531-561 Series Normally Open
N, BNC, TNC, SC
C M A
Commercial
Military
Avionics
S
Space
RF Characteristics
Frequency
GHz
DC-4
4-8
8-12.4
VSWR
(max)
1.25
1.35
1.70
Isolation
dB (min)
70
60
55
Ins. Loss
dB (max)
0.30
0.40
0.70
531-561 Series
Normally Open, N
Specifications
Operating Voltage:
(across temperature range)
12 Vdc (11-14 Vdc)
28 Vdc (24-32 Vdc)
Coil Current (Nominal):
12 Vdc 110 mA
28 Vdc 65 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:
17.0 oz., (482g.)
Mechanical
561-530122 Shown
Part Number Selection
561
J
5
2
01
02
A
For Electrical Schematic
see page # 3-9
Family
Special Options
Actuator
Coil Voltage
Connectors
Indicators
Circuit Options
531
= SP3T
541
= SP4T
561
= SP6T
A
= High Power
J
= 9 or 15 Pin 'D' Connector
T
= -55º to +85º C
5
= Normally Open
2
= 12Vdc
3
= 28Vdc
8
= 24Vdc
9
= 15Vdc
01
= N Female
02
= BNC Female
03
= TNC Female
53
= SC Female*
02
= No Indicators
22
= SPST Indicators
A
= TTL High
* 1" Connector Spacing Consult Dow-Key for dimensions
ISO 9001 Certified
3-4
www.dowkey.com
MP Normally Open Series Electrical Schematics
1
Normally Open
Terminals not Polarity Sensitive
2
Normally Open TTL
TTL Inputs
Optional Indicators
Optional Indicators
Logic Low (off) = 0 - 0.8Vdc
Logic High (on) = 2.4 - 5.5Vdc
3
N.O. Terminated
Terminals not Polarity Sensitive
4
N.O. Terminated TTL
TTL Inputs
Optional Indicators
Optional Indicators
Logic Low (off) = 0 - 0.8Vdc
Logic High (on) = 2.4 - 5.5Vdc
ALL SCHEMATICS SHOWN IN POSITION 1 ENERGIZED.
ISO 9001 Certified
3-9
www.dowkey.com
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