28861/5C
W/Amendment 1
Dash
number
001
through
012
013
through
024
Inches
.003
.005
.007
.010
.015
.022
.045
.070
.093
.115
A
dimension
(.010)
.187
.312
mm
0.08
0.13
0.18
0.25
0.38
0.56
1.14
1.78
2.36
2.92
Inches
.145
.187
.200
.250
.312
.395
.408
.410
.793
mm
3.68
4.75
5.08
6.35
7.92
10.03
10.36
10.41
20.14
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Circuit diagrams are for information only.
4. All filters shall be supplied with mounting hardware (hex nut and lockwasher). Mounting hardware shall be
furnished with the same finish as the filter case.
5. Terminal identification (nonsymmetrical filters): The case shall be marked at the threaded end of the filter
with the symbol "C" or the symbol "L" as follows, or the circuit diagram shall be marked on the case.
Circuit
Symbol
C
L1
6.
7.
8.
9.
L2
L
Optional slot may be supplied, .050  .010 inches (1.27  0.25 mm) x .070  .010 inches (1.78  0.25 mm).
Imperfect thread or undercut optional .050 inch (1.27 mm) maximum.
One imperfect thread allowed .035 inch (0.89 mm) maximum.
Recommended mounting torque: 44 inch-ounces  4 inch-ounces.
FIGURE 1. Case and hardware dimensions and circuit diagram - Continued.
2
MIL-PRF-28861/5C
W/Amendment 1
REQUIREMENTS:
Design and construction:
Dimensions and configuration: See figure 1.
Weight: 10 grams maximum.
Case finish: T, S, or G in accordance with MIL-PRF-28861 (pure tin finish is prohibited).
Mounting hardware: Shall be furnished with the same finish as the filter case (pure tin finish is prohibited).
Terminals: Solderable.
Operating temperature range: -55C to +125C.
Rated voltage: 200 V dc/125 V ac, 0 to 400 Hz.
Rated current: See table I.
Capacitance: See table I for minimum capacitance value.
Dissipation factor: 3 percent maximum.
Voltage and temperature limits of capacitance: +15 percent, -40 percent.
Insulation resistance:
At +25C: 1,000 megohms minimum or 1,000 megohm-microfarads minimum, whichever is less.
At +125C: 100 megohms minimum or 100 megohm-microfarads minimum, whichever is less.
Insertion loss: See table I.
Voltage drop: See table I.
DC resistance: See table I.
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3
Seal: In accordance with MIL-PRF-28861. Leakage rate for class S filters shall not exceed 1 x 10 atm cm /s.
Temperature rise: +25C maximum.
Solderability of terminals: In accordance with MIL-PRF-28861.
Product assurance level: In accordance with MIL-PRF-28861and table I.
Part or Identifying Number (PIN): The PIN shall be as follows:
X
M28861/05 - XXX
|
|
|
|
Dash no. in
Case finish
accordance with
figure 1 and table I
X
|
|_______
Product assurance
level in accordance with
MIL-PRF-28861 and table I
3
TABLE I. Electrical characteristics.
Dash
number
Product
assurance
level
Circuit
Class
Maximum
current
(amps)
Capacitance
(F)
+100%
-0%
Maximum
voltage
drop
(volts)
Maximum
DC
resistance
(ohms)
Minimum insertion loss (dB) in accordance with MIL-STD-220 1/ 2/
At +25C
At -55C and +125C
150
kHz
300
kHz
1
MHz
10
MHz
100
MHz
1
GHz
100
kHz
150
kHz
300
kHz
1
MHz
10
MHz
100
MHz
1
GHz
1.5
22
28
40
60
60
60
70
20
26
38
58
60
60
70
1.5
22
28
40
60
60
60
70
20
26
38
58
60
60
70
0.375
1.5
34
44
62
80
80
80
80
32
42
60
78
80
80
80
0.15
0.250
0.25
8
13
24
45
60
60
70
6
11
22
43
60
60
70
1.0
0.15
0.250
0.25
8
13
24
45
60
60
70
6
11
22
43
60
60
70

1.0
0.30
0.250
0.25
18
32
50
80
80
80
80
16
30
48
78
80
80
80
X
L1
3.0
0.15
0.150
0.05
5
8
16
30
60
60
70
3
6
14
28
58
60
70
X
L2
3.0
0.15
0.150
0.05
5
8
16
30
60
60
70
3
6
14
28
58
60
70

3.0
0.30
0.150
0.05
---
---
19
59
80
80
80
---
---
17
57
80
80
80
L1
5.0
0.15
0.075
0.015
5
8
14
26
55
55
70
3
6
12
24
53
55
70
S
001, 013
X
X
L1
0.25
0.15
0.375
002, 014
X
X
L2
0.25
0.15
0.375
003, 015
X
X

0.25
0.30
004, 016
X
X
L1
1.0
005, 017
X
X
L2
006, 018
X
X
007, 019
X
008, 020
X
009, 021
X
X
010, 022
X
X
4
011, 023
X
X
L2
5.0
0.15
0.075
0.015
5
8
14
26
55
55
70
3
6
12
24
53
55
70
012, 024
X
X

5.0
0.30
0.075
0.015
---
---
---
51
80
80
80
---
---
---
49
80
80
80
1/ Insertion loss measurements shall be made under full load over the frequency range of 100 kHz to 10 MHz. Insertion loss measurements above this
frequency range shall be under no load.
2/ The insertion loss requirements between any two adjacent specified frequencies shall be that of the lower of the two frequencies in order to accommodate
resonant dips.
MIL-PRF-28861/5C
W/Amendment 1
100
kHz
B
MIL-PRF-28861/5C
W/Amendment 1
*
Reference documents. In addition to MIL-PRF-28861, this specification sheet references the following document:
MIL-STD-220
The margin of this specification sheet is marked with asterisks to indicate where changes from the previous issue
were made. This was done as a convenience only and the Government assumes no liability whatsoever for any
inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this
document based on the entire content irrespective of the marginal notations and relationship to the last previous
issue.
Custodians:
Army - CR
Navy - EC
Air Force - 85
DLA - CC
NASA - NA
Preparing activity:
DLA - CC
(Project 5915-2009-014)
Review activities:
Army - AV, MI
Navy - AS, MC, OS, SH
Air Force - 19, 99
*
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using ASSIST
Online database at http://assist.daps.dla.mil .
5