Overview
The KSC3503DSTU is an NPN Epitaxial Silicon Transistor produced by onsemi. This transistor is designed for general-purpose applications and is notable for its high voltage and low distortion characteristics. It is packaged in a TO-126-3LD (Pb-Free) case, making it suitable for a variety of electronic circuits. The device is RoHS compliant and available in both bulk box and tube packaging options.
Key Specifications
| Parameter | Symbol | Ratings | Units |
|---|---|---|---|
| Collector-Base Voltage | BVCBO | 300 | V |
| Collector-Emitter Voltage | BVCEO | 300 | V |
| Emitter-Base Voltage | BVEBO | 5 | V |
| Collector Current (DC) | IC | 100 | mA |
| Collector Current (Pulse) | ICP | 200 | mA |
| Total Device Dissipation (TC = 25°C) | PC | 7 | W |
| Total Device Dissipation (TC = 125°C) | PC | 1.2 | W |
| Junction and Storage Temperature | TJ, TSTG | −50 ~ +150 | °C |
| Thermal Resistance, Junction to Case | RθJC | 17.8 | °C/W |
| DC Current Gain | hFE | 60 ~ 120 | |
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.6 | V |
| Base-Emitter Saturation Voltage | VBE(sat) | 1 | V |
| Current Gain Bandwidth Product | fT | 150 | MHz |
| Output Capacitance | Cob | 1.8 | pF |
Key Features
- High Voltage Capability: The KSC3503DSTU has a collector-emitter voltage (VCEO) and collector-base voltage (BVCBO) of 300 V, making it suitable for high-voltage applications.
- Low Reverse Transfer Capacitance: With a low reverse transfer capacitance (Cre) of 1.8 pF at VCB = 30 V, this transistor minimizes signal distortion.
- Excellent Gain Linearity: It offers excellent gain linearity, which is crucial for low Total Harmonic Distortion (THD) in audio and other applications.
- High Frequency Operation: The transistor has a high frequency capability with a current gain bandwidth product (fT) of 150 MHz.
- Full Thermal and Electrical Spice Models: Available Spice models facilitate detailed simulation and design.
- RoHS Compliance: The device is lead-free and RoHS compliant, ensuring environmental sustainability.
- Complement to KSA1381/2SA1381: It serves as a complement to the KSA1381 and 2SA1381 transistors, offering flexibility in circuit design.
Applications
- Audio Amplifiers and Current Sources: Suitable for audio amplification and current source applications due to its high gain linearity and low distortion.
- CRT Display and Video Output: Used in CRT display and video output circuits where high voltage and low distortion are critical.
- General Purpose Amplifiers: Ideal for general-purpose amplifier applications requiring high voltage and reliability.
Q & A
- What is the collector-emitter voltage rating of the KSC3503DSTU?
The collector-emitter voltage (VCEO) rating is 300 V.
- What is the maximum collector current for the KSC3503DSTU?
The maximum DC collector current (IC) is 100 mA, and the maximum pulse collector current (ICP) is 200 mA.
- What is the thermal resistance of the KSC3503DSTU?
The thermal resistance from junction to case (RθJC) is 17.8 °C/W.
- Is the KSC3503DSTU RoHS compliant?
Yes, the KSC3503DSTU is lead-free and RoHS compliant.
- What is the current gain bandwidth product of the KSC3503DSTU?
The current gain bandwidth product (fT) is 150 MHz.
- What are the typical applications of the KSC3503DSTU?
Typical applications include audio amplifiers, CRT display and video output, and general-purpose amplifiers.
- What is the output capacitance of the KSC3503DSTU?
The output capacitance (Cob) is 1.8 pF at VCB = 30 V.
- Does the KSC3503DSTU have Spice models available?
Yes, full thermal and electrical Spice models are available for the KSC3503DSTU.
- What is the package type of the KSC3503DSTU?
The KSC3503DSTU is packaged in a TO-126-3LD (Pb-Free) case.
- What is the complement transistor to the KSC3503DSTU?
The KSC3503DSTU is a complement to the KSA1381 and 2SA1381 transistors.
