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TISP4125M3BJR Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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TISP4125M3BJR Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 15 page JUNE 2001 – REVISED FEBRUARY 2005 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. TISP4xxxH3/M3BJ Series for LCAS Protection TISP4125H3BJ/TISP4219H3BJ, TISP4125M3BJ/TISP4219M3BJ LCAS RING AND TIP PROTECTION PAIRS BIDIRECTIONAL THYRISTOR OVERVOLTAGE PROTECTORS Description Customized Voltage for LCAS Protection Battery-Backed Ringing ............................................. 87 V rms Ground-Backed Ringing ........................................... 101 V rms Low Differential Capacitance .................................39 pF max. .................................................... UL Recognized Components Rated for International Surge Wave Shapes These protector pairs have been formulated to limit the peak voltages on the line terminals of the ‘7581/2/3 LCAS (Line Card Access Switches) type devices. An LCAS may also be referred to as a Solid State Relay, SSR, i.e. a replacement of the conventional electro-mechanical relay. Overvoltages are normally caused by a.c. power system or lightning flash disturbances which are induced or conducted on to the telephone line. These overvoltages are initially clipped by protector breakdown clamping until the voltage rises to the breakover level, which causes the device to crowbar into a low-voltage on state. This low-voltage on state causes the current resulting from the overvoltage to be safely diverted through the device. For negative surges, the high crowbar holding current prevents d.c. latchup with the SLIC current, as the surge current subsides. Each protector consists of a symmetrical voltage-triggered bidirectional thyristor. They are guaranteed to voltage limit and withstand the listed international lightning surges in both polarities. How to Order Device Symbol SMBJ Package (Top View) Device VDRM V V(BO) V LCAS TERMINAL ‘4125 100 125 TIP ‘4219 180 219 RING Wave Shape Standard ITSP A H3 SERIES M3 SERIES 2/10 µs GR-1089-CORE 500 300 8/20 µs IEC 61000-4-5 300 220 10/160 µs FCC Part 68 250 120 10/700 µs ITU-T K.20/21/45 200 100 10/560 µs FCC Part 68 160 75 10/1000 µs GR-1089-CORE 100 50 12 T( A) R(B) MDXXBGE T R SD4XAA Terminals T and R correspond to the alternative line designators of A and B *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Device Package Carrier TISP4125H3B J BJ (J-Bend DO-214AA/SMB) Embossed Tape Reeled TISP4125H3B JR TISP4219H3B J TISP4219H3BJR TISP4125M3BJ TISP4125M3BJR TISP4219M3BJ TISP4219M3BJR TISP4125H3B JR-S TISP4219H3BJR-S TISP4125M3BJR-S TISP4219M3BJR-S For Standard Termination Finish Order As For Lead Free Termination Finish Order As |
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