MMUN2231LT1 is Obsolete and no longer manufactured.
Available Substitutes:

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onsemi
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Pre-Biased Bipolar Transistor (BJT) NPN - Pre-Biased 50 V 100 mA 246 mW Surface Mount SOT-23-3 (TO-236)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMUN2231LT1

DigiKey Part Number
MMUN2231LT1-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
MMUN2231LT1
Description
TRANS PREBIAS NPN 50V SOT23-3
Customer Reference
Detailed Description
Pre-Biased Bipolar Transistor (BJT) NPN - Pre-Biased 50 V 100 mA 246 mW Surface Mount SOT-23-3 (TO-236)
Datasheet
 Datasheet
EDA/CAD Models
MMUN2231LT1 Models
Product Attributes
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Category
Resistor - Emitter Base (R2)
2.2 kOhms
Manufacturer
onsemi
DC Current Gain (hFE) (Min) @ Ic, Vce
8 @ 5mA, 10V
Packaging
Tape & Reel (TR)
Vce Saturation (Max) @ Ib, Ic
250mV @ 5mA, 10mA
Part Status
Obsolete
Current - Collector Cutoff (Max)
500nA
Transistor Type
NPN - Pre-Biased
Power - Max
246 mW
Current - Collector (Ic) (Max)
100 mA
Mounting Type
Surface Mount
Voltage - Collector Emitter Breakdown (Max)
50 V
Package / Case
TO-236-3, SC-59, SOT-23-3
Resistors Included
R1 and R2
Supplier Device Package
SOT-23-3 (TO-236)
Resistor - Base (R1)
2.2 kOhms
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (27)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMUN2231LT1Gonsemi48,877MMUN2231LT1GOSCT-ND$0.17000Direct
DDTC123ECA-7-FDiodes Incorporated4,449DDTC123ECA-FDICT-ND$0.23000Direct
DTC123EKAT146Rohm Semiconductor7,903DTC123EKAT146CT-ND$0.23000Direct
PDTC123ET,215Nexperia USA Inc.01727-1705-1-ND$0.13000Direct
DDTC113TCA-7-FDiodes Incorporated3,266DDTC113TCA-FDICT-ND$0.21000Similar
Obsolete
Marketplace Stock: 189,000 View Now
This product is no longer manufactured. View Substitutes
Non-Cancelable/Non-Returnable

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189,000In Stock
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