Dongguan Ampfort Electronics Co., Ltd.
                                                                                                           
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Betterfuse 3x10mm Time Delay Ceramic Cartridge Fuse 334 Series - 250V AC, 200mA to 10A Current Ratings

Price Negotiable
Price: 0.05 USD/PC
MOQ: 10000PCS
Delivery Time: 15 workdays
Brand: Betterfuse
Product Description
Product Overview

The Betterfuse 3x10mm Time Delay Ceramic Cartridge Fuse 334 series provides reliable over-current protection for a wide range of electronic applications. These subminiature fuses feature a ceramic tube construction with nickel-plated brass end caps and offer time-lag characteristics for enhanced circuit protection.

Key Features
  • Time-delay (slow blow) characteristics for surge current tolerance
  • Compact 3.6mm x 10mm ceramic tube design
  • Nickel-plated brass end caps for superior conductivity
  • Optional axial leads: Ф0.65mm (200mA-7A) and Ф0.8mm (8A-10A)
  • Lead-free, halogen-free, and RoHS compliant
  • Operating temperature range: -55℃ to +125℃
  • Compliant with IEC 60127-3/IV standard
Technical Specifications
Electrical Ratings
  • Rated voltage: 250V AC
  • Breaking capacity: 35A or 10In @ 250V AC, 50A @ 125/250V AC
  • Available current ratings: 200mA, 250mA, 315mA, 500mA, 630mA, 800mA, 1A, 1.25A, 1.6A, 2A, 2.5A, 3.15A, 4A, 5A, 6.3A, 7A, 8A, 10A
Environmental Specifications
  • Operating temperature: -55℃ to +125℃
  • Storage conditions: +10℃ to +60℃
  • Relative humidity: ≤75% yearly average, maximum 30 days at 95%
  • Vibration resistance: 24 cycles at 15 min each (60068-6)
Certifications & Approvals
Agency File Number Ampere/Voltage Range
VDE 40025428 250V AC: 500mA-5A
PSE PSE15020938 250V: 1A-5A
CQC Multiple 250V: 250mA-10A
TUV J 50159105 250V AC: 200mA-6.3A
UL E300003 125V/250V AC: 250mA-10A
KC SU05042-17006/17007 250V AC: 1A-5A
SEMKO 1719060 250V AC: 1A-5A
Time-Current Characteristics
Overload Condition Operating Time
150% of rated current >1 hour
210% of rated current
275% of rated current 400ms - 10s
400% of rated current 150ms - 3s
1000% of rated current 20ms - 150ms
Product Dimensions & Images
Betterfuse 334 series ceramic cartridge fuse dimensional diagram showing 3.6x10mm size Betterfuse 334 series ceramic cartridge fuse construction details
Note: Permissible continuous operating current is ≤100% at ambient temperature of 23°C (73.4°F). cULus and cURus certification applies to 125V and 250V; other certifications apply to 250V.
Applications

Ideal for lighting systems, power adapters, LED drive power supplies, power equipment, small appliances, and control panels requiring reliable over-current protection with time-delay characteristics.

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

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