Response Time:	Fast
DC Cold Resistance:	0.018 Ohms
Size / Dimension:	0.126" L x 0.063" W x 0.035" H (3.20mm x 1.60mm x 0.89mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	0.187
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Series:	Chip 3216FF
Voltage Rating - DC:	32V
Voltage Rating - AC:	32V
Current Rating:	4A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TR/3216FF-4A Fuses: Application Field and Working Principle

Introduction

Elating TR/3216FF-4A Fuses, produced by Eaton-Cooper and widely utilized in the electrical and electronic engineering industries, are intended to reward its owners with increased safety, improved energy efficiency, and superior thermal performance. This article aims to review the application field and working principle of the fuse in detail.

Application Field

TR/3216FF-4A Fuses are designed with consideration for the wide range of deployment environment in which they may be exposed. They are greatly suited to the following applications, among others:

• Automotive
• Building control & power distribution systems
• Computer/Data networks
• Consumer electronics
• Industrial controls & environments

In each of the above application areas, the TR/3216FF-4A Fuses offer superior performance compared to other similar products available in the market.

Working Principle

The TR/3216FF-4A Fuses feature a small thermal element, which is installed between the circuit\'s current-carrying conductors. It will heat up when the regular flow of current is disrupted, and may be melted by the high current caused by a short circuits or other faults. Once the fuse element melts, it will disrupt the current flow and will clear the fault, thus providing protection to both the connected systems and personnel. The fuse is rated to carry an AC or DC current of up to 32A and has an interrupting capacity of up to 16kA. The included thermal element is designed to handle short-term overcurrent and is also highly resistant to thermal shock and environmental factors such as humidity and dust accumulation.

Conclusion

In conclusion, the Eaton-Cooper TR/3216FF-4A Fuses offer excellent thermal performance and short-term overcurrent protection in automotive, computer network, consumer electronics, and other industrial applications. With its rated current of up to 32A and interrupting capacity of up to 16kA, this fuse is among the most reliable on the market.

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Part Number	Manufacturer	Price	Quantity	Description