KSP42BU is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


onsemi
In Stock: 0
Unit Price: $0.43000
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Diodes Incorporated
In Stock: 0
Unit Price: $1.00000
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Diodes Incorporated
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Unit Price: $1.43000
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Diodes Incorporated
In Stock: 0
Unit Price: $0.38995
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Diodes Incorporated
In Stock: 0
Unit Price: $0.38995
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Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.10780

Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.13398

Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.11704

Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.13181
Datasheet

Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.10780

Parametric Equivalent


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.13398

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.25000
Datasheet

Parametric Equivalent


Diotec Semiconductor
In Stock: 0
Unit Price: $0.21000
Datasheet
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 625 mW Through Hole TO-92-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

KSP42BU

DigiKey Part Number
KSP42BU-ND
Manufacturer
Manufacturer Product Number
KSP42BU
Description
TRANS NPN 300V 0.5A TO-92-3
Manufacturer Standard Lead Time
31 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 300 V 500 mA 50MHz 625 mW Through Hole TO-92-3
Datasheet
 Datasheet
EDA/CAD Models
KSP42BU Models
Product Attributes
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Category
DC Current Gain (hFE) (Min) @ Ic, Vce
40 @ 30mA, 10V
Mfr
Power - Max
625 mW
Packaging
Bulk
Frequency - Transition
50MHz
Part Status
Active
Operating Temperature
150°C (TJ)
Transistor Type
Mounting Type
Through Hole
Current - Collector (Ic) (Max)
500 mA
Package / Case
TO-226-3, TO-92-3 (TO-226AA)
Voltage - Collector Emitter Breakdown (Max)
300 V
Supplier Device Package
TO-92-3
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
MPSA42onsemi0MPSA42FS-ND$0.43000Parametric Equivalent
ZTX457Diodes Incorporated0ZTX457-ND$1.00000Similar
ZTX657Diodes Incorporated0ZTX657-ND$1.43000Similar
ZTX657STZDiodes Incorporated0ZTX657STZ-ND$0.38995Similar
ZTX658STZDiodes Incorporated0ZTX658STZ-ND$0.38995Similar
In-Stock: 0
10,000 estimated in stock on 29-Apr-2027
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Marketplace Stock: 25,489 View Now
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.34000$0.34
10$0.21100$2.11
100$0.13230$13.23
500$0.09802$49.01
1,000$0.08693$86.93
2,000$0.07758$155.16
5,000$0.06743$337.15
10,000$0.06115$611.50
50,000$0.05015$2,507.50
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.

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25,489In Stock
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