2N4403BU is out of stock and can be placed on backorder.
Available Substitutes:

Direct


onsemi
In Stock: 0
Unit Price: $0.27000
Datasheet

Direct


onsemi
In Stock: 0
Unit Price: $0.19000
Datasheet

Upgrade


Central Semiconductor Corp
In Stock: 0
Unit Price: $0.76000
Datasheet

Similar


Diotec Semiconductor
In Stock: 0
Unit Price: $0.16000
Datasheet
Bipolar (BJT) Transistor PNP 40 V 600 mA 200MHz 625 mW Through Hole TO-92-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

2N4403BU

DigiKey Part Number
2N4403-ND
Manufacturer
Manufacturer Product Number
2N4403BU
Description
TRANS PNP 40V 0.6A TO-92-3
Manufacturer Standard Lead Time
13 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor PNP 40 V 600 mA 200MHz 625 mW Through Hole TO-92-3
Datasheet
 Datasheet
EDA/CAD Models
2N4403BU Models
Product Attributes
Filter Similar Products
Show Empty Attributes
Category
DC Current Gain (hFE) (Min) @ Ic, Vce
100 @ 150mA, 2V
Mfr
Power - Max
625 mW
Packaging
Bulk
Frequency - Transition
200MHz
Part Status
Active
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Through Hole
Current - Collector (Ic) (Max)
600 mA
Package / Case
TO-226-3, TO-92-3 (TO-226AA)
Voltage - Collector Emitter Breakdown (Max)
40 V
Supplier Device Package
TO-92-3
Vce Saturation (Max) @ Ib, Ic
750mV @ 50mA, 500mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
2N4403TARonsemi02N4403TARCT-ND$0.27000Direct
2N4403TFRonsemi02N4403D26ZTR-ND$0.19000Direct
2N4403 PBFREECentral Semiconductor Corp01514-2N4403PBFREE-ND$0.76000Upgrade
2N4403Diotec Semiconductor04878-2N4403CT-ND$0.16000Similar
In-Stock: 0
10,000 estimated in stock on 27-Nov-2026
Request Stock Notification
All prices are in USD
Bulk
QuantityUnit PriceExt Price
1$0.27000$0.27
10$0.16700$1.67
100$0.10410$10.41
500$0.07660$38.30
1,000$0.06768$67.68
2,000$0.06016$120.32
5,000$0.05199$259.95
10,000$0.04694$469.40
50,000$0.03807$1,903.50
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.