Richardson Electronic collection

Richardson Electronic

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5M+

Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.

24 Months

We offer 24 months warranty on selected brands

24h

Typical quote turnaround for hard-to-source and legacy replacement requests

OEM+

New, refurbished, and surplus paths surfaced clearly for procurement teams

Hard-to-find parts, sourced fast

Real value

Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.

Built for urgent procurement

RFQ ready

Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.

Verified parts you can rely on

Trusted data

Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.

Global sourcing, local reliability

Worldwide trust.

We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.

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Richardson Electronic 4-400A

SKU · 4-400A

Richardson Electronic 4-400A

RICHARDSON ELECTRONIC 4-400A 4400A ELECTRON TUBE; POWER DISSIPATION PD:400W; DIAMETER:3.56"; HEIGHT:6.38"

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Richardson Electronic 3-500Z

SKU · 3-500Z

Richardson Electronic 3-500Z

RICHARDSON ELECTRONIC 3-500Z 3500Z ELECTRON TUBE; POWER DISSIPATION PD:500W; DIAMETER:87.33MM; HEIGHT:154.94MM

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Richardson Electronic NL10277-1

SKU · NL10277-1

Richardson Electronic NL10277-1

RICHARDSON ELECTRONIC NL10277-1 NL102771 ELECTRON TUBE; POWER DISSIPATION PD:3.5KW; DIAMETER:87MM; HEIGHT:133MM; DROP...

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Richardson Electronic 61303C45

SKU · 61303C45

Richardson Electronic 61303C45

RICHARDSON ELECTRONIC 61303C45 ELECTRON TUBE; POWER DISSIPATION PD:65W; DIAMETER:1.562"; HEIGHT:4.375"

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Richardson Electronic 5867A

SKU · 5867A

Richardson Electronic 5867A

RICHARDSON ELECTRONIC 5867A PRICE/EA. (MINBUY=5) - ELECTRON TUBE; POWER DISSIPATION PD:350W; DIAMETER:87MM; HEIGHT:127MM

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Richardson Electronic SSRI-53

SKU · SSRI-53

Richardson Electronic SSRI-53

RICHARDSON ELECTRONIC SSRI-53 SSRI53 ELECTRON TUBE; LENGTH:10.25"; HEIGHT:4.75"; DROP SHIP:YES

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