Bussmann SR-5F-800MA-BK Eaton Series Sub-Miniature Fast-Acting Fuse, 800mA 250V

Bussmann SR-5F-800MA-BK Eaton Series Sub-Miniature Fast-Acting Fuse, 800mA 250V

The Bussmann SR-5F-800MA-BK is an Eaton Bussmann series fast-acting, sub-miniature fuse engineered to protect sensitive electronic circuits against harmful overcurrents. Rated 800mA at 250V with a 50 kAIC interrupt rating at 125 Vac, this radial-lead, socket-mounted fuse delivers dependable overcurrent protection in a compact footprint. Built for an operating temperature range of -40° to 125°C, the SR-5F-800MA-BK suits demanding electronic and control-circuit applications where fast, predictable clearing of fault currents is required.

Key Features

• Amperage Rating: 800 mA fast-acting fuse element sized for precise overcurrent protection.
• Voltage Rating: Rated 250V for use in low-voltage electronic and control circuits.
• Interrupt Rating: 50 kAIC at 125 Vac for dependable clearing of high fault currents.
• Response Time: 4 hrs. minimum at 100%, 10 mins. maximum at 150%, and 2 mins. maximum at 200% for predictable fast-acting performance.
• Sub-Miniature Construction: Compact sub-miniature body measuring .343 IN length, .6 IN diameter, .307 IN height, and .343 IN width for space-constrained designs.
• Mounting & Termination: Designed for socket mounting and used with radial leads.
• Operating Temperature: Rated -40° to 125°C for stable performance across a wide thermal range.
• Non-Indicating Design: Standard non-indicating fuse element with typical DC cold resistance of .24 ohms.

Technical Specifications

• Amperage Rating: 800 mA
• Application: Protects against harmful overcurrents
• Frequency Rating Maximum: 50 HZ
• Fuse Indicator: Non Indicating
• Interrupt Rating: 50 kAIC at 125 Vac
• Melting I2t: Typical melting: 1.5 I2t (10 in) at 1mS
• Operating Temperature: -40° to 125°C
• Packaging Type: Standard
• Resistance: Typical DC cold: .24 ohms
• Response Time: 4 hrs. minimum at 100%, 10 mins. maximum at 150%, 2 mins. maximum at 200%
• Used With: Radial leads
• Voltage Drop: Maximum: 400 mV at 1 in*
• Voltage Rating: 250V
• Product Type: Sub miniature
• Product Length: .343 IN
• Product Details: Sub miniature
• Product Diameter: .6 IN
• Mounting Method: Socket
• Item Quantity: in bulk 200 per bag
• Product Height: .307 IN
• Product Weight: .1 LB
• Product Width: .343 IN

Typical Applications

• Electronic Circuit Overcurrent Protection
• Printed Circuit Board (PCB) Protection
• Control Circuit and Socket-Mounted Fuse Holder Applications
• Low-Voltage 250V Equipment Protection
• Radial-Lead Component Assemblies

Why Bussmann?

Bussmann by Eaton engineers sub-miniature fuses like the SR-5F-800MA-BK for consistent, fast-acting overcurrent protection backed by a 50 kAIC interrupt rating and a defined melting I2t characteristic. With a wide -40° to 125°C operating range, a low typical cold resistance of .24 ohms, and repeatable response-time performance, this fuse delivers the dependable protection professionals expect from the Eaton Bussmann series.