Welcome to China Electron !

RB521S30T1G

Manufacturer

ON Semiconductor

Model

RB521S30T1G

Category

semiconductor
diodes

The RB521S30T1G Schottky diode provides efficient rectification with 500mV forward voltage at 200mA, suitable for low-voltage power systems and signal switching. Its 30V reverse voltage rating and 30uA leakage current make it ideal for consumer electronics and motor control applications. Proper thermal management and soldering techniques are critical to ensure reliability in extended operating conditions.

Reference Pricing

20+ :$0.028
200+ :$0.021
600+ :$0.0168
3000+ :$0.0168
9000+ :$0.0126
21000+ :$0.014

Reference Stock

Available:978599

Specifications

Forward Voltage Drop0.35V - 0.50V
Maximum Forward Current1.0A
Maximum Reverse Voltage30V
Operating Temperature Range-50℃ - +150℃
Package TypeSOD-523
Rated CurrentNot specified
Rated VoltageNot specified
Reverse Leakage Current30uA
Switching SpeedNot specified

Function And Role

Core Function

Rectification and low voltage drop protection

Key Characteristics

  • 30V DC reverse voltage
  • 500mV forward voltage @ 200mA
  • 30uA reverse leakage current @ 10V
  • SOD-523 package

Application Domains

Basic Scenarios

  • Low-voltage power supply circuits
  • Signal switching applications

Extended Scenarios

  • Solar inverter systems
  • Motor control circuits
  • Consumer electronics power management

Precautions

Soldering

Use 260-280℃ soldering iron with 0.5-1s contact time to prevent thermal overstress

Current Limit

Max rectified current 200mA (Continuous for 1 minute), pulse current 1A (Non-continuous)

Voltage Limit

Max DC reverse voltage 30V, absolute maximum 40V

Thermal Management

Thermal resistance 50℃/W, require 10x10mm² copper pad for heat dissipation

Storage

Store in <40℃ dry environment, avoid static charge accumulation

Risk Warnings
  • ESD damage risk
  • Overvoltage destruction
  • Thermal runaway possibility

Alternative Model Params

  • Vr (DC reverse voltage)
  • Vf (Forward voltage @ If)
  • Ir (Reverse leakage current)
  • If (Rectified current)

Design Recommendations

Layout

Maintain 10mil trace width for current carrying paths

Thermal

Use thermal vias in PCB layout for heat dissipation

Compatibility

Verify with 3.3-5V systems for proper voltage handling

Testing

Perform 100% ESD testing per IEC61000-4-2 standard

Market Positioning

Strengths
  • Low forward voltage for efficiency gains
  • High reliability in industrial applications
  • R RoHS compliance for environmental requirements
Weaknesses
  • Limited to 30V operating range
  • Higher cost vs. standard diodes
  • Thermal sensitivity in continuous operation

Datasheet

Assist inquiry