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| DB3 BIDIRECTIONAL TRIGGER DIODE Features DO-35 VBO : 32V Breakover voltage range : 28 to 36V 0.079(2.0) MAX 1.0 2(26.0) MIN. 0.165 (4.2) MAX Applications Functioning as a trigger diode with a fixed voltage reference, the DB3 can be used in conjunction with triacs for simplified gate control circuits or as a starting element in fluorescent lamp ballasts. 0.020(0.52) TYP 1.0 2(26.0) MIN. All Dimensions in mm Absolute Maximum Ratings (Limiting values) Parameter Repetitive peak on-state current (tp=20 s F=120 Hz) Operating junction temperature range Storage temperature range Symbol ITRM Tj Tstg Value 2 -40 ~ +125 -40 ~ +125 Unit A Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may affect device reliability. Electrical Characteristics (Tj=25 unless otherwise specified) Parameter Breakover voltage* Symbol VBO C=22nF** Test Conditions MIN. TYP. MAX. Breakover voltage symmetry Dynamic breakover voltage* Output voltage* Breakover current* Rise time* Leakage current* |VBO1-VBO2| V VO IBO tr IR C=22nF** VBO and VF at 10mA see diagram 2(R=20 ) C=22nF** see diagram 3 VR=0.5VBO max MAX. MIN. MIN. MAX. MAX. MAX. Value 28 32 36 3 5 5 50 2 10 V V V A s A Unit V *Applicable to both forward and reverse directions. **Connected in parallel to the device. DB3 RATINGS AND CHARACTERISTIC CURVES Diagram 2. Test circuit Diagram 1. Voltage - current characteristic curve Diagram 3. Rise time measurement DB3 RATINGS AND CHARACTERISTIC CURVES Figure 1. Relative variation of VBO versus junction temperature (typical values) Figure 2. Repetitive peak pulse current versus Pulse duration (maximum values) Figure 3. Time duration while current pulse is higher 50 mA versus C and Rs (typical values) |
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