R574313800 RF Switch IC SP8T 3GHz Equivalent & Substitute Parts

Part Overview

The R574313800 is a general-purpose RF switch integrated circuit with SP8T (single-pole, eight-throw) topology manufactured by Radiall USA, Inc. This component operates across the 0Hz to 3GHz frequency range with 50-ohm impedance and is designed for RF signal routing applications. The part is currently classified as obsolete, necessitating identification of active equivalent and substitute components that maintain functional compatibility within the specified electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	R574313800
Manufacturer	Radiall USA, Inc.
Series	SPnT
Circuit Configuration	SP8T
Frequency Range	0Hz ~ 3GHz
Impedance	50Ohm
Isolation (minimum)	80dB
Insertion Loss (maximum)	0.2dB
Test Frequency	3GHz
Supply Voltage	24V ~ 30V
Operating Temperature	-40°C ~ 85°C
Package Type	Module
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the R574313800 is determined by electrical and mechanical compatibility across the following critical parameters:

Primary Compatibility Criteria:

Frequency Range: 0Hz ~ 3GHz
Impedance: 50Ohm
Isolation: 80dB (minimum)
Insertion Loss: 0.2dB (maximum)
Supply Voltage: 24V ~ 30V
Operating Temperature: -40°C ~ 85°C
Package Type: Module
RF Type: General Purpose

Circuit Configuration Consideration: The R574313800 features SP8T topology. Substitute parts are available in SP3T, SP4T, and SP6T configurations. Selection of substitute parts depends on application requirements for the number of throw positions. All substitute parts maintain identical electrical performance specifications (isolation, insertion loss, impedance, frequency range, and supply voltage) and operate within the same temperature range.

Product Status: All identified substitute parts maintain active product status, ensuring ongoing availability and support compared to the obsolete main part.

Parameter Comparison

Part Number	Circuit	Frequency Range	Impedance	Isolation (min)	Insertion Loss (max)	Supply Voltage	Operating Temp	Product Status	RoHS Status
R574313800	SP8T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Obsolete	Not Specified
R573503400	SP4T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R573513620	SP6T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	ROHS3 Compliant
R573513625	SP6T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	ROHS3 Compliant
R573523310	SP3T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R573523410	SP4T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R573533400	SP4T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R573533600	SP6T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R574003300	SP3T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R574003335	SP3T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	Not Specified
R574003345	SP3T	0Hz ~ 3GHz	50Ohm	80dB	0.2dB	24V ~ 30V	-40°C ~ 85°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Availability and Product Status: All substitute parts listed maintain active product status with Radiall USA, Inc., ensuring continued manufacturing support and supply chain availability. The R574313800 obsolete status necessitates transition to one of these active alternatives.

RoHS Compliance: Parts R573513620, R573513625, and R574003345 carry ROHS3 compliance certification. Selection of these parts is appropriate for applications requiring regulatory compliance with RoHS directives. Remaining substitute parts do not specify RoHS status in available documentation.

Circuit Configuration Selection:

SP3T Configuration: R573523310, R574003300, R574003335, R574003345
SP4T Configuration: R573503400, R573523410, R573533400
SP6T Configuration: R573513620, R573513625, R573533600

Selection between these configurations depends on the number of throw positions required by the application. All configurations maintain identical electrical performance specifications.

Electrical Performance Equivalence: All substitute parts maintain the following specifications identical to the R574313800:

50-ohm impedance
80dB minimum isolation
0.2dB maximum insertion loss
0Hz to 3GHz frequency range
24V to 30V supply voltage operation
-40°C to 85°C operating temperature range

Frequently Asked Questions (FAQ)

Q: Can I directly replace the R574313800 with any of the listed substitute parts?

A: Direct replacement depends on circuit configuration requirements. The R574313800 is SP8T (eight-throw). If your application requires eight throw positions, no direct substitute is available in the provided list. If your application can function with fewer throw positions (three, four, or six), the corresponding SP3T, SP4T, or SP6T parts are electrically equivalent and mechanically compatible.

Q: What is the difference between SP3T, SP4T, SP6T, and SP8T configurations?

A: The designation indicates the number of throw positions available. SP3T provides three output positions, SP4T provides four, SP6T provides six, and SP8T provides eight. All other electrical parameters remain identical across these configurations.

Q: Are all substitute parts in the same package type?

A: Yes, all substitute parts use Module packaging identical to the R574313800.

Q: Do I need to consider RoHS compliance when selecting a substitute?

A: RoHS compliance is application-dependent. If your application or market requires RoHS3 compliance, select from R573513620, R573513625, or R574003345. Other parts do not specify RoHS status in available documentation.

Q: Will the substitute parts operate at the same voltage and temperature ranges?

A: Yes, all substitute parts operate within the identical supply voltage range (24V to 30V) and operating temperature range (-40°C to 85°C) as the R574313800.

Q: What is the inventory status of substitute parts?

A: All substitute parts maintain active inventory status with quantities ranging from 802 to 1146 pieces in stock, ensuring availability for procurement.

Q: Are there any performance differences in isolation or insertion loss between substitute parts?

A: No, all substitute parts maintain identical isolation (80dB minimum) and insertion loss (0.2dB maximum) specifications across the 0Hz to 3GHz frequency range.

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