High voltage diode T3509 350MA 9000V 9KV

Name: High voltage diode T3509 350MA 9000V 9KV
Brand: Shenzhen Cxcw Electronic Co., Ltd.
SKU: 60492096358_1
Price: 0.20 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

High Voltage Protection: Designed to handle up to 9000V (9KV) with a 350mA current rating, providing robust surge protection and electrical isolation in high-stress circuits.
Through-Hole Mounting: Secures the diode to circuit boards for stable, durable connections, ensuring reliability in demanding applications.

Key features

1. Corrosion-Resistant Metal Construction

With a durable metal body, ensure reliable performance in harsh industrial or outdoor environments. The corrosion-resistant design extends longevity compared to plastic-based components*.

2. Industry-Leading 9000V Voltage Rating

With a 9000V (9KV) breakdown voltage, handle extreme high-voltage applications ~30% beyond standard diodes*, making it ideal for power supplies, surge protection, and industrial equipment.

3. Through-Hole Mounting for Secure Installation

With through-hole mounting, achieve stable and vibration-resistant installation in rugged setups, outperforming surface-mount alternatives in high-stress scenarios*.

4. High Current Capacity for Heavy-Duty Use

With a 350mA continuous current rating, support demanding applications like motor control or energy conversion systems, ensuring reliability under sustained loads*.

5. Compliance with Safety and Quality Standards

Certified to meet international safety and quality standards (e.g., UL, RoHS), ensuring safe and eco-friendly integration into certified electrical systems*.

Product details

The High Voltage Diode T3509 is a rugged through-hole mounted diode designed for high-voltage applications up to 9,000V. Constructed from durable metal alloys, it features a compact prong-and-block design for secure electrical connections in demanding environments.

Technical specifications

Feature	Specification	Benefit
Material	Metal alloy	Ensures durability and thermal stability
Voltage Rating	9,000V (9KV)	Safely handles extreme voltage surges
Current Capacity	350mA	Supports high-power circuit requirements
Mounting Type	Through-hole	Easy PCB integration and secure fixation
Application Scenario	Industrial power supplies, high-voltage circuits	Reliable operation in harsh electrical environments

Customization guide

Adjustable parameters:

Prong length/shape for tailored PCB compatibility
Material plating (e.g., gold, tin) to enhance corrosion resistance
Terminal block dimensions for specialized connector systems

Get inspired

With a 9KV rating and through-hole design, the T3509 enables robust protection against voltage spikes in industrial equipment. Its metal alloy construction ensures longevity even under thermal stress, making it ideal for mission-critical systems.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Voltage Rating	8,000V	9,000V	10,000V*
Current Capacity	300mA	350mA	400mA
Operating Temp	-40°C to +85°C	-50°C to +100°C	-55°C to +125°C

Supplier's note

Key Breakthroughs:
- 9KV Voltage Rating: Outperforms industry benchmarks by 12.5%, enabling safer use in high-stress systems.
- Through-Hole Mounting: Reduces assembly complexity while improving mechanical stability.
- Metal Alloy Construction: 20% lighter than traditional steel variants, lowering thermal inertia.
Version Selection Guidance:
- Base Model: Suitable for standard industrial applications (e.g., HVAC systems) where 8KV is sufficient.
- Advanced Model: Ideal for power electronics and automotive systems requiring 350mA+ handling.
- Pro Model: Recommended for aerospace or oil/gas infrastructure needing extreme voltage (10KV) and temperature resilience.

*Pro Model exceeds IEC 60747-16 standards by 11%.

Frequently asked questions

Which high voltage diode model suits high-voltage power supply applications?
How do I clean and maintain the metallic prongs of the T3509 diode?
Why is metal the best material for the T3509 diode’s construction?
Can the T3509 diode be customized for specific circuit designs?
Is the T3509 diode UL-certified for high-voltage safety?
What makes the T3509 diode suitable for surge protection?
How does the T3509 compare to surface mount diodes for high-voltage use?
Can the T3509 diode operate in extreme temperatures?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Voltage Rating	Industrial power supplies, HV circuits	Industry Standard: 6000V (IEC 60747-4-2) Our Base: 7500V (▲) Our Advanced: 9000V (▲▲)	▲▲ Enhanced safety margin for high-stress applications IEC-compliant design	Higher voltage may increase cost and physical size (compared to standard diodes)
Current Capacity	Motor control, surge protection	Industry Standard: 200mA Our Base: 300mA (▲) Our Advanced: 350mA (▲▲)	▲▲ Supports higher load currents (e.g., 350mA @ 9000V) Reduced thermal stress	Requires larger heatsinks at peak current (▲▲)
Mounting Type	PCB assembly, rugged environments	Industry Standard: SMD (surface mount) Our Base/Advanced: Through-hole (ISO 9126)	▲▲ Superior mechanical stability in vibration-prone settings Easier manual soldering	Larger footprint compared to SMD (▲)
Reverse Recovery Time	Switching power supplies, inverters	Industry Standard: 100ns Our Base: 80ns (▲) Our Advanced: 50ns (▲▲)	▲▲ Faster switching reduces energy loss (50ns vs. 100ns) Optimized for high-frequency circuits	Advanced versions may require tighter circuit tolerances (▲▲)
Operating Temperature	Automotive, aerospace systems	Industry Standard: -40°C to +125°C Our Base: Same Our Advanced: -55°C to +150°C (▲)	▲ Advanced version withstands extreme environments (e.g., -55°C in aerospace) Military-grade reliability	Higher cost due to specialized materials (▲)
Surge Current	Lightning protection, fault scenarios	Industry Standard: 50A (8/20µs) Our Base: 100A (▲) Our Advanced: 150A (▲▲)	▲▲ Handles transient surges up to 150A (IEC 61000-4-5) Protects downstream circuits	May require additional fusing for sustained overloads (▲▲)