? semiconductor components industries, llc, 2005 august, 2005 ? rev. 1 1 publication order number: smf5.0at1/d smf5.0at1 series zener transient voltage suppressor sod?123 flat lead package the smf5.0a series is designed to protect voltage sensitive components from high voltage, high energy transients. excellent clamping capability, high surge capability, low zener impedance and fast response time. because of its sm all size, it is ideal for use in cellular phones, portable devices, business machines, power supplies and many other industrial/consumer applications. features ? stand?off voltage: 5 ? 170 volts ? peak power ? 200 watts @ 1 ms (smf5.0a ? smf58a) ? 175 watts @ 1 ms (smf60a ? smf170a) ? maximum clamp voltage @ peak pulse current ? low leakage ? response time is typically < 1 ns ? esd rating of class 3 (> 16 kv) per human body model iec61000?4?2 level 4 esd protection iec61000?4?4 40 a esd protection ? low profile ? maximum height of 1.0 mm ? small footprint ? footprint area of 8.45 mm 2 ? supplied in 8 mm tape and reel ? 3,000 units per reel ? cathode indicated by polarity band ? lead orientation in tape: cathode lead to sprocket holes ? pb?free packages are available mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic epoxy meets ul 94 v?0 lead finish: 100% matte sn (tin) mounting position: any qualified max reflow temperature: 260 c device meets msl 1 requirements plastic surface mount zener overvoltage transient suppressor 5 ? 170 volts 200 watt peak power device package shipping ? ordering information smfxxxat1 sod?123fl 3000/tape & ree l 12 1: cathode 2: anode http://onsemi.com sod?123fl case 498 plastic marking diagram 1 cathode 2 anode see specific marking information in the device marking column of the electrical characteristics table on page 3 o f this data sheet. device marking information smfxxxat1g sod?123fl (pb?free) 3000/tape & ree l ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specification s brochure, brd8011/d. xx = device code (refer to page 3) m = date code = pb?free package (note: microdot may be in either location) xx m
uni?directional tvs i pp i f v i i r i t v rwm v c v br v f smf5.0at1 series http://onsemi.com 2 maximum ratings rating symbol value unit maximum p pk dissipation (pw?10/1000 s) (note 1) smf60a ? smf170a p pk 175 w maximum p pk dissipation (pw?10/1000 s) (note 1) smf5.0a ? smf58a p pk 200 w maximum p pk dissipation @ t a = 25 c, (pw?8/20 s) (note 2) p pk 1000 w dc power dissipation @ t a = 25 c (note 3) derate above 25 c thermal resistance, junction?to?ambient (note 3) p d r ja 385 4.0 325 mw mw/ c c/w thermal resistance, junction?to?lead (note 3) r jcathode 26 c/w operating and storage temperature range t j , t stg ?55 to +150 c maximum ratings are those values beyond which device damage can occur. maximum ratings applied to the device are individual str ess limit values (not normal operating conditions) and are not valid simultaneously. if these limits are exceeded, device functional operation i s not implied, damage may occur and reliability may be affected. 1. non?repetitive current pulse at t a = 25 c, per waveform of figure 2. 2. non?repetitive current pulse at t a = 25 c, per waveform of figure 3. 3. mounted with recommended minimum pad size, dc board fr?4. electrical characteristics (t a = 25 c unless otherwise noted, v f = 3.5 v max. @ i f (note 4) = 12 a) symbol parameter i pp maximum reverse peak pulse current v c clamping voltage @ i pp v rwm working peak reverse voltage i r maximum reverse leakage current @ v rwm v br breakdown voltage @ i t i t test current i f forward current v f forward voltage @ i f 4. 1/2 sine wave (or equivalent square wave), pw = 8.3 ms, duty cycle = 4 pulses per minute maximum.
