RFSPSTA5M43G
Absorptive Coaxial SPST Switch
0.5-43.5GHzFeatures
Ultra Wide Band Operation 0.5-43.5GHz
TTL compatible driver included
Fast Switching Speed
Low Insertion Loss and High Isolation

Typical Applications•••

Wireless Infrastructure
Military and Aerospace
Test and Measurement

Electrical Specifications, TA = +25° C, Vdd = +5V/-5V, TTL = 0 / +5V
PN: RFSPSTA5M43GSPST Absorptive Switch
J0: Absorptive Port
J1: Reflective port
Low Power Cold Switching

Description

Parameters

Min.

Typ.

Frequency Range

0.5-8Insertion Loss

2.5Insertion Loss TemperatureCoefficient

0.003

Isolation （J0→J1）

70

Max.

Min.

Typ.

Max.

Min.

8-26.5
3.0

3.5

Typ.
26.5-43.5

4.0

4.8

0.003

80

60

Max.

65

55

Units
GHz

5.5

dB

0.003

dB/ °C

60dB

Input VSWR

2.0

2.5

2.0

2.5

2.0

2.5:1

Output VSWR

2.0

2.5

2.0

2.5

2.0

2.5

:123dBm

RF Input Power (CW)23

23

DC Power Dissipation

0.6

0.6

0.6

W

0.1dB Compression Point(P0.1dB)

23

23

23dBm

IIP3424038dBm

Switching Speed

100 Max.

nsWeight

0.55 Max.

ounces

Impedance50

ΩBias Current (+5V/-5V)

80/70 Max.

mA

Input / Output Connectors

2.92mm-Female

FinishGold PlatedMaterialAluminum

Sealing

Hermetically Sealed (Optional)

Rev 3. 07-17-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz••••

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA5M43G
Ordering Information

Absolute Maximum Ratings
Biasing+5V±10%/-5V±10%

Description

RFSPSTA5M43GSPST 0.5-43.5 GHz PIN DiodeSwitch

Environmental Specifications and Test Standards
Parameter

Description

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

Storage Temperature-50℃~+105℃

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

Random Vibration

MIL-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 3. 07-17-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz

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

Part No.

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA5M43G
Typical Performance Plots
Input VSWR @+25℃

Output VSWR @+25℃

Isolation @+25℃

Insertion Loss @-40℃Input VSWR @-40℃

Rev 3. 07-17-2020

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz

Insertion Loss @+25℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA5M43G

Isolation @-40℃

Insertion Loss @+85℃

Input VSWR @+85℃

Output VSWR @+85℃

Isolation @+85℃

Rev 3. 07-17-2020

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz

Output VSWR @-40℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA5M43GInsertion Loss vs. Temperature

IIP3

Switching Speed

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz

Insertion Loss Temperature Coefficient

Switching Speed

Rev 3. 07-17-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSPSTA5M43G
Outline Drawing:
All Dimensions in mm [inches]
Tolerances ±0.1 [0.004]

Absorptive Coaxial Single Pole Single Throw Switch 0.5-43.5GHz

3 [0.12]2 [0.08]

9.5 [0.37][X101]

4- 2.8 [0.11]
THRU

20 [0.79]
15 [0.59]

24 [0.94]
20 [0.79]
RF-Lambda

J0RFSPSTA5M43G
F:0.5-43.5GHz
SN:XXXXXXXXXX

J1+5V -5V TTL GND

4 [0.16]

6 [0.24]
4 [0.16]
4 [0.16]

Truth TableTTL ControlVoltage
THRESHOLD

Low(0)=0~0.8V
High(1)=2.8~5V

Control
State
Input TTL
0ON
1OFF
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 3. 07-17-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com