MMBTA42-7 is Discontinued and no longer carried by DigiKey.
Available Substitutes:

Direct


Diodes Incorporated
In Stock: 241,314
Unit Price: NT$7.00000
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Diodes Incorporated
In Stock: 236,830
Unit Price: NT$11.00000
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Direct


onsemi
In Stock: 14,662
Unit Price: NT$6.00000
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Nexperia USA Inc.
In Stock: 0
Unit Price: NT$11.00000
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Infineon Technologies
In Stock: 0
Unit Price: NT$2.55875
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onsemi
In Stock: 15,088
Unit Price: NT$7.00000
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onsemi
In Stock: 32,164
Unit Price: NT$8.00000
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onsemi
In Stock: 33,900
Unit Price: NT$6.00000
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Nexperia USA Inc.
In Stock: 34,463
Unit Price: NT$7.00000
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MCC (Micro Commercial Components)
In Stock: 33,063
Unit Price: NT$6.00000
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MCC (Micro Commercial Components)
In Stock: 6,062
Unit Price: NT$9.00000
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Nexperia USA Inc.
In Stock: 0
Unit Price: NT$6.00000
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Nexperia USA Inc.
In Stock: 5,362
Unit Price: NT$6.00000
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Nexperia USA Inc.
In Stock: 9,998
Unit Price: NT$6.00000
Datasheet
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 300 mW Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBTA42-7

DigiKey Part Number
MMBTA42DITR-ND - Tape & Reel (TR)
MMBTA42DICT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Product Number
MMBTA42-7
Description
TRANS NPN 300V 0.5A SOT-23-3
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 300 mW Surface Mount SOT-23-3
Datasheet
 Datasheet
EDA/CAD Models
MMBTA42-7 Models
Product Attributes
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Show Empty Attributes
Category
DC Current Gain (hFE) (Min) @ Ic, Vce
40 @ 30mA, 10V
Mfr
Power - Max
300 mW
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Frequency - Transition
50MHz
Part Status
Discontinued at DigiKey
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 (15)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBTA42-7-FDiodes Incorporated241,314MMBTA42-FDICT-NDNT$7.00000Direct
MMSTA42-7-FDiodes Incorporated236,830MMSTA42-FDICT-NDNT$11.00000Similar
MMBTA42LT3Gonsemi14,662MMBTA42LT3GOSCT-NDNT$6.00000Direct
BF820,215Nexperia USA Inc.01727-4921-1-NDNT$11.00000Similar
BFN26E6327HTSA1Infineon Technologies0BFN26E6327HTSA1TR-NDNT$2.55875Similar
Discontinued
This product is no longer carried by DigiKey. View Substitutes
All prices are in TWD
Cut Tape (CT)
QuantityUnit PriceExt Price
1NT$12.00000NT$12
Tape & Reel (TR)
QuantityUnit PriceExt Price
30,000NT$2.46813NT$74,044
75,000NT$2.42461NT$181,846