Table of Contents
Section 1 – FCA Family
FCA-125 Series .................................................................. 25 Amp, SPDT ....................................... 4-7
FCA-210 Series .................................................................. 10 Amp, DPDT ...................................... 8-11
FCA-212 Series .................................................................. 12 Amp, DPDT ..................................... 12-15
FCA-325 Series .................................................................. 25 Amp, 3PDT ...................................... 16-19
FCAC-325 Series .......................................... 25 Amp, 3PST-NO w i t h Aux. Switch....................... 20-23
FCA-410 Series .................................................................. 10 Amp, 4PDT ...................................... 24-27
FCA-610 Series .................................................................. 10 Amp, 6PDT ...................................... 28-31
Notes Page ........................................................................................................................................... 32
Section 2 – FCB Family
FCB-205 Series ................................................................... 5 Amp, DPDT ...................................... 34-37
FCB-310 Series .................................................................. 10 Amp, 3PDT ...................................... 38-41
FCB-405 Series ................................................................... 5 Amp, 4PDT ....................................... 42-45
Notes Page ........................................................................................................................................... 46
Section 3 – Cross Reference Guide, Suggested Practices & Global Contacts
Current Mil-Spec to Tyco Part Number Cross Reference Guide ....................................................... 48-50
Superceded Mil-Spec to Current Mil-Spec to Tyco Part Number Cross Reference Guide ................ 51-56
Selection & Application Guide .............................................................................................................. 57
Notes Page ........................................................................................................................................... 58
Global Contacts .................................................................................................................................... 59
Disclaimer
While Tyco Electronics has made every reasonable effort to ensure the accuracy of the information in this catalog, Tyco
Electronics does not guarantee that it is error-free, nor does Tyco Electronics make any other representation, warranty or
guarantee that the information is accurate, correct, reliable or current. Tyco Electronics reserves the right to make any
adjustments to the information contained herein at any time without notice. Tyco Electronics expressly disclaims all
implied warranties (and express warranties, except as otherwise stated in this catalog) regarding the information con-
tained herein, including but not limited to any implied warranties or merchantability or fitness for a particular purpose. It is
recommended that you test any new or replacement product before incorporating into a system.
The dimensions in this catalog are for reference purposes only and are subject to change without notice.
Dimensions are in inches over (millimeters), unless otherwise specified.
Specifications are subject to change without notice.
Consult Tyco Electronics at 1-800-522-6752 for latest dimensions and design specifications, or use the global contact list.
TYCO is a trademark. Other products, logos and company names mentioned herein may be trademarks of their respec-
tive owners.
© 2003 by Tyco Electronics Corporation
All Rights Reserved.
2
SERIES
FCA-125
Tyco Electronics Mid-Range Military/Aerospace Relays
25 AMPERES, SPDT
q
HERMETICALLY SEALED
q
ALL WELDED CONSTRUCTION
q
BALANCED FORCE
q
PERMANENT MAGNET DRIVE
q
CONTACTS: SILVER CADMIUM
OXIDE WITH GOLD PLATING
q
COILS FOR DC, 50 TO 400Hz AND 400Hz AC
q
WEIGHT 1.6 OUNCES MAX. (45.4 GRAMS)
QP
i
L
ed to MIL-R-
l fi
Qua
D
ROV
0
E
/19*
APP
61 6
* Meets new spec MIL-PRF-83536/36 and MIL-PRF-83536/37
The Series FCA-125 relay is a polarized single-side stable design, where the flux from a permanent
magnet provides the armature holding force in the deactivated state, and its flux path is switched
and combined with the coil flux in the operated state. This results in appreciably increased contact
pressure in both states over that of a spring return nonpolar design. We also manufacture other
versions of this relay:
FCA-325:
25 AMPERE 3PDT RELAY
FCAC-325:
25 AMPERE 3PST RELAY WITH 2 AMPERE, SPDT AUXILIARY CONTACTS
CONTACT RATING-AMPERES
Ratings Are Continuous Duty
TYPE OF
LOAD
Resistive
Inductive
Inductive
Motor
Lamp
LIFE (MIN.)
