Replacement search hub

Cross-reference Center

Search a part number, manufacturer, package, or partial MPN to find mapped replacement paths and alternative candidates. Each result is a starting point for sourcing review, not an automatic approval.

Mapped cross-reference catalog

All mapped cross-reference source parts

35 mapped source matches

Nisshinbo Micro Devices Inc.7 mapped alternatives

NJM064M

Low-power quad J-FET input operational amplifier in the legacy DMP-14 (DIP-14 compatible) package. Current public Nisshinbo family reference is NJM064C/NJM064CA rather than the exact NJM064M package variant.

Package: DMP-14
Category: Linear - Amplifiers - Instrumentation, Operational Amplifiers, Buffer Amplifiers
Stock: 92,441

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
LF347DT	STMicroelectronics	Similar
TL084CD	Texas Instruments	Similar

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ON Semiconductor5 mapped alternatives

NC7SZ125

Single UHS buffer gate with 3-state output, TinyLogic UHS series, SOT-23-5. Discontinued by onsemi (2025).

Package: SOT-23-5
Category: Logic - Buffers, Drivers, Receivers, Transceivers
Stock: 117,570

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
74AUP1G125GW	Nexperia	Functional
SN74AHC1G125DBVR	Texas Instruments	Functional

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NXP Semiconductors2 mapped alternatives

PCA9554BS,118

8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.

Package: 16-HVQFN
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6408AEX1Z	NXP Semiconductors	Functional
PCA9554ARGVR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA9554D,118

8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.

Package: 16-SOIC
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6408AEX1Z	NXP Semiconductors	Functional
PCA9554DWR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA9554DB,118

8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy.

Package: 16-SSOP
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6408AEX1Z	NXP Semiconductors	Functional
PCA9554DBR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA9509PDP,118

2-channel I2C bus buffer / level translator in 8-TSSOP, listed by NXP for 2026 last-time buy.

Package: 8-TSSOP
Category: Interface - Signal Buffers, Repeaters, Splitters
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
P82B715DR	Texas Instruments	Functional
PI6ULS5V9509UEX	Diodes Incorporated	P2P

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NXP Semiconductors2 mapped alternatives

PCA9509ADP,118

2-channel I2C bus buffer / level translator in 8-TSSOP, listed by NXP for 2026 last-time buy.

Package: 8-TSSOP
Category: Interface - Signal Buffers, Repeaters, Splitters
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
P82B715DR	Texas Instruments	Functional
PI6ULS5V9509UEX	Diodes Incorporated	P2P

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NXP Semiconductors2 mapped alternatives

PCA9306D,118

2-bit bidirectional I2C/SMBus voltage-level translator in 8-SOIC, listed for 2026 last-time buy.

Package: 8-SOIC
Category: Logic - Translators, Level Shifters
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
TXS0102DCTR	Texas Instruments	Functional
PCA9306DR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA8575DB,118

16-bit I2C-bus I/O expander in 24-SSOP, listed by NXP for 2026 last-time buy.

Package: 24-SSOP
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6416AHF,128	NXP Semiconductors	Functional
PCF8575DBR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA8575PW,118

16-bit I2C-bus I/O expander in 24-TSSOP, listed by NXP for 2026 last-time buy.

Package: 24-TSSOP
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6416AHF,128	NXP Semiconductors	Functional
PCF8575PWR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA8574D,518

8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.

Package: 16-SOIC
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6408AEX1Z	NXP Semiconductors	Functional
PCF8574DWR	Texas Instruments	P2P

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NXP Semiconductors2 mapped alternatives

PCA8574PW,118

8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy.

Package: 16-TSSOP
Category: Interface - I/O Expanders
Stock: 20,000

Suggested alternatives

Alternative MPN	Manufacturer	Replacement type
PCAL6408AEX1Z	NXP Semiconductors	Functional
TCA9554PWR	Texas Instruments	P2P

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Shortage sourcing

Screen available candidates when the approved MPN is constrained or lead time is unstable.

EOL replacement

Start a controlled review for obsolete, LTB, NRND, or lifecycle-risk parts.

Cost-down alternate

Compare broader candidates when procurement needs lower cost without skipping validation.

Pin-to-pin candidate

Identify mapped candidates that still require footprint, pinout, and datasheet checks.

Functional equivalent

Shortlist parts with similar function when the approved path allows engineering review.

Relationship types

What each alternative label means

Pin-to-pin candidate

A mapped candidate where pin compatibility may be relevant, but footprint, pinout, and package drawings still need verification.

Functional equivalent

A part that may serve a similar function after electrical limits, timing, tolerance, and application behavior are checked.

Same series

A nearby part within the same or related family that may differ by rating, tolerance, package, or lifecycle state.

Similar part

A broader sourcing candidate that can help shortage or cost-down research but requires deeper technical review.

Cross-reference search is an early screening step. Before release, verify package, pinout, electrical parameters, datasheet revision, quality requirements, and internal approval rules.

Alternative part lookup

Electronic component replacement, equivalent, and cross-reference search

Use this component replacement finder when a buyer needs to search electronic part equivalents, alternative MPNs, package-compatible candidates, or supplier-supported cross-reference paths. It is built for B2B electronics sourcing teams that need a practical starting point before RFQ, shortage sourcing, EOL replacement review, or cost-down alternate research.

The Cross-reference Center connects catalog search, mapped alternative data, manufacturer paths, and RFQ support in one page. It can help shortlist possible replacements and functional equivalents, but it does not label every match as a direct replacement or guaranteed drop-in substitute.

Before approving any equivalent electronic component, compare manufacturer datasheets, package drawings, pinout, lifecycle, electrical limits, qualification requirements, and your own application conditions.

MPN replacement searchEquivalent part lookupAlternative component sourcingCross-reference RFQ support

Cross-reference FAQ

Electronic component replacement search FAQ

Short answers for buyers and engineers using cross-reference search, equivalent part lookup, and alternative component sourcing.

What is an electronic component cross-reference search?

It is a search workflow for finding catalog matches, replacement candidates, equivalent parts, or alternative components for a source MPN. The result should be treated as a shortlist for RFQ and engineering validation, not as automatic approval.

Can this tool find direct replacements or pin-to-pin alternatives?

It can surface mapped pin-to-pin candidates when data is available, but TrustCompo does not treat a search result as a guaranteed direct replacement. Buyers should verify footprint, pinout, package drawings, datasheets, and application limits.

What should I search for in the Cross-reference Center?

Search the exact manufacturer part number first. You can also use a brand name, package code, partial MPN, series keyword, or common sourcing phrase such as EOL replacement or cost-down alternate.

What happens if no alternative part is listed?

Submit the no-result RFQ form with the original part number, manufacturer, target quantity, and any approval constraints. The sourcing team can review availability, obsolete paths, and credible alternative candidates.

Does an equivalent part mean the same as a replacement part?

Not always. An equivalent part may share a function or key rating, while a replacement part may need closer package, pinout, lifecycle, and electrical compatibility. Both require validation before production release.

Can TrustCompo help with EOL or shortage replacement sourcing?

Yes. The Cross-reference Center is designed to support shortage sourcing, EOL replacement review, cost-down alternate research, and RFQ handoff for hard-to-find electronic components.