RFSP4TA5M18G-C2
Absorptive Coaxial SP4T Switch
0.5 - 18GHzFeatures

Ultra Wide Band Operation 0.5-18GHz
TTL compatible driver included
Fast Switching Speed
Low Insertion Loss and High Isolation
Customization available upon request

Typical Applications•••

Wireless Infrastructure
Military and Aerospace
Test and Measurement

Electrical Specifications, TA = +25°C, Vdd = +5V/5V, TTL = 0 / +5V
PN: RFSP4TA5M18G-C2
SP4T Absorptive Switch

Description

Low Power Cold Switching
Parameters

Min.

Typ.

Frequency Range

0.5~6Insertion Loss

1.8Insertion Loss Temperature Coefficient

0.003

Isolation

60

Max.

Min.

Typ.

Max.

Min.

6~12
2.0

2.5

3.0

70

75

Max. Units

12~18

GHz

3.40.003

78

Typ.

60

3.5dB

0.003

dB/ °C

65dB

Input VSWR

1.5

2.0

1.6

2.0

1.6

2.0:1

Output VSWR

1.5

2.0

1.6

2.0

1.6

2.0:130dBm

RF Input Power

3030

Power Dissipation

0.8

0.8

0.8

W

0.1dB Compression Point(P0.1dB)

30

30

30

dBm

IIP3424140

dBm

Switching Speed

100 Max.

nsWeight

1.5 Max.

ounces

Impedance

50ΩBias Current (+5V/-5V)

160/50 Max.

mA

Input / Output Connectors

SMA - Female

FinishGold PlatedMaterialAluminum

Sealing

Hermetically Sealed (Optional)

Rev 3. 11-11-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz•••••

www.rflambda.com

Technical : support@rflambda.com

RFSP4TA5M18G-C2
Ordering Information

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

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

Part No.

Description

RFSP4TA5M18G-C2

SP4T 0.5-18GHz PIN
Diode Switch

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. 11-11-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz

Environmental Specifications and Test Standards

www.rflambda.com

Technical : support@rflambda.com

RFSP4TA5M18G-C2
Typical Performance Plots
Input VSWR @+25℃

Output VSWR @+25℃

Isolation @+25℃

Insertion Loss @-40℃

Input VSWR @-40℃Rev 3. 11-11-2020

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz

Insertion Loss @+25℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSP4TA5M18G-C2
Isolation @-40℃

Insertion Loss @+85℃

Input VSWR @+85℃

Output VSWR @+85℃

Isolation @+85℃

Rev 3. 11-11-2020

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz

Output VSWR @-40℃

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSP4TA5M18G-C2Insertion Loss vs. Temperature

IIP3

Switching Speed

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz

Insertion Loss Temperature Coefficient

Switching Speed

Rev 3. 11-11-2020

RF-LAMBDA USA
Sales: sales@rflambda.com

www.rflambda.com

Technical : support@rflambda.com

RFSP4TA5M18G-C2
Outline Drawing:

All Dimensions in mm [inches]
Housing Tolerances±0.1 [0.004][X401]

48 [1.89]
4 [0.16]
4 [0.16]

18 [0.71]
9 [0.35]

10 [0.39]

GND

C2

C1

Absorptive Coaxial Single Pole Four Throw Switch 0.5 - 18GHz

52 [2.05]9.5 [0.37]
4 [0.16]

10 [0.39]

2 [0.08]-5V +5V

J0RF-Lambda

RFSP4TA5M18G-C2
F:0.5-18GHz

SN:XXXXXXXXXX

J4J3J2J113 [0.51]

2- 2.8[0.11]
THRU

3 [0.12]39 [1.54]

Truth TableTTL Control
Voltage
THRESHOLD

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

Control Input TTL

Signal Path State
C2C100J0-J101J0-J2
10J0-J3
11J0-J4
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 responsibility
or 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. Theinformation 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, orother applications where a failure would reasonably be expected to cause severe personal injury or death.

Rev 3. 11-11-2020

RF-LAMBDA USA
Sales: sales@rflambda.comwww.rflambda.com

Technical : support@rflambda.com