SP2T PIN Diode Switch

Rev. V1

MSW205x-205

1

1

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Features

 Wide Frequency Range: 50 MHz to 4 GHz, in 2

bands

 Surface Mount SP2T Switch in Compact Outline:

8 mm L x 5 mm W x 2.5 mm H

 Higher Average Power Handling than Plastic

Packaged

 MMIC Switches: 158 W CW

 High RF Peak Power: 630 W

 Low Insertion Loss: 0.25 dB

 High IIP3: 65 dBm

 Operates From Positive Voltage Only: 5 V & 28 V

to 125 V

 Ultra-Thin Termination Plating to Combat

Embrittlement

 RoHS* Compliant

Description

The MSW2050-205 (50 MHz - 1 GHz) and

MSW2051-205 (400 MHz - 4 GHz) series of surface

mount silicon PIN diode SP2T switches can be used

for high power transmit/receive (TR) switching or

active receiver protection. These switches are

manufactured using a proven hybrid manufacturing

process incorporating high voltage PIN diodes and

passive devices integrated on a ceramic substrate.

These

low

profile,

compact,

surface

mount

components offer superior small and large signal

performance compared to that of MMIC devices in

QFN packages. The SP2T switches are designed in

an asymmetrical topology to minimize Tx-Ant loss

and maximize Tx-Rx isolation performance. The very

low thermal resistance (<15ºC/W) of the PIN diodes

in these devices enables them to reliably handle RF

incident power levels of 50 dBm CW and RF peak

incident power levels of 58 dBm in cold switching

resistance (<1.0 Ω), coupled with their long minority

carrier lifetime, (>1.5 µs), provides input third order

intercept point (IIP3) greater than 65 dBm.

These

MSW2050-205,

MSW2051-205

SP2T

switches are designed to be used in high average

and peak power switch applications, operating from

50 MHz to 4 GHz in two bands, which utilize high

volume,

surface

mount,

solder

re-flow

manufacturing. These products are durable and

capable of reliably operating in military, commercial,

and industrial environments.

Ordering Information

Part Number

Package

MSW2050-205-T

tube

MSW2050-205-R

250 or 500 piece reel

MSW2050-205-W

Waffle pack

MSW2051-205-T

tube

MSW2051-205-R

250 or 500 piece reel

MSW2051-205-W

Waffle pack

MSW2050-205-E

RF evaluation board

MSW2051-205-E

RF evaluation board

CS205

* Restrictions on Hazardous Substances,

European Union Directive 2011/65/EU.

Functional Schematic