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TBU-DT065-300-WH Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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TBU-DT065-300-WH Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 5 page Features ■ Superior circuit protection ■ Overcurrent and overvoltage protection ■ Blocks surges up to rated limits ■ High-speed performance ■ Small SMT package ■ RoHS compliant* ■ Agency listing: Applications ■ Ethernet ports ■ Protection modules and dongles ■ Process control equipment ■ Test and measurement equipment ■ General electronics TBU-DT Series - TBU® High-Speed Protectors *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. General Information The TBU-DT Series of Bourns® TBU® (Transient Blocking Unit) products are very low capacitance dual unidirectional high-speed surge protection components designed to protect against faults caused by short circuits, AC power cross, induction and lightning surges. The TBU-DT series is a unidirectional TBU® device; the TBU® protector will trip in less than 1 μs when the current reaches the maximum value in one direction only, that is when Pin 1 is positive in voltage with respect to Pin 2, and Pin 4 is positive with respect to Pin 3. No current limiting exists in the opposite polarity, and the TBU® device appears as resis- tive in nature. The reverse current should not exceed the maximum trigger current level of the TBU® device. An external diode may be used to prevent reverse current in DC biased applications. The TBU® protector blocks surges and provides an effective barrier behind which sensitive electronics will not be exposed to large voltages or currents during surge events. After the surge, the TBU® device resets when the voltage across the TBU® device falls to the Vreset level. The TBU® device will automatically reset on lines which have no DC bias or have DC bias below Vreset (such as unpowered signal lines). The TBU® device is provided in a surface mount DFN package and meets industry standard requirements such as RoHS and Pb Free solder reflow profiles. Agency Listing Description UL File Number: E315805 Absolute Maximum Ratings (@ TA = 25 °C Unless Otherwise Noted) Symbol Parameter Part Number Value Unit Vimp Peak impulse voltage withstand with duration less than 10 ms TBU-DT065-xxx-WH TBU-DT085-xxx-WH 650 850 V Vrms Continuous A.C. RMS voltage TBU-DT065-xxx-WH TBU-DT085-xxx-WH 300 425 V Top Operating temperature range -40 to +125 °C Tstg Storage temperature range -65 to +150 °C Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted) Symbol Parameter Part Number Min. Typ. Max. Unit Itrigger Current required for the device to go from operating state to protected state TBU-DTxxx-100-WH TBU-DTxxx-200-WH TBU-DTxxx-300-WH TBU-DTxxx-500-WH 100 200 300 500 150 300 450 750 200 400 600 1000 mA Rdevice Series resistance of the TBU® device Vimp = 650 V Itrigger (min.) = 100 mA Vimp = 650 V Itrigger (min.) = 200 mA Vimp = 650 V Itrigger (min.) = 300 mA Vimp = 650 V Itrigger (min.) = 500 mA Vimp = 850 V Itrigger (min.) = 100 mA Vimp = 850 V Itrigger (min.) = 200 mA Vimp = 850 V Itrigger (min.) = 300 mA Vimp = 850 V Itrigger (min.) = 500 mA TBU-DT065-100-WH TBU-DT065-200-WH TBU-DT065-300-WH TBU-DT065-500-WH TBU-DT085-100-WH TBU-DT085-200-WH TBU-DT085-300-WH TBU-DT085-500-WH 8.5 5.6 4.6 4.0 10.3 7.4 6.5 5.8 10.0 6.6 5.6 4.8 12.1 8.7 7.7 6.9 Ω Rmatch Package resistance matching of the TBU® device #1 - TBU® device #2 -0.5 +0.5 Ω tblock Time for the device to go from normal operating state to protected state 1 µs IQ Current through the triggered TBU® device with 50 Vdc circuit voltage 0.25 0.50 1.00 mA Vreset Voltage below which the triggered TBU® device will transition to normal operating state 10 14 18 V Rth(j-l) Junction to package pads - FR4 using recommended pad layout 116 °C/W Rth(j-l) Junction to package pads - FR4 using heat sink on board (6 cm2) 96 °C/W TBU® Device Line Side 12 Load Side Line Side 43 Load Side T855 0074 |
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