Bidirectional DIAC Trigger Diode DB3/DB4 Bidirectional DIAC Trigger Diode Features • • • • • Low breakover current Excellent symmetry Very low leakage current Trigger diode with a fixed voltage reference High temperature soldering guaranteed: 250°C/10s/9.5mm lead length at 5 lbs tension DO-35 • RoHS Compliance Mechanical Data Case: Terminals: Weight: Glass Case DO-35 Plated axial leads, solderable per MIL-STD-750, method 2026 Approx. 0.13 gram Maximum Ratings (T Ambient=25ºC unless noted otherwise) Symbol Description PD Power Dissipation on Printed Circuit (L=10mm) (Ta=50°C) Repetitive Peak on-state Current (tp=20µs, f=100Hz) DB3 Unit 150 mW 2 A Operating Temperature Range -40 to +110 °C TSTG Storage Temperature Range -40 to +125 °C RθJA Thermal Resistance Junction to Ambient Air 400 ° C/W RθJL Thermal Resistance Junction to Case 150 ° C/W ITRM TJ TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: Fax: DB4 (800)-TAITRON (800)-824-8766 (800)-TAITFAX (800)-824-8329 (661)-257-6060 (661)-257-6415 Rev. B/AH Page 1 of 5 Bidirectional DIAC Trigger Diode DB3/DB4 Electrical Characteristics (T Ambient=25ºC unless noted otherwise) Symbol *VBO [ I+VBOI-I-VBOI ] Description *Breakover Voltage Min. Max. Unit Conditions DB3 28 36 V **C=22nF DB4 35 45 V See Fig.4 -3 3 V **C=22nF, See Fig.4 Breakover Voltage Symmetry **Dynamic Breakover Voltage 5 - V ∆1=[ IBO to IF=10mA ] See Fig.4 VO *Output Voltage 5 - V See Fig.6 IBO *Breakover Current - 50 µA **C=22nF Tr *Rise Time µs See Fig.5 IB *Leakage Current µA VB=0.5, VBO Max. See Fig.4 │±∆V│ Typ.1.5 - 10 *Electrical characteristic applicable in both forward and reverse directions. **Connected in parallel with the devices. Typical Characteristics Curves Fig.2- Typical Relative Variation of VBO VBO (Tj) VBO (Tj=25°C) Pd, Power Dissipation (mW) Fig.1-Max. Power Dissipation Ambient Temperature Ta (°C) Junction Temperature Tj (°C) Rev. B/AH www.taitroncomponents.com Page 2 of 5 Bidirectional DIAC Trigger Diode ITRM, Repetitive Peak on-state Current (A) DB3/DB4 Fig.3- Peak Pulse Current Tp (µs) Fig.4- Current–Voltage Characteristics Fig.5- Rise Time Measurement Rev. B/AH www.taitroncomponents.com Page 3 of 5 Bidirectional DIAC Trigger Diode DB3/DB4 Fig.6-Test Circuit for Output Voltage Dimensions in inches (mm) DO-35 Rev. B/AH www.taitroncomponents.com Page 4 of 5 Bidirectional DIAC Trigger Diode DB3/DB4 How to contact us: US HEADQUARTERS 28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162 Tel: (800) TAITRON (800) 824-8766 (661) 257-6060 Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415 Email: [email protected] Http://www.taitroncomponents.com TAITRON COMPONENTS MEXICO, S.A .DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P. 42970 MEXICO Tel: +52-55-5560-1519 Fax: +52-55-5560-2190 TAITRON COMPONETS INCORPORATED E REPRESENTAÇÕES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL Tel: +55-11-5574-7949 Fax: +55-11-5572-0052 TAITRON COMPONETS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. B/AH www.taitroncomponents.com Page 5 of 5