smf5.0at1 series http://onsemi.com 3 electrical characteristics (t l = 30 c unless otherwise noted, v f = 1.25 volts @ 200 ma) device* marking v rwm (v) v br @ i t (v) (note 6) i t i r @ v rwm v c(max) i pp(max) (a) (note 5) min nom max (ma) ( a) (v) (note 7) smf5.0a, g ke 5 6.4 6.7 7 10 400 9.2 21.7 smf6.0a, g kg 6 6.67 7.02 7.37 10 400 10.3 19.4 smf6.5a, g kk 6.5 7.22 7.6 7.98 10 250 11.2 17.9 smf7.0a, g km 7 7.78 8.2 8.6 10 100 12 16.7 smf7.5a, g kp 7.5 8.33 8.77 9.21 1 50 12.9 15.5 smf8.0a, g kr 8 8.89 9.36 9.83 1 25 13.6 14.7 smf8.5a, g kt 8.5 9.44 9.92 10.4 1 10 14.4 13.9 smf9.0a, g kv 9 10 10.55 11.1 1 5 15.4 13.0 smf10a, g kx 10 11.1 11.7 12.3 1 2.5 17 11.8 smf11a, g kz 11 12.2 12.85 13.5 1 2.5 18.2 11.0 smf12a, g le 12 13.3 14 14.7 1 2.5 19.9 10.1 smf13a, g lg 13 14.4 15.15 15.9 1 1 21.5 9.3 smf14a, g lk 14 15.6 16.4 17.2 1 1 23.2 8.6 smf15a, g lm 15 16.7 17.6 18.5 1 1 24.4 8.2 smf16a, g lp 16 17.8 18.75 19.7 1 1 26 7.7 smf17a, g lr 17 18.9 19.9 20.9 1 1 27.6 7.2 smf18a, g lt 18 20 21 22.1 1 1 29.2 6.8 smf20a, g lv 20 22.2 23.35 24.5 1 1 32.4 6.2 smf22a, g lx 22 24.4 25.6 26.9 1 1 35.5 5.6 smf24a, g lz 24 26.7 28.1 29.5 1 1 38.9 5.1 smf26a, g me 26 28.9 30.4 31.9 1 1 42.1 4.8 smf28a, g mg 28 31.1 32.8 34.4 1 1 45.4 4.4 smf30a, g mk 30 33.3 35.1 36.8 1 1 48.4 4.1 SMF33A, g mm 33 36.7 38.7 40.6 1 1 53.3 3.8 smf36a, g mp 36 40 42.1 44.2 1 1 58.1 3.4 smf40a, g mr 40 44.4 46.8 49.1 1 1 64.5 3.1 smf43a, g mt 43 47.8 50.3 52.8 1 1 69.4 2.9 smf45a, g mv 45 50 52.65 55.3 1 1 72.7 2.8 smf48a, g mx 48 53.3 56.1 58.9 1 1 77.4 2.6 smf51a, g mz 51 56.7 59.7 62.7 1 1 82.4 2.4 smf54a, g ne 54 60 63.15 66.3 1 1 87.1 2.3 smf58a, g ng 58 64.4 67.8 71.2 1 1 93.6 2.1 smf60a, g nk 60 66.7 70.2 73.7 1 1 96.8 1.8 smf64a, g nm 64 71.1 74.85 78.6 1 1 103 1.7 smf70a, g np 70 77.8 81.9 86 1 1 113 1.5 smf75a, g nr 75 83.3 87.7 92.1 1 1 121 1.4 smf78a, g nt 78 86.7 91.25 95.8 1 1 126 1.4 smf85a, g nv 85 94.4 99.2 104 1 1 137 1.3 smf90a, g nx 90 100 105.5 111 1 1 146 1.2 smf100a, g nz 100 111 117 123 1 1 162 1.1 smf110a, g pe 110 122 128.5 135 1 1 177 1.0 smf120a, g pg 120 133 140 147 1 1 193 0.9 smf130a, g pk 130 144 151.5 159 1 1 209 0.8 smf150a, g pm 150 167 176 185 1 1 243 0.7 smf160a, g pp 160 178 187.5 197 1 1 259 0.7 smf170a, g pr 170 189 199 209 1 1 275 0.6 5. a transient suppressor is normally selected according to the working peak reverse voltage (v rwm ) which should be equal to or greater than the dc or continuous peak operating voltage level. 6. v br measured at pulse test current i t at ambient temperature of 25 c. 7. surge current waveform per figure 2 and derate per figure 3. *the ?g?? suffix indicates pb?free package available.
