R577443012 RF Switch IC DPDT 18GHz Equivalent & Substitute Parts

Part Overview

The R577443012 is an RF Switch IC featuring a Double-Pole Double-Throw (DPDT) topology designed for general-purpose RF switching applications. This active product operates across a frequency range of 0Hz to 18GHz with 50-ohm impedance matching and is housed in a module package with SMA connectors. The component is specified for supply voltages between 24V and 30V and operates across an industrial temperature range of -40°C to 85°C. Identification of equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and support component availability across manufacturing cycles.

Key Parameters

Parameter	Value
Circuit Topology	DPDT (Double-Pole Double-Throw)
RF Type	General Purpose
Frequency Range	0Hz ~ 18GHz
Impedance	50 Ohm
Isolation (Minimum)	60dB
Insertion Loss (Maximum)	0.5dB
Test Frequency	18GHz
Supply Voltage Range	24V ~ 30V
Operating Temperature Range	-40°C ~ 85°C
Package Type	Module with SMA Connectors
RoHS Compliance	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the R577443012 is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part R577413000 qualifies as a parametric equivalent because it maintains identical specifications in the following key areas:

Circuit topology remains DPDT with identical switching functionality. Frequency performance is maintained at 0Hz to 18GHz with identical test frequency of 18GHz. RF impedance is preserved at 50 ohms. Isolation performance meets the 60dB minimum specification. Insertion loss remains at 0.5dB maximum. Supply voltage range is identical at 24V to 30V. Operating temperature range is maintained at -40°C to 85°C. Package configuration remains a module with SMA connectors. Both parts carry ROHS3 compliance certification.

The substitute part R577413000 is manufactured by the same original equipment manufacturer, Radiall USA, Inc., ensuring consistency in design, quality standards, and performance characteristics.

Parameter Comparison

Parameter	R577443012 (Main Part)	R577413000 (Substitute)	Match Status
Manufacturer	Radiall USA, Inc.	Radiall USA, Inc.	Identical
Circuit Topology	DPDT	DPDT	Identical
RF Type	General Purpose	General Purpose	Identical
Frequency Range	0Hz ~ 18GHz	0Hz ~ 18GHz	Identical
Impedance	50 Ohm	50 Ohm	Identical
Isolation (Minimum)	60dB	60dB	Identical
Insertion Loss (Maximum)	0.5dB	0.5dB	Identical
Test Frequency	18GHz	18GHz	Identical
Supply Voltage Range	24V ~ 30V	24V ~ 30V	Identical
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	Identical
Package Type	Module, SMA Connectors	Module, SMA Connectors	Identical
Product Status	Active	Active	Identical
RoHS Compliance	ROHS3 Compliant	ROHS3 Compliant	Identical

Engineering Selection Recommendations

Both the R577443012 and R577413000 are active products manufactured by Radiall USA, Inc., and carry identical ROHS3 compliance certification. Selection between these parts is based on availability and supply chain requirements rather than technical performance differentiation.

The R577443012 is suitable for applications requiring immediate availability, with 968 pieces in current stock. The R577413000 serves as an equivalent alternative with 739 pieces available, providing supply chain flexibility and continuity assurance.

Both components meet all regulatory requirements for general-purpose RF switching applications operating within the 0Hz to 18GHz frequency band. The identical electrical specifications, impedance matching, isolation performance, and insertion loss characteristics ensure direct functional interchangeability in circuit designs.

Frequently Asked Questions (FAQ)

Q: Can R577413000 be used as a direct replacement for R577443012?

A: Yes. Both parts are manufactured by Radiall USA, Inc., and share identical electrical specifications including DPDT topology, 0Hz to 18GHz frequency range, 50-ohm impedance, 60dB isolation, 0.5dB insertion loss, 24V to 30V supply voltage, and -40°C to 85°C operating temperature range. Both are housed in module packages with SMA connectors and carry ROHS3 compliance.

Q: Are there any differences in package configuration between these parts?

A: Both parts utilize identical module packages with SMA connectors. No package reconfiguration or PCB layout modifications are required when substituting between these components.

Q: What is the basis for substitution between R577443012 and R577413000?

A: Substitution is based on parametric equivalence across all critical RF and electrical specifications. Both parts maintain identical performance characteristics at the 18GHz test frequency, identical isolation and insertion loss specifications, and identical supply voltage and temperature operating ranges.

Q: Do both parts carry the same compliance certifications?

A: Yes. Both R577443012 and R577413000 are ROHS3 compliant. The substitute part R577413000 carries additional certifications including REACH Affected status and EAR99 ECCN classification.

Q: Which part should be selected based on availability?

A: Selection should be based on current inventory requirements and supply chain planning. The R577443012 has 968 pieces in stock, while R577413000 has 739 pieces available. Both parts are active products with equivalent performance characteristics.

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