pde-h24-1 controlled avalanche diode h24 features outline drawing transient surge voltage protection. diffused-junction. glass passivated and encapsulated. absolute maximum ratings items type h24f h24h H24J repetitive peak reverse voltage v rrm v 600 800 1000 peak reverse power p rm kw 1( ta = 25 c,pulse duration 20s non-repetitive ) average forward current i f(av) a 1.0 ( single-phase half sine wave 180 conduction lead length = 10mm ) surge(non-repetitive) forward current i fsm a 45( without piv, 10ms conduction, tj max start ) i 2 t limit value i 2 ta 2 s 8( time = 2 ~ 10ms, i = rms value ) operating junction temperature t j c 175 165 storage temperature t stg c -65 ~ +175 notes (1) lead mounting : lead temperature 300 c max. to 3.2mm from body for 5sec. max.. (2) mechanical strength : bending 90 2cyclesor180 1 cycle, tensile 2kg, twist 90 1cycle. characteristics(t l =25c) items symbols units min. typ. max. test conditions peak reverse current i rrm a -- 5 all class, rated v rrm peak forward voltage v fm v -- 1.0 i fm =1.0ap, single-phase half sine wave1cycle reverse recovery time trr m s - 3.0 - i f =2ma, v r =-15v 750 -- 1000 -- avalanche voltage v avl v 1250 -- i rm =1.0ma, single-phase half sine wave 1 pps, time 5s r th(j-a) 80 steady state thermal impedance r th(j-l) c/w -- 50 lead length = 10 mm h unit in mm(inch) weight: 0.35 (g) 5max (0.2) direction of polarity cathode band lot mark 29min. (1.14) 62min. (2.44) 29min. (1.14) (0.14) (0.03) 0.8 f 3.5 max f h24f(600v) blue h24h(800v) gray H24J(1000v) purple type color of cathode band
pde-h24-1 h24 forward characteristics 0123456 0.1 1 10 100 peak forward voltage drop (v) peak forward current (a) tl=175 ?c tl=25 ?c single-phase half sine wave conduction : 10ms 1 cycle max. average forward power dissipation (resistive or inductive load) 0 0.4 0.8 1.2 1.6 0 0.5 1.0 1.5 2.0 average forward current (a) max. average forward power dissipation (w) single-phase ( 50hz ) dc max. allowable ambient temperature (resistive or inductive load) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 120 140 160 180 average forward current (a) max. allowable ambient temperature ( ? c) single-phase half sine wave 180 ? conduction (50hz) pc board (100x180x1.6t) copper foil ( 5.5) l l h24f lead length l=10mm 20mm 25mm max. allowable lead temperature (resistive or inductive load) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 120 140 160 180 average forward current (a) single-phase half sine wave 180 ? conduction (50hz) max. allowable lead temperature ( ?c) lead temp pc board (100x180x1.6t) copper foil ( 5.5) l l h24f lead length l=10mm 20mm 25mm max. allowable ambient temperature (resistive or inductive load) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 120 140 160 180 average forward current (a) max. allowable ambient temperature ( ? c) single-phase half sine wave 180 ? conduction (50hz) pc board (100x180x1.6t) copper foil ( 5.5) l l h24h,H24J lead length l=10mm 20mm 25mm max. allowable lead temperature (resistive or inductive load) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 120 140 160 180 average forward current (a) single-phase half sine wave 180 ? conduction (50hz) max. allowable lead temperature ( ?c) lead temp pc board (100x180x1.6t) copper foil ( 5.5) l l h24h,H24J lead length l=10mm 20mm 25mm
pde-h24-1 h24 surge forward current characteristics (non-repetitive) 1 10 100 0 10 20 30 40 50 cycles surge forward current (a) 10ms 1 cycle surge current peak value h24f : tj=175 ?c start h24h,j : tj=165 ?c start typical reverse power characteristics (non-repetitive) 0.01 0.1 1 10 0.01 0.1 1 10 rectangular pulse duration (ms) peak reverse power (kw) tj=25 ?c transient thermal impedance transient thermal impedance (?c/w) 0.1 1 10 200 100 0.001 0.01 0.1 1 10 100 time (s) rth(j - a) rth(j - l) lead length = 10 mm note : pc. board mounted pc. board( 100 180 1.6t) copper foil ( 5.5 )
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