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SGT2900SCT Datasheet(PDF) 1 Page - Littelfuse |
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SGT2900SCT Datasheet(HTML) 1 Page - Littelfuse |
1 / 8 page Silicon Protection Circuits 236 www .littelfuse .com Surface Mount Surgector TM Transient Voltage Suppressors Surgector Thyristors For Telecom Protection ® Designed to suppress lightning and other transients, Surgector suppressors are primarily intended for operation on the telephone line “tip and ring” environment in order to protect telecommunications CPE and COE products in conjunction with the Littelfuse 461 series Telecom Nano2® fuse. These devices provide secondary protection for telecommunication equipment such as telephone, MODEM, line card and other devices subject to damage from transient over voltage events. Surgectors can be an integral part of a Telephone Line Protector Unit, meeting AC Power Cross criteria when used in association with properly selected resistor/ PTC/ fuse combinations such as the Littelfuse 461 series fuse. Littelfuse Surface Mount Surgectors are manufactured using a silicon thyristor technology, offering bidirectional voltage clamping for transients of either polarity from a single chip. The Surgector devices described in this data sheet are manufactured with the DO-214AA low profile case style and are second source equivalent parts to industry “SIDAC” types. Surface Mount Surgector Suppressors are supplied in embossed carrier tape on 330mm (13in) reels. Ordering Information Features • Rated for Telecom Industry Transient Surge Levels: - Telcordia (Bellcore) GR-1089 - ITU CCITT K.20/.21 - FCC PART 68 - UL 60950 • Low Profile Package, Compatible with PCMCIA Cards, UL-94V-0 Listed • Offered in the Most Common VDRM Voltage Types • Low On-State Voltage • Cross to Common Industry Types • High Minimum Holding Current AGENCY APPROVALS: Recognized under the components program of Underwriters Laboratories. AGENCY FILE NUMBERS: UL E135010. Applications • Secondary Protection for: - DSL modem - Set Top Box - Telephone - FAX - Modem - Line Cards - SLIC - TLPU Modules • Alarm Systems • CATV Lines • Cable Modems Symbol PART NUMBER V BO (MAX) ATI BO=800MA I PP(MAX) 10 x 1000 µs Pulse SGT0640SBT SGT0720SBT SGT2300SBT SGT2900SBT SGT3100SBT SGT0640SCT SGT0720SCT SGT1300SCT SGT2300SCT SGT2900SCT SGT3100SCT SGT3500SCT SGT1500SCT B TYPES C TYPES 77 88 260 330 350 77 88 160 260 330 350 400 180 50 50 50 50 50 100 100 100 100 100 100 100 100 (V) (A) I PP(MAX) 2 x 10 µs Pulse (A) 320 320 200 200 200 600 600 600 500 500 500 600 NOTE: T Suffix indicates Tape and Reel. 500 Next Previous |
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