1 publication order number: ns6a5.0af/d ns6a5.0aft3g, szns6a5.0aft3g series 500 watt peak power zener transient voltage suppressors unidirectional the ns6axxaft3g series is designed to protect voltage sensitive components from high voltage, high energy transients. this device has excellent clamping capability, high surge capability, low zener impedance and fast response time. the ns6axxaft3g series is ideally suited for use in computer hard disk drives, communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. specification features: ? peak reverse working voltage range ? 5 v to 64 v ? peak pulse power of 500 w (10 x 1000 sec) ? esd rating of class 3 (>16 kv) per human body model ? esd rating of class 4 (>8 kv) iec 61000?4?2 ? fast response time ? low profile package ? sz prefix for automotive and other applications requiring unique site and control change requirements; aec?q101 qualified and ppap capable ? these devices are pb?free and are rohs compliant mechanical characteristics: case: void-free, transfer-molded, thermosetting plastic finish: all external surfaces are corrosion resistant and leads are readily solderable maximum case temperature for soldering purposes: 260 c for 10 seconds leads: modified l?bend providing more contact area to bond pads polarity: cathode indicated by polarity band mounting position: any plastic surface mount zener overvoltage transient suppressors device package shipping ordering information cathode anode littelfuse.com ns6axxaft3g, szns6axxaft3g sma?fl (pb?free) 5000 / tape & reel xxx = specific device code a = assembly location y = year ww = work week = pb?free package marking diagram sma?fl case 403aa xxx ayww s pecifications subject to change without notice. ? 2016 littelfuse, inc. s eptember 19, 2016 ? rev. 3
uni?directional tvs i pp i f v i i r i t v rwm v c v br v f ns6a5.0aft3g, szns6a5.0aft3g series maximum ratings rating symbol value unit peak power dissipation (note 1) @ t l = 25 c, pulse width = 1 ms p pk 500 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 1. 10 x 1000 s, non?repetitive. 2. 1 in square copper pad, fr?4 board. 3. fr?4 board, using littelfuse minimum recommended footprint, as s hown 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, v f = 3.5 v max. @ i f (note 5) = 30 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 5. 1/2 sine wave (or equivalent square wave), pw = 8.3 ms, non?repetitive duty cycle. 2 publication order number: ns6a5.0af/d specifications subject to change without notice. ? 2016 littelfuse, inc. september 19, 2016 ? rev. 3
ns6a5.0aft3g, szns6a5.0aft3g series electrical characteristics device* device marking v rwm (note 6) i r @ v rwm breakdown voltage v c @ i pp (note 8) c typ (note 9) v br (note 7) volts @ i t v c i pp v a min nom max ma v a pf ns6a5.0aft3g 6aa 5 800 6.4 6.70 7 10 9.2 65.2 2700 ns6a6.0aft3g** 6ab 6 800 6.67 7.02 7.37 10 10.3 58.3 2300 ns6a6.5aft3g** 6ac 6.5 500 7.22 7.60 7.98 10 11.2 53.6 2140 ns6a7.0aft3g** 6ad 7 500 7.78 8.19 8.6 10 12 50 2005 ns6a7.5aft3g** 6ae 7.5 100 8.33 8.77 9.21 1 12.9 46.5 1890 ns6a8.0aft3g** 6af 8 50 8.89 9.36 9.83 1 13.6 44.1 1780 ns6a8.5aft3g 6ag 8.5 10 9.44 9.92 10.4 1 14.4 41.7 1690 ns6a9.0aft3g** 6ah 9 5 10 10.55 11.1 1 15.4 39 1605 ns6a10aft3g** 6ai 10 5 11.1 11.70 12.3 1 17 35.3 1460 ns6a11aft3g** 