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Diodes Incorporated BC817-40W-7 BJTs

TRANS NPN 45V 0.5A SOT323

150,000 ActiveDiodes IncorporatedBC817SOT-323$0.04RoHS
BC817-40W-7 SOT-323 package illustration

Same model may have multiple batches, images only for reference.

BC817-40W-7
Part Number (MPN)
BC817-40W-7
Base Model
Detailed Description
TRANS NPN 45V 0.5A SOT323
Package
SOT-323
Lifecycle Status
Active
RoHS State
RoHS Compliant
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Ordering Code Family

BC817 groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

10 ordering variants listed on the family page.

View all variants

Technical Specifications

Diodes Incorporated BC817-40W-7 BJTs technical specifications.

General

Series
BC817
RoHS
Yes
Mounting Type
SMD/SMT
Transistor Polarity
NPN
Configuration
Single
Collector Emitter Voltage Vceo Max
45 V
Collector Base Voltage Vcbo
50 V
Emitter Base Voltage Vebo
5 V
Collector Emitter Saturation Voltage
700 mV
Maximum Dc Collector Current
500 mA

Alternate Parts Comparison (BC817-40W-7 vs BC817-16Q-7-F vs BC817-40Q-13-F vs BC817-16W-7)

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
RoHSYesYesYesYes
PackageSOT23-3SOT23-3SOT23-3SOT23-3
SeriesBC817--BC817-16Q / -25Q / -40QBC817
Mounting TypeSMD/SMT--SMD/SMTSMD/SMT
Collector Base Voltage Vcbo50 V--50 V50 V
Collector Emitter Saturation Voltage700 mV--700 mV700 mV
Collector Emitter Voltage Vceo Max45 V--45 V45 V
ConfigurationSingle--SingleSingle
Emitter Base Voltage Vebo5 V--5 V5 V
Gain Bandwidth Product Ft100 MHz--100 MHz100 MHz
Maximum Dc Collector Current500 mA--500 mA500 mA
Pd Power Dissipation200 mW--310 mW200 mW
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

BC817-40WT1GBC817-40WT1Gonsemi
Directonsemi
Pin YesPkg YesElec Yes
45 V, 0.5 A, General Purpose NPN Transistor SS SC70 GP XSTR NPN 45V, 3000-REEL

More Parts in BJTs

Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.