The zener diode can stabilize the voltage by allowing the current to vary over a large range.

Specification:
Type: LL-34
Zener voltage: 3V 3V3 3V6 4V7 5V1 5V6 6V2 7V5 10V 12V 15V 20V 24V 39V
Power Dissipation: 0.5W
Product Dimensions: 3.5 x 1.4mm/0.14 x 0.06inch(L*OD)
Packing List: 1 Set x Surface Mount Zener Diode(20 Pcs of each voltage)

Advantage:
Zener diodes have good stability, low power loss, and high efficiency.
Zener Diode can be used for product development, experiments, maintenance, production, etc.

Note:
Please pay attention to distinguishing polarity when using it to avoid malfunction or damage.