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Littelfuse Inc. TPSMA6L45A

TVS DIODE 45VWM 72.7VC DO221AC

Answer first: this page is a purchasing reference for the exact part number TPSMA6L45A from Littelfuse Inc.. 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: Littelfuse Inc. Category: TVS Diodes Part number: TPSMA6L45A Package: DO-221AC, SMA Flat Leads RFQ verification required

Key Parameters

Part NumberTPSMA6L45A
ManufacturerLittelfuse Inc.
CategoryTVS Diodes
packageDO-221AC, SMA Flat Leads
seriesTPSMA6L
packagingTape & Reel (TR)
product statusActive
param 1Zener
param 21
param 3-
param 445V
param 550V
param 672.7V
param 78.3A
param 8600W
param 9No
param 10-
param 11-
param 12-65°C ~ 150°C (TJ)
param 13Automotive
param 14AEC-Q101
param 15Surface Mount
param 16DO-221AC

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

How to Verify TPSMA6L45A 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 TPSMA6L45A, 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.