R574382425 RF Switch IC SP4T 3GHz Equivalent & Substitute Parts

Part Overview

The R574382425 is an RF Switch IC with SP4T (Single Pole 4 Throw) topology designed for general purpose applications operating up to 3GHz. This component features 50 Ohm impedance, 80dB minimum isolation, and 0.2dB maximum insertion loss. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing system support and new designs.

Key Parameters

Parameter	Value
Manufacturer Part Number	R574382425
Manufacturer	Radiall USA, Inc.
Series	SPnT
Circuit Configuration	SP4T
Frequency Range	0Hz ~ 3GHz
Impedance	50 Ohm
Isolation	80dB (min)
Insertion Loss	0.2dB (max)
Test Frequency	3GHz
Voltage Supply	10.2V ~ 13V
Operating Temperature	-40°C ~ 85°C
Package Type	Module
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the R574382425 is determined by the following critical parameters:

Primary Substitution Criteria:

Circuit Configuration: SP4T topology
Frequency Range: 0Hz ~ 3GHz operation
Impedance: 50 Ohm characteristic impedance
Isolation: 80dB minimum
Insertion Loss: 0.2dB maximum
Voltage Supply: 10.2V ~ 13V
Operating Temperature: -40°C ~ 85°C
Package Type: Module form factor

Substitution Logic: Direct equivalents maintain identical SP4T circuit topology with matching electrical specifications. All substitute parts listed operate within the same frequency band, impedance class, and supply voltage range. Secondary substitutes with SP3T topology are included as functional alternatives where circuit configuration flexibility permits reduced throw count.

Parameter Comparison

Part Number	Circuit	Frequency Range	Impedance	Isolation (min)	Insertion Loss (max)	Supply Voltage	Operating Temp	Status	RoHS Compliance
R574382425	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Obsolete	N/A
R574002400	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	Not Specified
R574002420	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	ROHS3 Compliant
R574002425	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	ROHS3 Compliant
R574012405	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	Not Specified
R574032400	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	Not Specified
R574032405	SP4T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	Not Specified
R574002325	SP3T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	ROHS3 Compliant
R574012300	SP3T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	Not Specified
R574092325	SP3T	0Hz ~ 3GHz	50 Ohm	80dB	0.2dB	10.2V ~ 13V	-40°C ~ 85°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (SP4T Configuration):

The following active parts provide direct electrical and functional equivalence to the obsolete R574382425:

R574002400: Active status, identical SP4T topology and electrical specifications
R574002420: Active status, ROHS3 compliant, identical SP4T topology and electrical specifications
R574002425: Active status, ROHS3 compliant, identical SP4T topology and electrical specifications
R574012405: Active status, identical SP4T topology and electrical specifications
R574032400: Active status, identical SP4T topology and electrical specifications
R574032405: Active status, identical SP4T topology and electrical specifications

All direct equivalents maintain 50 Ohm impedance, 80dB isolation, 0.2dB insertion loss, and operate across the 0Hz to 3GHz frequency band with identical supply voltage and temperature specifications.

Functional Alternatives (SP3T Configuration):

The following active parts provide functional alternatives with reduced throw count:

R574002325: Active status, ROHS3 compliant, SP3T topology
R574012300: Active status, SP3T topology
R574092325: Active status, ROHS3 compliant, SP3T topology

SP3T alternatives maintain all electrical performance parameters but provide three throw positions instead of four. These are suitable for applications where circuit design accommodates reduced switching positions.

Compliance Consideration:

Parts designated ROHS3 compliant (R574002420, R574002425, R574002325, R574092325) satisfy environmental regulatory requirements for new designs and applications subject to RoHS directives.

Frequently Asked Questions (FAQ)

Q: Can R574002425 directly replace R574382425?

A: Yes. R574002425 is an active equivalent with identical SP4T circuit topology, 50 Ohm impedance, 80dB isolation, 0.2dB insertion loss, 0Hz to 3GHz frequency range, 10.2V to 13V supply voltage, and -40°C to 85°C operating temperature. R574002425 is ROHS3 compliant.

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

A: SP4T (Single Pole 4 Throw) provides four selectable output positions from a single input. SP3T (Single Pole 3 Throw) provides three selectable output positions. All other electrical parameters remain identical. SP3T parts are functional alternatives where circuit design permits operation with three throw positions.

Q: Are all substitute parts available in the same module package?

A: Yes. All listed substitute parts are packaged as modules, maintaining mechanical compatibility with the original R574382425 form factor.

Q: Which substitute parts have RoHS compliance certification?

A: R574002420, R574002425, R574002325, and R574092325 are designated ROHS3 compliant. Remaining parts do not specify RoHS status in available documentation.

Q: What supply voltage range applies to all substitute parts?

A: All substitute parts operate with 10.2V to 13V supply voltage, identical to the original R574382425.

Q: Do substitute parts maintain the same frequency operating range?

A: Yes. All substitute parts operate across 0Hz to 3GHz frequency range with 3GHz test frequency, matching the original part specification.

Q: What isolation and insertion loss specifications apply to substitutes?

A: All substitute parts maintain 80dB minimum isolation and 0.2dB maximum insertion loss at 3GHz test frequency, identical to R574382425 specifications.

Q: Can I use an SP3T part in a design originally specified for SP4T?

A: SP3T substitutes are functional alternatives only if circuit design accommodates three throw positions instead of four. Electrical performance parameters are identical, but switching configuration differs.

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