| Allicdata Part #: | SMPZ3937B-E3/85A-ND |
| Manufacturer Part#: |
SMPZ3937B-E3/85A |
| Price: | $ 0.00 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Vishay Semiconductor Diodes Division |
| Short Description: | DIODE ZENER 33V 500MW DO220AA |
| More Detail: | Zener Diode 33V 500mW ±5% Surface Mount DO-220AA (... |
| DataSheet: |  SMPZ3937B-E3/85A Datasheet/PDF |
| Quantity: | 1000 |
| 1 +: | 0.00000 |
Specifications
| Series: | eSMP® |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Obsolete |
| Voltage - Zener (Nom) (Vz): | 33V |
| Tolerance: | ±5% |
| Power - Max: | 500mW |
| Impedance (Max) (Zzt): | 33 Ohms |
| Current - Reverse Leakage @ Vr: | 500nA @ 25.1V |
| Voltage - Forward (Vf) (Max) @ If: | 1.5V @ 200mA |
| Operating Temperature: | -65°C ~ 150°C |
| Mounting Type: | Surface Mount |
| Package / Case: | DO-220AA |
| Supplier Device Package: | DO-220AA (SMP) |
Description
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SMPZ3937B-E3/85A is a general-purpose Zener diode, recognized as single and belongs to the Diodes - Zener series. It has Zener voltage-temperature characteristics (VZT ) and break down current (IBD). It can be used as either a reference for voltages or as a protection for modules.
Application
SMPZ3937B-E3/85A can be used as a voltage reference, or is used to stabilize a voltage against slight variations in current, thus protecting components and preventing malfunctions. It is used in many electronic devices such as computers, televisions, amplifiers, mixers and various other electronic products.Working Principle
SMPZ3937B-E3/85A consists of two parts, namely, P-N junction and Zener diode. The P-N junction works as a diode, allowing current to flow in one direction and blocking current in the other. When a reverse voltage is applied to the diode, the voltage breaks down and it allows a current to flow in the reverse direction. The reverse breakdown current is limited within a certain range, and the voltage across the diode is stabilized at the Zener voltage. This Zener voltage is determined by the breakdown voltage of the P-N junction.The Zener diode has the voltage-temperature characteristic of the Zener voltage that determines its working range. Generally, the Zener voltage is low at lower temperatures, relatively high at high temperatures, but the variation of the Zener voltage is within a certain range. The Zener diode needs to be connected with a resistor for its normal operation, as the diode needs to be able to control the current in order to maintain a constant voltage.Conclusion
The SMPZ3937B-E3/85A is a general-purpose Zener diode that has VZT and IBD characteristics. It can be used as a voltage reference or as a protection for modules. It relies on its P-N junction and Zener diode to operate and has its own voltage-temperature characteristic. It is used in many electronic devices, such as computers, televisions, amplifiers, mixers and various other electronic products.The specific data is subject to PDF, and the above content is for reference
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