Aviation Glass Cartridge Fuse BGXC 8X37 |
Compact, High-Reliability Circuit Protection
Product Overview
The YM Aviation Glass Cartridge Fuse BGXC 8X37 is a high-performance, compact overcurrent protection device engineered for space-constrained, high-reliability applications in aerospace, drone, and advanced transportation systems. With its standardized 8mm x 37mm dimensions and clear glass body, this fuse provides precise protection for circuits up to 150A while allowing immediate visual fault diagnosis. It is specifically designed to safeguard sensitive control modules, avionics, and power distribution points, often working in conjunction with precision components like PCB Signal Relays and Solid State Relays. As a key part of YM's protection portfolio, which includes robust Military Metal Relays, the BGXC 8X37 offers an optimal balance of size, performance, and maintenance efficiency.
Core Advantage: Space-saving design without compromising on breaking capacity or reliability, featuring military-grade construction and instantaneous visual status indication for critical systems.
Technical Specifications
- Model: BGXC 8X37 (8mm Diameter x 37mm Length)
- Standard Current Ratings (In): 60A, 80A, 100A, 150A (Custom ratings available)
- Physical Construction:
- Body: High-clarity, thermally stable glass tube.
- End Caps: Precision brass caps with anti-corrosion plating.
- Internal Element: Calibrated alloy element for precise fusing characteristics.
- Electrical Performance:
- Voltage Rating: Suitable for 32V DC / 250V AC systems, compatible with standard aviation (28V DC) and industrial control voltages.
- Breaking Capacity: High interrupting capacity, designed to protect downstream components such as Industrial Power Relays and electronic control units.
- Time-Current Characteristic: Available in Fast-Acting (F) type for rapid protection of sensitive circuits.
- Contact Resistance: Minimal initial resistance to ensure efficient power transmission and reduce heat generation.
- Environmental & Mechanical:
- Vibration Resistance: Engineered to withstand high levels of shock and vibration and transportation standards.
- Operating Temperature Range: Reliable performance across extended temperature ranges.
- Sealing: Hermetically sealed to prevent internal element degradation.
Product Features & Advantages
- Ultra-Compact Form Factor: The 8mm diameter makes it ideal for high-density PCBs, compact control panels, and miniaturized drone/UAV electronics where space is at a premium.
- Instant Visual Fault Indication: Clear glass tube allows maintenance technicians to instantly identify a blown fuse, significantly reducing system downtime and diagnostic effort.
- Military-Spec Reliability: Manufactured to stringent standards for harsh environments, ensuring performance consistency in applications that also utilize our Military Metal Relays.
- Precision-Calibrated Protection: Each rating is accurately calibrated to provide reliable overcurrent protection for delicate electronics like PCB Board Relays and sensor interfaces.
- High-Purity Internal Construction: Utilizes high-grade materials and controlled atmosphere sealing to ensure stable performance and longevity, preventing premature failure.
- Industry-Standard Compatibility: The 8x37mm size is a globally recognized standard (similar to 5x20mm but larger current capacity), ensuring wide compatibility with existing fuse holders and clips.
Our Manufacturing Advantage: YM applies its deep expertise in precision component manufacturing—honed through producing Metal Sealing Relays and Polarized Relays—to the BGXC fuse. This ensures exceptional consistency in element calibration and tube sealing, delivering superior batch-to-batch reliability.
How to Select and Implement the BGXC 8X37 Fuse
- Circuit Evaluation: Analyze the protected circuit to determine its normal operating current, potential inrush currents, and maximum system voltage.
- Correct Rating Selection: Choose a fuse rating that accommodates the normal operating current with a safety margin (typically 125-150%), considering any ambient temperature derating factors.
- Holder Verification: Confirm that the installed fuse holder or clip is designed for the 8x37mm form factor and is rated for the selected current and voltage.
- Safe Installation Procedure: With the system completely de-energized, insert the fuse firmly into the holder, ensuring both end caps make full contact.
- System Check and Documentation: After power-up, verify normal operation. Utilize the visual clarity of the fuse for quick status checks. Clearly label the fuse location with its rating for future maintenance.
Application Scenarios
The BGXC 8X37 is the protection component of choice for compact, high-performance systems:
- Aircraft Secondary Power Distribution: Protects non-essential bus feeds, cabin entertainment systems, and auxiliary lighting circuits in both commercial and military aircraft.
- Drone/UAV Power Management Units (PMUs): Safeguards distribution branches to flight controllers, telemetry systems, and payloads (cameras, LIDAR) within tight airframes.
- Railway Control Electronics: Used in compact control units for door systems, passenger information displays, and communication equipment.
- Industrial Automation & Robotics: Provides protection for servo drives, I/O modules, and control logic circuits inside densely packed industrial controllers and robot arms.
- Telecommunications Infrastructure: Protects individual cards or modules within routers, switches, and base station equipment.
- New Energy Vehicle Auxiliary Systems: Can be specified for protecting control circuits in New Energy Relay boxes and battery management auxiliary boards.
Value for Buyers: Enables higher system integration density, reduces weight and footprint, accelerates maintenance troubleshooting, protects valuable electronic assets from overcurrent damage, and ensures reliable operation in vibration-intensive environments.
Certifications & Compliance
Produced in our SGS-audited manufacturing facility under a certified quality management system, the BGXC 8X37 series is designed to meet the performance criteria of relevant international standards, including IEC 60127. While product-level certifications like UL or CE can be provided based on specific customer project requirements, the fuse is constructed with the same commitment to foundational quality and safety that governs our production of Automotive Relays and Latching Relays.
Customization Options
YM provides flexible customization services to tailor the BGXC 8X37 fuse to your exact application needs:
- Tailored Current Ratings: Precision calibration for specific current values within the physical and thermal limits of the 8x37mm size.
- Special Time-Current Curves: Development of time-delay (T) or very fast-acting (FF) characteristics to match specific load profiles.
- Enhanced End Caps: Custom plating (silver, tin, nickel) or specialized surface treatments for improved conductivity or corrosion resistance in harsh environments.
- Branding and Identification: Custom laser marking on the glass body or end caps for part number, logo, or color-coding.
- Special Packaging: Reel packaging for automated assembly, or ESD-safe packaging for sensitive environments.
Our proven OEM/ODM capability, demonstrated through successful projects for custom Flash Relays and specialized Automotive Relays, ensures we can develop a fuse solution that integrates seamlessly into your design.
Production & Quality Control Process
Every BGXC 8X37 fuse is the result of a meticulously controlled manufacturing pipeline:
- Material Qualification: Incoming glass, metal elements, and end cap materials are certified to meet stringent specifications.
- Element Precision Forming: The fuse element is manufactured to exacting geometric and metallurgical standards to achieve the desired current-time profile.
- Controlled Assembly & Sealing: The element is assembled with end caps and sealed within the glass tube under controlled atmospheric conditions—a process benefiting from our Metal Sealing Relay expertise.
- 100% Electrical Screening: Every unit undergoes resistance testing. Production batches are subjected to sample-based high-current trip tests to validate performance against specifications.
- Rigorous Final Inspection: Automated optical inspection for dimensional accuracy, glass integrity, and marking clarity.
- Traceable Packaging: Final packaging with lot code traceability for quality assurance and supply chain management.
This comprehensive quality regime, aligned with our processes for Solid State Relays and other precision components, guarantees the reliability expected from the YM brand.