R574412400 RF Switch IC SP4T 18GHz Equivalent & Substitute Parts

Part Overview

The R574412400 is a general-purpose RF switch IC with SP4T (single-pole four-throw) topology operating across 0Hz to 18GHz frequency range. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements. The part features 50-ohm impedance, 60dB minimum isolation, and 0.5dB maximum insertion loss at 18GHz test frequency, with supply voltage range of 10.2V to 13V and operating temperature range of -40°C to 85°C.

Key Parameters

Parameter	Value
Manufacturer Part Number	R574412400
Manufacturer	Radiall USA, Inc.
Circuit Configuration	SP4T
Frequency Range	0Hz ~ 18GHz
Impedance	50Ohm
Isolation (Min)	60dB
Insertion Loss (Max)	0.5dB
Test Frequency	18GHz
Supply Voltage	10.2V ~ 13V
Operating Temperature	-40°C ~ 85°C
Package / Case	Module
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the R574412400 is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Circuit Configuration: SP4T topology
Frequency Range: 0Hz ~ 18GHz
Impedance: 50Ohm
Isolation: 60dB (Min)
Insertion Loss: 0.5dB (Max)
Supply Voltage: 10.2V ~ 13V
Operating Temperature: -40°C ~ 85°C
Package / Case: Module

Substitute parts meeting all primary criteria are classified as direct parametric equivalents. The R574412400 obsolete status is addressed through active-status alternatives that maintain identical electrical and mechanical specifications. SP3T variants are listed separately as they represent reduced-throw configurations and do not constitute direct functional equivalents for SP4T applications.

Parameter Comparison

Part Number	Circuit	Frequency Range	Impedance	Isolation (Min)	Insertion Loss (Max)	Supply Voltage	Operating Temp	Product Status	Inventory (Pcs)
R574412400	SP4T	0Hz ~ 18GHz	50Ohm	60dB	0.5dB	10.2V ~ 13V	-40°C ~ 85°C	Obsolete	827
R573412400	SP4T	0Hz ~ 18GHz	50Ohm	60dB	0.5dB	10.2V ~ 13V	-40°C ~ 85°C	Active	694
R573412405	SP4T	0Hz ~ 18GHz	50Ohm	60dB	0.5dB	10.2V ~ 13V	-40°C ~ 85°C	Active	685
R573412420	SP4T	0Hz ~ 18GHz	50Ohm	60dB	0.5dB	10.2V ~ 13V	-40°C ~ 85°C	Active	1186
R573412425	SP4T	0Hz ~ 18GHz	50Ohm	60dB	0.5dB	10.2V ~ 13V	-40°C ~ 85°C	Active	879

Engineering Selection Recommendations

Direct Equivalents (SP4T Configuration):

The following parts provide complete parametric equivalence to the R574412400 and are suitable for direct substitution in applications requiring SP4T RF switch functionality:

R573412400: Active status, 694 units in stock. Identical electrical and mechanical specifications.
R573412405: Active status, 685 units in stock. Identical electrical and mechanical specifications.
R573412420: Active status, 1186 units in stock. Identical electrical and mechanical specifications. RoHS3 compliant.
R573412425: Active status, 879 units in stock. Identical electrical and mechanical specifications. RoHS3 compliant.

Selection Priority:

Parts with RoHS3 compliance (R573412420, R573412425) are preferred for new designs subject to environmental regulations. R573412420 offers the highest inventory availability at 1186 units.

Alternative Configurations (SP3T):

SP3T variants (R573412300, R573412305, R573412320, R573412325, R573412335, R573412380) maintain identical electrical parameters but provide reduced throw capability. These are suitable only for applications requiring three-position switching rather than four-position switching.

Frequently Asked Questions (FAQ)

Q: Can R573412400 directly replace R574412400 in existing designs?

A: Yes. R573412400 maintains identical electrical specifications across frequency range, impedance, isolation, insertion loss, supply voltage, and operating temperature. Both are module-packaged components with SP4T topology.

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

A: SP4T (single-pole four-throw) provides four output positions, while SP3T (single-pole three-throw) provides three output positions. SP3T variants are not suitable for applications requiring four-position switching capability.

Q: Are RoHS3 compliant parts interchangeable with non-compliant alternatives?

A: From an electrical and mechanical standpoint, yes. However, RoHS3 compliance is required for applications subject to environmental regulations. R573412420 and R573412425 provide RoHS3 compliance while maintaining full parametric equivalence.

Q: Does packaging differ between substitute parts?

A: All substitute parts use module packaging identical to the original R574412400. Bulk packaging is specified for distribution but does not affect component functionality or pinout.

Q: What inventory considerations apply to part selection?

A: R573412420 offers the highest inventory availability at 1186 units. All listed substitutes are in active production status with confirmed stock levels.

Q: Are there frequency range limitations for any substitute parts?

A: No. All substitute parts operate across the full 0Hz to 18GHz frequency range with identical 18GHz test frequency specification.

Q: Can supply voltage be adjusted for any substitute parts?

A: No. All substitute parts require the same 10.2V to 13V supply voltage range as the original R574412400.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message