CYCLES X 10
3
50
10
20
50
50
28 VDC
25
12
–
10
5
115VAC
400Hz
25
–
15
10
5
115VAC
60Hz *
10
10
–
8
–
* 60 Hz LOADS RATED FOR 10,000 OPERATIONS
OVERLOAD CURRENT 50 AMPS DC, 80AMPS 400Hz
RUPTURE CURRENT 60 AMPS DC, 100 AMPS 400Hz
CONTACT MAKE BOUNCE 1 MILLISECOND AT NOMINAL VOLTAGE
MAX. CONTACT DROP AT 25 AMPS: INITIAL 0.150 VOLTS.
END OF LIFE 0.175 VOLTS
4
SERIES
FCA-125
Tyco Electronics Mid-Range Military/Aerospace Relays
25 AMPERES, SPDT
COIL DATA
COIL
CODE
1
2
3
4 (A)
5
6
7
8
9
NOMINAL
VOLTAGES
6
12
28
28
48
28
28
115
115
FREQ.
Hz
DC
DC
DC
DC
DC
400Hz
50/400Hz
400 Hz
50/400Hz
OVER TEMPERATURE RANGE
DC RES.
DROPOUT OR MUST HOLD
PICKUP OR
AC AMPS (B) BELOW VOLTS ABOVE VOLTS VOLTAGE (C)
20
Ω
80
Ω
320
Ω
320
Ω
920
Ω
180 mA
100 mA
40 mA
30 mA
4.5
9.0
18.0
18.0
32.0
22.0
22.0
90.0
95.0
0.3
0.75
1.5
1.5
2.5
1.25
1.25
5.0
5.0
2.5
4.5
7.0
7.0
14.0
10.0
10.0
40.0
40.0
A. CODE 4 COILS HAVE BACK EMF SUPPRESSION D. MAX. OVERVOLTAGE: 6 & 12 VDC COILS 120% OF
TO 42 VOLTS MAX.
NOMINAL; ALL OTHERS 110% OF NOMINAL.
B. DC COIL RESISTANCE
±
10% AT 25˚C;
E. COILS AVAILABLE FOR OTHER VOLTAGES AND
AC COIL MAX. CURRENT AT NOMINAL VOLTAGE.
FOR AC 50/60HZ.
C. RELAY WILL STAY IN PICKED-UP STATE DOWN TO
MUST HOLD VOLTAGES SHOWN.
NOTE: Only DC Coil Models are QPL Approved.
GENERAL SPECIFICATIONS
TEMPERATURE RATING:
ALTITUDE:
SHOCK:*
VIBRATION, SINUSOIDAL:*
VIBRATION, RANDOM: *
DIELECTRIC STRENGTH
AT SEA LEVEL:
DIELECTRIC STRENGTH
AT 80,000 FEET:
INSULATION RESISTANCE:
-70˚C TO + 125˚C
300,000 FEET
Z, Y, & X ENCLOSURES
W & M ENCLOSURES (STUD MTG.)
Z, Y, & X ENCLOSURES
W & M ENCLOSURES (STUD MTG.)
Z, Y, & X ENCLOSURES
W & M ENCLOSURES (STUD MTG.)
ALL CIRCUITS TO GROUND AND
CIRCUIT TO CIRCUIT.
COIL TO GROUND
200 g FOR 6 mS
100 g FOR 6 mS
30 g 33-3000Hz
20 g 33-3000Hz
0.4 g
2
/Hz 50-2000Hz
0.2 g
2
/Hz 50-2000Hz
1250 V rms
1000 V rms
350 V rms
100 M
Ω
MINIMUM
INITIAL (500 VDC)
AFTER LIFE OR ENVIRONMENTAL TESTS 50 M
Ω
MINIMUM
OPERATE TIME AT NOMINAL VOLTAGE: DC RELAYS
10 ms OR LESS
15 ms OR LESS
AC RELAYS
RELEASE TIME AT NOMINAL VOLTAGE: DC RELAYS
10 ms OR LESS
50 ms OR LESS
AC RELAYS
* Max. contact opening under vibration or shock 10 microseconds
5
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