rectifier specialists r features * glass passivated junction * 400 watts peak pulse power capability on 10/1000 ms waveform * excellent clamping capability * low inductance * fast response time mechanical data * case: molded plastic * epoxy: ul 94v-0 rate flame retardant * lead: mil-std-202e, method 208 guaranteed * polarity: color band denotes positive end (cathode) except bidirectional types * mounting position: any * weight: 0. 06 4 gram smafj5.0a thru smafj170a technical specifications of transient voltage suppressor voltage range - 5.0 to 170volts peak pulae power - 400 watts dimensions in inches and (millimeters) peak pulse power dissipation on 10/1000 ms waveform(note1,fig.1) steady state power dissipation at ta = 25oclead lengths .375"(9.5mm) (note 2) peak forward surge current, 8.3ms single half sine-wave superimposed on rated load(jedec method) (note 3) operating and storage temperature range symbol pppm p m(av) ifsm tj , tstg value 400 1.0 40 -55 to + 150 units watts watts oc amps notes : 1. non-repetitive current pulse, per fig.3 and derated above ta = 25 o c per fig. 2. 2. mounted on copper leaf area of 0.2 x 0.2"( 5.0 x 5.0mm ) per fig. 5 3. 8.3ms single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. devices for bipolar applications dc components co., ltd. maximum ratings and electrical characteristics o ratings at 25 c ambient temperature unless otherwise specified. single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. smafl .043(1.1).035(0.9) .007(0.2).003(0.1) .192(4.9).173(4.4) .145(3.7).129(3.3) .106(2.7).094(2.4) .062(1.6).051(1.3) .047(1.2).031(0.8) www.dccomponents.com 1 rev-1, dec,2015
r dc components co., ltd. rating and characteristic curves ( smafj5.0a thru smafj170a ) peak pulse power (ppp) or current (ipp ) derating in percentage, % 0 ta , ambient temperature, (oc) fig. 2 - pulse derating curve 0 25 50 75 100 25 50 75 100 125 150 175 200 fig. 3 - pulse waveform ippm , peak pulse current, % tr = 10 msec. pulse width (td) is definedas the point where the peak current decays to 50% of i ppm peak value i ppm half value - ippm 210/1000 m sec. waveform as defined by r.e.a. td 0 0 50 100 150 1.0 2.0 3.0 4.0 t, time, ms 10 100 500 1000 measured at zero bias cj , capacitance, pf fig. 4 - typical junction capacitance f = 1.0 mhzvsig = 50mvp-p t j = 25oc measured at stand off voltage, v wm 1.0 10 100 200 v(br) , breakdown voltage, volts 10 20 30 40 50 60 fig. 5 - maximum non-repetitive forward surge current unidirectional ifsm , peak forward surge current amperes 8.3ms single half sine-wave (jedec method) number of cycles at 60 hz 1 10 100 0 fig. 1 peak pulse power rating curve 0.1 1.0 10 100 0.1ms 1.0ms 10ms 100ms 1.0ms 10ms ppm, peak pulse power, kw t p, pulse width, sec non-repetitive pulse waveform shown in fig.3t a = 25oc www.dccomponents.com 2 rev-1,dec,2015
r dc components co., ltd. smafj5.0a 5.0 6.4 7.0 10 200 9.2 21.7 smafj6.0a 6.0 6.7 7.4 10 100 10.3 19.4 smafj6.5a 6.5 7.2 8.0 10 75 11.2 17.9 smafj7.0a 7.0 7.8 8.6 10 50 12.0 16.7 smafj7.5a 7.5 8.3 9.2 1 50 12.9 15.5 smafj8.0a 8.0 8.9 9.8 1 25 13.6 14.7 smafj8.5a 8.5 9.4 10.4 1 10 14.4 13.9 smafj9.0a 9.0 10.0 11.5 1 5 15.4 13.0 smafj10a 10 11.1 12.3 1 5 17.0 11.8 smafj11a 11 12.2 13.5 1 1 18.2 11.0 smafj12a 12 13.3 14.7 1 1 19.9 10.1 smafj13a 13 14.4 15.9 1 1 21.5 9.3 smafj14a 14 15.6 17.2 1 1 23.2 8.6 smafj15a 15 16.7 18.5 1 1 24.4 8.2 smafj16a 16 17.8 19.7 1 1 26.0 7.7 smafj17a 17 18.9 20.9 1 1 27.6 7.2 smafj18a 18 20.0 22.1 1 1 29.2 6.8 smafj20a 20 22.2 24.5 1 1 32.4 6.2 smafj22a 22 24.4 26.9 1 1 35.5 5.6 smafj24a 24 26.7 29.5 1 1 38.9 5.1 smafj26a 26 28.9 31.9 1 1 42.1 4.8 smafj28a 28 31.1 34.4 1 1 45.4 4.4 smafj30a 30 33.3 36.8 1 1 48.4 4.1 smafj33a 33 36.7 40.6 1 1 53.3 3.8 smafj36a 36 40.0 44.2 1 1 58.1 3.4 smafj40a 40 44.4 49.1 1 1 64.5 3.1 smafj43a 43 47.8 52.8 1 1 69.4 2.9 smafj45a 45 50.0 55.3 1 1 72.7 2.8 smafj48a 48 53.3 58.9 1 1 77.4 2.6 smafj51a 51 56.7 62.7 1 1 82.4 2.4 smafj54a 54 60.0 66.3 1 1 87.1 2.3 smafj58a 58 64.4 71.2 1 1 93.6 2.1 smafj60a 60 66.7 73.7 1 1 96.8 1.8 smafj64a 64 71.1 78.6 1 1 103 1.7 smafj70a 70 77.8 86.0 1 1 113 1.5 smafj75a 75 83.3 92.1 1 1 121 1.4 smafj78a 78 86.7 95.8 1 1 126 1.4 smafj85a 85 94.4 104 1 1 137 1.3 smafj90a 90 100 111 1 1 146 1.2 smafj100a 100 111 123 1 1 162 1.1 smafj 110a 110 122 135 1 1 177 1.0 smafj120a 120 133 147 1 1 193 0.9 smafj130a 130 144 159 1 1 209 0.8 smafj150a 150 167 185 1 1 243 0.7 smafj160a 160 178 197 1 1 259 0.7 smafj170a 170 189 209 1 1 275 0.6 smafj (400w) series transient voltage suppressors reverse stand-off voltage breakdown voltage @ it test current it v rwm maximum reverse leakage @ v rwm maximum clamping voltage @ ipp maximum peak pulse current vbr v min. max. v v ma ma i r v c ipp v a type www.dccomponents.com 3 rev-1, dec,2015
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