FSAV331MTC Equivalent & Substitute Parts

Part Overview

The FSAV331MTC is a dual 4:1 video switch IC manufactured by onsemi in a 16-TSSOP surface mount package. This component functions as a video multiplexer/demultiplexer for 2-channel applications with a maximum on-state resistance of 10Ω and -3dB bandwidth of 300MHz. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement planning.

Substiute Parts

FSAV331MTC

onsemiIn Stock: 1178FSAV331MTC Datasheet

Current PartRFQ

PI5V331QE

Diodes IncorporatedIn Stock: 2403PI5V331QE Datasheet

SimilarRFQ

PI5V331QEX

Diodes IncorporatedIn Stock: 22981PI5V331QEX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the FSAV331MTC is determined by the following critical parameters:

• Multiplexer/Demultiplexer Circuit Configuration: Must be 4:1
• Number of Channels: Must be 2
• On-State Resistance (Max): Must not exceed 10Ω
• Voltage - Supply, Single (V+): Must be compatible with 4.75V ~ 5.25V or 5V nominal
• Operating Temperature Range: Must support -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): Must be 1 (Unlimited)

The substitute parts PI5V331QE and PI5V331QEX, both manufactured by Diodes Incorporated, meet all critical electrical and mechanical parameters. Both parts maintain the 4:1 multiplexer configuration, 2-channel architecture, 10Ω maximum on-state resistance, and identical operating temperature range. The primary differences are packaging format (Tube vs. Tape & Reel) and -3dB bandwidth specification (150MHz minimum vs. 300MHz for the original part).

Parameter Comparison

Engineering Selection Recommendations

Both PI5V331QE and PI5V331QEX are functionally equivalent to the FSAV331MTC based on core electrical parameters. Selection between these alternatives should be based on the following factors:

PI5V331QE (Tube Packaging): Suitable for lower-volume applications or prototype development where individual component handling is acceptable.

PI5V331QEX (Tape & Reel Packaging): Recommended for production environments requiring automated assembly processes. This variant offers significantly higher inventory availability (22,900 pcs vs. 2,361 pcs) and is the preferred choice for volume procurement.

Both substitute parts are classified as Last Time Buy, indicating limited future availability. The Diodes Incorporated alternatives provide ROHS3 compliance, which may be required for certain regulatory or customer specifications. Package dimensions differ slightly (16-SSOP vs. 16-TSSOP), requiring PCB layout verification before implementation.

Frequently Asked Questions (FAQ)

Q: Can PI5V331QE or PI5V331QEX be used as direct replacements for FSAV331MTC?

A: Both parts meet the critical electrical specifications (4:1 multiplexer, 2 channels, 10Ω on-state resistance, -40°C to 85°C operating range). However, package dimensions differ (16-SSOP vs. 16-TSSOP), requiring PCB footprint verification. The -3dB bandwidth is reduced from 300MHz to 150MHz minimum, which must be evaluated against application requirements.

Q: What is the difference between PI5V331QE and PI5V331QEX?

A: Both parts are electrically identical. The primary difference is packaging format: PI5V331QE is supplied in Tube format for manual handling, while PI5V331QEX is supplied in Tape & Reel format for automated assembly. PI5V331QEX has substantially higher inventory availability.

Q: Are there any compliance differences between the original and substitute parts?

A: The substitute parts (PI5V331QE and PI5V331QEX) are ROHS3 compliant, while the original FSAV331MTC compliance status is not specified. Both substitute parts maintain REACH Unaffected status and identical MSL ratings.

Q: What should be verified before implementing a substitute part?

A: PCB footprint compatibility must be confirmed due to package dimension differences. Application bandwidth requirements must be assessed against the 150MHz minimum specification of the substitute parts. Supply voltage tolerance (5V nominal vs. 4.75V ~ 5.25V range) should be reviewed for your specific power distribution design.

Q: Why is the FSAV331MTC classified as obsolete?

A: The part is no longer in active production. The substitute parts from Diodes Incorporated are classified as Last Time Buy, indicating limited future availability. Procurement planning should account for this status.