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8205A

Manufacturer

Yongyutai

Model

8205A

Category

semiconductor
transistors

The YONGYUTAI 8205A is a cost-effective N-Channel MOSFET designed for low-power switching applications, offering 20V rating and 30mΩ on-resistance. It features 5A continuous current handling with 500mV gate threshold voltage, making it suitable for motor control and power supply circuits. Thermal performance requires careful heatsink design for continuous operation, and it is optimized for compact PCB layouts in portable devices. The RoHS-compliant SOT-23-6 packaging ensures easy integration into surface-mounted systems while maintaining reliability in -55℃ to +150℃ temperature ranges.

Reference Pricing

10+ :$0.0364
100+ :$0.0322
300+ :$0.0266
3000+ :$0.0224
6000+ :$0.0224
9000+ :$0.0196

Reference Stock

Available:11144

Specifications

Drain Current (Id)4.5A
Drain-Source Voltage (Vds)20V
Gate-Source Voltage (Vgs)±12V
On-Resistance (Rds(on))19mΩ - 29mΩ
Operating Temperature Range-55℃ ~ 150℃
Package MaterialNot provided
Package TypeSOT-23-6
Rated VoltageNot provided
Switching SpeedNot provided
Threshold Voltage (Vth)0.55V - 0.95V
Transconductance (gm)Not provided

Function And Role

Core Function

Low-power switching and amplification in electronic circuits

Key Characteristics

  • 20V drain-source voltage
  • 5A continuous drain current
  • 30mΩ on-resistance at 2.5V
  • 500mV gate threshold voltage
  • 125pF reverse transfer capacitance
  • 800pF input capacitance
  • 11nC gate charge at 4.5V
  • 2 N-Channel configuration

Application Domains

Basic Scenarios

  • Low-power motor control
  • LED driver circuits
  • DC-DC converter switching
  • Small signal amplification

Extended Scenarios

  • Renewable energy systems
  • Portable device power management
  • Automotive sensor interfaces
  • Medical device power regulation

Precautions

Soldering

Use 260-280℃ soldering temperature for 20-30 seconds per pin

Current Limit

Max continuous current 5A (10A peak), derate above 85℃

Voltage Limit

Max Vdss 20V, absolute maximum 25V for 1 second

Thermal Management

Thermal resistance 62.5°C/W, require heatsink for >3W dissipation

Storage

Store in <10% RH environment, maximum 1 year shelf life

Risk Warnings
  • Static discharge risk (ESD rating 2kV)
  • Avoid reverse bias operation
  • Maximum junction temperature 150℃

Alternative Model Params

  • Vdss (20V±5%)
  • RDS(on) (30mΩ±10%)
  • Id (5A continuous)
  • Vgs(th) (500mV±100mV)
  • Operating temp (-55℃~+150℃)

Design Recommendations

Layout

Maintain 3mm trace width for gate drive paths

Thermal

Use 0.5W copper heatsinks for continuous operation

Compatibility

Verify gate driver compatibility with 4.5-5.5V supply

Testing

Perform 100% AOI inspection for SOT-23-6 packaging

Market Positioning

Strengths
  • Cost-effective (USD$0.0176/10k units)
  • Compact SOT-23-6 packaging
  • High efficiency (RDS(on) <30mΩ)
  • RoHS compliant
Weaknesses
  • Limited to <5A applications
  • Lower switching frequency capability
  • No built-in protection diodes

Datasheet

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