SPD9211B 1-line, bi-directional, thyristor surge suppressors descriptions the SPD9211B is a bi-directional tss (thyristor surge suppressors). it is specif ically designed to protect telephones, fax machines, communication connections, modems, video lines and so on. the SPD9211B is used to enable equipment to meet various regulatory requirements including iec 61000-4-5, gr-1089-core, itu-t k.20, k.21 and k.45, iec 60950, ul 60950, and tia-968. the SPD9211B is available in smb package. standard products are pb-free and halogen-free. features ? reverse stand-off voltage: 6.0v max ? excellent capability of absorbing transient surge ? quick response to surge voltage ? eliminate voltage overshoo t caused by fast-rising transients ? low capacitance: c j = 55pf typ. ? low leakage current: ? solid-state silicon technology, non degenerative applications ? audio/video line ? network and telecom ? data lines and security systems ? serial ports smb (do-214aa) 9211 & aa = device code y = year code (a~z) w = week code (a~z) marking (top view) order information device package shipping SPD9211B-2/tr smb 3000/tape&reel 1 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
absolute maximum ratings electrical characteristics (t a =25 o c, unless otherwise noted) definitions of electrical characteristics parameter symbol rating unit non-repetitive peak pulse current 8/20 s (iec 61000-4-5, 1.2/50 s voltage wave shape) 10/700 s (itu-t k.20/21/45, k.44 10/700 s voltage wave shape) 10/1000 s (gr-1089-core, 10/1000 s voltage wave shape) i pp v pp i pp 300 2000 50 a v a operation junction temperature t j -40~150 o c storage temperature t stg -55~150 o c lead temperature t l 260 o c junction to ambient thermal resistance r ja 90 o c /w parameter symbol condition min. typ. max. unit peak off-state voltage v drm 6 v peak off-state current i drm v drm = 6v 1 a breakdown voltage v br i br = 0.5ma 6.2 v holding current i h 30 50 ma on-state current i t 2.2 a on-state voltage v t i t = 2.2a 4 v junction capacitance c j v r = 2v, f = 1mhz 55 pf SPD9211B 2 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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