DB3W

DB3W Silicon Bidirectional Trigger Diodes PINNING FEATURES These diacs are intended for use in thyristor phase control. circuits for lamp-dimming. universal-motor speed controls. and heat controls. PIN MECHANICAL DATA ▪Case: SOD-123FL ▪Terminals: Solderable per MIL-STD-750, Method 2026 ▪Approx. Weight:15mg 0.00048oz DESCRIPTION 1 Cathode 2 Anode 1 2 Top View Marking Code： DB3W / DC34W / DB4W Simplified outline SOD-123FL and symbol Absolute Maximum Ratings (Ta = 25°C ) Symbol Value Unit Power Dissipation (T C = 100°C ) P tot 150 mW Repetitive Peak On-state Current (tp = 20 µs, f = 100 Hz) I TRM 2 A T j , T stg - 40 to + 125 °C Parameter Operating Junction and Storage Temperature Range Characteristics at T a = 25°C Symbol Parameter DB3W Min. Max. Unit 28 36 V 30 38 V 35 45 V - 3 V Breakover Voltage at C = 22 nF, see diagram 1 V BO DC34W DB4W Breakover Voltage Symmetry at C = 22 nF, see diagram 1 [|+V BO |-|- V BO |] Dynamic Breakover Voltage at △I = [I BO to I F = 10 mA] | △V ± | Output Voltage See diagram 2 VO Breakover Current at C = 22 nF I BO Leakage Current at V B =0.5V BO max IB Rise Time See diagram 3 tr www.slkormicro.com 1 5 5 - - V V 50 μA 10 μA 2 μs DB3W Diagram2: Test circuit for output voltage △ △ Diagram1: current-voltage characteristice 10KΩ +I F 500KΩ 220V 50Hz IO R=20Ω 0.1μF (10mA) VO I BO IB -V D.U.T +V 0 0. 5V BO Diagram3 : Test circuit see Fig.2 . Adjust R for lp=0.5A △V VO V BO 90％ -I F 10％ tr Fig.2: Power dissipation versus ambient temperapture(maximum values) VBO[Tj] VBO[Tj=25°C ] 150 120 90 60 30 0 25 50 75 100 125 150 CASE TEMPERATURE,°C I TRM,PEAK PULSE CURRENT,A 10 1 0.1 0.01 100 1000 10000 tp,PULSE DURATION,µs www.slkormicro.com 1.08 1.06 1.04 1.02 1.00 25 T J (°C) 50 75 100 T j,JUNCTION TEMPERATURE, °C Fig.3: Power dissipation versus ambient temperapture(maximum values) 10 RELATIVE VARIATION OF V BO P,POWER DISSIPATION,mW Fig.1: Power dissipation versus ambient temperapture(maximum values) 2 125 DB3W PACKAGE OUTLINE Plastic surface mounted package; 2 leads SOD-123FL ∠ALL ROUND C A ∠ALL ROUND VM D E A g Top View mil Bottom View A C D E e g HE max 1.1 0.20 2.9 1.9 1.1 0.9 3.8 min 0.9 0.12 2.6 1.7 0.8 0.7 3.5 max 43 7.9 114 75 43 35 150 min 35 4.7 102 67 31 28 138 UNIT mm 1.2 (47) 1.2 (47) 2.0 (79) Unit： mm (mil) www.slkormicro.com ∠ 7° The recommended mounting pad size 1.2 (47) g pad e E A pad HE 3