MPN

Eaton PC Board Non Resettable Fuse, Radial 500mA, 250V ac

RS Stock No.:: 769-3356
Mfr. Part No.:: SS-5-500MA-BK
Brand:: Eaton

Eaton PC Board Non Resettable Fuse, Radial 500mA, 250V ac

Subtotal (1 pack of 5 units)*

£3.31

(exc. VAT)

£3.97

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 285 unit(s) shipping from 08 September 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Pack*
5 +	£0.662	£3.31

*price indicative

RS Stock No.:: 769-3356
Mfr. Part No.:: SS-5-500MA-BK
Brand:: Eaton

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Eaton
	Current Rating	500mA
	Lead Orientation	Radial
	Voltage Rating	250V ac
	Fuse Speed	T
	Body Material	Plastic
	Body Diameter	8.5mm
	Body Length	7.85mm
	Body Width	4.3mm
	Body Height	8.35mm
	Wire Length	4.8mm
	Wire Pitch	5.08mm
	Breaking Capacity at Maximum Voltage Rating	35 A @ 250 V ac
	Minimum Operating Temperature	-40°C
	Series	SS-5
	Maximum Operating Temperature	+125°C
	Wire Diameter	0.6mm
	Dimensions	8.5 x 7.85mm

	Select all
	Brand Eaton
	Current Rating 500mA
	Lead Orientation Radial
	Voltage Rating 250V ac
	Fuse Speed T
	Body Material Plastic
	Body Diameter 8.5mm
	Body Length 7.85mm
	Body Width 4.3mm
	Body Height 8.35mm
	Wire Length 4.8mm
	Wire Pitch 5.08mm
	Breaking Capacity at Maximum Voltage Rating 35 A @ 250 V ac
	Minimum Operating Temperature -40°C
	Series SS-5
	Maximum Operating Temperature +125°C
	Wire Diameter 0.6mm
	Dimensions 8.5 x 7.85mm

Eaton SS-5 Series Non Resettable Fuse, 500mA Current Rating, 250V AC Voltage Rating - SS-5-500MA-BK

This non-resettable fuse is a crucial component in electrical circuits, designed specifically for protecting against harmful overcurrents. Featuring a compact plastic body measuring 8.5mm in diameter, it is meticulously engineered to comply with IEC60127-3 standards. With a current rating of 500 mA and a voltage rating of 250V AC, this fuse supports various applications across multiple domains.

Features & Benefits

• Provides reliable primary and secondary circuit protection
• Time-delay feature accommodates transient inrush currents
• Designed to fit where space is limited with radial lead format
• High breaking capacity of 35A fuse at 250V AC
• Operating temperature range from -40 °C to +125 °C
• UL 94V0 flammability rating ensures safety in critical applications

Applications

• Utilised in power supplies for consistent output
• Applied in notebooks and laptops for enhanced reliability
• Suited for use in lighting ballasts to prevent overcurrents
• Compatible with appliances and white goods for user safety
• Effective in power adapters and set-top boxes for protecting circuits
• Incorporated in LED/LCD televisions and air conditioners for durable operation

What is the significance of the time-delay feature?

The time-delay feature allows the fuse to withstand transient surges, preventing nuisance blowing during short spikes in current, thus ensuring stability in critical applications like power supplies.

How does the body material contribute to the fuse's performance?

The plastic body provides insulation and protects against environmental factors, ensuring safe operation while maintaining a lightweight profile ideal for compact electronic designs.

What parameters should be considered for optimal operation?

It is essential to ensure that the operating environment remains within the -40 °C to +125 °C range and to carefully consider the circuit's current capacity to prevent overloads.

Can these fuses be used in automated systems?

Yes, their robust specifications and reliable performance make them suitable for various automated systems, including industrial machinery and electronic devices, thereby enhancing productivity and safety.

What are the advantages of using a 500 mA fuse over other ratings?

Using a 500 mA fuse provides precise overload protection for circuits designed to operate at lower currents, safeguarding components and maintaining system integrity without nuisance tripping.

Note

Eaton formerly known as Bussmann

All fuses have Thermoplaste Polyamide bodies

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