Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	130V
Tolerance:	±10%
Power - Max:	500mW
Impedance (Max) (Zzt):	1100 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 98.8V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AA, DO-7, Axial
Supplier Device Package:	DO-7

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1N988A Application Field and Working Principle

Introduction to 1N988A

1N988A is a popular Zener diode manufactured by ON Semiconductor. It is a single diode and has many applications in various fields, such as TV and computer interconnects, low-voltage power supplies, and telecom systems. The package type for 1N988A is DO-35, and the maximum power rating is 625mW@ 7.5V. The maximum reverse voltage is 14V, and the breakover voltage is also 14V.

Applications of 1N988A

1N988A is a popular choice when it comes to component selection for a wide range of applications. This Zener diode can be used in low-voltage power supplies, especially when dealing with input voltages close to the breakover voltage. It is also suitable for use in boosting the signal of a passive device, such as an amplifier, as the low impedance ensures good signal isolation. Furthermore, 1N988A is also used in multiplexed video signal distribution, and was commonly used in earlier TV models.

Working Principle of 1N988A

The working principle of 1N988A revolves around the Zener diodes’ characteristic of allowing the tiny current to flow when the forward bias reaches certain threshold value. When the forward voltage applied across the 1N988A is equal to or greater than the breakover voltage, the current starts to flow in the reverse direction across the device. The unique feature of the 1N988A is that it can withstand high voltages up to the maximum reverse voltage while protecting its connected components from electric shocks. The current that is allowed to flow through the 1N988A is also limited by its maximum power rating.

Conclusion

1N988A is an incredibly useful Zener diode, commonly used in a wide range of electronic applications. It can handle large voltages and prevents electric shocks, making it suitable for circuit protection. It is also used in various low-voltage power supplies, as well as boosting the signal of a passive device. The working principle of 1N988A is fairly simple. When a forward voltage close to the breakover voltage is applied, a current will start to flow in the reverse direction across the device. This current is limited by the 1N988A’s maximum power rating. Overall, 1N988A is an invaluable component in many electrical and electronic circuits.

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