6al 11 5 12.2 12.85 13.5 1 18.2 33 1345 ns6a12aft3g 6aj 12 5 13.3 14.00 14.7 1 19.9 30.2 1245 ns6a13aft3g 6ak 13 5 14.4 15.15 15.9 1 21.5 27.9 1160 ns6a14aft3g** 6am 14 5 15.6 16.40 17.2 1 23.2 20.5 1085 ns6a15aft3g 6an 15 5 16.7 17.60 18.5 1 24.4 20.0 1020 ns6a16aft3g** 6ao 16 5 17.8 18.75 19.7 1 26 19.5 965 ns6a17aft3g** 6ap 17 5 18.9 19.90 20.9 1 27.6 19.0 915 ns6a18aft3g** 6aq 18 5 20 21.05 22.1 1 29.2 18.5 870 ns6a20aft3g** 6ar 20 5 22.2 23.35 24.5 1 32.4 17.5 790 ns6a22aft3g 6as 22 5 24.4 25.65 26.9 1 35.5 16.5 730 ns6a24aft3g 6at 24 5 26.7 28.10 29.5 1 38.9 15.4 675 ns6a26aft3g** 6au 26 5 28.9 30.40 31.9 1 42.1 14.2 630 ns6a28aft3g 6av 28 5 31.1 32.75 34.4 1 45.4 13.2 590 ns6a30aft3g 6aw 30 5 33.3 35.05 36.8 1 48.4 12.4 555 ns6a33aft3g 6ax 33 5 36.7 38.65 40.6 1 53.3 11.3 510 ns6a36aft3g 6ay 36 5 40 42.10 44.2 1 58.1 10.3 470 ns6a40aft3g** 6az 40 5 44.4 46.75 49.1 1 64.5 9.3 430 ns6a43aft3g** 6a0 43 5 47.8 50.30 52.8 1 69.4 8.6 400 ns6a45aft3g** 6a1 45 5 50 52.65 55.3 1 72.2 8.3 385 ns6a48aft3g** 6a2 48 5 53.3 56.10 58.9 1 77.4 7.7 365 ns6a51aft3g** 6a3 51 5 56.7 59.70 62.7 1 82.4 7.3 345 ns6a54aft3g** 6a4 54 5 60 63.15 66.3 1 87.1 6.9 330 ns6a58aft3g** 6a5 58 5 64.4 67.80 71.2 1 93.6 6.4 310 ns6a60aft3g** 6a7 60 5 66.7 70.20 73.7 1 96.8 6.2 300 ns6a64aft3g 6a8 64 5 71.1 74.85 78.6 1 103 5.8 280 *includes sz?prefix devices where applicable. **in development. contact local sales rep for availability. 6. 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. 7. v br measured at pulse test current i t at an ambient temperature of 25 c. 8. surge current waveform per figure 1. 9. bias voltage = 0 v, f = 1 mhz, t j = 25 c. 3 publication order number: ns6a5.0af/d specifications subject to change without notice. ? 2016 littelfuse, inc. september 19, 2016 ? rev. 3
ns6a5.0aft3g, szns6a5.0aft3g series v in v l z in load 01 2 34 0 50 100 t, time (ms) value (%) half value - i pp 2 peak value - i pp t r 10 s figure 1. 10 1000 s pulse waveform figure 2. pulse derating curve 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 pp . figure 3. typical protection circuit 4 publication order number: ns6a5.0af/d specifications subject to change without notice. ? 2016 littelfuse, inc. s eptember 19, 2016 ? rev. 3
ns6a5.0aft3g, szns6a5.0aft3g series package dimensions sma?fl case 403aa issue o d e b l c recommended solder footprint dimensions: millimeters 5.56 1.76 1.30 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 littelfuse.com 5 publication order number: ns6a5.0af/d specifications subject to change without notice. ? 2016 littelfuse, inc. etee 1, 2016 e. 3 littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-s aving, life-sustaining or nuclear facility applicatio ns, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or prope rty damage) other than those expressly set forth in applicable littelfuse product documentation.? warranties granted by littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicabl e littelfuse documentation.? littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by littelfuse as set forth in applicable littelfuse documentation.? the sale and use of littelfuse p roducts is subject to littelfuse terms and conditions of sale, unless otherwise agreed by littelfuse.
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