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.
UN521F-(TX) Real Image
Same model may have multiple batches, images only for reference.

UN521F-(TX)

Part No UN521F-(TX)
Manufacturer Panasonic
Catalog Transistors (BJT) - Single, Pre - Biased
Description TRANS PREBIAS NPN 150MW SMINI3
Datasheet
UN521F-(TX) Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Discrete Semiconductor Products
Manufacturer Panasonic Electronic Components
Packaging Reel - TR
Status Obsolete(EOL)
Transistor Polarity NPN - Pre-Biased
Maximum Current Collector 100mA
VCEO Maximum Collector-Emitter Breakdown Voltage 50V
Resistor - Base (R1) (Ohms) 4.7k
Resistor - Emitter Base (R2) (Ohms) 10k
Typical Gain (hFE) (Min) 30 @ 5mA, 10V
Max Vce (sat) 250mV @ 300μA, 10mA
Collector Cut-off Current(Max) 500nA
Frequency - Transition 150MHz
Maximum Power Dissipation 150mW
Mounting SMD (SMT)
Case / Package SMini3-G1
Win Source Part Number 048545-UN521F-(TX)
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian UN521F-(TX) CAD Model

Description

The UN521F-(TX) is a pre-biased NPN transistor electronic component manufactured by Panasonic Electronic Components.

  • Mounting: surface mount mounted
  • Case/Package: SMini3-G1
  • Maximum Current Collector: 100mA
  • VCEO Maximum Collector-Emitter Breakdown Voltage: 50V
  • Maximum Vce(sat): 250mV @ 300μA, 10mA
  • Collector Cut-off Current(max): 500nA
  • Typical Gain (hFE) (Min): 30 @ 5mA, 10V
  • Maximum Power Dissipation: 150mW

You May Also Be Interested in

BCR142E6327 Real Image
BCR142E6327
Infineon Technologies
BIPOLAR DIGITAL TRANSISTOR
Lowest to $0.1363
DDTC114WKA-7-F Diodes Incorporated
DDTC114WKA-7-F
Diodes Incorporated
TRANS PREBIAS NPN 200MW SC59-3
Need more? Email Us
DDTB114GU-7-F Diodes Incorporated
DDTB114GU-7-F
Diodes Incorporated
TRANS PREBIAS PNP 200MW SOT323
Need more? Email Us
DDTC114YCA-7 Diodes Incorporated
DDTC114YCA-7
Diodes Incorporated
TRANS PREBIAS NPN 200MW SOT23-3
Need more? Email Us
Picture of DTA143ZUA
DTA143ZUA
Yangzhou yangjie electronic co., ltd
Transistors - Bipolar (BJT) - Si
Lowest to $0.0235
DDTA144WUA-7-F Diodes Incorporated
DDTA144WUA-7-F
Diodes Incorporated
TRANS PREBIAS PNP 200MW SOT323
Lowest to $0.0523
DDTC124TCA-7-F Diodes Incorporated
DDTC124TCA-7-F
Diodes Incorporated
TRANS PREBIAS NPN 200MW SOT23-3
Lowest to $0.0850
DTC114EUA Real Image
DTC114EUA
Yangzhou yangjie electronic co., ltd
SOT-323 NPN 0.2W 0.1A Transisto / Pre-Biased Bipolar Transistor (BJT) NPN - Pre-Biased + Diode 50 V 100 mA 250 MHz 200 mW Surface Mount SOT-323
Lowest to $0.0150
DTA143EUA label picture
DTA143EUA
Yangzhou yangjie electronic co., ltd
SOT-323 PNP 0.2W -0.1A Transist
Lowest to $0.0149

Top Sellers

PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
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 $10.4542
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
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
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
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
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
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
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
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
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
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

Pricing & Ordering

Quantity Unit Price Ext. Price
1,855+ $0.0312 $57.8760
4,505+ $0.0256 $115.3280
6,980+ $0.0249 $173.8020
9,620+ $0.0240 $230.8800
12,440+ $0.0233 $289.8520
16,670+ $0.0208 $346.7360
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 3,710 pieces
MOQ: 1855 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