? semiconductor components industries, llc, 2011 september, 2011 ? rev. 0 1 publication order number: nsa5.0af/d nsa5.0aft3g 400 watt peak power zener transient voltage suppressor unidirectional the nsa5.0aft3g is designed to protect voltage sensitive components from high voltage, high energy transients. it has excellent clamping capability, high surge capability, low zener impedance and a fast response time. the nsa5.0aft3g is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. features ? peak power ? 400 w @ 1 ms ? esd rating of class 3 (> 16 kv) per human body model ? esd rating iec 61000 ? 4 ? 2 (> 30 kv) ? response time is typically < 1 ns ? flat handling surface for accurate placement ? package design for top slide or bottom circuit board mounting ? low profile package ? this is a pb ? free device mechanical characteristics: case: void-free, transfer-molded plastic finish: all external surfaces are corrosion resistant and leads are readily solderable maximum case temperature for soldering purposes: 260 c for 10 seconds polarity: cathode indicated by molded polarity notch or polarity band mounting position: any plastic surface mount zener overvoltage transient suppressor 400 w peak power device package shipping ? ordering information nsa5.0aft3g sma ? fl case 403aa marking diagram cathode anode http://onsemi.com sma ? fl (pb ? free) 5000/tape & reel ?for 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. see specific marking information in the device marking column of the electrical characteristics table on page 2 of this data sheet. device marking information 4aa ayww 4aa = device code a = assembly location y = year ww = work week = pb ? free package
nsa5.0aft3g http://onsemi.com 2 maximum ratings rating symbol value unit peak power dissipation (note 1) @ t l = 25 c, pulse width = 1 ms p pk 400 w dc power dissipation @ t l = 75 c measured zero lead length (note 2) derate above 75 c thermal resistance from junction to lead p d r jl 1.5 20 50 w mw/ c c/w dc power dissipation (note 3) @ t a = 25 c derate above 25 c thermal resistance from junction to ambient p d r ja 0.5 4.0 250 w mw/ c c/w forward surge current (note 4) @ t a = 25 c i fsm 40 a operating and storage temperature range t j , t stg ? 65 to +150 c stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. 10 x 1000 s, non ? repetitive. 2. 1 square copper pad, fr ? 4 board. 3. fr ? 4 board, using on semiconductor minimum recommended footprint, as shown in 403aa case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), pw = 8.3 ms, duty cycle = 4 pulses per minute maximum. 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 uni ? directional tvs i pp i f v i i r i t v rwm v c v br v f electrical characteristics device device marking v rwm (note 5) i r @ v rwm breakdown voltage v c @ i pp (note 7) c typ. (note 8) v f @ i f (note 9) v br (volts) (note 6) @ i t v c i pp max volts a min nom max ma volts amps pf v nsa5.0aft3g qa 5.0 400 6.4 6.7 7.0 10 9.2 43.5 2450 3.5 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 an ambient temperature of 25 c. 7. surge current waveform per figure 2 and derate per figure 3. 8. bias voltage = 0 v, f = 1.0 mhz, t j = 25 c. 9. 1/2 sine wave or equivalent, pw = 8.3 ms, non ? repetitive, i f = 30 a.
nsa5.0aft3g http://onsemi.com 3 rating and typical characteristic curves t a = 25 c pw (i d ) is defined as the point where the peak current decays to 50% of i pp . 10 s peak value i ppm half value - i pp /2 10/1000 s waveform as defined by r.e.a. t d 120 100 80 60 40 0 01 2 3 4 i ppm , peak pulse current (%) 20 5 10 -4 100 0.1 1 10 10 1 0.1 t p , pulse width (ms) p pk nonrepetitive pulse waveform shown in figure 2. t a = 25 c , peak power (kw) 0.01 0.001 t, time (ms) 120 100 80 60 40 0 0 40 80 120 160 t a , ambient temperature ( c) peak pulse derating in % of 20 200 peak power or current 10 x 1000 waveform as defined by r.e.a. 10,000 1,000 100 1 1 10 100 bias voltage (volts) nsa5.0af t j = 25 c f = 1 mhz 0 6 t, temperature ( c) 50 100 150 p d , maximum power dissipation (watts) 5 4 3 2 0 1 figure 1. pulse rating curve figure 2. pulse waveform figure 3. pulse derating curve figure 4. typical junction capacitance vs. bias voltage figure 5. steady state power derating c, capacitance (pf) @ t l = 75 c p d = 1.5 w @ t a = 25 c p d = 0.5 w 25 75 125 10
nsa5.0aft3g http://onsemi.com 4 package dimensions sma ? fl case 403aa ? 01 issue o d e b l c solder footprint* dimensions: millimeters 5.56 1.76 *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. 1.30 recommended notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. dim min max millimeters a 0.90 1.10 b 1.25 1.65 c 0.15 0.30 d 2.40 2.80 top view e1 bottom view 2x 2x side view a c seating plane e 4.80 5.40 e1 4.00 4.60 l 0.70 1.10 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, 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 europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5773 ? 3850 nsa5.0af/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 : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
|
