bi direction esd protection diode RSB27K2 l applications l dimensions (unit : mm) l land size figure (unit : mm) esd protection l features 1)small mold type. (umd4) 2)high reliability. 3)bi direction. l construction silicon epitaxial planer l structure l absolute maximum ratings (ta=25 ? c) symbol unit pd tj ? c tstg ? c (*) total two elements l electrical characteristics (ta=25 ? c) symbol min. typ. max. unit conditions zener voltage v z 26.2 - 32.0 v i z =1ma reverse current i r - - 0.1 v r =24v ct - - 30 pf v r =0v , f=1mhz * zener voltage (vz) shall be measured at 40ms after loading current. rating of per diode parameter junction capacitance storage temperature - 55 to + 150 l taping dimensions (unit : mm) parameter limits power dissipation (*) 200 junction temperature 150 umd4 rohm : umd4 jeita : sc - 82 jedec : sot - 343 dot (year week factory) 1pin mark each lead has same dimension 1/4 2011.10 - rev.a data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved. 0.7 0.9min. 0.05 1.3 0.6 1.6 s s s s 0.1 0.05 ???\v ?m 2 (3) (2) s 0.65 0.65 (4) (1) s s 0.7 0.1min >|
RSB27K2 0.001 0.01 0.1 1 10 25 26 27 28 29 30 31 32 33 34 35 ta= - 25 c ta=125 c ta=75 c ta=25 c zener current:iz(ma) zener voltage:vz(v) vz - iz characteristics(1) apply voltage 0.001 0.01 0.1 1 10 25 26 27 28 29 30 31 32 33 34 35 ta= - 25 c ta=125 c ta=75 c ta=25 c zener current:iz(ma) zener voltage:vz(v) vz - iz characteristics(2) apply voltage 0.001 0.01 0.1 1 10 100 0 5 10 15 20 25 ta=125 c ta=25 c ta=75 c reverse current:i r (na) reverse voltage v r (v) v r - i r characteristics(1) apply voltage 0.01 0.1 1 10 100 1000 0 5 10 15 20 25 ta=125 c ta=25 c ta=75 c reverse current:i r (na) reverse voltage v r (v) v r - i r characteristics(2) apply voltage 1 10 100 0 1 2 3 4 capacitance between terminals:ct(pf) reverse voltage:v r (v) v r - ct characteristics(1) f=1mhz apply voltage 1 10 100 0 1 2 3 4 capacitance between terminals:ct(pf) reverse voltage:v r (v) v r - ct characteristics(2) f=1mhz apply voltage 2/4 2011.10 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
RSB27K2 30.0 30.1 30.2 30.3 30.4 30.5 30.6 30.7 30.8 30.9 31.0 zener voltage:vz( ) ta=25 c i z =1ma n=30pcs ave:30.25v vz dispersion map ave:30.58v apply voltage apply voltage 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 reverse current:i r (na) ta=25 c v r =24v n=30pcs ave:0.74na i r dispersion map ave:0.97na apply voltage apply voltage 8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 9 capacitance betweenterminals:ct(pf) ta=25 c f=1mhz v r =0v n=10pcs ct dispersion map ave 8.52pf ave 8.53pf apply voltage apply voltage 10 100 1000 0.1 1 10 dynamic impedance:zz( ) zener current(ma) zz - iz characteristics(1) apply voltage 10 100 1000 0.1 1 10 dynamic impedance:zz( ) zener current(ma) zz - iz characteristics(2) apply voltage 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 transient thermal impedance rth ( c /w) rth(j - a) rth(j - c) on glass - epoxy substrate time(s) rth - t characteristics 3/4 2011.10 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
RSB27K2 0 5 10 15 20 25 30 ave:28.9kv no break at 30kv c=200pf r=0 c=150pf r=330 c=100pf r=1.5k ave 6.0kv electrostatic discharge test esd [kv] esd dispersion map(1) apply voltage 0 5 10 15 20 25 30 no break at 30kv c=200pf r=0 c=150pf r=330 c=100pf r=1.5k ave 9.0kv electrostatic discharge test esd [kv] esd dispersion map(2) apply voltage 4/4 2011.10 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
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