B72590T0040M060

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	4V
Maximum DC Volts:	5.5V
Varistor Voltage (Min):	8V
Varistor Voltage (Typ):	10V
Varistor Voltage (Max):	12V
Current - Surge:	20A
Energy:	0.0075J
Number of Circuits:	1
Capacitance @ Frequency:	200pF @ 1kHz
Operating Temperature:	-55°C ~ 125°C (TA)
Mounting Type:	Surface Mount, MLCV
Package / Case:	0402 (1005 Metric)

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TVS - Varistors, MOVs

Varistors, or voltage-sensitive resistors, are a class of semiconductor components that are designed to limit voltages in applications, such as computer systems, telecommunications, consumer electronics, military and aerospace electronics, and automotive. They are made from specially doped semiconductor materials whose properties change drastically when confronted with a large electrical surge. The B72590T0040M060 is a varistor designed and manufactured by Siemens. It is a 40 mm surface-mount varistor with a 60Vdc rating and 180V peak operating voltage. This device is used to protect lines and components from electrical transients, such as lightning strikes, and to regulate and suppress voltage surges in a wide variety of applications. This varistor is designed to protect electrical circuits from high voltages on power lines as well as from spikes in the system due to EMI/RFI noise, and it is designed to dissipate heat from the circuit by acting as a power shunt.This device has a wide operating temperature range of -55°C to +150°C and provides a high level of protection for critical components. It has a high surge current rating of 100A (8/20µs) and a high surge energy rating of 1150J. This device is UL1449 and EN 60898 certified.In terms of working principle, when the applied voltage exceeds the rated maximum working voltage, the resistance of the varistor is virtually zero. This is a result of a phenomenon called the “Bulk Resistance Effect”, and this helps the device absorb the surge energy and dissipate it into the surrounding environment. Similarly, when the applied voltage is lower than the rated maximum working voltage, the resistance of the varistor will increase drastically, thereby limiting the current surge and protecting the electrical circuitry. Due to its robust construction and superior performance in suppressing high-voltage surges, B72590T0040M060 is suitable for use in a wide array of applications, including computers, telecommunications, consumer electronics, military and aerospace electronics, and automotive. It is also used in LED lighting, AC/DC converters, PFC circuits, and voltage regulator modules.In summary, the B72590T0040M060 varistor is an effective device designed to protect lines and components from electrical transients, such as lightning strikes, and to regulate and suppress voltage surges in a wide variety of applications. Due to its robust construction and superior performance, this device is widely used in a variety of applications, providing an efficient, reliable, and cost-effective solution for protecting sensitive electrical circuitry.

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