Motorola 1N4688

1N4688 Motorola
Motorola

Product Information

The 1N4688 by Motorola is a zener diode commonly employed as a voltage regulator or reference component in electronic circuits. It helps maintain a stable voltage by allowing current to flow in reverse when a specific voltage threshold is reached.

Current - Reverse Leakage @ Vr:
10 µA @ 3 V
Mounting Type:
Through Hole
HTSUS:
8541.10.0050
Package:
Bulk
Series:
-
Voltage - Forward (Vf) (Max) @ If:
1.5 V @ 100 mA
Operating Temperature:
-65°C ~ 200°C (TJ)
Supplier Device Package:
DO-35 (DO-204AH)
Power - Max:
500 mW
Voltage - Zener (Nom) (Vz):
4.7 V
Package / Case:
DO-204AH, DO-35, Axial
Tolerance:
±5%
ECCN:
EAR99
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The Motorola 1N4688 is a high-performance zener diode designed for voltage regulation applications. With a zener voltage of 4.7V, a power rating of 0.5W, and a tolerance of 5%, this diode offers precise and stable voltage regulation in electronic circuits. With its key features and diverse applications in voltage regulation, overvoltage protection, and signal clipping, the 1N4688 is a versatile component employed in various electronic circuits.

The Motorola 1N4688’s Key Features Include the following:

  • Zener Voltage: The 1N4688 has a zener voltage of 4.7V, which allows current to flow in reverse when the voltage across it exceeds the zener voltage. This property makes it ideal for voltage regulation purposes.
  • Power Rating: With a power rating of 0.5W, the 1N4688 can handle power dissipation of up to 0.5W without damage. This makes it suitable for applications where moderate power handling is required.
  • Tolerance: The 5% tolerance of the 1N4688 indicates that the actual zener voltage can deviate by ±5% from the nominal value of 4.7V. This tolerance ensures that the diode operates within acceptable limits, even in the presence of manufacturing variations.

Where to Use the Motorola 1N4688?

  • Voltage Regulation: The primary application of the 1N4688 diode is in voltage regulation circuits. Connecting it in reverse bias across a power supply maintains a stable output voltage despite variations in input voltage or load conditions. It uses power supplies, voltage regulators, and voltage reference circuits.
  • Signal Clipping: Due to its zener behaviour, the 1N4688 can be utilised for signal clipping applications. It limits the amplitude of a signal to a specific voltage level, ensuring that the movement remains within desired bounds.
  • Overvoltage Protection: The 1N4688 can be employed as an overvoltage protection component. Placing it in series with sensitive components or circuits protects them from excessive voltage spikes or surges.

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FAQs

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