
Allicdata Part #: | 1086-18479-ND |
Manufacturer Part#: |
JANTX1N4957C |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | DIODE ZENER 9.1V 5W E AXIAL |
More Detail: | Zener Diode 9.1V 5W ±2% Through Hole E, Axial |
DataSheet: | ![]() |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
Series: | Military, MIL-PRF-19500/435 |
Packaging: | Bulk |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 9.1V |
Tolerance: | ±2% |
Power - Max: | 5W |
Impedance (Max) (Zzt): | 2 Ohms |
Current - Reverse Leakage @ Vr: | 25µA @ 6.9V |
Voltage - Forward (Vf) (Max) @ If: | 1.5V @ 1A |
Operating Temperature: | -65°C ~ 175°C |
Mounting Type: | Through Hole |
Package / Case: | E, Axial |
Supplier Device Package: | E, Axial |
Description
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Introduction: The JANTX1N4957C is a type of single Zener diode, which is used in a variety of applications to regulate a fixed level of voltage. It is designed to operate over a reverse voltage range of 4.7 to 150 volts, with a typical reverse current of 25 µA. The diode allows current to flow in the opposite direction when it reaches a certain forward voltage level, thus providing a steady and reliable output voltage.
Physcial Features: As with all single Zener diodes, the JANTX1N4957C is a two-terminal device, composed of a single semiconductor junction with a low forward voltage drop. The device is encapsulated in a hermetically sealed, DO-204AA (DO-35) ultra-miniature package, which measures 4.57mm x 3.18mm x 3.18mm (0.18" x 0.13" x 0.13"). This makes the device ideal for miniaturized, space-constrained applications.
Electrical Features: The JANTX1N4957C has a forward voltage drop range of 0.37 to 0.73V, depending on its forward current. The device can handle power losses up to 0.125 watts, operating at ambient temperatures of -65°C to +150°C. This diode has a reverse breakdown voltage of 5.6V, and can handle current ratings of up to 200mA.
Applications: The JANTX1N4957C is primarily used in portable devices and handheld electronics, where a steady and reliable supply of power is required. It is also used as a voltage regulator in power supplies, where a fixed voltage level is necessary for proper operation of the system. Other applications include over-voltage and reverse-voltage protection for electronic components, as well as EMI/RFI noise reduction.
Working Principle: The JANTX1N4957C works on the principle of zener breakdown. When connected to a voltage source, the Zener diode will allow current flow in the forward direction until the forward voltage reaches a certain level. At this point, the applied voltage will cause an avalanche breakdown effect, causing the diode to quickly switch to the reverse bias direction. This results in a steady, reliable output voltage regardless of the fluctuating nature of the input voltage.
Conclusion: The JANTX1N4957C is a single Zener diode, designed to provide a steady and reliable output voltage in a variety of applications. The device is hermetically sealed, making it suitable for miniaturized and space-constrained applications. It has a reverse breakdown voltage of 5.6V, and can handle current ratings up to 200mA. The diode works on the principle of zener breakdown, allowing it to switch quickly and efficiently from the forward to reverse bias direction when the applied voltage reaches a certain threshold.
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