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

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Diodes Incorporated
In Stock: 234.916
Unit Price: kr.1.33000
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Diodes Incorporated
In Stock: 50.730
Unit Price: kr.2.16000
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onsemi
In Stock: 14.762
Unit Price: kr.1.20000
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Nexperia USA Inc.
In Stock: 0
Unit Price: kr.2.03000
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Infineon Technologies
In Stock: 0
Unit Price: kr.0.54578
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onsemi
In Stock: 15.088
Unit Price: kr.1.33000
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onsemi
In Stock: 32.164
Unit Price: kr.1.59000
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onsemi
In Stock: 30.478
Unit Price: kr.1.08000
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Nexperia USA Inc.
In Stock: 34.463
Unit Price: kr.1.33000
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Nexperia USA Inc.
In Stock: 0
Unit Price: kr.1.20000
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Nexperia USA Inc.
In Stock: 5.362
Unit Price: kr.1.20000
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Nexperia USA Inc.
In Stock: 9.498
Unit Price: kr.1.20000
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Infineon Technologies
In Stock: 10.500
Unit Price: kr.2.98000
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
Filter Similar Products
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-NDkr.1.33000Direct
MMSTA42-7-FDiodes Incorporated50.730MMSTA42-FDICT-NDkr.2.16000Similar
MMBTA42LT3Gonsemi14.762MMBTA42LT3GOSCT-NDkr.1.20000Direct
BF820,215Nexperia USA Inc.01727-4921-1-NDkr.2.03000Similar
BFN26E6327HTSA1Infineon Technologies0BFN26E6327HTSA1TR-NDkr.0.54578Similar
Discontinued
This product is no longer carried by DigiKey. View Substitutes
All prices are in DKK
Cut Tape (CT)
QuantityUnit PriceExt Price
1kr.2.22000kr.2.22
Tape & Reel (TR)
QuantityUnit PriceExt Price
30.000kr.0.46790kr.14,037.00
75.000kr.0.45965kr.34,473.75
Unit Price without VAT:kr.2.22000
Unit Price with VAT:kr.2.77500