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.
KSD1221OTU Real Image
Same model may have multiple batches, images only for reference.

KSD1221OTU

Part No KSD1221OTU
Manufacturer Fairchild/ON Semiconductor
Catalog Transistors (BJT) - Single
Description TRANS NPN 60V 3A I-PAK
Datasheet
KSD1221OTU Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Fairchild/ON Semiconductor
Packaging Tube/Rail
Status Obsolete(EOL)
Transistor Polarity NPN
Maximum Current Collector 3A
VCEO Maximum Collector-Emitter Breakdown Voltage 60V
Max Vce (sat) 1V @ 300mA, 3A
Collector Cut-off Current(Max) 100μA (ICBO)
Typical Gain (hFE) (Min) 60 @ 500mA, 5V
Maximum Power Dissipation 1W
Frequency - Transition 3MHz
Temperature Range - Operating 150°C (TJ)
Mounting Through Hole
Case / Package I-Pak
Win Source Part Number 205877-KSD1221OTU
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian KSD1221OTU CAD Model

Description

The KSD1221OTU is an NPN transistor designed for use in discrete semiconductor products.

  • Maximum Collector-Emitter Breakdown Voltage: 60V
  • Maximum Current Collector: 3A
  • Package: I-Pak
  • Typical Gain: 60 @ 500mA and 5V
  • Maximum Power Dissipation: 1W
  • Status: Obsolete and has been replaced by newer models.

You May Also Be Interested in

BC817-25-QR Nexperia USA Inc. – Price, Stock & Datasheet
BC817-25-QR
Nexperia USA Inc.
TRANS NPN 45V 0.5A TO-236AB
Lowest to $0.4366
PMBTA06-QR Nexperia USA Inc. – Price, Stock & Datasheet
PMBTA06-QR
Nexperia USA Inc.
TRANS NPN 80V 0.5A TO-236AB
Lowest to $0.3202
PZTA44-QX Nexperia USA Inc. – Price, Stock & Datasheet
PZTA44-QX
Nexperia USA Inc.
TRANS NPN 500V 0.3A SOT-223
Lowest to $10.1866
BC857CWT1 MICROSS/On Semiconductor – Price, Stock & Datasheet
BC857CWT1
MICROSS/On Semiconductor
TRANS PNP 45V 0.1A SC70-3
Lowest to $0.0583
BC817-40-Q Diotec Semiconductor AG – Price, Stock & Datasheet
BC817-40-Q
Diotec Semiconductor AG
TRANS NPN 45V 0.8A SOT23-3
Lowest to $0.0352
BCX55-16-TP Micro Commercial Co – Price, Stock & Datasheet
BCX55-16-TP
Micro Commercial Co
TRANS NPN 60V 1A SOT-89
Need more? Email Us
BC846BW-QF Nexperia USA Inc. – Price, Stock & Datasheet
BC846BW-QF
Nexperia USA Inc.
TRANS NPN 65V 0.1A SOT-323
Lowest to $2.6195
BC847BQBZ Nexperia USA Inc. – Price, Stock & Datasheet
BC847BQBZ
Nexperia USA Inc.
TRANS NPN 45V 0.1A DFN1110D-3
Lowest to $1.4553
BC816-25HR Nexperia USA Inc. – Price, Stock & Datasheet
BC816-25HR
Nexperia USA Inc.
TRANS NPN 80V 0.5A TO-236AB
Lowest to $0.8732

Top Sellers

FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
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 $0.1782
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.2271
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.4125
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
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 $41.3948
Availability: Check Availability & Quote
Notify Me When Available

Shipping Information

Shipped from HK warehouse
Expected Shipping Date Get an estimate

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