, u na.. 20 stern ave. springfield, new jersey 07081 u.s.a. F40A -f50a f60a telephone: (973) 376-2922 (212)227-6005 axial leaded hermetically sealed high voltage fast rectifier diode ? low reverse recovery time ? high thermal shock resistance ? hermetically sealed with metoxilrte metal oxide ? low switching losses ? soft, non-snap off, recovery characteristics quick reference data . vr = 4 - 6kv ? if =0.25a ? trr = 300r>s ? ir = ilia absolute maximum ratings (@ 25c unless otherwise specified) working reverse voltage repetitive reverse voltage average forward current (? 55c in oil) repetitive surge current (? 55c) non-repetitive surge current (tp = 8.3ms, e vr & tjm? ) storage temperature range operating temperature range symbol vrwm vrrm if(av) ifrm ifsm tstg top F40A f50a f60a 4000 5000 6000 4000 5000 6000 characteristics (@ 25c unless otherwise specified) average forward current max. (pcb mounted; ta = 55c) for sine wave for square wave (d = 0.5) average forward current max. (unstirred oil at 55c) for sine wave for square wave i2t for fusing (t = 8.3ms) max. forward voltage drop max. @ if 50ma t' 25 c reverse current max. ? vrwm, tj - 25c *? vrwm/ i j ?? 100 (_ reverse recovery time max. 50ma if to 100ma ir. recover to 25ma irr. junction capacitance typ. @ vr = 5v , f = 1mhz thermal resistance - junction to oil stirred oil unstirred oil thermal resistance - junction to amb. on 0.06" thick pcb. loz copper. symbol if(av) ip(av) lf(av) ip(av) i2t vf ir ir trr q rejo rejo reja F40A f50a f60a 0.12 ?> 0.026 ? ?> 8 n ? -u * ? 10 ? -t in ^ * ? tart > * juu " , -> n * . afl , unit a a a a a^ v ua ns pf c/w c/w c/w fig 1 junction capacitance against reverse voltage. q54 10' q (pf) ice 10" :. iff1 ?? , ^- ? _ ?* ^ ^ ?-*?-. ^^, "-w !=a? , ^=?^ ?^-. ~^~ ~*^~~^ ? -- ^, 10' 10* vt, (volts) 10"
F40A f50a f60a 250 200 if (ma) 100 so o typ@tj- i75c- max@ti-175"c, mtttfii-25-c^ 1 j 0.0 2.0 4.0 \? i ?j i ^4 1 i / . ^ / / 6.0 am boa / 7^ / ^ / / / / / / / / / / / i / / 5.0 4.0 pf (wans) 3.0 2 0 1.0 n \. \b h?. \u ? -9 \ \d s'c/v \ \\ / ^ ^^** ^ v \. u ' hi istirred oil uo - 30*c/\ "" rwo - 18c/w \ -^ k \ "" \ \0 10.0 0 100 200 vf (v) ta ("o fig 2. forward voltage drop as a function of fig 3. power derating in air and oil, forward current. s.o 4.0 pf (wans) 3.0 1 i 1 1 j l / // / ^? a cs4 dm -1.57 1.75 o a 3.u 4.0 pf (watts) 3.0 1 i 1 ' i i / / f a / / / / / ' / f / 2.0 1.0 2.0 10 0 d.1 0.2 0.3 0.4 0.5 if(av) (amps) fig 4. forward power dissipation as a function of forward current, for sinusoidal operation. 0.2 0.3 04 0.5 fig 5. forward power dissipation as a function of forward current, for square wave operation.
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