PSM4F-402Z-20T0

Series:	PSM
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Capacitance:	4000pF
Tolerance:	-20%, +80%
Voltage - Rated:	200V
Current:	20A
DC Resistance (DCR) (Max):	0.5 mOhm
Operating Temperature:	-55°C ~ 125°C
Insertion Loss:	--
Temperature Coefficient:	--
Ratings:	--
Package / Case:	3-PSM
Size / Dimension:	0.315" L x 0.118" W (8.00mm x 3.00mm)
Height (Max):	0.118" (3.00mm)
Thread Size:	--

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Feed Through Capacitors

Feed through capacitors, also known as surge arresters, are electrical devices which provide a range of useful functions in electrical power systems. These capacitors are primarily designed to protect and improve the efficiency of the electrical system. The PSM4F-402Z-20T0 is a specific type of feed-through capacitor which has a variety of applications and utilizes different working principles.Feed through capacitors are designed to offer surge protection by quickly responding to high voltages and currents in an electrical system, and suppressing the spike so that further damage isn’t done. This feature ensures stable and reliable operations of the power system by preventing electrical arcs and ground losses due to voltage transients.The PSM4F-402Z-20T0 feed through capacitor is generally used in telecom, medical, military and commercial applications. It is designed for use as a broadband absorptive high input impedance device, providing superior and reliable safety and performance in hostile surge environments. It has a greater than 10:1 voltage to current ratio at higher frequencies, offering excellent capacitive performance that makes it very suitable for motor control and surge protection.The working principle of the PSM4F-402Z-20T0 feed through capacitor is based on a high voltage diode which is connected in series with a capacitor. When an excessive current is detected, the diode prevents the current from travelling further along the power line, diverting it to the capacitor instead. The capacitor then absorbs the energy and dissipates it as heat, preventing the current from causing any further damage.The usage of PSM4F-402Z-20T0 feed through capacitors helps to protect sensitive electronic equipment from voltage transients and other surges which can often occur in power systems. These types of capacitors also help to improve the overall performance of the system, and ensure that steady and consistent operations take place at all times.In conclusion, the PSM4F-402Z-20T0 is a specialized feed through capacitor which is used in a variety of applications, and utilizes a high voltage diode and capacitor in its operation. It provides superior surge protection and improved system performance, and helps to ensure that all electrical systems are running at the highest possible level of efficiency.

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