RFSPSTA0204G
Absorptive Coaxial SPST Switch
2 - 4GHzFeatures•••••

Wide Band Operation 2-4GHz
TTL compatible driver included
Fast Switching Speed
Low Insertion Loss and High Isolation
Customization available upon request•••Wireless Infrastructure
Military and Aerospace
Test and Measurement

Electrical Specifications, TA = +25°C, Vdd = +5V/-5V, Control TTL = 0 / +5V
PN: RFSPSTA0204G
SPST Absorptive Switch
J0: Absorptive Port
J1: Reflective port
Low Power Cold Switching

Description

Parameter

Min.

Typ.

Max.

Units

Frequency Range

2-4Insertion Loss1.0Insertion Loss Temperature Coefficient

0.003

dB/ °C

85dB

Isolation

80GHz
1.2dB

Input VSWR

1.3

1.5:1Output VSWR

1.3

1.5:130dBm

RF Input PowerDC Power Dissipation

0.3W

0.1dB Compression (P0.1dB)

30dBm

IIP348dBm

Switching Speed

100 Max.

nsWeight

0.45 Max.

ounces

Impedance

50ΩBias Current (+5V/-5V)

70/50Max.

mA

Rev 2. 05-22-2020

Input / Output Connectors

SMA - Female

FinishGold PlatedMaterialAluminum

Sealing

Hermetically Sealed (Optional)

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Single Throw Switch 2-4GHz

Typical Applications

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA0204G
Absolute Maximum Ratings
Biasing Voltage

Ordering Information+5V±10% / -5V±10%

Note: TTL pins cannot be connected to the negative
voltage otherwise the internal driver will be damaged.

Part No.

Description

RFSPSTA0204G

SPST 2-4GHz PIN Diode
SwitchParameter

Description

Operational Temperature-40℃~+85℃(Case Temperature)

Storage Temperature-50℃~+105℃

Thermal Shock-40℃  +85℃
(5 Cycles / 10 hours)

Random VibrationMIL-STD-202G
Table 214-I, Test Condition Letter C
1.5 Hours Per Axis

High Temperature Burn In

Temperature +85℃ for 72 Hours

Shock

1. Weight >20g, 50g half sine wave for 11ms, Speed variation 3.44m/s
2. Weight <=20g, 100g Half sine wave for 6ms, Speed variation 3.75m/s
3. Total 18 times (6 directions, 3 repetitions per direction).

AltitudeStandard: 30,000 Ft (Epoxy Sealed Controlled Environment)
Optional: Hermetically Sealed (60,000 ft. 1.0 PSI min)

Hermetically Sealed(Optional)

MIL-STD-883 (For Hermetically Sealed Units)

Rev 2. 05-22-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Single Throw Switch 2-4GHz

Environmental Specifications and Test Standards

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA0204G
Input VSWR @+25℃

Output VSWR @+25℃

Isolation @+25℃

Insertion Loss @-40℃

Input VSWR @-40℃

Output VSWR @-40℃

Isolation @-40℃

Rev 2. 05-22-2020

Absorptive Coaxial Single Pole Single Throw Switch 2-4GHz

Typical Performance Plots
Insertion Loss @+25℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA0204G
Input VSWR @+85℃

Output VSWR @+85℃

Isolation @+85℃

Switching Speed

Switching Speed

Rev 2. 05-22-2020

Absorptive Coaxial Single Pole Single Throw Switch 2-4GHz

Insertion Loss @+85℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA0204G
Outline Drawing:
All Dimensions in mm [inches]

2 [0.08]

9.5 [0.37]
15 [0.59]

20 [0.79]

24 [0.94]
20 [0.79]

4- 2.8[0.11]
THRU

RF-Lambda

J0RFSPSTA0204G
F:2-4GHz
SN:XXXXXXXXXX

Absorptive Coaxial Single Pole Single Throw Switch 2-4GHz

3 [0.12][X101]

J1+5V -5V TTL GND

Truth TableTTL Control
Low(0)=0~0.8V
Voltage
THRESHOLD High(1)=2.8~5V
Control Input
Signal PathTTL
State0OFF
1ON
Control Pin Customization
available upon request

Important Notice
The information contained herein is believed to be reliable. RF-Lambda makes no warranties regarding the information contained herein.
RF-Lambda assumes no responsibility or liability whatsoever for any of the information contained herein. RF-Lambda assumes no responsibilityor liability whatsoever for the use of the information contained herein. The information contained herein is provided "AS IS, WHERE IS" andwith all faults, and the entire risk associated with such information is entirely with the user. All information contained herein is subject tochange without notice. Customers should obtain and verify the latest relevant information before placing orders for RF-Lambda products. The
information contained herein or any use of such information does not grant, explicitly or implicitly, to any party any patent rights, licenses, orany other intellectual property rights, whether with regard to such information itself or anything described by such information.
RF-Lambda products are not warranted or authorized for use as critical components in medical, life-saving, or life sustaining applications, orother applications where a failure would reasonably be expected to cause severe personal injury or death.

Rev 2. 05-22-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com