MMBZ5243B-TP Allicdata Electronics
Allicdata Part #:

MMBZ5243B-TP-ND

Manufacturer Part#:

MMBZ5243B-TP

Price: $ 0.04
Product Category:

Discrete Semiconductor Products

Manufacturer: Micro Commercial Co
Short Description: DIODE ZENER 13V 350MW SOT23
More Detail: Zener Diode 13V 350mW ±5% Surface Mount SOT-23
DataSheet: MMBZ5243B-TP datasheetMMBZ5243B-TP Datasheet/PDF
Quantity: 1000
3000 +: $ 0.03969
Stock 1000Can Ship Immediately
$ 0.04
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Voltage - Zener (Nom) (Vz): 13V
Tolerance: ±5%
Power - Max: 350mW
Impedance (Max) (Zzt): 13 Ohms
Current - Reverse Leakage @ Vr: 500nA @ 9.9V
Voltage - Forward (Vf) (Max) @ If: 1.2V @ 100mA
Operating Temperature: -55°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, SOT-23-3
Supplier Device Package: SOT-23
Description

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Diodes - Zener - Single

The MMBZ5243B-TP is a single Zener diode, which is a two-terminal semiconductor device, basically a single PN junction. It is specifically designed to prevent voltage surges in long-distance telephone and telecom systems, as well as in electronic circuits. The basic concept behind this device is that, when a voltage across its terminals reaches the "breakdown" or "zener" voltage, a sudden surge in current will flow through the diode, protecting other components in the circuit from the effects of the surge.

In Zener applications, the diode is reverse-biased, which means current does not flow until a reverse voltage is applied across the junction. When the breakdown voltage is reached (usually 5-6V for the MMBZ5243B-TP), the diode breaks down, allowing current to flow from the anode to the cathode.

The MMBZ5243B-TP has a breakdown voltage range of 5.6V to 6.2V and a maximum reverse power dissipation of 200mW. It also has a low forward voltage drop, which means it can handle higher currents than other diodes. It has a low reverse-voltage leakage current, making it ideal for telephone applications where fast response times and low power dissipation are necessary.

The working principle of the MMBZ5243B-TP is simple and well understood. When a voltage higher than the breakdown voltage of the diode is applied to it, the diode breaks down and begins to conduct current. The diode then acts as a resistor, limiting the voltage to the breakdown voltage and protecting other components from damage. This type of diode is useful in many telecom applications where fast response times are needed.

It is important to remember that the MMBZ5243B-TP is designed to prevent voltage surge events in telecom systems, but should not be relied upon as the only means of protecting against surges. For complete protection, additional components such as capacitors and varistors should be added to the circuit.

In summary, the MMBZ5243B-TP is a single Zener diode designed to protect telecom systems and electronic circuits from the effects of voltage surges. It operates in a similar manner to other diodes, but has a lower forward voltage drop and a higher reverse voltage rating, making it suitable for telephone applications. Its simple working principle and low forward voltage drop make it useful in a number of telecom systems.

The specific data is subject to PDF, and the above content is for reference

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