Allicdata Part #: | SZMMSZ5242BT1GOSTR-ND |
Manufacturer Part#: |
SZMMSZ5242BT1G |
Price: | $ 0.05 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | DIODE ZENER 12V 500MW SOD123 |
More Detail: | Zener Diode 12V 500mW ±5% Surface Mount SOD-123 |
DataSheet: | SZMMSZ5242BT1G Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.04366 |
6000 +: | $ 0.03929 |
15000 +: | $ 0.03493 |
30000 +: | $ 0.03275 |
75000 +: | $ 0.02911 |
Series: | Automotive, AEC-Q101 |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 12V |
Tolerance: | ±5% |
Power - Max: | 500mW |
Impedance (Max) (Zzt): | 30 Ohms |
Current - Reverse Leakage @ Vr: | 1µA @ 9.1V |
Voltage - Forward (Vf) (Max) @ If: | 900mV @ 10mA |
Operating Temperature: | -55°C ~ 150°C |
Mounting Type: | Surface Mount |
Package / Case: | SOD-123 |
Supplier Device Package: | SOD-123 |
Base Part Number: | MMSZ5242B |
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SZMMSZ5242BT1G is a short form of Sot-23 Zener Single Diode. It is a two pin small signal diode which is available in surface mount package, particularly designed for automated assembly process. This device works as low power voltage regulator, with a breakdown voltage of 5.2 volts, Zener impedance of 5.5 Ohm and power dissipation of 250mW (at the operating temperature of 25°C).
Application Field:
SZMMSZ5242BT1G device is specially designed to operate at high temperature as compared to other Zener diodes and other components. This reduces the failure rate of the product and makes it a suitable choice for applications where size is a major concern. Some of the popular application areas are:
- Regulating voltage in I2C-bus interface designs
- As clamps for circuit protection
- Very low-power battery operated systems
- Automotive electronics
- Portable consumer goods
- Video/digital circuit designs
Working Principle:
SZMMSZ5242BT1G diodes are based on the principle of breakdown voltage to regulate voltage. It operates with a zener voltage of 5.2V and with a zener impedance of 5.5 Ohms. This device works when a current is passed through it and it breaks down when the voltage on either side of the pins exceeds 5.2V. It also acts as a voltage regulator when voltage is supplied to it. When input voltage rises above this set voltage, diode works as a voltage regulator and regulates the output voltage to the zener voltage by dissipating excess of power in the form of heat.
When the applied voltage is reduced, it works as a diode clipper or a voltage clamp. This prevents the output voltage from dropping further from the set voltage and maintains the output voltage at a level. This type of voltage regulation is used in battery operated devices such as mobiles, laptops etc where battery power needs to be regulated and maintained at the same voltage level throughout the usage time.
SZMMSZ5242BT1G diode also works as a transient suppressor and protects electronic circuits from inrush current, electrical surges and voltage spikes caused by lightning etc. It also provides protection in noisy environments, where high frequency signals like noise etc could interfere with the diode operation and cause an erratic voltage output or sudden shut down of the circuit. This device can also be used in voltage control applications and ensures that the desired voltage level is maintained at all times.
SZMMSZ5242BT1G is one of the best choices for two pin small signal diodes available in the market today. It is available in surface mount package for automated assembly process and provides an improved temperature performance compared to other Zener diodes. This device is suitable for low power voltage regulation, transient suppression and voltage control applications.
The specific data is subject to PDF, and the above content is for reference
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