9/10 NPS Score

Cross Reference + Obsolescence Management + Part Search

Unlimited Cross References For Electronic Components

Access 1B+ cross references for components ranging from passives to semiconductors instantly. Compare parametric differences side-by-side, identify drop-in replacements, and keep production running.

Trusted by engineering and supply chain teams at leading OEMs

Everything you need, in one platform

Cross Reference

Easily view form-fit-function crosses from multiple suppliers, or replacements from the same supplier.

Compare Parts

Side-by-side technical comparisons of parametric features without having to open PDF datasheets.

Part Search

Access deep technical data on over 100 commodity lines, from passives to actives and semiconductors.

BOM Level Crosses

Conduct deep risk analyses across all of your BOMs and find crosses for parts in your bill of materials.

Advanced Filters

Filter form-fit-function crosses from multiple suppliers based on your design needs.

Lead Time & Pricing

View real-time lead time and pricing on 1 billion+ parts and avoid selecting parts that won't fit your delivery date.

Does Z2 work for you?

  • Verified cross references for millions of parts
  • Side-by-side comparisons of parametric features
  • Cross part differences are graded and categorized
  • Easily find replacements from the same supplier
  • Part Selection Risk Scores for each suggested cross
  • Advanced filters and cross-reference search options
Get Started Free

What customers say

Z2 lets our team react quickly to early warning signs, avoiding product redesigns and inventory over-purchasing.
James Slider Chief Executive Officer, PDW
Z2 touches all aspects of the component, from design to manufacturing. Each department saves so much time using the platform.
Adam Doolittle Component Engineer, QSC
A hundred percent. This would be helpful for all semiconductor-based organizations — they should all use this tool.
Kamalesh Sampathkumar Sr. Manager, Global Procurement, Enphase

Cross referencing, answered

What is an electronic component cross reference?

An electronic component cross reference helps you find equivalent or alternate parts when a component is obsolete, unavailable, or too expensive. It supports part number cross reference, parts cross reference, and cross reference electronic components across manufacturers.

How does a part number cross reference work?

A part number cross reference matches a manufacturer part number to compatible alternatives based on electrical, mechanical, and functional specifications. This enables faster alternate part number search and reduces sourcing delays.

Can I find alternative electronic components for obsolete parts?

Yes. Z2 allows you to find alternative electronic components, including semiconductors, connectors, and passives, when original parts are end-of-life or constrained.

What is a semiconductor cross reference?

A semiconductor cross reference identifies equivalent ICs, transistors, and diodes across manufacturers. This includes IC chip cross reference, transistor equivalent finder, and diode cross reference to ensure functional compatibility.

How does a transistor cross reference guide help?

A transistor cross reference guide compares electrical ratings, pinouts, and performance to find safe replacements. Tools like NTE transistor cross reference and transistor equivalent search help engineers avoid redesigns.

What is a connector cross reference?

A connector cross reference helps match compatible connectors across manufacturers such as Molex. Connector cross reference tools ensure mechanical fit, pin compatibility, and reliable interchangeability.

Can I cross reference electronic parts from multiple suppliers?

Yes. Electronic part cross reference tools search across manufacturers, distributors, and electronic parts brokers to identify alternates and improve sourcing flexibility.

Why use a cross reference search for electronic components?

A cross reference search speeds up sourcing, reduces downtime, and minimizes redesign risk. Electronic component cross reference tools help teams maintain production when parts are constrained or discontinued.

See what Z2 can do for your team.