Best 800 mA Fuses and 0.8A Power Solutions for Electronics
Finding reliable 0.8A protection and power options helps keep electronics safe during overcurrent events and power fluctuations. This guide highlights five items that support 800 mA ratings, including fast-blow and slow-blow fuses, high-voltage ceramic fuses, and compatible power adapters. Each entry includes a quick feature snapshot to help compare usage scenarios—from standard electronics protection to high-voltage test equipment.
| Product | Brand | Type | Typical Use |
|---|---|---|---|
| 800mA Fast-Blow Glass Fuses, 5x20mm | |||
| 800mA Slow-Blow Glass Fuses, 5x20mm | |||
| uxcell 800mA Ceramic Fuses, 5x20mm | |||
| XPARTCO 5KV High-Voltage Microwave Fuses, 6x40mm | |||
| Cutetool HV620 800mA 1000V Multimeter Fuse |
Note: All products listed support around a 0.8A rating and cover a range of protection needs, from fast response to delay-tolerant protection and high-voltage applications. Use the table as a quick reference when selecting parts for maintenance, repairs, or builds that center on 800 mA current thresholds.
800mA Fast-Blow Glass Fuses, 5x20mm
Included: Five 800mA (0.8A) GMA Glass Fuses, rated 250V, fast-blow. Designed for immediate interruption of overcurrent conditions, protecting sensitive electronics and appliances. The fuses use glass bodies with sturdy metal end caps, ensuring reliable installation in compatible holders.
800mA Slow-Blow Glass Fuses, 5x20mm
Included: Five 800mA (0.8A) GDC Glass Fuses, 250V. Slow-blow design tolerates short surges without nuisance trips, suitable for devices with moderate inrush. Length and diameter align with standard 5x20mm fixtures for broad compatibility.
uxcell 800mA Ceramic Fuses, 5x20mm
Product Name: Ceramic Fuse; Type: Fast Blow; Breaking Voltage: 250V; Breaking Current: 800mA. Dimensions: 5 x 20mm. Construction uses ceramic body and metal end caps for higher heat resistance and durable insulation in demanding environments.
Cutetool HV620 800mA 1000V Ceramic Fuse
Specifications: Rated at 800mA and 1000V. Fast-blowing ceramic fuse with 6.35x32mm format, designed for high-voltage digital multimeters and test gear. Durable ceramic body improves heat tolerance and arc protection; nickel-plated end caps ensure reliable conductivity.
XPARTCO 5KV HV Microwave Fuse 6x40mm
Includes five identical fuses for convenience in microwave and HV circuits. Precisely rated around 650mA (0.8A) current capacity with a 5KV voltage rating and 6x40mm form factor. These fuses provide reliable protection while accommodating high-voltage needs and replacement efficiency.
GreatPowerDirect 9V 0.8A Power Adapter
Output: DC 9V 0.8A; Input: 100–240VAC 50/60Hz; Worldwide use. DC connector: 5.5×2.1mm. A practical replacement when 800mA capability is required and compatibility with standard power jacks is needed. Features include basic overload protection suitable for general electronics.
Buying Guide: Key Considerations For 0.8A Fuses And Power Solutions
- Current rating accuracy: Confirm 0.8A nominal rating and exact break current tolerance to fit device requirements and protect sensitive circuits.
- Voltage rating: Ensure the fuse or adapter voltage rating exceeds the operating voltage of the target device to prevent nuisance trips or failure to protect during faults.
- Fuse type and behavior: Fast-blow fuses interrupt quickly on overload; slow-blow variants tolerate brief inrush events. Choose based on the device’s power profile.
- Package size and compatibility: Most 5x20mm fuses fit common holders; verify mounting space and connector style for reliability and ease of replacement.
- Ceramic vs. glass: Ceramic fuses offer higher heat resistance and arc protection in demanding environments; glass fuses provide visibility of the fuse element for quick inspection.
- High-voltage considerations: For HV test gear or microwave settings, select fuses rated for higher voltage (e.g., 1000V or 5KV) to ensure safe operation.
- Replacement strategy: When stocking, include a mix of fast-blow and slow-blow varieties and ensure you have spares suitable for common 0.8A applications.
- Power adapters and cables: Check connector size (e.g., 5.5×2.1mm vs 5.5×2.5mm) and polarity to prevent damage to devices. Include protection features such as short-circuit and overvoltage safeguards where available.
- Safety and standards: Use UL-listed or equivalent certified parts where possible to meet regional safety requirements and warranty expectations.
- Application breadth: For maintenance kits, gather fuses that cover electronics, appliances, meters, and HV equipment to reduce downtime during replacements.