Model: P4T-500M18G-80-T-SFF-IND-1


PMI Model No: P4T-500M18G-80-T-SFF-IND-1 is a SP4T, Absorptive PIN Diode Switch that offers 80dB of Isolation and the Insertion Loss is 3.75dB Max.  It has a switching speed (On/Off) of 25ns and its operating RF Input power is +20dBm and a VSWR of 2:1.  The switch is a Radial design with a 1.25” diameter by 0.40” thick.


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Product Feature

Test Report

Unit Data






Frequency 0.5 to 18.0 GHz
Insertion Loss

3.75 dB max. - Measured 2.75 dB

Isolation 80 dB typ. - Measured 81.70 dB
VSWR 2.0:1 max. - Measured 1.89:1
Switching Speed 50% TTL to 10%/90% RF
25 ns typ. -
Measured 30 ns
Input Power +20 dBm CW - Measured +20 dBm CW
Survival Power +23 dBm CW - Measured +23 dBm CW
Control Signal

Individual TTL Control

")" = Low Loss & "1" = Isolation

Power Supply

+5 V @ 200 mA max. - Measured 125 mA
-5 V @ 100 mA max. - Measured 90 mA

RF Connectors


Control. Power and Ground Feedthru - Ø0.020 typ.
Finish Painted Blue


Environmental Ratings:

Temperature:  -40ºC 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
 Temperature Cycle:  MIL-STD-202F, Method 107D Cond. A