RF Switch IC 4230-52 Equivalent & Substitute Parts

Part Overview

The pSemi 4230-52 is a general-purpose RF switch IC with SPDT (Single Pole Double Throw) topology, designed for reflective switching applications up to 3 GHz. This component operates across the 2.7V to 3.3V supply range with 50-ohm impedance matching and is housed in an 8-MSOP surface-mount package.

The 4230-52 has reached obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production requirements for systems utilizing this RF switching function.

Substiute Parts

4230-52

pSemiIn Stock: 7744230-52 Datasheet

Current PartRFQ

PE4250MLI-Z

pSemiIn Stock: 2978PE4250MLI-Z Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 4230-52 is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Circuit topology: SPDT reflective switching
• Frequency range: Must support operation up to 3 GHz minimum
• Impedance: 50-ohm characteristic impedance
• Operating temperature range: -40°C to 85°C
• Package type: 8-MSOP surface-mount configuration

Supply Voltage Consideration: The 4230-52 operates at 2.7V to 3.3V. Substitute parts must either match this voltage range or provide dual-voltage operation that includes the 2.7V to 3.3V band to ensure direct compatibility without additional power supply modifications.

Performance Parameters: Isolation, insertion loss, P1dB, and IIP3 specifications define the RF performance envelope. Substitute parts meeting or exceeding these specifications maintain functional equivalence for the intended application.

Parameter Comparison

Engineering Selection Recommendations

PE4250MLI-Z as Primary Substitute:

The PE4250MLI-Z is the direct substitute for the obsolete 4230-52. Both components share identical SPDT topology, 50-ohm impedance, 8-MSOP package configuration, and operating temperature range. The PE4250MLI-Z is actively manufactured by pSemi, ensuring supply chain continuity.

Voltage Supply Compatibility: The PE4250MLI-Z operates at 3V to 3.6V and 4.5V to 5.5V. The 3V to 3.6V band encompasses the 4230-52 operating range of 2.7V to 3.3V. For designs operating at the lower end of the 4230-52 specification (2.7V), verification of PE4250MLI-Z performance at this voltage level is necessary before implementation.

Compliance and Certification: The PE4250MLI-Z carries RoHS Compliant status and REACH Unaffected designation, providing regulatory compliance advantages over the 4230-52, which has undefined REACH status. Both components share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications.

Performance Trade-offs: The PE4250MLI-Z provides improved isolation (40 dB versus 30 dB) and superior IIP3 performance (59 dBm versus 50 dBm minimum). Insertion loss increases from 0.55 dB to 0.75 dB, and P1dB decreases from 32 dBm to 30.5 dBm. These performance differences must be evaluated against specific application requirements.

Frequently Asked Questions (FAQ)

Q: Can PE4250MLI-Z directly replace 4230-52 in existing designs?

A: PE4250MLI-Z is electrically and mechanically compatible with 4230-52 for SPDT RF switching applications up to 3 GHz. Both components use identical 8-MSOP packaging and share the same operating temperature range. Voltage supply compatibility exists within the 3V to 3.6V band. Performance differences in insertion loss and P1dB must be evaluated for specific circuit requirements.

Q: What is the key difference in voltage supply specifications?

A: The 4230-52 operates at 2.7V to 3.3V. The PE4250MLI-Z provides dual-voltage operation: 3V to 3.6V and 4.5V to 5.5V. The 3V to 3.6V range overlaps with the 4230-52 specification. Designs operating at 2.7V require performance verification before PE4250MLI-Z implementation.

Q: How do the RF performance specifications compare?

A: PE4250MLI-Z provides superior isolation (40 dB versus 30 dB) and IIP3 performance (59 dBm versus 50 dBm). Insertion loss is higher in PE4250MLI-Z (0.75 dB versus 0.55 dB), and P1dB is lower (30.5 dBm versus 32 dBm). Application-specific requirements determine whether these trade-offs are acceptable.

Q: Are there packaging differences between these components?

A: Both 4230-52 and PE4250MLI-Z use identical 8-MSOP surface-mount packages with 0.118-inch (3.00mm) width. PCB layout and assembly processes require no modification for substitution.

Q: What is the product status difference?

A: The 4230-52 is obsolete and no longer manufactured. The PE4250MLI-Z is actively produced by pSemi, ensuring long-term supply availability and support.

Q: Does PE4250MLI-Z meet current regulatory requirements?

A: PE4250MLI-Z is RoHS Compliant and REACH Unaffected. The 4230-52 has undefined REACH status. Both share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications.