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


ISO -9001:2015

In Pursuit of Excellence
Through Engineering since 1978


The SW-2181-2A is a SPDT Pin Switch
Intended for use in Commercial and Military
Environments.  It Features all Solid State Chip Diode and
Microstrip Construction for
Rugged, Reliable Operation.  Hybrid Driver Circuitry
Features Reverse Voltage and
Over Voltage Protection.


 Frequency Range

0.3 – 20 GHz

 Insertion Loss

3.0 dB Maximum


55 dB Minimum


2.0:1 Maximum

 Switching Speed

Rise/Fall Time: 50 ns Maximum
High Speed, 10 ns Optional

 Power Handling

+23 dBm, CW Maximum

 DC Power

+5V @ 65 mA Maximum
– 5V @ 50 mA Maximum


Available Options:


35 dB Minimum Isolation


Independent Controls
TTL Logic: 0=RF On, 1=RF Off
TTL Delay:
60 ±10 NS, RF Off, 50% TTL to 10% RF
7 ±3 NS, RF On, 50% TTL to 90% RF


SMA Male Connectors


Reverse Logic


-15 Volt Supply


10 NS Maximum Rise/Fall Time


Extended Frequency to 100 MHz

Environmental Ratings:

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

 -65 ºC to +85
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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