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.
2SB991
Same model may have multiple batches, images only for reference.

2SB991

Part No 2SB991
Manufacturer Fairchild/ON Semiconductor
Catalog OEM Parts (0 - 9)
Sample
Rohs State Need to verify
ECAD Module
Need Help

Products specifications Report Issue?

Win Source Part Number 1036855-2SB991
Categories OEM Parts(0-9)
Manufacturer Fairchild/ON Semiconductor
Popularity Low
Supply and Demand Status Shortage
Ultra Librarian 3D Model Ultra Librarian 2SB991 CAD Model

Description

The 2SB991 is a bipolar transistor from Fairchild/ON Semiconductor.

  • Design: Designed for use in audio amplifiers and other high-fidelity applications where low distortion and high gain are critical.
  • Maximum Collector-Emitter Voltage: 150V
  • Maximum Collector Current: 1A
  • Current Gain: Up to 400
  • Ideal Use: Ideal for use in low-power amplifiers.
  • Popularity: A popular choice among audio engineers due to its high performance and low distortion.
  • Supply and Demand: Currently in shortage.

You May Also Be Interested in

Picture of 67-11/L2C-W5670X1X2B2/2T
67-11/L2C-W5670X1X2B2/2T
Everlight Electronics Co Ltd
Low Power LEDs (none SSL)
Need more? Email Us
Picture of 6DD16610AD1
6DD16610AD1
Siemens
Simatic Tdc Communication Module CP50M1 ; 6DD16610AD1
Need more? Email Us
Picture of 67503-1230-TR125
67503-1230-TR125
Molex, LLC
Mini-Reel of 67503-1230 Mini B RA Rec Black SMT S
Need more? Email Us
Picture of 65071A3
65071A3
Texas Instruments
Need more? Email Us
Picture of 6AV21252AE230AX0
6AV21252AE230AX0
Siemens
Siemens RNV_NA 6AV2125-2AE23-0AX0 - 6AV21252AE230AX0
Need more? Email Us
67L040 Real Image
67L040
Sensata Technologies/Airpax
Bimetal Disc Thermostat Open on Rise Automotive 2-Pin(2+Tab) TO-220
Need more? Email Us
643071-2 Real Image
643071-2
TE Connectivity
CONN STRAIN RELIEF COVER 2POS / Connector Cap (Cover), Strain Relief For MTA-156 Series
Lowest to $0.2516
Picture of 6A4B-D3
6A4B-D3
Diodes Incorporated
6A4 Series 400 V 6 A Through Hole High Surge Current Silicon Rectifier - R-6
Need more? Email Us
641210-2 Real Image
641210-2
TE Connectivity
CONN HEADER R/A 2POS 3.96MM / Connector Header Through Hole, Right Angle 2 position 0.156" (3.96mm)
Need more? Email Us

Top Sellers

NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
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
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.7023
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
BMI160 real image
BMI160
Bosch Sensortec
IMU ACCEL/GYRO I2C/SPI 14LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $3.6828
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
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
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $4.0391
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
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 $4.3955
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $2.2891
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $17.3800
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