EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
KSP42BU Real Image
Same model may have multiple batches, images only for reference.

KSP42BU

Part No KSP42BU
Manufacturer Fairchild/ON Semiconductor
Catalog Transistors (BJT) - Single
Description TRANS NPN 300V 0.5A TO-92
Datasheet
KSP42BU Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Fairchild/ON Semiconductor
Packaging Bulk
Status Active
Transistor Polarity NPN
Maximum Current Collector 500mA
VCEO Maximum Collector-Emitter Breakdown Voltage 300V
Max Vce (sat) 500mV @ 2mA, 20mA
Collector Cut-off Current(Max) 100nA (ICBO)
Typical Gain (hFE) (Min) 40 @ 30mA, 10V
Maximum Power Dissipation 625mW
Frequency - Transition 50MHz
Temperature Range - Operating 150°C (TJ)
Mounting Through Hole
Case / Package TO-92-3
Win Source Part Number 205881-KSP42BU
Popularity Medium
Supply and Demand Status Sufficient
Quantity per package 10k pcs
Ultra Librarian 3D Model Ultra Librarian KSP42BU CAD Model

Description

The Fairchild/ON Semiconductor KSP42BU is an NPN transistor with a maximum collector-emitter breakdown voltage of 300V and a maximum collector current of 500mA.

  • Mounting: Through-hole
  • Package: TO-92-3 case
  • Frequency Transition: 50MHz
  • Ideal for: Discrete semiconductor products
  • Maximum Power Dissipation: 625mW
  • Typical Gain: 40 @ 30mA and 10V
  • Collector Cut-Off Current: 100nA
  • Maximum Vce (sat): 500mV @ 2mA and 20mA

You May Also Be Interested in

SMMBT5401LT1G Real Image
SMMBT5401LT1G
ON Semiconductor
TRANS PNP 150V 0.5A SOT23
Lowest to $0.0733
MJ11016G Real Image
MJ11016G
ON Semiconductor
High-Current Complementary Silicon Transistors
Lowest to $13.0971
KSD526Y Real Image
KSD526Y
ON Semiconductor
NPN Epitaxial Silicon Transistor Power Amplifier Applications | TRANS NPN 80V 4A TO-220
Lowest to $0.2599
HD1750JL Real Image
HD1750JL
STMicroelectronics
High Voltage NPN Power Transistor for High Definition and New Super-Slim CRT Display
Need more? Email Us
BC556BZL1 Real Image
BC556BZL1
ON Semiconductor
Amplifier Transistors
Lowest to $0.3360
MJL21196 Real Image
MJL21196
ON Semiconductor
COMPLEMENTARY SILICON POWER TRANSISTORS | TRANS NPN 250V 16A TO264
Lowest to $0.9643
SMMBTA56LT3 ON Semiconductor
SMMBTA56LT3
ON Semiconductor
TRANS PNP 80V 0.5A SOT-23
Lowest to $0.0849
SMSD1002T1 Real Image
SMSD1002T1
ON Semiconductor
TRANS NPN SOD123
Lowest to $0.7392
ST901T Real Image
ST901T
STMicroelectronics
HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON
Lowest to $0.5735

Top Sellers

BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.8018
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2640
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $2.3760
PI3740-00-LGIZ real image
PI3740-00-LGIZ
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $18.0572
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
AR8033-AL1A real image2016
AR8033-AL1A
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
EC2-5NU real image3736
EC2-5NU
Kemet
RELAY GEN PURPOSE DPDT 2A 5V
Lowest to $0.9677
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166

Pricing & Ordering

Quantity Unit Price Ext. Price
635+ $0.0793 $50.3555
1,540+ $0.0651 $100.2540
2,385+ $0.0630 $150.2550
3,280+ $0.0610 $200.0800
4,240+ $0.0590 $250.1600
5,675+ $0.0529 $300.2075
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 53,600 pieces
MOQ: 635 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess