rev. 1.2 november 2012 www.aosmd.com page 1 of 6 AOZ8251 one-line bidirectional tvs diode general description the AOZ8251 is a one-line bidirectional transient voltage suppressor diode designed to protect high speed data lines and voltage sensitive electronics from high transient conditions and esd. this device incorporates one bidirectional tvs diode in an ultra-small 0201 footprint package. it may be used to meet the esd immunity requirements of iec 61000-4-2, level 4 (15 kv air, 15 kv contact discharge). the AOZ8251 comes in an rohs compliant package and is rated over a -40 c to +85 c ambient temperature range. the ultra-small 0.6mm x 0.3 mm x 0.3 mm 0201 footprint package makes the AOZ8251 ideal for applications where pcb space is a premium. the small size and high esd protection makes it ideal for protecting voltage sensitive electronics from high transient conditions and esd. features ? esd protection for high-speed data lines: ? exceeds: iec 61000-4-2 (esd) 30 kv (air), 25 kv (contact) ? human body model (hbm) 25 kv ? small package saves board space ? low capacitance: 8.0 pf ? low clamping voltage ? low operating voltage: 5.0 v ? pb-free device applications ? portable handheld devices ? keypads, data lines, buttons ? notebook computers ? digital cameras ? portable gps ? mp3 players typical application pin configuration signal line 1 2 bidirection protection of single line
AOZ8251 rev. 1.2 november 2012 www.aosmd.com page 2 of 6 ordering information aos green products use reduced levels of halogens, and are also rohs compliant. please visit www.aosmd.com/media/aosgreenpolicy.pdf for additional information. absolute maximum ratings exceeding the absolute maximum ratings may damage the device. notes: 1. iec 61000-4-2 discharge with c discharge = 150 pf, r discharge = 330 ? . 2. human body discharge per mil-std-883, method 3015 c discharge = 100 pf, r discharge = 1.5 k ? . maximum operating conditions the device is not guaranteed to operate beyond the maximum operating conditions. part number ambient temperature range package environmental AOZ8251di-05 -40 c to +85 c dfn 0.6 x 0.3 green product parameter rating vp ? vn 5 v peak pulse current (i pp ), t p = 8/20s 2 a peak pulse power, t p = 8/20s 40 w storage temperature (t s ) -65 c to +150 c esd rating per iec61000-4-2, contact (1) 25 kv esd rating per iec61000-4-2, air (1) 30 kv esd rating per human body model (2) 25 kv parameter rating junction temperature (t j ) -40 c to +125 c
AOZ8251 rev. 1.2 november 2012 www.aosmd.com page 3 of 6 electrical characteristics t a = 25c unless otherwise specified. symbol parameter diagram i pp maximum reverse peak pulse current v cl clamping voltage @ i pp v rwm working peak reverse voltage i r maximum reverse leakage current v br breakdown voltage i f forward current v f forward voltage p pk peak power dissipation c j capacitance @ v r = 0 and f = 1 mhz device device marking v rwm (v) max. v br (v) min. i r (a) max. v f (v) typ. v cl max. c j (pf) typ. i pp = 1 a i pp = 2 a i pp = 5 a AOZ8251di-05 b 5.0 6.0 0.1 1.0 14.00 16.00 19.50 8.0 i i pp i r i t i pp v cl v br v rwm v rwm v br v cl v
AOZ8251 rev. 1.2 november 2012 www.aosmd.com page 4 of 6 typical performance characteristics clamping voltage vs. peak pulse current (t period = 100ns, t r = 1ns) typical variation of c in vs. v r (f = 1mhz, t = 25c) peak pulse current, i pp (a) clamping voltage, v cl (v) insertion loss (s21) vs. frequency 5 0 -5 -10 -15 -20 -25 frequency (mhz) insertion loss (db) 1 10 100 1000 10000 input voltage (v) normalized input capacitance 1.20 1.00 0.80 0.60 0.40 0.20 0 012345 10 15 20 25 30 02468 10 12
AOZ8251 rev. 1.2 november 2012 www.aosmd.com page 5 of 6 package dimensions, df n 0.6x0.3, 2l ep2 s notes: 1. all dimensions are in millimeters. 2. dimensions are inclusive of plating. 3. package body sizes exclude mold flash and gate burrs. mold flash at the non-lead sides should be less than 6mil each. 4. controlling dimension is millimeter. converted inch dimensions are not necessarily exact. 5. paddle exposed on bottom. recommended land pattern d symbols a d d1 d2 d3 d4 d5 e e1 dimensions in millimeters min. 0.27 0.55 0.25 nom. 0.30 0.60 0.165 typ 0.14 typ 0.17 typ 0.14 typ 0.31 typ 0.30 0.20 typ max. 0.33 0.65 0.35 symbols a d d1 d2 d3 d4 d5 e e1 dimensions in inches e d1 d2 d3 d5 d4 e1 a unit: mm 0.017 0.019 0.0215 0.037 0.030 min. 0.0106 0.0216 0.0098 nom. 0.0118 0.0236 0.0065 typ 0.0055 typ 0.0067 typ 0.0055 typ 0.0122 typ 0.0118 0.0079 typ max. 0.0130 0.0256 0.0138
rev. 1.2 november 2012 www.aosmd.com page 6 of 6 AOZ8251 part marking product number code month code year code b AOZ8251di-05 (dfn0.6x0.3) as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support, device, or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. legal disclaimer alpha and omega semiconductor makes no representations or warranties with respect to the accuracy or completeness of the information prov ided herein and takes no liabilities for the consequences of use of such information or any product described herein. alpha and om ega semiconductor reserves the right to make changes to such information at any time without further notice. this document does not constitute the grant of any intellectual property rights or representation of non-infringement of any third party?s intellectual property rights. life support policy alpha and omega semiconductor products ar e not authorized for use as critical components in life support devices or systems.
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