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

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Diodes Incorporated
In Stock: 234 916
Unit Price: € 0,18000
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Diodes Incorporated
In Stock: 50 730
Unit Price: € 0,29000
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onsemi
In Stock: 14 762
Unit Price: € 0,16000
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Nexperia USA Inc.
In Stock: 0
Unit Price: € 0,27000
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Infineon Technologies
In Stock: 0
Unit Price: € 0,07316
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onsemi
In Stock: 15 088
Unit Price: € 0,18000
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onsemi
In Stock: 32 164
Unit Price: € 0,21000
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onsemi
In Stock: 30 478
Unit Price: € 0,14000
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Nexperia USA Inc.
In Stock: 34 463
Unit Price: € 0,18000
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Nexperia USA Inc.
In Stock: 0
Unit Price: € 0,16000
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Nexperia USA Inc.
In Stock: 5 362
Unit Price: € 0,16000
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Nexperia USA Inc.
In Stock: 9 998
Unit Price: € 0,16000
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Infineon Technologies
In Stock: 10 500
Unit Price: € 0,40000
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 (13)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBTA42-7-FDiodes Incorporated234 916MMBTA42-FDICT-ND€ 0,18000Direct
MMSTA42-7-FDiodes Incorporated50 730MMSTA42-FDICT-ND€ 0,29000Similar
MMBTA42LT3Gonsemi14 762MMBTA42LT3GOSCT-ND€ 0,16000Direct
BF820,215Nexperia USA Inc.01727-4921-1-ND€ 0,27000Similar
BFN26E6327HTSA1Infineon Technologies0BFN26E6327HTSA1TR-ND€ 0,07316Similar
Discontinued
This product is no longer carried by DigiKey. View Substitutes
All prices are in EUR
Cut Tape (CT)
QuantityUnit PriceExt Price
1€ 0,30000€ 0,30
Tape & Reel (TR)
QuantityUnit PriceExt Price
30 000€ 0,06272€ 1 881,60
75 000€ 0,06162€ 4 621,50
Unit Price without VAT:€ 0,30000
Unit Price with VAT:€ 0,36300