SMBJ60CHE3/5B

Current - Peak Pulse (10/1000µs):	5.6A
Base Part Number:	SMBJ
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	Automotive, AEC-Q101, TransZorb®
Voltage - Clamping (Max) @ Ipp:	107V
Voltage - Breakdown (Min):	66.7V
Voltage - Reverse Standoff (Typ):	60V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are an important component of the circuit to protect it from unexpected transients such as overvoltage, overcurrent or electrostatic discharge. The SMBJ60CHE3/5B is a TVS diode used for surge-current protection, overvoltage protection, and ESD immunity.

Application Field

SMBJ60CHE3/5B diodes are designed mainly for components where transient potentials of up to 5-6 kV can occur. It can be used in a wide range of applications like automotive systems, communication systems, industrial control systems and various consumer electronic systems. SMBJ60CHE3/5B diodes are particularly suitable for automotive applications as they can operate at high temperatures and high humidity. The diodes can also be used in other harsh environments like computer systems and digital equipment. These diodes can also be used in various communication systems such as Bluetooth or Wi-Fi where transient noise could potentially cause interference. SMBJ60CHE3/5B diodes can also be used in industrial control systems to protect from short spikes in voltage.

Working Principle

The SMBJ60CHE3/5B diodes work on the principle of reverse-biasing. This means that when a voltage spike occurs, the diode is quickly switched on and the excess voltage is “clamped” or “shorted” to the ground potential. This process reduces the voltage across the components to a safe level and prevents possible damages or destruction. When the transient voltage drops below the “working voltage” of the diode, the diode turns off and allows the circuit to operate normally. The working voltage of the SMBJ60CHE3/5B is 5V, so once the voltage spike drops below 5V, the diode will no longer conduct.

Advantages

One of the main advantages of using SMBJ60CHE3/5B diodes is that they do not require any additional components in order to work properly. This makes them easier to use and more cost-effective than other surge-protection measures such as using a MOV (Metal Oxide Varistor) or a Transient Voltage Suppression (TVS) diode. The diodes also allow for faster clamping times, as they can switch on and off rapidly. This helps to provide faster protection from surges and reduces the chances of any component damage. The diodes are also designed to switch on and off automatically when an overvoltage or overcurrent event occurs.

Conclusion

SMBJ60CHE3/5B diodes are an effective and efficient way of reducing the risk of component damage due to transients. They offer quick turn on and off times, making them ideal for automotive, communication, and industrial applications. The diodes are also easy to use and inexpensive, making them a cost-effective way of protecting components from overvoltages and overcurrents.

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