AMSC N/A 1 of 7 FSC 5945
INCH-POUND
MS25269L
27 Novem ber 2003
SUPERSEDING
MS25269K J
12 June 1995
DETAIL SPECIFICATION SHEET
RELAYS, EL ECTROMAGNETIC, 5 AMPERES, 6 PDT,
TYPE I, HERMETICALLY SEALED
INACTIVE FOR NEW DESIGN AFTER 15 OCTOBER
1999. NO SUPERSEDING SPECIFICATION.
This specification i s approved f or use by all Departments
and Agencies of t he Department of Defense.
The requi rements for acquiring the relay described her ein shall
consist of this speci fication and the latest issue of MIL-PRF-6106.
FIGURE 1. Dimensions and conf iguration.
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MS25269L
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Inches mm Inches mm
.001 0.03 .450 11.43
.003 0.08 .562 14.27
.005 0.13 .593 15.06
.040 1.02 .900 22.86
.062 1.57 1.125 28.58
.138 3.51 1.187 30.15
.152 3.86 1.531 38.89
.235 5.97 1.812 46.02
.375 9.53
NOTES:
1. Di mension s are in inch es.
2. Metric equi valents are gi ven for general information onl y.
3. Unless otherwise specified, tolerance is ±.010 (0.25 mm).
4. In the event of a conflict between the text of this standard and the references cited her ein, the t ext of this
standard shall take precedence.
5. Referenced Government doc umen t s of the iss ue listed in that i ssue of t he Depa rt ment of D efens e Ind ex of
Specif ications and Standards (DO DISS) specified in the solicitation form a part of this standard to the extent
specified herein.
6. Terminal numbers shall not appear on the relay header. There shall be af fi xed to the relay a l egible circuit
diagram that identifies each terminal location specified.
FIGURE 1. Dimensions and conf iguration - Continued.
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REQUIREMENTS:
Dimensions and configur ation: See figure 1.
Part or Identify ing Nu mbe rs (PIN's) and ge neral characte ristic s: See table I.
Contact data:
Load ratings: See table II.
Maximum contact drop, initial: 0.150 V.
After life te s t: 0.1 75 V.
Ove rload curre nt: 20 ampere s.
Rupture cur rent: 25 amperes.
Coil data: See table III.
Duty rating: Conti nuous.
RFI spec ification: MIL-STD-4 61 (applicable to c oil of ac op erated relays ) .
Electrical data:
Minimum insulation resistance:
Initial: 100 megohms.
After life or env iro nmen tal te st: 50 megohms .
Dielectric strength (sea level)
Ini tial After life te s ts
Coil to case 1,000 V rms 1,000 V rms
Aux cont act s N/A N/A
All other points 1,000 V rms 1,000 V rm s
Dielectric strength (altitude)
80,000 ft
Coil to case 250 V rms
Aux contacts N/A
All other points 250 V rms
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Env i ronmental ch ara c teristics:
Temperature range: -70ºC t o +120ºC.
Maximum altitude rating: 80,000 feet.
Shock, g-level: 50 g's.
Duration: 6-9 ms.
Maximum duration contact openi ng: 10 µs.
Vibration - sinusoidal:
G-level: 10 g's.
Frequency r ange: 5 - 1,500 Hz.
Vibration - random :
Applicable specification: Not applicable.
Power sp ect ral density : Not applic a bl e.
RMS G-minimum: Not applicable.
Frequency r ange: Not applicable.
Curve: Not applicable.
High shock: Not applicable.
Acceleration: 15 g's.
Qualification by similarit y: See MIL-PRF-6106.
Group B and C inspec t ions may be suspended at the discretion of the qual if ying act ivity.
PIN: MS25269- (plus applicable dash number from table I).
TABLE I. PI N's and general characteristics.
PIN
MS25269- Type Coil Terminal type Mounting type Maximum weight
(pounds)
D1 I dc Solder hook Stud 0.35
A1 I ac Solder hook Stud 0.35
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MS25269L
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TABLE II. Rated contact load (amperes per pole) case grounded.
28 V dc 115 V ac, 1 phase 115/200 V ac, 3 phase
1/
Main Aux Main Aux Main Aux
Type of load
Life
operating
cycles x
103 NO NC NO NC 400
Hz 60
Hz 400
Hz 60
Hz 400
Hz 60
Hz 400
Hz 60
Hz
Resistive
100
3/ 5 5 5 4
Inductive
100
3/
Inductive
20
3/ 3 3 3 2
Motor
100
3/ 1.5 1.5 1.5 1
Lamp
100
3/ 0.8 0.8 0.8 0.6
Transfer load 2/
Me chanical life
(reduced current) 400
3/ 1.25 1.25 1.25 1
Mixed l oads Applicable in accordance with
MIL-PRF -6106
1/ Absence of value indicates the relay is not rated for 3 phase application.
2/ Tr ansfer load indicates the relay i s suit able for transfer between unsynchronized ac power suppli es at the rati ng
indicated.
3/ MS25269-A1 is rated for 50,000 cycles, except that inductive i s 10,000 cycles and mechanical life is 200, 000
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TABL E III. Operat ing charact eri stics .
Coil d ata Time - (millis econds maximum)
R ated Max Max pick-up voltage B ounce
Main Aux
PIN
MS25269-
Coil Volts
1/ Freq.
(Hz) Res
(Ω) Volts Amperes Normal
2/ High
temp
test
Cont
current
test
Hold
voltag e 2/
Drop-
out
voltag e 2/
Operate
3/ Release
4/ NO NC
NO
NC
D1 X1,X2 28 dc 29 0.18 18 19.8 22.5 7.0 1.5 20 20 2 2
A1 X1,X2 115 400
5/ 122 0.04 90 95 103 30 5.0 25 50 2 2
1/ CAUTION: Use of any coil voltage less tha n rat ed coil voltag e wi ll c omp romise the operation of the rela y.
2/ Ove r the te mperature range .
3/ With rate d coil vo ltage.
4/ From rated co il vo lta g e.
5/ MS25269-A1 m ay be used on 60 Hz if ambient temperature is limited to 850C maxim um and current is limited to 0.044 ampere maximum.
6
MS25269L
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MS25269L
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NOTES
Referenced documents. In addition to MIL-PRF-6106, this speci f ication sheet references the following docum ents.
( Government do cuments are available on line at http://assist.daps.dla.mil/quicksearch or www.dodssp.daps.mil or
from the S tanda rd ization Docum ent O r der Desk, 700 Robbins Avenue, Buil ding 4D, Philadelphia, PA 19111-5094) .
STANDARDS
Department of D efens e
MIL- STD-461 - Requirements f or the Control of Electromagnetic Interference Characteristics of
Subsys tems and Equipment
Custodians: Preparing acti vit y:
Navy - AS DLA - CC
Air Force - 11
DLA - CC (Project 5945 -1214 -06)
Review activities:
Navy - EC
NOT E: The activit ies l isted abov e wer e interested in this d ocument as of the date of t his d ocument. Sinc e
organizations and res ponsibiliti es can change, you should verify the currency of t he information abov e using ASSIST
Online database at www.dodssp.daps.mil.
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