2SC5171,MATUDQ(J – Transistor – Toshiba Semiconductor and Storage

2SC5171,MATUDQ(J – NPN Bipolar Transistor, 180V, 2A – Toshiba Semiconductor

Source high-performance switching and amplification with the Toshiba 2SC5171,MATUDQ(J NPN bipolar transistor. This robust through-hole component delivers reliable operation in demanding circuits, featuring a 180V collector-emitter breakdown voltage and 2A current handling. Ideal for legacy designs requiring proven Toshiba quality, PCX provides genuine obsolete parts with full traceability and rapid fulfillment.

Key Features

• Transistor Type: NPN Bipolar Junction Transistor (BJT)
• Voltage Rating: 180V Collector-Emitter Breakdown (Max)
• Current Capacity: 2A Collector Current (Max)
• Power Handling: 2W Maximum Power Dissipation
• Gain Performance: hFE ≥ 100 @ 100mA, 5V
• Switching Speed: 200MHz Transition Frequency
• Package: TO-220-3 Full Pack (Through-Hole Mount)
• Temperature Range: Operates up to 150°C Junction Temperature

Technical Details

This single BJT features low saturation voltage (1V max @ 1A) and minimal collector cutoff current (5µA ICBO). The TO-220NIS package ensures efficient heat dissipation and mechanical stability in through-hole designs. Optimized for linear amplification and medium-speed switching, its DC current gain stability supports consistent performance across industrial temperature ranges.

Typical Applications

• Power supply regulation and control circuits
• Audio amplification stages in legacy equipment
• Motor driver and relay switching modules
• CRT display deflection systems
• Industrial automation control boards

About Toshiba Semiconductor and Storage

Toshiba Semiconductor and Storage has pioneered electronic components for decades, renowned for innovation in power devices and discrete semiconductors. Their rigorous quality standards and advanced manufacturing processes ensure exceptional reliability across automotive, industrial, and consumer applications.

With a legacy of technological leadership, Toshiba components are trusted globally for critical circuit designs. PCX partners directly with Toshiba to provide authentic, factory-original parts, maintaining strict component verification protocols.

About Bipolar Junction Transistors

Bipolar Junction Transistors (BJTs) are fundamental semiconductor devices that amplify or switch electronic signals using both electron and hole charge carriers. NPN transistors like the 2SC5171 serve as current-controlled switches or amplifiers, where base current regulates larger collector-emitter current flow.

These components are essential in analog circuits, power management, and signal processing systems. Their simplicity, high gain, and robustness make them indispensable in legacy industrial equipment, audio hardware, and power control units where reliability under thermal stress is critical.

Packaging

Available in Bulk packaging. Contact PCX for reel options or custom quantities.

Frequently Asked Questions

Question: Is the 2SC5171 transistor still in production?
Answer: This part is marked obsolete by Toshiba but remains available through PCX’s inventory of legacy components.

Question: What are suitable replacements for the 2SC5171?
Answer: Contact PCX technical support for cross-reference assistance with equivalent NPN transistors matching 180V V_CE and 2A I_C ratings.

Question: Can this transistor handle motor driver applications?
Answer: Yes, its 2A current rating and TO-220 thermal performance suit DC motor drives and relay controls.

Question: What heatsink is recommended for full 2W power dissipation?
Answer: Use a TO-220 compatible heatsink with thermal resistance ≤ 15°C/W for continuous operation at maximum ratings.

Question: Does PCX provide datasheets for obsolete parts?
Answer: Yes, download the full 2SC5171 datasheet from our product page for electrical characteristics and test circuits.

Question: How do I verify component authenticity?
Answer: PCX sources exclusively from authorized channels, with batch-traceable packaging. Request COC documentation at order placement.

⚠️ Product images are representational. Actual item may vary.

Secure your legacy components now! Limited stock available for this discontinued Toshiba transistor. Order today from PCX for guaranteed genuine parts and express shipping!