412 Series Transfer Failsafe
N, BNC, TNC, SC
C M A
Commercial
Military
Avionics
S
Space
RF Characteristics
Frequency
GHz
0-1
1-2
2-4
4-8
8-12.4
VSWR
(max)
1.15
1.20
1.25
1.45
1.60
Isolation
dB (min)
85
80
70
60
60
Ins. Loss
dB (max)
0.15
0.20
0.25
0.40
0.50
Note: RF characteristics for Type N & TNC female connectors, consult Dow-
Key for other connector configurations
412 Series Transfer Failsafe, N
Mechanical
Specifications
Operating Voltage:
(across temperature range)
12 Vdc (11-14 Vdc)
28 Vdc (24-32 Vdc)
Coil Current (max @ nom.Vdc & 20°C):
12 Vdc 320 mA
28 Vdc 185 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:
10 G RMS, 20-2000 Hz
Mechanical Shock, Non-Operating:
30 G, 1/2 Sine, 11 mS
Nominal Weight:
14 oz., (397g.)
412 -2X0132 Shown
Part Number Selection
412
J
2
2
01
02
A
For Electrical Schematic
see page # 2-6
Special Options
Actuator
Coil Voltage
Connectors
Indicators
Circuit Options
A
=
C
=
J
=
N
=
P
=
S
=
T
=
High Power
2
= Failsafe
Special Mounting Bracket
6
= Failsafe with
'D' Connector
Suppression Diode
No Mounting Bracket
Power Plug
Epoxy Seal
-55°C to + 85°C
2
= 12Vdc
3
= 28Vdc
7
= 20Vdc
8
= 24Vdc
9
= 15Vdc
01
= N Female
02
= BNC Female
03
= TNC Female
53
= SC Female*
*1” connector spacing
Consult Dow-Key for dimensions
02
= No Indicators
32
= Indicators
A
= TTL High
ISO 9001 Certified
2-4
www.dowkey.com
PCB Design
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