SLD58U-017-B

Voltage - Clamping (Max) @ Ipp:	93.6V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	58.6A
Series:	Automotive, AEC-Q101, SLD
Voltage - Breakdown (Min):	64.4V
Voltage - Reverse Standoff (Typ):	58V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

TVS (Transient Voltage Suppressor) diodes have become a common way to protect circuits from overvoltage conditions caused by short circuit, lightning, or over-voltage. SLD58U-017-B is a TVS diode that is designed for unidirectional application for protecting vulnerable circuits against electrical transients. This article will discuss the application field and working principle of the SLD58U-017-B TVS diode.

Application Field

The SLD58U-017-B has an operating temperature range of -55°C to +175°C and can handle up to 800 watts of power. It is particularly useful for applications in vibration environments. Examples of possible applications are automotive, industrial, medical, and military electronics. The diode offers transient suppression in a small package size, minimizing space and components. In addition to electrical transients, the diode is able to protect against lightning and physical shocks. The diode is designed to protect vulnerable circuits from electrical transients such as ESD, EFT, and induced noise.

Working Principle

The SLD58U-017-B is a unidirectional TVS diode that works based on the avalanche breakdown principle. When an over-voltage condition is applied to the diode, the voltage across the diode exceeds the breakdown voltage and an avalanche breakdown occurs, allowing a large current to flow through the diode. This large current then dissipates quickly, mitigating the effects of the transient. The device contains an internal avalanche-sensing resistor, which is adjusted to produce a precise breakdown voltage in a wide temperature range. The device is designed for ultra-low capacitance and low leakage current at normal working temperatures. It is able to provide a low capacitive coupling between the protection pins and the protected circuit, allowing for efficient transient protection while minimizing signal distortion and interference.

Conclusion

The SLD58U-017-B TVS diode is designed to protect vulnerable circuits from damaging electrical transients. It is suitable for use in vibration applications, where it can protect against electrical transients, lightning, and physical shocks. The diode is based on the avalanche breakdown principle, and is designed for low capacitance and low leakage current at normal working temperatures.

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