? semiconductor components industries, llc, 2004 february, 2004 ? rev. 1 1 publication order number: 1smf16b/d 1SMF16BT1, 1smf16bt3, 1smf16bt3g zener transient voltage suppressor sod-123 flat lead package the 1smf16b 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 small size, it is ideal for use in cellular phones, portable devices, business machines, power supplies and many other industrial/consumer applications. specification features: ? stand?off voltage: 16 volt ? peak power ? 175 watts @ 1 ms ? maximum clamp voltage @ peak pulse current ? low leakage ? response time is typically < 1 ns ? iec61000?4?2 level 4 esd protection ? low profile ? maximum height of 1.0 mm ? small footprint ? cathode indicated by polarity band ? pb?free package is available mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic lead finish: 100% matte sn (tin) mounting position: any qualified max reflow temperature: 260 c device meets msl 1 requirements epoxy meets ul 94, v?0 plastic surface mount zener overvoltage transient suppressor 175 watt peak power device package shipping 2 ordering information sod?123fl case 498 plastic 12 1: cathode 2: anode marking diagram 1 cathode 2 anode 1SMF16BT1 sod?123fl 3,000/tape & reel http://onsemi.com 1smf16bt3 sod?123fl 10,000/tape & reel mlu d mlu = specific device code d = date code 1smf16bt3g sod?123fl (pb?free) 10,000/tape & reel 2for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specifications brochure, brd8011/d.
uni?directional tvs i pp i f v i i r i t v rwm v c v br v f 1SMF16BT1, 1smf16bt3, 1smf16bt3g http://onsemi.com 2 maximum ratings rating symbol value unit maximum p pk dissipation @ t a = 25 c, (pw?10/1000 s) (note 1) p pk 175 w maximum p pk dissipation @ t a = 25 c, (pw?8/20 s) (note 2) p pk 1000 w operating and storage temperature range t j , t stg ?55 to +150 c 1. non?repetitive current pulse at t a = 25 c, per waveform of figure 3. 2. non?repetitive current pulse at t a = 25 c, per waveform of figure 4. electrical characteristics (t a = 25 c unless otherwise noted) 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 electrical characteristics (t l = 30 c unless otherwise noted, v f = 1.3 volts @ 850 ma) v rwm (note 3) v br @ i t (v) (note 4) i t i r @ v rwm max v c @ i pp = 1 amp max v c @ i pp = 7 amp device marking (v) min nom max (ma) ( a) (v) (v) 1smf16b mlu 16 16.7 17.6 18.5 1.0 1.0 20 26 3. 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. 4. v br measured at pulse test current i t at ambient temperature of 25 c. figure 1. typical protection circuit v in v l z in load
1SMF16BT1, 1smf16bt3, 1smf16bt3g http://onsemi.com 3 p , peak power (watts) p 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 t r 10 s peak pulse derating in % of peak power or current @ t a = 25 c 100 80 60 40 20 0 0 25 50 75 100 125 150 t a , ambient temperature ( c) 120 140 160 t p pulse width (t p ) is defined as that point where the peak current decays to 50% of i rsm . 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 1000 10,000 figure 2. pulse rating curve figure 3. 10 x 1000 s pulse waveform figure 4. 8 x 20 s pulse waveform figure 5. pulse derating curve figure 6. 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 7. capacitance versus reverse voltage capacitance (pf) 300 250 200 50 100 150 0 2 4 8 10 14 61216 reverse voltage (v)
1SMF16BT1, 1smf16bt3, 1smf16bt3g http://onsemi.com 4 package dimensions sod?123fl case 498?01 issue o 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. a b k d c h e l j l dim min max min max inches millimeters a 1.50 1.80 0.059 0.071 b 2.50 2.90 0.098 0.114 c 0.90 1.00 0.039 d 0.70 1.10 0.028 0.043 e 0.55 0.95 0.022 0.037 h 0.00 0.10 0.000 0.004 j 0.10 0.20 0.004 0.008 k 3.40 3.80 0.134 0.150 l 0 8 0 8 polarity indicator optional as needed 0.035 *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* 1.22 0.048 sod?123 0.91 0.036 2.36 0.093 4.19 0.165 mm inches scale 10:1 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. atypicalo 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 atypicalso 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 officers, employees, subsidiaries, af filiates, 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 1smf16b/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303?675?2175 or 800?344?3860 toll free usa/canada fax : 303?675?2176 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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