R574333315 RF Switch IC SP3T 3GHz Equivalent & Substitute Parts

Part Overview

The R574333315 is a general-purpose RF switch IC with SP3T (single-pole, three-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 switching applications requiring high isolation and low insertion loss characteristics.

The R574333315 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this RF switch topology.

Key Parameters

Parameter	Value
Manufacturer Part Number	R574333315
Manufacturer	Radiall USA, Inc.
Circuit Configuration	SP3T
Frequency Range	0Hz ~ 3GHz
Impedance	50Ohm
Isolation (minimum)	80dB
Insertion Loss (maximum)	0.2dB
Test Frequency	3GHz
Supply Voltage	24V ~ 30V
Operating Temperature Range	-40°C ~ 85°C
Package Type	Module
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the R574333315 are determined by strict equivalence across the following critical parameters:

Substitution Criteria:

Circuit topology: SP3T configuration
Frequency range: 0Hz ~ 3GHz operation
Impedance: 50-ohm characteristic impedance
Isolation performance: 80dB minimum
Insertion loss: 0.2dB maximum
Supply voltage: 24V ~ 30V
Operating temperature: -40°C ~ 85°C
Package form factor: Module

All identified substitute parts maintain identical electrical and mechanical specifications to the original R574333315. The substitute parts listed below are manufactured by Radiall USA, Inc., ensuring consistency in design, performance, and reliability characteristics. Substitute parts carry active product status, providing improved supply chain availability compared to the obsolete original part number.

Parameter Comparison

Parameter	R574333315	R573523310	R574003300	R574003335	R574003345	R574093305	R574093325
Manufacturer	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.	Radiall USA, Inc.
Circuit Configuration	SP3T	SP3T	SP3T	SP3T	SP3T	SP3T	SP3T
Frequency Range	0Hz ~ 3GHz	0Hz ~ 3GHz	0Hz ~ 3GHz	0Hz ~ 3GHz	0Hz ~ 3GHz	0Hz ~ 3GHz	0Hz ~ 3GHz
Impedance	50Ohm	50Ohm	50Ohm	50Ohm	50Ohm	50Ohm	50Ohm
Isolation (minimum)	80dB	80dB	80dB	80dB	80dB	80dB	80dB
Insertion Loss (maximum)	0.2dB	0.2dB	0.2dB	0.2dB	0.2dB	0.2dB	0.2dB
Test Frequency	3GHz	3GHz	3GHz	3GHz	3GHz	3GHz	3GHz
Supply Voltage	24V ~ 30V	24V ~ 30V	24V ~ 30V	24V ~ 30V	24V ~ 30V	24V ~ 30V	24V ~ 30V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	Module	Module	Module	Module	Module	Module	Module
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the R574333315. Selection among the available substitutes should be based on the following factors:

Product Status: All substitute parts carry active product status, ensuring long-term availability and supply chain support. The original R574333315 is obsolete and should be replaced with one of the active alternatives for new designs and ongoing production.

Compliance and Certifications: Parts R574003345, R574093305, and R574093325 carry RoHS3 compliance certification. Parts R573523310 and R574003300 do not list RoHS compliance status in the provided specifications. If RoHS3 compliance is a design requirement, select from R574003345, R574093305, or R574093325.

Inventory Availability: Current stock levels vary across substitute parts. R574003300 maintains the highest inventory at 1098 pieces, followed by R573523310 at 1090 pieces. R574093305 provides 1083 pieces in stock. These three options offer the strongest supply position for immediate procurement needs.

Packaging: All substitute parts are supplied in bulk packaging, consistent with the original part's module form factor.

Frequently Asked Questions (FAQ)

Q: Can the R574333315 be directly replaced with any of the listed substitute parts?

A: Yes. All listed substitute parts maintain identical electrical specifications across frequency range, impedance, isolation, insertion loss, supply voltage, and operating temperature. Direct substitution is supported without circuit modification.

Q: What is the primary reason for identifying substitutes for the R574333315?

A: The R574333315 carries obsolete product status. Substitute parts with active status ensure continued availability for production and support ongoing system requirements.

Q: Are there differences in RoHS compliance among the substitute parts?

A: Yes. Parts R574003345, R574093305, and R574093325 are certified RoHS3 compliant. Parts R573523310 and R574003300 do not list RoHS compliance in their specifications. Design requirements for environmental compliance should guide selection.

Q: Do all substitute parts use the same module package type?

A: Yes. All substitute parts utilize module packaging, maintaining mechanical compatibility with the original R574333315.

Q: Which substitute part offers the best inventory availability?

A: R574003300 provides the highest current stock level at 1098 pieces. R573523310 and R574093305 also maintain strong inventory positions at 1090 and 1083 pieces respectively.

Q: Are there any performance differences between the substitute parts?

A: No. All substitute parts meet identical electrical performance specifications for isolation, insertion loss, frequency range, and impedance. Performance is equivalent across all options.

Q: Can substitute parts be mixed in the same system?

A: Yes. All substitute parts are electrically and mechanically equivalent, allowing mixed deployment within a single system without performance degradation.

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