SMD MELF Leadless Glass Discharge Tube G3S 2.6x5.0mm 500V ±30% 1KA Surge Arrester
Price:
Negotiable
MOQ:
1500pcs
Delivery Time:
7-10 Workdays
Brand:
AMPFORT
Product Description
Product Overview
SMD MELF leadless glass discharge tube G3S 2.6x5.0mm surge arrester with 500V ±30% DC spark over voltage and 1KA impulse discharge current rating.
Applications
- Power supplies and motor spark elimination
- Relay switching spark absorption
- Data line pulse protection
- Electronic devices requiring UL497A and UL497B compliance
- Telephone/Fax/Modem equipment
- High frequency signal transmitters and receivers
- Satellite antenna systems
- Radio amplifiers and alarm systems
- Cathode ray tubes in monitors and TVs
Key Features
- Approximately zero leakage current before clamping voltage
- Minimal decay at on/off state transitions
- High capability to withstand repeated lightning strikes
- Low electrode capacitance (≤1.0pF) and high isolation (≥100MΩ)
- RoHS compliant and bilateral symmetrical design
- Insensitive to temperature, humidity, and light variations
- Operating temperature: -25℃ to +65℃
- Storage temperature: -25℃ to +85℃
- Meets MSL level 1 per J-STD-020 standard
Physical Dimensions
Compact 2.6x5.0mm leadless glass package suitable for surface mount applications.
Electrical Performance Specifications
| Part No. | DC Spark Over Voltage (100v/s)V | Impulse Spark Over Voltage (1kv/μs)V | Insulation Resistance MΩ | Electrode Capacitance 1MHz 0.5V PF | Impulse Discharge Current (8/20μs 10 times) |
|---|---|---|---|---|---|
| G3S140 | 140±30% | ≤600 | ≥100 | ≤1 | 1KA |
| G3S200 | 200±30% | ≤600 | ≥100 | ≤1 | 1KA |
| G3S250 | 250±30% | ≤650 | ≥100 | ≤1 | 1KA |
| G3S300 | 300±30% | ≤900 | ≥100 | ≤1 | 1KA |
| G3S400 | 400±30% | ≤1000 | ≥100 | ≤1 | 1KA |
| G3S500 | 500±30% | ≤1400 | ≥100 | ≤1 | 1KA |
Surge Protection Benefits
Surge protectors safeguard personnel and equipment from damaging high-voltage surges caused by lightning, inductive switching, nuclear electromagnetic pulse, electrostatic discharge, or power line interference. Proper surge protection implementation results in reduced field failures, improved product quality and reliability, and lower overall quality costs.
Technology Comparison
Gas discharge tubes offer superior performance characteristics including high surge current rating, long operational life, fast response times, and rugged construction suitable for demanding industrial applications.
Quality Assurance
All G3S series gas discharge tubes undergo rigorous testing to ensure consistent performance and reliability across all electrical specifications.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ampfort Electronics Co., Ltd.
Location
Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person
Annie Fang