2SC5929

NPN triple-diffused mesa power transistor, 1550V VCBO, 600V VCEO, 12A IC, 50W, TO-3PF package, designed for horizontal deflection output in CRT television applications.

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Manufacturer Part：

2SC5929

Package：

TO-3PF (TOP-3D)

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Description

Product Overview

The 2SC5929 is an NPN triple-diffused mesa power transistor specifically designed for horizontal deflection output circuits in color television and CRT display applications. Manufactured by Panasonic (Matsushita Electronics), this high-voltage device features an impressive 1550V collector-base breakdown voltage and 12A collector current rating, housed in a TO-3PF package. The triple-diffused mesa construction provides excellent high-voltage switching characteristics and fast recovery times essential for deflection circuits operating at high frequencies. With 50W of power dissipation capability and built-in damper diode functionality, the 2SC5929 is optimized for reliable horizontal output service in CRT displays and television sets.

Key Specifications

Parameter Value
Transistor Type NPN Triple Diffused Mesa
Collector-Base Voltage (VCBO) 1550 V
Collector-Emitter Voltage (VCEO) 600 V
Emitter-Base Voltage (VEBO) 7 V
Collector Current (IC) 12 A
Peak Collector Current (ICP) 22 A (non-repetitive)
Base Current (IB) 5.5 A
Collector Power Dissipation (PC) 50 W
Transition Frequency (fT) 3 MHz (typ)
Junction Temperature -55 to +150°C
Package TOP-3D / TO-3PF
Application Horizontal Deflection Output

Features

  • Ultra-high collector-base breakdown voltage: 1550V VCBO
  • High collector current capacity: 12A continuous, 22A peak
  • Triple-diffused mesa structure for high-voltage switching performance
  • Optimized for horizontal deflection output circuits
  • Fast switching characteristics for CRT deflection applications
  • TO-3PF (TOP-3D) package for through-hole mounting
  • Integrated damper diode function suitable for flyback circuits
  • Wide operating temperature range: -55°C to +150°C

Applications

  • Color television horizontal deflection output stages
  • CRT monitor and display deflection circuits
  • High-voltage switching power supplies
  • Flyback transformer drive circuits
  • High-voltage pulse generators
  • Inductive load switching applications

The 2SC5929 is a high-voltage NPN triple-diffused mesa power transistor manufactured by Panasonic (Matsushita Electronics), specifically engineered for horizontal deflection output applications in color television and CRT display systems. This device features an exceptional collector-base breakdown voltage of 1550V, enabling it to withstand the high flyback voltages encountered in horizontal deflection circuits. With a continuous collector current rating of 12A and a non-repetitive peak current capability of 22A, the 2SC5929 can handle the demanding current waveforms associated with CRT deflection yoke drive. The triple-diffused mesa construction provides a robust structure optimized for high-voltage switching operation, offering fast transition times and low saturation characteristics necessary for efficient deflection circuit operation. Packaged in a TO-3PF (TOP-3D) through-hole package, the transistor provides 50W of power dissipation capability at 25°C ambient temperature. The device incorporates characteristics suitable for damper diode operation within flyback circuits, simplifying the deflection output stage design. Operating over a temperature range of -55°C to +150°C, the 2SC5929 ensures reliable performance across varying environmental conditions. This transistor is a standard choice for CRT-based television and monitor designs requiring high-voltage horizontal output capability.

The 2SC5929 is an NPN bipolar junction transistor constructed using a triple-diffused mesa process. In this structure, three diffusion steps create the N-P-N layers with a mesa (raised) geometry that optimizes the device for high-voltage operation by concentrating the electric field away from the surface edges. In a horizontal deflection circuit, the transistor operates as a switch, conducting during the scan period to build current in the deflection yoke inductor, then turning off rapidly to allow the flyback (retrace) period where the collapsing magnetic field generates a high voltage pulse. The high VCBO rating (1550V) is critical for withstanding the voltage spike that occurs during flyback. The triple-diffused mesa structure provides both high breakdown voltage and low on-resistance, allowing the device to switch high currents efficiently. During the horizontal scan period (visible portion of the display), the transistor conducts linearly to ramp the yoke current. During retrace, the transistor is cut off and the energy stored in the deflection yoke induces a high voltage flyback pulse, which is used to generate the CRT’s high anode voltage through the flyback transformer. The device’s built-in characteristics also support damper diode operation, where the transistor’s inherent diode action helps clamp the flyback oscillation.

Pin Number Pin Name Description
1 Base (B) Control terminal – drive signal input from the horizontal driver circuit controls the collector current switching
2 Collector (C) Collector terminal – connected to the horizontal deflection yoke and flyback transformer primary; also serves as the mounting tab for heatsinking
3 Emitter (E) Emitter terminal – connected to ground/return path for the deflection current
  • Color television horizontal deflection output stages
  • CRT computer monitor deflection circuits
  • High-voltage flyback transformer driver circuits
  • High-voltage switching power supplies
  • CRT-based industrial display and test equipment
  • High-voltage pulse generation circuits
Model ManufacturerKey Difference
2SC5144 Sanyo Similar 1500V/20A horizontal deflection transistor, TO-3P
2SC5589 Sanyo 1700V/25A high-voltage deflection transistor, higher rating
2SC5903 NEC 1500V/15A horizontal output transistor, TO-3P
BU508AFI Philips 1500V/8A NPN power transistor, TO-3P, with damper diode
2SC4769 Toshiba 1500V/12A horizontal deflection transistor, TO-3P
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

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For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

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If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

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Email: [email protected]
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
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Contact Information

Email: [email protected]

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

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1. General Packaging Specifications

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: [email protected]
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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