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Microchip Technology 2N4449UB

TRANS NPN 20V UB

Answer first: this page is a purchasing reference for the exact part number 2N4449UB from Microchip Technology. 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: Microchip Technology Part number: 2N4449UB Package: - RFQ verification required

Key Parameters

Part Number2N4449UB
ManufacturerMicrochip Technology
CategorySingle Bipolar Transistors
package-
series-
packagingBulk
product statusActive
param 1NPN
param 2-
param 320 V
param 4450mV @ 10mA, 100mA
param 5400nA
param 620 @ 100mA, 1V
param 7360 mW
param 8-
param 9-65°C ~ 200°C (TJ)
param 10Military
param 11MIL-PRF-19500/317
param 12Surface Mount
param 13UB

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

How to Verify 2N4449UB 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 2N4449UB, 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.