TMOV34S271EP

Varistor Voltage (Typ):	430V
Package / Case:	Square 34mm, Formed Tabs
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	4500pF @ 1MHz
Number of Circuits:	1
Energy:	550J
Current - Surge:	40kA
Varistor Voltage (Max):	473V
Series:	TMOV® 34S
Varistor Voltage (Min):	387V
Maximum DC Volts:	369V
Maximum AC Volts:	275V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TMOV34S271EP Application Field and Working Principle

TMOV34S271EP is a TVS - Varistors, MOVs device. It provides surge protection for electronic circuits and equipment by clamping surges to safe levels. It quickly responds to transient surges without letting them pass through and damage the load circuit, thus protecting it from electrical overvoltage.TMOV34S271EP is specifically designed to provide over-voltage protection in commercial and industrial applications. Its 272 volts peak pulse power is enough to ensure secure operation on systems operating up to 48VDC. The unit features low capacitance, low leakage current, and low clamping voltage, making it ideal for high speed signal and data systems.TMOV34S271EP uses a two-zone metal oxide material that consists of both parallel and diverting sections. This arrangement isolates and shields the downstream circuits from a transient surge. The unit conducts when a surge rises above the trigger voltage of the device. The device is designed to absorb energy at the peak levels, limiting the voltages and currents that are applied. As the voltage or current continues to climb, the on-state resistance of the device decreases while the current limitation remains unchanged, thus protecting the downstream components.When the transient surge has passed, the unit will recover and reset itself to non-conducting status. This is enabled by the high speed switching capabilities of the device.The device features an extremely low leakage current of 0.3μA (maximum), ensuring no current flows through the device in the non-conducting state. The low capacitance of less than 6pF (maximum) also enables fast rise times without introducing noise.The robust design of the device ensures it is capable of withstanding over voltage events up to 30 impulses with an amplitude of 40A (8/20μs waveform). The internal components are also insulated and sealed away from the environment to protect against moisture and other contaminants.In conclusion, TMOV34S271EP is an excellent choice for providing over-voltage protection to electronic circuits and equipment. The combination of its low leakage current and capacitance, high surge current capability, high speed switching and robust design makes it ideal for commercial and industrial applications.

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