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Fairchild Semiconductor FJY3003R

TRANS PREBIAS NPN 50V SOT523F

Answer first: this page is a purchasing reference for the exact part number FJY3003R 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: FJY3003R Package: SC-89, SOT-490 RFQ verification required

Key Parameters

Part NumberFJY3003R
ManufacturerFairchild Semiconductor
CategorySingle, Pre-Biased Bipolar Transistors
packageSC-89, SOT-490
series-
packagingBulk
product statusObsolete
param 1NPN - Pre-Biased
param 2100 mA
param 350 V
param 422 kOhms
param 522 kOhms
param 656 @ 5mA, 5V
param 7300mV @ 500µA, 10mA
param 8100nA (ICBO)
param 9250 MHz
param 10200 mW
param 11-
param 12-
param 13Surface Mount
param 14SOT-523F

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

How to Verify FJY3003R 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 FJY3003R, 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.