smf5.0at1 series http://onsemi.com 4 t p , pulse width ( s) 100 1000 10,000 1.0 10 100 10 01234 0 50 100 t, time (ms) value (%) half value ? i rsm 2 peak value ? i rsm t r typical protection circuit v in v l z in load t p pulse width (t p ) is defined as that point where the peak current decays to 50% of i rsm . figure 1. pulse rating curve figure 2. 10 x 1000 s pulse waveform 1000 10,000 figure 3. 8 x 20 s pulse waveform p p , peak power (watts) t r 10 s 100 80 60 40 20 0 0 25 50 75 100 125 15 0 t a , ambient temperature ( c) 120 140 160 figure 4. pulse derating curve peak pulse derating in % of peak power or current @ t a = 25 c 100 90 80 70 60 50 40 30 20 10 0 020406080 t, time ( s) % of peak pulse current t p t r pulse width (t p ) is defined as that point where the peak current decay = 8 s peak value i rsm @ 8 s half value i rsm /2 @ 20 s
smf5.0at1 series http://onsemi.com 5 1.2 1.0 0.8 0.6 0.4 0.2 0 ?55 25 85 150 t, temperature ( c) v , typical forward voltage (volts) f 25 50 75 100 125 175 2.5 2 1.5 1 0 t, temperature ( c) p , maximum power dissipation (w) d 0.5 t l 150 3 1000 100 1 1 10 1000 working peak reverse voltage (volts) c, capacitance (pf) measured @ 50% v rwm measured @ zero bias figure 5. typical derating factor for duty cycle derating factor 1 ms 10 s 1 0.7 0.5 0.3 0.05 0.1 0.2 0.01 0.02 0.03 0.07 100 s 0.1 0.2 0.5 2 5 10 50 1 20 100 d, duty cycle (%) pulse width 10 ms figure 6. steady state power derating figure 7. forward voltage figure 8. capacitance versus working peak reverse voltage 10 100
smf5.0at1 series http://onsemi.com 6 package dimensions sod?123fl case 498?01 issue a notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. 3. dimensions a and b do not include mold flash. 4. dimensions d and j are to be measured on flat section of the lead: between 0.10 and 0.25 mm from the lead tip. d e b a a1 l c polarity indicator optional as needed h e dim a min nom max min millimeters 0.90 0.95 1.00 0.035 inches a1 0.00 0.05 0.10 0.000 b 0.70 0.90 1.10 0.028 c 0.10 0.15 0.20 0.004 d 1.50 1.65 1.80 0.059 e 2.50 2.70 2.90 0.098 l 0.55 0.75 0.95 0.022 0.037 0.039 0.002 0.004 0.035 0.043 0.006 0.008 0.065 0.071 0.106 0.114 0.030 0.037 nom max 3.40 3.60 3.80 0.134 0.142 0.150 h e ? ? 0 8 0 8 mm inches 0.91 0.036 1.22 0.048 2.36 0.093 4.19 0.165 *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800?282?9855 toll free usa/canada japan : on semiconductor, japan customer focus center 2?9?1 kamimeguro, meguro?ku, tokyo, japan 153?0051 phone : 81?3?5773?3850 smf5.0at1/d literature fulfillment : literature distribution center for on semiconductor p.o. box 61312, phoenix, arizona 85082?1312 usa phone : 480?829?7710 or 800?344?3860 toll free usa/canada fax : 480?829?7709 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : http://onsemi.com order literature : http://www.onsemi.com/litorder for additional information, please contact your local sales representative.
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