402 Series SPDT Failsafe
with TTL & Indicator Option, N
Operating Voltage:
(across temperature range)
12 Vdc (11-14 Vdc)
28 Vdc (24-32 Vdc)
Coil Current (max @ nom.Vdc & 20°C):
12 Vdc 275 mA
28 Vdc 115 mA
Switching Time:
20 mS maximum
Operating Temperature:
-25ºC to +65ºC (Standard)
-55ºC to +85ºC (Extended “T” Option)
Mechanical Life, Cycles:
1,000,000 minimum
Vibration, Operating:
10G RMS, 20-2000 Hz
Mechanical Shock, Non-Operating:
50G, 1/2 Sine, 11mS
Nominal Weight:
9.0 oz., (260g.)
Specifications
402 Series SPDT Failsafe N, BNC, TNC, SC
Frequency VSWR Isolation Ins. Loss
GHz (max) dB (min) dB (max)
0-1 1.15 85 0.15
1-2 1.20 80 0.20
2-4 1.25 70 0.25
4-8 1.45 60 0.40
8-12.4 1.50 60 0.50
Note: RF characteristics for Type N & TNC female connectors, consult Dow-
Key for other connector configurations
RF Characteristics
Mechanical
Part Number Selection
ISO 9001 Certified 6www.dowkey.com
C
Commercial
M
Military
A
Avionics
S
Space
J 2 2 01 02 A
402
Special Options Actuator Coil Voltage Connectors Indicators Circuit Options
A= High Power 2= Failsafe 2= 12Vdc 01 = N Female 02 = No Indicators A= TTL High
J= 'D' Connector 6= Failsafe with 3= 28Vdc 02 = BNC Female 32 = Indicators B= JANTX TTL High
P= Power Connector Suppression Diode 4= 48Vdc 03 = TNC Female L= TTL Low
T= -55°C to + 85°C 7= 20Vdc 53 = SC Female*
8= 24Vdc
9= 15Vdc *1” connector spacing
Consult Dow-Key for dimension
For Electrical Schematic
see page # 1-8
402-2X0132 Shown
402 Series Electrical Schematics
ISO 9001 Certified 1-8 www.dowkey.com
1
402 Failsafe
2
402 Failsafe TTL LOGIC TRUTH TABLE
3
402 Pulse Latch
4
402 Self Cutoff
5
402 Self Cutoff TTL
Optional Indicators Optional Indicators
Optional Indicators Optional Indicators Optional Indicators
FAILSAFE TTL - SCH #2
SELF CUTOFF TTL - SCH #5
