Model: SWN-2181-TRA


PMI Model No. SWN-2181-TRA is a pin diode transfer switch that operates over a frequency range of 0.5 to 18.0GHz.  It has 60dB min of isolation,, max insertion loss of 3.5dB and a max input power of +10dBm CW.  This model incorporates a TTL compatible driver for easy system integration and is supplied with removable 2.92mm(F) connectors in a housing that measures 1.0" x 1.0" x 0.25".


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Product Feature

Test Report



Frequency 0.5 to 18.0GHz
Isolation 60dB min
Insertion Loss 3.5dB max
VSWR In/Out 2.0:1 max
Input Power +10dBm CW max
Survival Power

1W CS, 10W Peak 1 usec

RF Switching Speed

Rise: 15nS max
Fall: 15nS max
Delay On: 100nS max
Delay Off: 100nS max

DC Voltage

+/-5V @ 100mA nom

Control Signal TTL Logic
Connectors In/Out 2.92mm(F)
Control Connectors Solder Pins
Size 1.0" x 1.0" x 0.25"


Environmental Ratings:

Temperature:  -55ºC to +85 ºC Operating
 -55ºC to +125 ºC Non-Operating
 Humidity:  MIL-STD-202F, Method 103B Cond. B
 Shock:  MIL-STD-202F, Method 213B Cond. B
 Vibration:  MIL-STD-202F, Method 204D Cond. B
 Altitude:  MIL-STD-202F, Method 105C Cond. B
Salt Fog:  MIL-STD-202F, Method 107D Cond. A
Fungus:  MIL-STD-810C, Method 508.2
 Temperature Cycle:  MIL-STD-202F, Method 107