Skip to main content

Diodes Incorporated MMBTA42-7-F BJTs

TRANS NPN 300V 0.5A SOT23-3

31,182 ActiveDiodes IncorporatedSOT23-3$0.06RoHS
MMBTA42-7-F SOT23-3 package illustration

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

MMBTA42-7-F
Part Number (MPN)
MMBTA42-7-F
Detailed Description
TRANS NPN 300V 0.5A SOT23-3
Package
SOT23-3
Lifecycle Status
Active
RoHS State
RoHS Compliant
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Technical Specifications

Diodes Incorporated MMBTA42-7-F BJTs technical specifications.

General

Series
MMBTA42
RoHS
Yes
Mounting Type
SMD/SMT
Transistor Polarity
NPN
Configuration
Single
Collector Emitter Voltage Vceo Max
300 V
Collector Base Voltage Vcbo
300 V
Emitter Base Voltage Vebo
6 V
Collector Emitter Saturation Voltage
500 mV
Maximum Dc Collector Current
500 mA

Related Parts Comparison (MMBTA42-7-F vs MMBTA28-7-F vs DDTA124ECA-7-F vs MMBT2907A-7-F)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
RoHSYesYesYesYes
ConfigurationSingleSingleSingleSingle
Dc Collector Base Gain Hfe Min40100005675 at 100 uA, 10 V
PackageSOT23-3SOT23-3SOT23-3SOT23-3
Transistor PolarityNPNNPNPNPPNP
SeriesMMBTA42MMBTA28DDTA124--
Mounting TypeSMD/SMTSMD/SMTSMD/SMT--
Collector Base Voltage Vcbo300 V80 V--60 V
Collector Emitter Voltage Vceo Max300 V80 V--60 V
Emitter Base Voltage Vebo6 V12 V--5 V
Maximum Dc Collector Current500 mA500 mA--600 mA
Maximum Operating Temperature C+ 150+ 150--+ 150
Action

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

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.