BZB84-C18,215 Allicdata Electronics
Allicdata Part #:

BZB84-C18,215-ND

Manufacturer Part#:

BZB84-C18,215

Price: $ 0.04
Product Category:

Discrete Semiconductor Products

Manufacturer: Nexperia USA Inc.
Short Description: DIODE ZENER ARRAY 18V SOT23
More Detail: Zener Diode Array 1 Pair Common Anode 18V 300mW ±5...
DataSheet: BZB84-C18,215 datasheetBZB84-C18,215 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
3000 +: $ 0.02860
Stock 1000Can Ship Immediately
$ 0.04
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Configuration: 1 Pair Common Anode
Voltage - Zener (Nom) (Vz): 18V
Tolerance: ±5%
Power - Max: 300mW
Impedance (Max) (Zzt): 45 Ohms
Current - Reverse Leakage @ Vr: 50nA @ 12.6V
Voltage - Forward (Vf) (Max) @ If: 900mV @ 10mA
Operating Temperature: --
Mounting Type: Surface Mount
Package / Case: TO-236-3, SC-59, SOT-23-3
Supplier Device Package: TO-236AB (SOT23)
Description

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Diodes are subgroup of semiconductor devices that pass current in one direction. Zener diodes, though having the same characteristics as their pn-junction counterparts, have different materials and construction methods that facilitate the operation of diodes at higher reverse voltages than their standard counterparts. The BZB84-C18,215 is a voltage-stabilizing Zener diode array. It is commonly used to create a voltage stabilizing circuit given its capabilities of continously conducting current and being able to maintain a steady voltage distribution.

Construction

The BZB84-C18,215 is available in a common SOT-23 (Small Outline Transistor) package. It contains 4 Zener diodes, each with its own reverse breakdown voltage; 6.2 V, 7.0 V, 7.5 V and 8.2 V, respectively. Each of the 4 diodes has dedicated anode and cathode terminals that are externally accessible. The diode array also has contains a solder pad and thermal pad to ensure good heat transfer. Furthermore, the construction of the device features unidirectional power supply circuits and a clamping structure.

Operation

For proper operation, the BZB84-C18,215 should be used in applications where the input voltage can exceed the rated reverse breakdown voltage of the respective diodes. This will result in the current from the input voltage detecting the “over limit set point” of the diode and cause it to conduct, thus resulting in a regulated output voltage. The current from the input voltage is “clamped” and held at a steady level as the Zener diode operates to keep the voltage at a set level.

Application Fields

The BZB84-C18,215 may be used in various applications such as DC converters, buck converters, step-up converters, and protecting power supply lines in a variety of industrial control systems or electrical and electronic devices. It can be used to stabilize DC voltage and to control small currents, current fluctuations, and interferences. It is also useful for protect circuits from overvoltage spikes and can protect LED displays and LED string circuits, as the diode array operates with very low dropout voltage control.

Apart from DC voltage isolation, the BZB84-C18,215 can also be used in single-cell lithium battery protection circuits. The device ensures proper working at higher input voltages even when the battery voltage is low. This makes it suitable for applications where a proper voltage source is required to keep the battery powered.

Conclusion

The BZB84-C18,215 is a Zener diode array device used to isolate and stabilize DC voltage and protect circuits from overvoltage spikes. It contains four Zener diodes with dedicated anode and cathode terminals, a solder pad and thermal pad to ensure good heat transfer and a clamping structure for proper operation. The device can be used in various applications including DC converters, buck converters, step-up converters, and lithium battery protection circuits. It is reliable and cost-effective, allowing users to take advantage of its features and applications.

The specific data is subject to PDF, and the above content is for reference

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