American Microwave Corporation
7309-A Grove Road
Frederick, MD 21704


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


AMC Model SW-2181-2A-171 is a Reflective
SPDT Switch Module With
Integral TTL Driver, Packaged in a Miniature Postage Stamp
Size Housing,
Designed For High Isolation and Fast Switching Applications.


 Frequency Range

1 – 18 GHz Minimum

 Insertion Loss

3.5 dB Maximum


70 dB Minimum

 VSWR (On)

1.4:1 Maximum

 Switching Time

Rise (10% RF  To 90% RF):   5 nS Maximum
Fall  (90% RF  To 10% RF):   5 nS
On  (50% CTL To 90% RF): 25 nS Maximum
Off  (50% CTL To 10% RF): 25 nS Maximum


TTL Compatible, Unity Load
Single Control (Toggle)
Logic “0” J1-J3 Path On
Logic “1” J1-J2 Path On

 RF Power Ratings

+27 dBm CW Maximum

 Power Supply

+5 VDC ±5% @ 80 mA Maximum
– 6 VDC ±5% @ 50 mA Maximum


RF Input/Output: SMA (Female)
Power: Solder Pin
Control: Solder Pin


0.80″ X 0.62″ X 0.38″


Available Options:


50 Ohm Control Impedance


100 Ohm Control Impedance


Inverse Control Logic


Two Individual Controls


Input/Output Video Filter
(0.5 dB Excess Loss)


J1 SMA Male, J2 and J3 SMA Female


J1 SMA Female, J2 and J3 SMA Male


– 12 VDC


– 15 VDC


–   5 VDC

Environmental Ratings:

Our standard
environmental ratings are as follows, for specific
requirements please contact us…

 -55 ºC to +95
ºC Operating
ºC 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:
Method 107D Cond. A


Outline Drawing:

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Product Feature:

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