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Fairchild Semiconductor BAV21

DIODE GEN PURP 250V 250MA DO35

Answer first: this page is a purchasing reference for the exact part number BAV21 from Fairchild Semiconductor. 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: Fairchild Semiconductor Part number: BAV21 Package: DO-204AH, DO-35, Axial RFQ verification required

Key Parameters

Part NumberBAV21
ManufacturerFairchild Semiconductor
CategorySingle Diodes
packageDO-204AH, DO-35, Axial
series-
packagingBulk
product statusActive
param 1Standard
param 2250 V
param 3250mA
param 41.25 V @ 200 mA
param 5Fast Recovery =< 500ns, > 200mA (Io)
param 650 ns
param 7100 nA @ 200 V
param 85pF @ 0V, 1MHz
param 9-
param 10-
param 11Through Hole
param 12DO-35
param 13-50°C ~ 200°C

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

How to Verify BAV21 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 BAV21, 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.