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.
KST4125MTF Real Image
Same model may have multiple batches, images only for reference.

KST4125MTF

Part No KST4125MTF
Manufacturer Fairchild/ON Semiconductor
Catalog Transistors (BJT) - Single
Description TRANS PNP 30V 0.2A SOT-23
Datasheet
KST4125MTF Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Fairchild/ON Semiconductor
Packaging Reel - TR
Status Obsolete(EOL)
Transistor Polarity PNP
Maximum Current Collector 200mA
VCEO Maximum Collector-Emitter Breakdown Voltage 30V
Max Vce (sat) 400mV @ 5mA, 50mA
Collector Cut-off Current(Max) 50nA (ICBO)
Typical Gain (hFE) (Min) 50 @ 2mA, 1V
Maximum Power Dissipation 350mW
Frequency - Transition 200MHz
Mounting SMD (SMT)
Case / Package SOT-23-3
Win Source Part Number 070545-KST4125MTF
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian KST4125MTF CAD Model

Description

The Fairchild/ON Semiconductor 070545-KST4125MTF is a PNP transistor with a maximum collector-emitter breakdown voltage of 30V and a maximum current collector of 200mA.

  • Gain: 50 @ 2mA and 1V
  • Package: SOT-23-3
  • Operating Temperature: up to 150°C (TJ)
  • Frequency-Transition: 200MHz
  • Application: discrete semiconductor products
  • Maximum Power Dissipation: 350mW
  • Popularity: medium
  • Supply and Demand Status: balanced

You May Also Be Interested in

BC847BQBZ Nexperia USA Inc. – Price, Stock & Datasheet
BC847BQBZ
Nexperia USA Inc.
TRANS NPN 45V 0.1A DFN1110D-3
Lowest to $1.4553
BC807-40W-QX Nexperia USA Inc. – Price, Stock & Datasheet
BC807-40W-QX
Nexperia USA Inc.
TRANS PNP 45V 0.5A SOT-323
Lowest to $0.1456
MPSA92RLRP MICROSS/On Semiconductor – Price, Stock & Datasheet
MPSA92RLRP
MICROSS/On Semiconductor
TRANS PNP 300V 0.5A TO92
Lowest to $0.5821
DXTN58100CFDB-7 Diodes Incorporated – Price, Stock & Datasheet
DXTN58100CFDB-7
Diodes Incorporated
TRANS NPN 100V 4A UDFN2020-3
Lowest to $14.3685
BCP53-16TF Nexperia USA Inc. – Price, Stock & Datasheet
BCP53-16TF
Nexperia USA Inc.
TRANS PNP 80V 1A SOT-223
Lowest to $1.4662
BC816-25HVL Nexperia USA Inc. – Price, Stock & Datasheet
BC816-25HVL
Nexperia USA Inc.
TRANS NPN 80V 0.5A TO-236AB
Lowest to $1.4553
BC850BLT1 MICROSS/On Semiconductor – Price, Stock & Datasheet
BC850BLT1
MICROSS/On Semiconductor
TRANS NPN 45V 0.1A SOT23-3
Lowest to $0.1456
BC51PASX Nexperia USA Inc. – Price, Stock & Datasheet
BC51PASX
Nexperia USA Inc.
TRANS PNP 45V 1A DFN2020D-3
Lowest to $4.3657
BC846BW-QF Nexperia USA Inc. – Price, Stock & Datasheet
BC846BW-QF
Nexperia USA Inc.
TRANS NPN 65V 0.1A SOT-323
Lowest to $2.6195

Top Sellers

LM5069MM-2/NOPB real image1604
LM5069MM-2/NOPB
Texas Instruments
IC CTRLR HOT SWAP 48V 10-MSOP
Lowest to $4.1579
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
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
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
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.9399
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
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $8.2106
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
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
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647

Pricing & Ordering

Quantity Unit Price Ext. Price
1,085+ $0.0533 $57.8305
2,640+ $0.0438 $115.6320
4,090+ $0.0424 $173.4160
5,635+ $0.0410 $231.0350
7,290+ $0.0397 $289.4130
9,745+ $0.0356 $346.9220
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 6,000 pieces
MOQ: 1085 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