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  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
  • 3A High Efficiency Diode Rectifier HER303 Power Diode 200v
3A High Efficiency Diode Rectifier HER303 Power Diode 200v

3A High Efficiency Diode Rectifier HER303 Power Diode 200v

$0.01-$0.02/ Piece|5000 Piece/Pieces(Min. Order)
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3A High Efficiency Diode Rectifier HER303 Power Diode 200v

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Efficiency Rectification: The HER303 Power Diode enables unidirectional current flow, ideal for rectifier circuits, power supplies, and voltage regulation in electronic systems.
  • Through-Hole Mounting Design: Designed for easy integration into printed circuit boards (PCBs), ensuring secure and reliable installation in various applications.

Key features

  • 1. Durable Material Technology

    • With a ceramic/plastic body and corrosion-resistant metal leads, you can ensure reliable insulation and efficient conductivity in demanding electronic systems. ~20% more durable than plastic-only diodes*.

  • 2. Easy Integration Design

    • With through-hole mounting design, you can seamlessly integrate the diode into PCBs for stable, long-lasting performance. Easier to solder than surface-mount alternatives*.

  • 3. High-Performance Parameters

    • With a 3A current rating and 200V tolerance, you can handle high-power applications like power supplies and rectifiers. Outperforms standard 2A diodes by 50% in current capacity*.

  • 4. Versatile Scenario Solutions

    • Designed for power rectification and protection circuits, this diode ensures reliable unidirectional current flow in industrial and consumer electronics. Optimized for high-power use compared to general-purpose diodes*.

  • 5. Safety-Compliant Construction

    • Complies with industry safety standards for electronic components, ensuring safe operation in critical systems. Meets basic safety requirements for commercial and residential use*.

Product details

3A High Efficiency Diode Rectifier HER303 Power Diode 200v

The HER303 High Efficiency Diode Rectifier is a through-hole mounted power diode designed for robust performance in high-current and voltage applications. With a ceramic/plastic body and metallic leads, it ensures reliable unidirectional current flow in circuits up to 3A and 200V. Its cylindrical design and HER labeling signify compliance with industry standards for durability and efficiency.

Technical specifications

FeatureSpecificationApplication Scenario
Current Rating3APower supplies, rectifier circuits
Voltage Rating200VVoltage regulation in industrial gear
Mounting TypeThrough HoleEasy PCB integration for prototyping
MaterialCeramic/Plastic BodyThermal stability in harsh environments
LeadsMetal (Copper/Aluminum)High conductivity for low resistance

Customization guide

Adjustable parameters include current and voltage ratings to meet specific circuit requirements. For instance, customize the HER303 to handle higher amperage (e.g., 5A) or voltage (e.g., 300V) for specialized power applications.

Get inspired

With its HER303 design, this diode excels in applications requiring precise current control. Use it in inverters, motor drives, or protection circuits where reliability and efficiency are critical.

Choose your model

ParameterBase Model (HER303)Advanced Model (HER505)Pro Model (HER1010)
Max Current3A5A (+67%)*10A (+233%)*
Max Voltage200V300V (+50%)500V (+150%)
Forward Voltage1.1V0.9V (20% lower)*0.8V (27% lower)*
Operating Temp-55°C to +150°C-55°C to +170°C-55°C to +200°C

Supplier's note

  1. Technical Breakthroughs:

    • HER303’s 3A/200V rating outperforms standard diodes in power density, enabling compact designs.
    • Ceramic body reduces thermal resistance by 30% compared to plastic alternatives.
    • Through-hole mounting simplifies assembly, reducing PCB layout complexity by 40%.

  2. Optimal Version Selection:

    • Base Model (HER303): Ideal for consumer electronics and low-power industrial circuits (e.g., LED drivers).
    • Advanced Model (HER505): Suitable for medium-scale applications like solar inverters, where 5A/300V efficiency is critical.
    • Pro Model (HER1010): Designed for heavy-duty machinery (e.g., electric vehicle chargers) needing 10A/500V resilience.

With the Pro’s 0.8V forward voltage, you can reduce energy loss by 30% in high-current scenarios. Pair its ceramic body with high-temperature environments to ensure stable operation.

*Comparative values vs. industry benchmarks (e.g., standard 2A/150V diodes).

Frequently asked questions

  • Which diode model is best for low-voltage power supplies requiring 3A current handling?

  • How to clean and store HER303 diodes to prevent lead corrosion?

  • Ceramic vs Plastic: Which material offers better thermal resistance for HER303 diodes?

  • Can HER303 diodes be customized for higher voltage ratings beyond 200V?

  • Is the HER303 diode RoHS compliant for EU electronics projects?

  • Through-Hole vs SMD: Which mounting type is better for HER303 in industrial applications?

  • What applications are suitable for the HER303’s 3A/200V rating?

  • How does the HER303’s design ensure reliability in high-stress power circuits?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Standard Rectifier DiodePower supplies, voltage regulationReverse Voltage: 200V (Industry Standard), 250V (Our Base ▲), 300V (Our Advanced ▲▲)
Forward Voltage: 1.1V (Industry), 1.0V (Base ▲)
(IEC 60747-2 compliant)		Cost-effective, reliable for steady currents.
Through-hole mounting (IPC-A-610 Class 3) ensures robust mechanical strength.		Slower recovery time (50ns+), limited to low-frequency applications.
High-Speed Recovery DiodeSwitching power supplies, SMPSReverse Recovery Time: 30ns (Base ▲) vs 50ns (Industry), 15ns (Advanced ▲▲)
Forward Current: 5A (Industry), 8A (Base ▲)		Faster switching reduces energy loss in high-frequency circuits.
Low thermal resistance (≤ 1°C/W).		Higher cost due to advanced semiconductor design.
Limited to moderate voltage ratings (≤ 400V).
Schottky Barrier Diode (HER303)High-frequency circuits, RF applicationsForward Voltage: 0.35V (Base ▲) vs 0.4V (Industry), 0.3V (Advanced ▲▲)
Reverse Leakage: 0.5μA (Base ▲) vs 1μA (Industry)		Ultra-low forward voltage (ASTM F1927) for energy efficiency.
Fast switching (≤ 10ns recovery).		Lower reverse voltage rating (≤ 100V).
Susceptible to temperature-induced drift.
Zener DiodeVoltage regulation, reference circuitsZener Voltage Tolerance: ±5% (Industry), ±3% (Base ▲), ±1% (Advanced ▲▲)
Power Dissipation: 1W (Industry), 1.5W (Base ▲)		Stable voltage reference (IEC 60747-14 compliant).
Compact size for board integration.		Thermal drift impacts accuracy.
Higher power dissipation requires heatsinking.
Bridge Rectifier ModuleAC/DC conversion in power suppliesOutput Ripple: 70mV (Base ▲) vs 100mV (Industry), 30mV (Advanced ▲▲)
Peak Inverse Voltage: 400V (Industry), 600V (Advanced ▲▲)		Pre-assembled for easy integration.
High surge current tolerance (200A+).		Limited scalability for ultra-high-power systems.
Fixed configuration restricts customization.
Surface Mount Diode (SMD)Compact electronics, high-density boardsMounting Type: SMD (Industry), Through-Hole (Base ▲)
Footprint: 3x3mm (Industry), 2x2mm (Advanced ▲▲)		Space-saving design (ISO 9001 certified).
Reduced assembly costs for mass production.		Susceptible to mechanical stress.
Difficult to replace post-soldering.

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