2SD2499 NPN Transistor: 1500V, TO-3PF, 2SD2499 Equivalents and Pinout
2SD2499 datasheet pdf and Unclassified product details from INCHANGE SEMICONDUCTOR CO LTD stock available at Utmel









2SD2499 is an NPN transistor manufactured in TO-3PF or also called the TO-3PM package. This article is going to introduce details about the 2SD2499 transistor.
What is 2SD2499?
The 2SD2499 is an NPN transistor that comes in a TO-3PF or TO-3PM packaging. The transistor has certain fascinating characteristics, and it was designed largely for use in horizontal deflection circuitry for TVs and monitors. Its high speed and high voltage capabilities make it excellent for use in a variety of high voltage applications up to 600V, as well as high-speed switching applications.
2SD2499 Pinout

2SD2499 Pinout
2SD2499 Features
High Voltage: Vcbo = 1500V
Low Saturation Voltage: Vce (sat) = 5V (Max.)
High Speed: tf = 0.3us (Typ.)
Built-in Damper Type
Collector Metal (Fin) is Fully Covered with Mold Resin.
2SD2499 Specifications
Package Type: TO-3PF Or TO-3PM
Transistor Type: NPN
Max Collector Current(IC): 6A
Max Collector-Emitter Voltage (VCE): 600V
Max Collector-Base Voltage (VCB): 1500V
Max Emitter-Base Voltage (VEBO): 5V
Max Collector Dissipation (Pc): 50 Watt
Max Transition Frequency (fT): 2 MHz
Minimum & Maximum DC Current Gain (hFE): 8 To 25
Max Storage & Operating temperature: -55 to +150 Centigrade
2SD2499 Applications
Motor Driver Circuits
Audio amplification
High voltage AC and DC applications
Drive load of up to 6A
2SD2499 Equivalents
2SC5250, 2SC3896, 2SC3894
Where and How to use 2SD2499
The transistor is primarily developed for use in TV and monitor deflection circuitry, but its excellent specifications also make it suitable for use in a wide range of high voltage and high-speed switching applications, as well as a wide range of general-purpose applications. This transistor can be utilized for audio amplification in addition to switching applications.
2SD2499 Dimensions

2SD2499 Dimensions
2SD2499 Manufacturer
Toshiba is a household name in Japan and has long been viewed as a symbol of the country's technological prowess. Its reputation has since been affected following an accounting scandal in 2015 and the bankruptcy of subsidiary energy company Westinghouse in 2017, after which it was forced to shed several underperforming businesses, essentially eliminating the company's century-long presence in consumer markets.
What can be 2SD2499 used for?
The 2SD2499 is an NPN transistor that comes in a TO-3PF or TO-3PM packaging. The transistor has certain fascinating characteristics, and it was designed largely for use in horizontal deflection circuitry for TVs and monitors.
What is the voltage of 2SD2499?
VCBO = 1500 V
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