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Bourns Inc. CD143A-SR3.3

TVS DIODE 3.3VWM 7VC SOT143

Answer first: this page is a purchasing reference for the exact part number CD143A-SR3.3 from Bourns 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: Bourns Inc. Category: TVS Diodes Part number: CD143A-SR3.3 Package: TO-253-4, TO-253AA RFQ verification required

Key Parameters

Part NumberCD143A-SR3.3
ManufacturerBourns Inc.
CategoryTVS Diodes
packageTO-253-4, TO-253AA
series-
packagingTape & Reel (TR)
product statusActive
param 1Steering (Rail to Rail)
param 22
param 3-
param 43.3V
param 54.5V
param 67V
param 712A (8/20µs)
param 8200W
param 9Yes
param 10Ethernet
param 114.5pF @ 1MHz
param 12-55°C ~ 125°C (TJ)
param 13-
param 14-
param 15Surface Mount
param 16SOT-143

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

How to Verify CD143A-SR3.3 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 CD143A-SR3.3, 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.