MMBTA42 is Obsolete and no longer manufactured.
Available Substitutes:

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onsemi
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Datasheet
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 240 mW Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBTA42

DigiKey Part Number
MMBTA42FSTR-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
MMBTA42
Description
TRANS NPN 300V 0.5A SOT-23-3
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 240 mW Surface Mount SOT-23-3
Datasheet
 Datasheet
EDA/CAD Models
MMBTA42 Models
Product Attributes
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Show Empty Attributes
Category
DC Current Gain (hFE) (Min) @ Ic, Vce
40 @ 30mA, 10V
Mfr
Power - Max
240 mW
Packaging
Tape & Reel (TR)
Frequency - Transition
50MHz
Part Status
Obsolete
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Surface Mount
Current - Collector (Ic) (Max)
500 mA
Package / Case
TO-236-3, SC-59, SOT-23-3
Voltage - Collector Emitter Breakdown (Max)
300 V
Supplier Device Package
SOT-23-3
Vce Saturation (Max) @ Ib, Ic
500mV @ 2mA, 20mA
Base Product Number
Current - Collector Cutoff (Max)
100nA (ICBO)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (17)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBTA42LT1Gonsemi0MMBTA42LT1GOSCT-ND€0.17000Direct
SMMBTA42LT3Gonsemi2 055SMMBTA42LT3GOSCT-ND€0.32000Direct
MMBTA42LT3Gonsemi14 756MMBTA42LT3GOSCT-ND€0.16000Similar
MSD42T1Gonsemi5 627MSD42T1GOSCT-ND€0.45000Similar
MMBTA42-7-FDiodes Incorporated231 906MMBTA42-FDICT-ND€0.18000Direct
Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types