MMBZ5243BS-7-F

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Diodes - Zener - Arrays encompasses a wide range of components with versatile capabilities. One such component is the MMBZ5243BS-7-F. The MMBZ5243BS-7-F is a surface mount 3-pin array diode with a Zener voltage of 43V. This part is widely used in applications requiring regulated and limited power control, commonly found in automotive electronics, lighting, security systems and telecommunications devices.

The MMBZ5243BS-7-F is a three-lead Zener array with common cathode and anode leads. It is symmetrical, with one pin acting as the anode lead and the other two acting as cathode leads. This part holds a Zener voltage of 43V, with a maximum surge current of 2A and a power dissipation of 400mW. Additionally, its maximum clamping voltage (the maximum allowed voltage across the device) is 57.5V and its power dissipation at rated voltage is 200mW. The MMBZ5243BS-7-F features an operating junction temperature range of -55°C to +150°C, which provides it with reliable and consistent performance even in extreme environmental conditions.

The working principle of the MMBZ5243BS-7-F can be best understood by considering the behavior of a Zener diode connected in reverse bias. When a potential difference is applied across this diode, the electrons near the junction are “pushed” by the higher potential, resulting in the flow of a tiny current across the device. As the potential increases further, the electric field continues to increase and eventually reach the junction breakdown voltage. This is when the flow of current suddenly increases exponentially, causing the diode to enter the avalanche breakdown region. The Zener diode then acts as a constant voltage source, allowing it to achieve regulation and limiting of power in electronic circuits.

The MMBZ5243BS-7-F is ideal for applications requiring power regulation and limiting. It can be used in automotive electronics for lightning, security systems and telecommunications devices. Other uses include protection from voltage spikes in power supplies, voltage regulation, and current limiting in power conditioning circuits. Additionally, its wide operating temperature allows it to be used in extreme temperature conditions.

In summary, the MMBZ5243BS-7-F is a surface mount 3-pin array diode with a Zener voltage of 43V. Its maximum surge current and power dissipation are 2A and 400mW, respectively. It can be used in various applications, including automotive lighting, security systems, telecommunication devices, and voltage regulation.

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