RFSP4TA5M43G
Absorptive Coaxial SP4T Switch
0.5GHz-43.5GHz
Product Description
The RFSP4TA5M43G is an absorptive coaxial single pole four throw switch
with a frequency range of 0.5 to 43.5GHz.
The power input of this switch is 23dBm Max. The Insertion Loss is 4.5dB
Max with a typical isolation of 70dB
The product features fast switching speed, low insertion loss and highisolation.
The working temperature of this product is between -40 ℃ and + 85 ℃Features••••••

Typical Applications

TTL compatible driver included
Fast Switching Speed
Low Power Cold Switching
Insertion Loss 4.5dB
Isolation 70dB
50 Ohm Matched•••••••••

Wireless Infrastructure
Military and Aerospace Applications
Test Instrumentation
Radar Systems
5G Wireless Communications
Microwave Radio Systems
TR Modules
Research and Development
Cellular Base Stations

Electrical Specifications, TA = +25°C, Vdd = +5V/5V, TTL = 0 / +5V
Parameter

Min

Typ

Frequency Range

0.5-18Insertion Loss

3.5

Insertion Loss Temperature Coefficient

0.003

Isolation

65MaxMin

TypMaxMin

18-30
4.04.550Max

30-43.5
5.05.20.003

70

Typ57Units
GHz

6.0dB

0.003

dB/ °C

50dB45

Input VSWR

2.0

2.5

2.5

3.0

2.5

3.0:1

Output VSWR

2.0

2.5

2.5

3.0

2.5

3.0:1

23dBm

RF Input Power2323

DC Power Dissipation

0.8

0.8

0.8

W

0.1dB Compression Point( P0.1dB )232323dBm

IIP3

44

4239dBm

Switching Speed

80 Max.

ns

Bias Current ( +5V / -5V )150/50 Max.

mA

Weight0.06 Max.

Ibs

Impedance

50ΩInput / Output Connectors
Package

Rev 3. 12-10-2021 | Subject to change without notice

2.92mm-Female(Input) – 2.92mm-Female(Output)
Epoxy Sealed (Standard)
Hermetically Sealed (Optional)

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Absolute Maximum Ratings
Parameter

Rating

Biasing+5V±10%/-5V±10%* TTL pins cannot be connected to the negative voltage otherwise the internal driver will be damaged.

Environmental Specifications and Test Standards
Parameter

Description

Operational Temperature-40⁰C to +85⁰C(Case Temperature)

Storage Temperature-50⁰C to +105⁰C

Thermal Shock-40⁰C  +85⁰C(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 +85⁰C 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)*For vibration testing details please see additional information section.

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Typical Performance Plots
Insertion Loss @+25℃

Input VSWR @+25℃

Output VSWR @+25℃

Isolation @+25℃

Insertion Loss @-40℃

Input VSWR @-40℃

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Typical Performance Plots
Output VSWR @-40℃

Isolation @-40℃

Insertion Loss @+85℃

Input VSWR @+85℃

Output VSWR @+85℃

Isolation @+85℃

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Typical Performance Plots
Insertion Loss Temperature Coefficient

Insertion Loss vs. Temperature

IIP3

Switching Speed

Switching Speed

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Outline Drawing

31.18 [1.23]
27.18 [1.07]

1.7 [0.07]

3- 2.2[0.096]
THRU
C4C3

C2

C1 -5V +5V

RF-Lambda
RFSP4TA5M43G
F:0.5-43.5GHz

J1J3

SN:XXXXXXXXXX

3.5 [0.14]
15 [0.59]

Truth Table
3 [0.12]

5*3 [0.12]

2.8 [0.11]

6 [0.24]J2

12 [0.47]

2.3 [0.09]

J4

16.3 [0.64]

J027 [1.06]

GND

18 [0.71]

9 [0.35][X402]

Low(0)=0~0.8V

TTL Control Voltage
THRESHOLDHigh(1)=2.8~5V

Control Input TTL

Signal Path StateC4C3C2C11111OFF1110J0-J1

110

1J0-J21011J0-J30111J0-J40000

Not UsedControl Pin Customization available upon request

Notes:
1. Package Material: Aluminum2.
Plating: Gold Plated
3. All dimensions are in millimeters [inches].
4. Housing Tolerances±0.1 [0.004]unless otherwise specified.
5. Standard torque wrench must be used to secure RF connectors.

Additional Information
Documentation

WebpageESD Policy

https://rflambda.com/pdf/rflambda_esd_control.pdf

Connector Torque Specifications

https://www.rflambda.com/pdf/Torque_Specifications.pdf

Random Vibration Test Standard

https://www.rflambda.com/pdf/rflambda_random_vibration_MIL-STD-202G.pdf

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com

RFSP4TA5M43G
Ordering Information
Part Number

Modification

Description

RFSP4TA5M43G

Input Connector 2.92mm-Female
and Output Connector 2.92mm-Female

0.5-43.5GHz SP4T PIN Diode Switch

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 responsibility orliability whatsoever for the use of the information contained herein. The information contained herein is provided "AS IS, WHERE IS" and with all faults,
and the entire risk associated with such information is entirely with the user. All information contained herein is subject to change 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, or any 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, or otherapplications where a failure would reasonably be expected to cause severe personal injury or death.

Rev 3. 12-10-2021 | Subject to change without notice

RF-LAMBDA USA LLC: www.rflambda.com
Sales: sales@rflambda.com Technical: support@rflambda.com