* 2 unidirectional transil functions * low leakage current: ir max< 20 a at vbr * 300w peak pulse power(8/20 s) * high esd protection level: up to 25 kv * complies with the following standards: iec61000-4-2 level 4 mil std 883c - method 3015-6 class 3(human body model) * computers * printers * communication systems * it is particulary recommended for the rs232 i/o port protection where the line interface withstands only with 2kv esd surges. * the esdaxx is a dual monolithic voltage suppressor designed to protect components which are connected to data and transmission lines against esd. it clamps the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients. it can also work as bidirectionnal suppressor by connecting only pin1 and 2. * case : molded epoxy * marking : marking code * weight : 0.008 grams(approx) features: description: mechanical data: application: dual transil array for esd protection lea d( p b)- f r ee p b esdaxx series weitron http://ww w .weitron.com.tw 1/3 26-apr-07 sot-23 1 2 3 sot-23 outline dimensions unit:mm dim a b c d e g h j k l m min 0.35 1.19 2.10 0.85 0.46 1.70 2.70 0.01 0.89 0.30 0.076 max 0.51 1.40 3.00 1.05 1.00 2.10 3.10 0.13 1.10 0.61 0.25 a b d e g m l h j top view k c electrostatic discharge 300 w a tts 5.3/6.1/14.2/25 v o l ts bidi r ectional configuration eqivalent circuit diagram:
maximum ratings(t a =25?c unless otherwise noted) characteristic symbol value unit p pp 300 260(10s) w c operating temperature range lead soldering temperature peak pulse power dissipation (t p = 8/20 s) t op t l -40 to +125 junction temperature range t j 150 c t stg -55 to +150 c c storage temperature range v pp 25 16 9 kv electrostatic discharge milstd 833c-method 3015-6 iec61000-4-2 air discharge iec61000-4-2 contactair discharge weitron http://ww w .weitron.com.tw esdaxx series 2/3 26-apr-07 electrical characteristics v br v f r d t c min. max. i r v rm i rm max. i f typ (1) max (2) typ. 0v bias part numbers v v ma v a v ma m 10 -4 /c pf 5.3 5.9 1 3 2 1.25 200 280 5 220 6.1 7.2 1 5.25 20 1.25 200 350 6 140 14.2 15.8 1 12 5 1.25 200 650 10 90 25 30 1 24 1 1.2 10 1000 10 50 ESDA5V3 esda6v1 esda14v2 esda25 1. square pulse ipp=15a, tp=2.5s. 2. ?v br =at*(t amb -25c) * v br (25c). electrical parameter symbol parameter v rm stand-off voltage v br breakdown voltage v cl clamping voltage i rm leakage current i pp peak pulse current t voltage temperature coefficient v f forward voltage drop c capacitance r d dynamic resistance
weitron http://ww w .weitron.com.tw 3/3 esdaxx series 26-apr-07 fig.2 peak pulse power vs exponential pulse duration(t j =25c) fig.4 capacitance vs reverse applied voltage fig.3 clamping voltage vs peak pulse current (t j =25c, rectangular waveform, tp=2.5s) fig.6 peak forward voltage drop vs peak forward current fig.5 relative varation of leakage current vs versus junction temperature typical characteristics fig.1 peak power dissipation vs initial junction temperature 0 25 50 75 100 125 150 1.1 1.0 0.9 0.8 0.7 0.6 0 0.5 0.4 0.3 0.2 0.1 0 10 100 3000 1000 100 0 t j initial(oc) t j (oc) vcl(v) v r (v) tp(s) ppp(w) p pp (tj initial)/p pp (tj initial=25oc) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 50.0 10.0 1.0 0.1 1 2 5 10 20 50 200 100 50 20 0 c(pf) i pp (a) tp=2.5s f=1mhz vosc=30mv ESDA5V3 esda6v1 esda14v2 esda25 ESDA5V3 esda6v1 esda14v2 esda25 v fm (v) i fm (a) 25 50 75 100 125 200 100 10 1 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 5.0 1.0 0.1 0.01 i r (tj) / i r (tj=25oc) t j =25oc ESDA5V3 esda6v1~esda14v2 esda25 ESDA5V3 esda6v1 esda14v2 esda25
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