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onsemi ESDU3121MXT5G

TVS DIODE 12VWM 22VC 2X2DFN

Answer first: this page is a purchasing reference for the exact part number ESDU3121MXT5G from onsemi. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: onsemi Category: TVS Diodes Part number: ESDU3121MXT5G Package: 2-XDFN RFQ verification required

Key Parameters

Part NumberESDU3121MXT5G
Manufactureronsemi
CategoryTVS Diodes
package2-XDFN
series-
packagingTape & Reel (TR)
product statusActive
param 1Zener
param 21
param 3-
param 412V (Max)
param 514.1V
param 622V
param 78.5A (8/20µs)
param 8-
param 9No
param 10General Purpose
param 1155pF @ 1MHz
param 12-65°C ~ 150°C (TJ)
param 13-
param 14-
param 15Surface Mount
param 162-X2DFN (1x0.6)

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify ESDU3121MXT5G Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For ESDU3121MXT5G, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.