Model: P4T-50M40G-55-T-292FF   


PMI Model No. P4T-50M40G-55-T-292FF is a 50MHz to 40.0GHz, Single Pole, Four Throw, Absorptive Switch.  This switch offers 55dB of port to port isolation and a maximum insertion loss of 8db. It has a switching speed of 100ns and is independently TTL controlled.  The operating power is +20dBm CW and it has a VSWR of 2.5:1 max.


Quick Links: (click the links below for additional information)

Product Feature

Test Report

Unit Data






Frequency 50MHz to 40.0GHz

55dB min - Measured: 74.94dB

Insertion Loss

8.0dB max - Measured: 5.61dB

VSWR In/Out 2.5:1 max - Measured 2.13:1 Input/2.22:1 Output

50% TTL to 10%/90% RF
85ns typ, 100ns max

Measured <20ns

Input Power +20dBm CW
Survival Power 0.5W CW, 5W Peak, 1us
Control TTL

4 Line Independent
Logic "0"= Insertion Loss

Logic "1"= Isolation

Power Supply
(Voltage regulation & reverse bias protection included)

+12 to +15VDC @ 150mA - Measured 75mA

-12 to -15VDC @ 100mA - Measured 100mA

RF Connectors

2.92mm Female for Low Leakage

Control, Power and Ground Feedthru - Ø0.030 typ
RF Leakage SMA & Pins = <-100dB per MIL-C-39012

2.0" x 1.0" x 0.4"

Finish Gold Plated


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