
Allicdata Part #: | 1N4687BK-ND |
Manufacturer Part#: |
1N4687 BK |
Price: | $ 0.31 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Central Semiconductor Corp |
Short Description: | DIODE ZENER 4.3V 500MW DO35 |
More Detail: | Zener Diode 4.3V 500mW ±5% Through Hole DO-35 |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 0.27783 |
Series: | -- |
Packaging: | Bulk |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 4.3V |
Tolerance: | ±5% |
Power - Max: | 500mW |
Current - Reverse Leakage @ Vr: | 4µA @ 2V |
Voltage - Forward (Vf) (Max) @ If: | 1.5V @ 100mA |
Operating Temperature: | -65°C ~ 200°C (TJ) |
Mounting Type: | Through Hole |
Package / Case: | DO-204AH, DO-35, Axial |
Supplier Device Package: | DO-35 |
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The 1N4687 BK diode is a type of diode commonly used in electronics. It belongs to the Zener diode family, and is a single type of diode. The 1N4687 is a general purpose, voltage stabilized Zener diode mostly used in accomplishing temperature compensation and voltage regulation. It is a static reverse complex with a breakdown voltage rating of 6. 8V at a 75°C junction temperature (TJ).
Application Field
The 1N4687 BK diode can be found in a variety of applications as it helps in achieving various signal conditioning, voltage regulation, and other voltage-dependant functions. Due to its breakdown voltage rating and precise temperature compensating resistor, it is mainly used in power electronics, measuring instruments, computers and communication equipment, lighting, and auto-control circuits. Furthermore, it can also be applied in high reliability and air tightness applications such as pacemakers, gas detectors, and temperature controlling circuits.
Working Principle
The working principle of the 1N4687 BK diode is relatively simple. Through a high resistance, the diode acts as a voltage-controlled resistor that regulates the voltage to a constant specified level. The diode is connected in a reverse-biased voltage configuration, and as the voltage applied across the diode rises, so does the current. Once the voltage reaches the breakdown voltage, the current starts to increase exponentially, with the maximum current being limited by the design of the diode. This phenomenon is referred to as Zener breakdown, and is what allows the 1N4687 BK diode to achieve its voltage regulation functions.
In addition, the 1N4687 BK diode contains a temperature compensating resistor which prevents the Zener breakdown current from changing too drastically with temperature. This prevents the diode from becoming too hot, and also allows it to maintain a constant voltage in various different temperature environments.
Conclusion
The 1N4687 BK diode is a great choice for a wide range of applications. Its main advantages include its low breakdown voltage rating, precise temperature compensation, and steady regulation of voltage. All these features make it an ideal choice for measuring instruments, computers and communication equipment, lighting, and auto-control circuits, as well as high reliability shipping and temperature controlling applications. With their relatively simple and economic working principle, these diodes are the perfect choice for all your voltage regulating needs.
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Part Number | Manufacturer | Price | Quantity | Description |
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1N4688 (DO35) | Microsemi Co... | 0.0 $ | 1000 | DIODE ZENER 4.7V 500MW DO... |
1N4621UR-1 | Microsemi Co... | 0.0 $ | 1000 | DIODE ZENER 3.6V 500MW DO... |
1N4616UR | Microsemi Co... | 2.38 $ | 1000 | DIODE ZENER 2.2V 500MW DO... |
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1N4685UR-1 | Microsemi Co... | 3.51 $ | 1000 | DIODE ZENER 3.6V 500MW DO... |
1N4614 BK | Central Semi... | 0.31 $ | 1000 | DIODE ZENER 1.8V 250MW DO... |
1N4681 BK | Central Semi... | 0.31 $ | 1000 | DIODE ZENER 2.4V 500MW DO... |
1N4688 TR | Central Semi... | 0.29 $ | 1000 | DIODE ZENER 4.7V 500MW DO... |
1N4687 BK | Central Semi... | 0.31 $ | 1000 | DIODE ZENER 4.3V 500MW DO... |
1N4684 (DO35) | Microsemi Co... | 3.14 $ | 1000 | DIODE ZENER 3.3V 500MW DO... |
1N4679 BK | Central Semi... | 0.31 $ | 1000 | DIODE ZENER 2V 500MW DO35... |
1N4623-1E3 | Microsemi Co... | 2.04 $ | 1000 | DIODE ZENER 4.3V 250MW DO... |
1N4689 TR | Central Semi... | 0.29 $ | 1000 | DIODE ZENER 5.1V 500MW DO... |
1N4620 TR | Central Semi... | 0.29 $ | 1000 | DIODE ZENER 3.3V 250MW DO... |
1N4681 | Microsemi Co... | 3.14 $ | 1000 | ZENER DIODEZener Diode |
1N4697 | Microsemi Co... | 3.14 $ | 1000 | ZENER DIODEZener Diode |
1N4693 | Microsemi Co... | -- | 1000 | ZENER DIODEZener Diode |
1N4678UR-1 | Microsemi Co... | 3.51 $ | 1000 | DIODE ZENER 1.8V 500MW DO... |
1N4699 | Microsemi Co... | -- | 1000 | ZENER DIODEZener Diode |
1N4618-1 | Microsemi Co... | 1.9 $ | 1000 | DIODE ZENER 2.7V 500MW DO... |
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1N4686 BK | Central Semi... | 0.31 $ | 1000 | DIODE ZENER 3.9V 500MW DO... |
1N4625UR | Microsemi Co... | 2.38 $ | 1000 | DIODE ZENER 5.1V 500MW DO... |
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