AS3PMHM3_A/I

Series:	Automotive, AEC-Q101, eSMP®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Avalanche
Voltage - DC Reverse (Vr) (Max):	1000V
Current - Average Rectified (Io):	2.1A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 3A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	1.2µs
Current - Reverse Leakage @ Vr:	10µA @ 1000V
Capacitance @ Vr, F:	37pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	TO-277, 3-PowerDFN
Supplier Device Package:	TO-277A (SMPC)
Operating Temperature - Junction:	-55°C ~ 175°C

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AS3PMHM3_A/I is a rectifier diode, widely used in the field to protect against reverse polarity. It is specifically designed for automotive applications and its operating temperature range is -40°C to +175°C. This diode can also be used for snubber and freewheeling applications.The rectifier diode is the most commonly used form of the diode. It is a two-terminal semiconductor device which converts AC (alternating current) to DC (direct current). The diode has two electrodes, the anode and cathode, and allows for current to flow in only one direction (from the anode to the cathode). When the voltage is applied in the opposite direction, no current will flow, thus providing the desired reverse polarity protection.In the AS3PMHM3_A/I, the anode terminal is indicated by a gap or spacing in the metal cap. The metal cap also provides a thermal resistance to the junction which is beneficial when used in high temperature applications. The device also has an internal limiting resistor which helps to limit the current flow when the voltage is applied in the reverse direction. This provides an additional layer of protection compared to other standard rectifier diodes.The AS3PMHM3_A/I is also designed to be used with lead-free solder to ensure that it has good bonding strength and electrical connection to other components. It is available in a variety of surface mount and through-hole packages depending on the application. The working principle of the AS3PMHM3_A/I is quite simple. When the voltage is applied in the forward direction (from the anode to the cathode), the diode’s internal capacitor is charged, allowing current to flow. When the voltage is applied in the reverse direction, the internal capacitor is reversed, blocking current flow. This provides reverse protection for the device, ensuring it does not become damaged in the event of accidental reverse connection.The AS3PMHM3_A/I is a reliable and economical solution for applications which require protection against reverse polarity or which need reliable electrical connection when high temperatures are present. The device has been designed to meet the AEC-Q100 automotive industry standards and is therefore suitable for use in a variety of automotive applications. In summary, the AS3PMHM3_A/I is a reliable and economical solution for protection against reverse polarity, freewheeling and snubber applications, and is especially well-suited for automotive industry applications where high performance and reliability is required. The device is available in a variety of packages and is lead-free for improved electrical connection.

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