SS-5H-2.5A-APH

Package / Case:	Radial, Box
DC Cold Resistance:	23 Ohms
Size / Dimension:	0.335" L x 0.169" W x 0.329" H (8.50mm x 4.30mm x 8.35mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	CQC, cURus, KC, PSE, TUV, VDE
Melting I²t:	40.3
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Through Hole
Series:	SS-5H
Response Time:	Slow
Voltage Rating - AC:	300V
Current Rating:	2.5A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Introduction

Fuses are devices used to protect electrical circuits against overload, short circuit, and other hazards. The SS-5H-2.5A-APH is a high-speed fuse that is designed to provide excellent protection of electronic circuits. This article will discuss the application field and working principles of the SS-5H-2.5A-APH.

Application Field

The SS-5H-2.5A-APH is a high-speed fuse that is designed to provide excellent protection for modern electronic circuits. It is suitable for applications such as high-speed logic circuits, computers, sensors, and motor drives. The device can be used in a wide range of power systems ranging from 0.1A to 6A.

Working Principle

The SS-5H-2.5A-APH works on the principle of using the melting of a fusible element in the fuse when a short circuit or overcurrent event occurs. The fuse element is a thin strip of specially formulated metal designed to melt quickly when current builds up to a certain level. When the fuse element melts, it opens the circuit that it is connected to, preventing the current from reaching its intended target and protecting the circuit.

Design

The design of the SS-5H-2.5A-APH is based on the use of a tin-silver turner contact, which is designed to provide excellent contact resistance and low noise. The fuse element is made of copper to provide strong current carrying capacity. The fuse also features a glass-fiber reinforced epoxy body to ensure a reliable and durable construction.

Environmental Considerations

The SS-5H-2.5A-APH is designed for PCB-level use and is designed to operate in temperatures ranging from -55°C to +85°C. It is UL listed and complies with CSA 22.2 No.240-87 standards for environmental considerations.

Conclusion

The SS-5H-2.5A-APH is a high-speed protective fuse designed for applications that require a high degree of protection against short circuit and overload events. The device is suitable for a wide range of power systems and is designed for use in temperatures ranging from -55°C to +85°C. The fuse features a reliable construction and meets the requirements for environmental considerations.

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