Skip to main content

onsemi MMBTA42LT1G BJTs

300V NPN BJT Transistor, 500mA, 50MHz, SOT-23

308,714 ActiveonsemiMMBTA42LTSOT-23$0.03
MMBTA42LT1G SOT-23 package illustration

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

MMBTA42LT1G
Manufacturer
Part Number (MPN)
MMBTA42LT1G
Base Model
Detailed Description
300V NPN BJT Transistor, 500mA, 50MHz, SOT-23
Package
SOT-23
Lifecycle Status
Active
Datasheet
PDF MMBTA42LT1G Datasheet
Quick Jump:
Ready to order?In stock and ready to ship.
Competitive Pricing
Fast & Reliable Delivery
Quality Assured

Ordering Code Family

MMBTA42LT groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

2 ordering variants listed on the family page.

View all variants

Technical Specifications

onsemi MMBTA42LT1G BJTs technical specifications.

General

RoHS
Yes
Package / Case
TO-236-3, SC-59, SOT-23-3
Mounting Type
Surface Mount
Operating Temperature
-55°C ~ 150°C (TJ)
Lifecycle Status
Active
Dc Current Gain Hfe Min IC Vce
40 @ 30mA, 10V
Power Max
225 mW
Frequency Transition
50MHz
Transistor Type
NPN
Current Collector IC Max
500 mA

Alternate Parts Comparison (MMBTA42LT1G vs MMBTA42LT1G vs MMBTA42LT3G vs BC849CLT1G)

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

This PartAlternate PartsAlternate PartsAlternate Parts
RoHSYesYesYesCompliant
Lifecycle StatusActiveActiveActiveProduction
Case Outline318-08318-08318-08318-08
CompliancePbAHPPbAHPPbAHPPbAHP
Container Qty30003000100003000
Container TypeREELREELREELREEL
Ft Min Mhz505050100
Hfe Min404040420
IC Cont a0.50.50.50.1
MSL Temp C260260260260
MSL Type1111
On TargetNNNN
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 .

This part is listed as a cross for

PMBTA42,215PMBTA42,215Nexperia
Directonsemi
Pin YesPkg YesElec Yes
NPN bipolar junction transistor for surface mount applications.
BF820,215BF820,215Nexperia
Directonsemi
Pin YesPkg YesElec Yes
BF820; BF822 - NPN high voltage transistors TO-236 3-Pin
BF822,215BF822,215Nexperia
Similaronsemi
Pin YesPkg YesElec Upgrade
BF820; BF822 - NPN high voltage transistors TO-236 3-Pin

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.