SF-1206HI350M-2 Circuit Protection

Package / Case:	1206 (3216 Metric)
DC Cold Resistance:	0.029 Ohms
Size / Dimension:	0.126" L x 0.063" W x 0.038" H (3.20mm x 1.60mm x 0.97mm)
Color:	--
Operating Temperature:	-55°C ~ 150°C
Approvals:	UL
Melting I²t:	1.84
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Surface Mount
Series:	SinglFuse™ SF-1206HIxxxM
Response Time:	--
Voltage Rating - DC:	32V
Current Rating:	3.5A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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SF-1206HI350M-2 Introduction

The SF-1206HI350M-2 from leading fuse manufacturer Schurter Inc. is a small, single action surface mount fuse ideal for protecting sensitive devices and applications from excessive current flow. The fuse features a single-break design and consists of a laminate base that can be easily integrated into a variety of electronic systems. The SF-1206HI350M-2 is a “slow blow” fuse that can tolerate up to 350 mA of current for a short period of time before tripping.

Application Fields

The SF-1206HI350M-2 fuse is designed to be used in a wide range of applications, including:

• Consumer Electronics: Consumer electronics, such as computers and mobile phones, often contain sensitive components which require protection from continuous surge currents. The SF-1206HI350M-2’s low thermal mass and slow-blow design makes it ideally suited for use in these applications.
• Industrial Controls: Industrial controls often incorporate numerous currents, such as those from motors and solenoid valves. The SF-1206HI350M-2 can be used to protect sensitive electronic components within these circuits while allowing for safe operation of the device
• Medical Equipment: Medical electronic devices are sensitive to high surge currents and must be protected by the most reliable fuses available. The SF-1206HI350M-2 fuse is designed to provide superior protection for these demanding applications.
• Transportation Electronics: The SF-1206HI350M-2 fuse is ideal for protecting automotive, aviation and marine electronics from excessive current flow. The fuse can provide reliable protection for sensitive navigation systems and interior entertainment systems.

Working Principle

The SF-1206HI350M-2 employs a single-break design that consists of five layers of laminates: An alloy strip, an activation layer, a core layer, a bonding layer and a solder layer.When the current reaches the threshold level, the heat generated causes the alloy strip to expand, bending the activation layer and breaking the fuse. This causes an open circuit, reducing the current flow and protecting the connected device or circuit.The SF-1206HI350M-2 fuse has a breakable membrane design, making it shock and vibration-resistant. This ensures that the fuse will not be unintentionally tripped due to external forces.

Conclusion

The SF-1206HI350M-2 fuse from Schurter Inc. is a single-action surface mount device designed for protecting sensitive devices and applications from continuous current flow. The fuse is ideal for a wide range of consumer, industrial, medical and transportation applications. The SF-1206HI350M-2 uses a five-layer lamination design combined with a single-break principle to ensure reliable protection from high current surges.

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