ZENER DIODES - REGULATION IN SURFACE MOUNT NOMINAL ZENER 225mV BREAKDOWN VOLTAGE SOT-23 Cathode Volts Volts No Connection Plastic Case 318 To-236AB REV. : 0 2.7 BZX84C2V7LT1 MMBZ5223BLT1 3.3 BZX84C3V3LT1 MMBZ5226BLT1 5.1 BZX84C5V1LT1 MMBZ5231BLT1 6.8 BZX84C6V8LT1 MMBZ5235BLT1 9.1 BZX84C9V1LT1 MMBZ5239BLT1 12.0 BZX84C12LT1 MMBZ5242BLT1 18.0 BZX84C18LT1 MMBZ5248BLT1 24.0 BZX84C24LT1 MMBZ5252BLT1 27.0 BZX84C27LT1 MMBZ5254BLT1 36.0 BZX84C36LT1 MMBZ5258BLT1 Zowie Technology Corporation ZENER DIODES - ELECTRICAL CHARACTERISTICS 3 1 2 ( Pinout : 1- Anode , 2- Nc , 3- Cathode ) ( VF = 0.9V Max. @ IF = 10mA for all types ) ( 225mW ) Type Number Marking Max. Zener Zener Voltage Max. Zener dvz / dt CPF Impedance VZ3 ( Volts ) Impedance ( mV / k ) Max. @ IZT2=1mA ZZT2 @ IZT3=20mA ZZT3 @ IZT1=5mA @ VR=0 ( Note 1 ) ( ohms ) ( Note 1 ) ( ohms ) Zener Voltage Max. Zener Max. Zener Voltage VZI ( Volts ) Impedance Reverse VZ2 ( Volts ) @ IZT1=5mA ZZT1 Leakage ( Note 1 ) ( ohms ) Current @ IZT2=1mA @ IZT1=5mA Nom Min. Max. IR ( uA ) VR Volts Min. Max. 2.4 f=1MHz @ IZT3=20mA Min. Max. Min. Max. 600 3.0 3.6 50 -3.5 0 450 600 3.6 4.2 40 -3.5 0 450 BZX84C2V7LT1 Z12 2.7 2.5 2.9 100 20.00 1.0 1.9 BZX84C3V3LT1 Z14 3.3 3.1 3.5 95 5.00 1.0 2.3 BZX84C5V1LT1 Z2 5.1 4.8 5.4 60 2.00 2.0 4.2 5.3 480 5.0 5.9 15 -2.7 1.2 225 BZX84C6V8LT1 Z5 6.8 6.4 7.2 15 2.00 4.0 6.3 7.2 80 6.4 7.4 6 1.2 4.5 155 BZX84C9V1LT1 Z8 9.1 8.5 9.6 15 0.50 6.0 8.4 9.6 100 8.5 9.7 8 3.8 7.0 130 BZX84C12LT1 Y2 12.0 11.4 12.7 25 0.10 8.0 11.2 12.7 150 11.4 12.9 10 6.0 10.0 130 BZX84C18LT1 Y6 18.0 16.8 19.1 45 0.05 12.6 16.7 19.0 225 16.9 19.2 20 12.4 16.0 100 BZX84C24LT1 Y9 24.0 22.8 25.6 70 0.05 16.8 22.7 25.5 250 22.9 25.7 25 18.4 22.0 80 2.9 VZ1 ZZT1 VZ2 ZZT2 VZ3 ZZT3 dvz / dt Below Below Below Below Below Below ( mV / k ) @ IZT1=2mA @ IZT1=2mA @ IZT4=0.1mA @ IZT4= @ IZT3=10mA @ IZT3= Below 10mA @ IZT1=2mA 0.5mA ( Note 2 ) BZX84C27LT1 Y10 27.0 25.1 28.9 80 0.05 18.9 25.0 28.9 300 25.2 29.3 45 21.4 25.3 70 BZX84C36LT1 Y13 36.0 34.0 38.0 90 0.05 25.2 33.8 38.0 350 34.1 38.4 60 30.4 37.4 70 o Note : 1. Zener voltage is measured with a pulse test current ( Iz ) applied at an ambient temperature of 25 C. 2. The zener impedance, ZZT2, for the 27 through 75 volt types is tested at 0.5mA rather than the test current of 0.1mA used for VZ2 REV. : 0 Zowie Technology Corporation ZENER DIODES - ELECTRICAL CHARACTERISTICS 3 1 2 ( Pinout : 1- Anode , 2- Nc , 3- Cathode ) ( VF = 0.9V Max. @ IF = 10mA for all types ) ( 225mW ) DEVICE MARKING TEST CURRETN ZENER ZZK ZZT Max. Max. IZT Voltage IZ = 0.25mA IZ = IZT @ IR @ VR mA VZ ( 5% ) Max. @10%Mod ( uA ) (V) NORMAL Max. ( NOTE 1 ) MMBZ5223BLT1 18C 20.0 2.7 1300 30 75.0 1.0 MMBZ5226BLT1 8A 20.0 3.3 1600 28 25.0 1.0 MMBZ5231BLT1 8F 20.0 5.1 1600 17 5.0 2.0 MMBZ5235BLT1 8K 20.0 6.8 750 5 3.0 5.0 MMBZ5239BLT1 8P 20.0 9.1 600 10 3.0 7.0 MMBZ5242BLT1 8S 20.0 12.0 600 30 1.0 9.1 MMBZ5248BLT1 8Y 7.0 18.0 600 21 0.1 14.0 MMBZ5252BLT1 81C 5.2 24.0 600 33 0.1 18.0 MMBZ5254BLT1 81E 4.6 27.0 600 41 0.1 21.0 MMBZ5258BLT1 81J 3.4 36.0 700 70 0.1 27.0 o Note : 1. Zener voltage is measured with a pulse test current ( Iz ) applied at an ambient temperature of 25 C. REV. : 0 Zowie Technology Corporation