sac5.0 thru sa50 page: 1 frontier electronics corp. 667 e. cochran street, simi valley, ca 93065 tel: (805) 522-9998 fax: (805) 522-9989 e-mail: frontiersales@frontierusa.com web: http://www.frontierusa.com low capacitance 500w transient voltage suppressors sac5.0 thru sa50 features z ul 94v0 flame retardant epoxy molding compond z diffused junction z low cost z low junction capacitance mechanical data z case: molded plastic, case: do15, dimensions in inches and (millimeters) z terminals: axial leads solderable per mil-std- 202, method 208 z polarity: color band denotes cathode end z mounting position: any z weight: 0.4 grams absolute maximum rating characteristics symbol conditions t.v.s. diode units storage temperature range t stg -40 ~ 150 -40 ~ 150 junction temperature t j 150 150 peak surge reverse power p rsm non-repetitive 10/1000 s 500 - w electrical characteristics (unless otherwise stated t c =25 c) characteristics symbol conditions t.v.s. diode units leakage current i r v r =v rm max. 5.0 max. 5.0 a reverse recovery time trr if/ir=0.1a/0.3a - max. 500 ns maximum junction capacitance at 0 voltage cj 20 pf storage temperature range t stg - 55 to + 150 operating temperature range t op - 55 to + 150 note : equivalent circuit figure 1 --ac line protection application application note : devices must be us ed with two units in parallel, opposite in polarity as shown in circuit for ac signal line protection low capacitance tvs + + in out t.v.s. diode .140(3.6) .104(2.6) .034(0.9) .028(0.7) .300(7.6) .230(5.8) 1.0(25.4) min 1.0(25.4) min
sac5.0 thru sa50 page: 2 sac series electrical characteristics @ 25 o c device stand-off voltage v wm (volts) min. breakdown voltage at it=1.0 ma v(vr) (volts) max. reverse leakage at v rwm i d ir( a) max. clamping voltage at ipp=5.0a vc (volts) max peak pulse current ipp (amps) inverse blocking leakage current at v wib i ib (ma) working inverse blocking voltage v wib (volts) max junction capacita nce at 0 volts (pf) peak inverse blocking voltage v pib (volts) sac5.0 sac6.0 sac7.0 sac8.0 sac8.5 sac10 sac12 sac15 sac18 sac22 sac26 sac30 sac36 sac45 sac50 5.0 6.0 7.0 8.0 8.5 10 12 15 18 22 26 30 36 45 50 7.60 7.90 8.33 8.89 9.44 11.10 13.30 16.70 20.00 24.40 28.90 33.30 40.00 50.00 55.50 300 300 300 100 50 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 10.0 11.2 12.6 13.4 14.0 16.3 19.0 23.6 28.8 35.4 42.3 48.6 60.0 77.0 88.0 44 41 38 36 34 29 25 20 15 14 11.1 10.0 8.6 6.8 5.8 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 75 75 75 75 75 75 75 75 75 75 75 75 75 150 150 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 note1: the sac series is a low capacitan ce silicon transient voltage suppressor for da ta or signal lines. it is designed for commercial and industrial applications. this series offers pricing, size, and capac itance advantages. this series employs a standard tvs in series with a rectifier which reduces the effective capacitance up through 70mhz with a minimum amount of signal loss or deformation. if bidirectional transient protection capability is required, two low capacitance tvs must be used in parallel, opposite in polarity for complete ac protection. note2: the sac series of low capacita nce silicon transient voltage suppressors, rated at 400 watts, provides board level protection for data or signal lines form the damaging effect s of electrostatic discharge( esd), and electromagnetic pluse (emp).it will clamp the inductive overshoot voltage caused by very fast impulse rise times. the low capacitance assures minimum signal attenuation. note3 a tvs is normally selected according to the reverse " stand off voltage" (v r ) which should be equal to or greater than the dc or continuous peak operating voltage level
sac5.0 thru sa50 page: 3 ratings and characteristic curves sac5.0 thru sac50 fig. 1 - peak pulse power rating curve 100 10 1.0 0.1 p ppm, peak pulse power,kw non-repetitive pulse waveform shown in fig. 3 t a =25 0.1 us 1.0 us 10 us 100 us 1.0 ms 10 ms td, pulse width, sec fig. 2 - pulse derating curve 100 75 50 25 0 peak pulse power (p pp ) or current (i pp ) derating in percentage,% 0 25 50 75 100 125 150 175 200 ta, ambient temperature, fig. 5 - maximum non-repetitive peak forward surge current unidirectional only 50 40 30 20 10 0 i fsm peak forward surge current amperes 1 10 100 number of cycles at 60h z 8.3ms single half sine-wave (jedec method) t j =t j max. fig. 4 - typical reverse leakage characteristics i d. instantaneous reverse leakagge current, microamperes 100 10 1 0.1 0.01 0 100 200 300 400 500 measured at devices stand-off voltage,v wm t a =25 v (br), breakdown voltage, volts 150 100 50 0 fig. 3 - pulse waveform i ppm , peak pulse current, % 0 1.0 2.0 3.0 4.0 t, time, ms pulse width (td) is defined as the point where the peak current decays to 50% of i pp 10/1000usec. waveform as defined by r.e.a. half value ipp 2 peak value i ppm tr =10usec. td
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