DB4 WINGS | Alldatasheet
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Technical content
SILICON BIDIRECTIONAL DIAC
FEATURES
ABSOLUTE RATINGS(LIMITING VALUES)
ELECTRICAL CHARACTERISTICS
The three layer, two terminal, axial lead, hermetically sealed diacs are designed specifically for triggering thyristors. They demonstrate low breakover current at breakover voltage as they withstand peak pulse current, The breakover symmetry is within three volts. These diacs are intended for use in thyrisitors phase control , circuits for lamp dimming, universal motor speed control ,and heat control. DB4 are bi-directional trigged diode designed to operate in conjunction with Triacs and SCR's Power Dissipation on Printed Circuit(L=10mm) Breakover Voltage (Note 2 ) Breakover Voltage Symmetry C=22nF(Note 2) See diagram 1 C=22nF(Note 2) See diagram 1 C=22nF(Note 2) Min Min Min Typ 100 1.5 Max Max Max Max Typ I=(I to IF=10mA) See Diagram 1 BO See Diagram 2 See Diagram 3 V =0.5 V max see diagram 1 B BO Breakover Current (Note1) Leakage Current (Note1) Dynamic Breakover Voltage (Note1) Rise Time (Note1) Output Voltage (Note 1 ) PC mW A TSTG/TJ T =50 C A tp=10 s F=100Hz µ Repetitive Peak on-state Current Storage and Operating Junction Temperature -40 to+125/-40 to 110 C V V V V µA µS µA ITRM VBO I +V BO I + V I VO IBO IB tr I - V I BO DO-35(GLASS) Dimensions in inches and (millimeters) 2.0 2.0 2.0 150 Notes: 1.Electrical characteristics applicable in both forward and reverse directions. 2.Connected in parallel with the devices. Wing Shing Computer Components Co., (H.K.)Ltd. Tel:(852)2341 92 76 Fax:(852)2797 8153 Homepage: http: / / www.wingshing.com E-mail: ic@wingshing.com