unisonic technologies co., ltd smbjxxxxx tvs www.unisonic.com.tw 1 of 4 copyright ? 2015 unisonic technologies co., ltd qw-r229-001.b surface mount transient voltage suppressors ? description the utc smbjxxxxx is a surface mount transient voltage supperssors, it uses utc?s advanced technology to provide customers with low leakage and very fast response time, etc. ? features * low leakage and * very fast response time ? symbol smb + - ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 smbjxxxxxl-smb-r SMBJXXXXXG-SMB-R smb k a tape reel note: pin assignment: k: cathode a: anode (1) r: tape reel (2) smb: smb (3) l: lead free, g: halogen free (4) a: 5% uni-directional, ca: 5% bi-directional (5) xxx: refer to electrical characteristics smbjxxxxxl -smb -r (1)packing type (2)package type (3)halogen free (4)category (5)output voltage code ? marking date code voltage code cathode band for uni-directional only utc smbjxxxxx category
smbjxxxxx tvs unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r229-001.b ? absolute maximum rating (t a =25c unless otherwise noted) parameter symbol ratings unit peak power dissipation with a 10/1000 s waveform (note 2) p pp 600 w peak pulse current with a 10/1000 s waveform (note 2) i pp see electrical characteristics table a power dissipation on infinite heatsink at t l = 75c p d 5.0 w peak forward surge current, 8.3 ms single half sine-wave unidirectional only (note 3) i fsm 100 a maximum instantaneous forward voltage at 50 a for unidirectional only (note 4) v f 3.5/5.0 v operating junction temperature t j -55~+150 c storage temperature t stg -55~+150 c notes: 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. 2. non-repetitive current pulse and derated above t a =25c 3. measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum. 4. v f <3.5v for devices of v br <200v and v f <5.0v for devices of v br >201v. ? electrical characteristics (t a =25 c, unless otherwise noted) part number (uni) part number (bi) breakdown voltage v br @ i t maximum reverse leakage i r @ v rwm (a) working peak reverse voltage v rwm (v) maximum reverse surge current i pp (a) maximum clamping voltage v c @ i pp (v) min (v) max (v) i t (ma) smbj5a smbj5ca 6.40 7.00 10 800 5.0 65.22 9.2 smbj6a smbj6ca 6.67 7.37 10 800 6.0 58.25 10.3 smbj6v8a smbj6v8ca 6.46 7. 14 10 1000 5.8 57.14 10.5 smbj12a smbj12ca 11.40 12. 60 1 5 10.2 35.93 16.7 smbj20a smbj20ca 19.00 21. 00 1 1 17.1 21.66 27.7
smbjxxxxx tvs unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r229-001.b ? typical characteristics (t a =25 c, unless otherwise noted) peak pulse derating in percentage of peak power or current (%) peak forward surge current (a) fig 3. steady state power derating curve steady state power dissipation (w) lead temperature, t l ( ) 0.1 fig 4. peak pulse power rating curve peak power (kw) pulse width, t d (s) 10 10000 0 1.0 2.0 4.0 5.0 0 25 125 150 200 50 0.1 1 10 100 75 100 175 3.0 1 100 1000 peak pulse current (% ) junction capacitance, c j (pf)
smbjxxxxx tvs unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r229-001.b utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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