1KSMB100CAHM4G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	137V
Supplier Device Package:	DO-214AA (SMB)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	1000W (1kW)
Current - Peak Pulse (10/1000µs):	7.3A
Series:	Automotive, AEC-Q101, 1KSMB
Voltage - Breakdown (Min):	95V
Voltage - Reverse Standoff (Typ):	85.5V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

TVS (Transient Voltage Suppressor) diodes are components that protect electronics from excessive voltage that could damage them. They are made of two different types of diodes, usually a zener diode and a avalanche diode, connected in parallel. The 1KSMB100CAHM4G is a type of TVS - diode used in electronic circuit protection. It is commonly used to protect electronic devices, such as microprocessors, from overvoltage, electrostatic discharge, and lightning induced surges.

1KSMB100CAHM4G application fields

The 1KSMB100CAHM4G is often used in automotive applications, where it is used to protect electronics from static electricity, electrostatic discharge, and high voltage transients. It is commonly used in the automotive industry to protect electric circuits from damage caused by power surges, lighting storms, and other environmental factors. It is also used in military and aerospace applications, such as on space shuttles and satellites. Additionally, it is used in medical electronics, communications systems, gaming systems, and other consumer electronics.

Working Principle

The 1KSMB100CAHM4G is a two stage diode protection device that can effectively protect against overvoltage and ESD (electrostatic discharge). The first part of the protection is achieved by the avalanche diode, which provides overvoltage protection. The second part of the protection is achieved by the zener diode, which serves as a transient voltage suppressor. When a surge or spike of voltage is detected, the avalanche diode will begin to conduct. When the voltage exceeds the avalanche breakdown voltage, it will increase the current flow, which in turn will trigger the zener diode. This will cause the voltage level to be reduced to the zener breakdown voltage, which will protect the device from the excessive voltage caused by the surge. Once the voltage spike has passed, the avalanche diode will return to its non-conducting state, and the zener diode will reduce its current flow, returning the voltage to its normal level. This will effectively protect the device against further voltage surges and ESD. The 1KSMB100CAHM4G is an effective protective device that is designed for long-term use and is suitable for use in a variety of applications. Its two-stage protection system ensures that it can effectively protect a variety of electrical components from overvoltage and ESD.

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