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D13005A Datasheet – 450V, 4A, NPN, Transistor ( PDF )

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Part Number: D13005A, 3DD13005A

Function: 450V, 4A, High-voltage high-speed switching NPN power transistor

Package: TO-220, TO-126 Type

Manufacturer: Jilin Sino

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D13005A datasheet pdf

Description

D13005A is a high-voltage, fast-switching NPN power transistor designed for switching applications in off-line power supplies, electronic ballasts, and energy-efficient lighting systems. It offers high breakdown voltage, good current handling capability, and fast switching characteristics, making it suitable for high-frequency SMPS and inverter designs.

Features

  • High collector-emitter breakdown voltage (up to 400V)
  • High collector current capability (up to 4A)
  • Fast switching performance for high-frequency operation
  • High power dissipation capability (40W)
  • Good reliability and thermal stability
  • RoHS compliant

Pinout

D13005A datasheet

Absolute Maximum Ratings (Ta = 25 °C)

Parameter Symbol Value Unit
Collector-Base Voltage VCBO 450 V
Collector-Emitter Voltage VCEO 400 V
Emitter-Base Voltage VEBO 9 V
Collector Current IC 4 A
Power Dissipation PC 40 W
Junction Temperature Tj 150 °C
Storage Temperature Tstg -55 to 150 °C

Functional Description

  • Designed for high-voltage switching in flyback and forward converter topologies
  • Operates efficiently at high frequencies compared to standard BJTs
  • Provides good trade-off between switching speed and conduction losses

Design Notes

  • Requires proper base drive (typically via driver transformer or resistor network)
  • Use heat sink for high power operation to maintain junction temperature
  • Snubber circuits (RC or RCD) recommended to suppress voltage spikes in inductive loads
  • Ensure safe operating area (SOA) is not exceeded during switching transitions
  • Consider replacing with MOSFET in newer high-efficiency designs

Typical Applications

  • Switch-mode power supplies (SMPS)
  • Electronic ballasts for fluorescent lamps
  • Energy-saving lighting circuits (CFL)
  • High-frequency transformers and inverters
  • General-purpose power switching

How to Choose This Part

  • Select for high-voltage (>300V) switching applications
  • Suitable when cost-sensitive designs prefer BJTs over MOSFETs
  • Ensure switching frequency and efficiency requirements match BJT characteristics
  • Consider thermal management and base drive complexity

Alternative / Equivalent Products

  • MJE13005 (common equivalent)
  • 2SC13005 (Japanese designation)
  • FJP13005 (Fairchild/ON Semiconductor)
  • ST13005 (STMicroelectronics variant)

 

Other data sheets are available within the file: D13005A220, D13005A-220

D13005A Datasheet PDF Download


D13005A pdf

70504-C-50 Datasheet – Barrier Terminal Block ( PDF )

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Part Number: 70504-C-50

Function: 8.26mm Pitch Beau PCB Terminal Strip, without Mounting Ends, 4 Circuits

Manufacturer: Molex Connectors

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70504-C-50 datasheet

 

Description

70504-C-50 is a fixed-mount PCB barrier terminal strip from the Molex 38700 series, designed for secure wire-to-board connections in power and control applications. It features a screw clamp with washer structure, ensuring reliable mechanical and electrical contact for medium power levels.

Features

  • Pitch: 8.26 mm (0.325 inch)
  • Screw clamp with washer for strong wire retention
  • Barrier-style design for improved electrical isolation
  • Through-hole PCB mounting
  • High current handling capability
  • Durable thermoplastic housing (black)

Electrical Specifications

  • Current rating: 20 A
  • Voltage rating: 300 V
  • Suitable for medium power distribution and control circuits

Mechanical Characteristics

  • Mounting type: Through-hole PCB
  • Wire termination: Screw clamp with pressure plate (washer)
  • Pitch spacing: 8.26 mm → supports thicker wires and higher creepage distance
  • Component type: One-piece barrier strip

Material Information

  • Housing: High-strength thermoplastic (UL-rated)
  • Contacts: Metal alloy with plating for corrosion resistance
  • Screws: Steel with plating for durability

Functional Description

  • Provides a secure interface between external wires and PCB traces
  • Barrier walls between პოზitions reduce risk of short circuits
  • Screw clamp ensures stable connection under vibration and thermal cycling

Design Notes

  • Ensure proper PCB hole size and pad design for current handling
  • Use appropriate wire gauge to match 20A rating
  • Apply correct torque to screws to avoid संपर्क failure or damage
  • Maintain creepage/clearance distances for 300V operation
  • Consider vibration environment → screw locking may be required

How to Choose This Terminal Block

  • Select based on current (20A) and voltage (300V) requirements
  • Choose pitch according to insulation and wiring needs
  • Barrier type preferred for safety-critical or high-voltage designs
  • Verify compatibility with PCB layout and enclosure constraints

Typical Applications

  • Industrial control panels
  • Power supply distribution boards
  • HVAC systems
  • Machinery and automation equipment
  • Appliances and power electronics interfaces

Alternative / Equivalent Products

  • Molex 387 series (other პოზition counts)
  • Phoenix Contact barrier terminal blocks
  • TE Connectivity Buchanan series
  • WAGO screw terminal strips (alternative connection style)

Other data sheets are available within the file: 38700-7504, 70504C50, 0387007504, 387007504

70504-C-50 Datasheet PDF Download


70504-C-50 pdf