BOJACK 30 Values 600 pcs 1W High Quality Zener Diodes Assortment KitPackage List:20 Pcs * IN4727A (3V)20 Pcs * IN4728A (3.3V)20 Pcs * IN4729A (3.6V)20 Pcs * IN4730A (3.9V)20 Pcs * IN4731A (4.3V)20 Pcs * IN4732A (4.7V)20 Pcs * IN4733A (5.1V)20 Pcs * IN4734A (5.6V)20 Pcs * IN4735A (6.2V)20 Pcs * IN4736A (6.8V)20 Pcs * IN4737A (7.5V)20 Pcs * IN4738A (8.2V)20 Pcs * IN4739A (9.1V)20 Pcs * IN4740A (10V)20 Pcs * IN4741A (11V)20 Pcs * IN4742A (12V)20 Pcs * IN4743A (13V)20 Pcs * IN4744A (15V)20 Pcs * IN4745A (16V)20 Pcs * IN4746A (18V)20 Pcs * IN4747A (20V)20 Pcs * IN4748A (22V)20 Pcs * IN4749A (24V)20 Pcs * IN4750A (27V)20 Pcs * IN4751A (30V)20 Pcs * IN4752A (33V)20 Pcs * IN4753A (36V)20 Pcs * IN4754A (39V)20 Pcs * IN4755A (43V)20 Pcs * IN4756A (47V)This diode is Low leakage, forward voltage drop, high efficiency andlow power loss,widely used in product development, student experiments,maintenance, production, etc.