R5020218 POWEREX | Alldatasheet
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R503__ 18 aS Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 Rectifier
175 Amperes Average
1400 Volts
él ZY Zw Z E DIA, rth Pri WARKING ee * LTT Ete essnsea = {_U. 175 Amperes Average, 1400 Volts CASE HUMBER ASO STRIKE DISTANCE = 64 INCH / 16.2 MM MK NOMINAL DIMENSIONS CREEPAGE DISTANCE 64 INCH / 16.2 MMI pays teptoretryretaytiy ey] Ear arote ae eerie sees ALL DIMENSIONS ARE REFERENCE Features: . F502__18/R503__18 (Outline Drawing) 1 Fast Recovery Times
1 Soft Recovery Characteristics
0 Standard and Reverse
‘Flag Lead and Stud Top Ordering Information: ; ; Terminals Available Select the complete part number you desire from the following table: C1 High Surge Current Ratings VRRM Flav) OO Special Electrical Selection for te (ons) Code (A) _ Cote | (usee) Cade Case Cote Parallel and Series Operation R502 200 02 175 4 15° FS DO-8 WA . . (Standard 400 04 8 o Glazed Ceramic Seal Gives Polarity) | 600 06 High Voltage Creepage and 800 08 Strike Paths R503 1000 10 (Reverse 1200 12 Applications: Polarity) 1400 14 | O Inverters Example: Type R502 rated at 175A average with Var = 1400V, (1 Choppers Recovery Time = 1.5 usec and standard flexible lead, order as: j _Twe [__votage | curent [Time Leads O) Transmitters Rts fofet+ [spt te Ts Tw] A Free whesting Diode c.7
a Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 R502__18/R503__18 Fast Recovery Rectifier
175 Amperes Average, 1400 Volts
Characteristics Symbol R502__18/R503__18 Units RMS Forward Current 'e(rms) 275 ‘Amperes Average Forward Current evav) 175 ‘Amperes One-half Cycle Surge Current leSM 3500 ‘Amperes (2t (for Fusing), Times = 8.3 milliseconds rt 51000 ‘A2sec Storage Temperature Totg -40 to +190 °C Operating Temperature tT -40 to +150 °C Mounting Torque (Lubricated) 120 in-Ib Electrical and Thermal Characteristics Characteristics Symbol Test Conditions R502__18/R503__18 Units Current - Conducting State Maximums Forward Voltage Drop VEM T; = 25°C, Ie = 470A 1.65 Volts Voltage - Blocking State Maximums Repetitive Peak Reverse Voltage (Rated Limit) VaRM 1400 Volts Non-rep. Trans. Peak Rev. Voltage (Rated Limit) Vagm V <5.0msec 1600 Volts Reverse Leakage Current, mA peak IRRM T, at max., VaRM = Rated 45 mA Switching Maximum Reverse Recovery Time tr TEM = S144, tp = 40H500, TS psec dip/dt = 25A/usec, To = 25°C Thermal Maximum Resistance, Junction to Case Re(i-c) 0.28 °c Matt Maximum Resistance, Case to Sink (Lubricated) Reic.s) 0.12 °C Matt F-8
a Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 R502__18/R503__18 Fast Recovery Rectifier Reverse Recovery Wave Form Typical Ratio of Current Recovery to Rate of Current Fall eS SS SS: SS SS SS S| SS Se ae os ss 8 eee o = ES ee , ; CSS or oo . | ‘a a é i : SB | “a anes! Soe —— ees tia 2 Fee eS dt c es ee ee tutetts fr a “Pts Iman 8 Cee Ones (AGT ) x esas \\ PTT TEU Tit dismecs = Vamnecr ss PLT TT PTT oy 10 100 1000 Rate of Current Fall, din/dt, A/us. Typical Reverse Recovery Charge Vs. Rate of Current Turn Off Typical Reverse Recovery Time Vs. Rate of Current Fall 1 reer 8 8 ~— coy —oomess ~ eA r PZ & ESN Foe 7) gE Sa
6 ER Se ESS eee
3 ea : EBSSSssi SSS aes a SSE SE | SS SSS Sete eS aetti == ae = SS SSE EES SSS arin SHE: [| i [ 2 SSS 4 0 "3 two | ‘0 705 tro Rate of Current Fall, dix/dt, A/us Rate of Current Fall, di«/dt, A/us
a Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (412) 925-7272 F502__18/R503__18 Fast Recovery Rectifier Forward Current Vs. Forward Voltage Drop Transient Thermal Impedance Vs. Time Pa = ee
3 FRR SERRE THEA ie
8 FEE 8. eee FE rey pyres 8 TTT TT errr 2 eT er = AU eer TTT 7 oS EH *, at 20) t
51000 SS 36 “eee
bled = ss===s==5255=0-2 sees ee 2222222 SEEEEee ett meet ee ee EY ee martn met = EREEREE Er eee 2 EE
2 FRR ee § ea
5 ‘A 3 OEE oT eo Fed 25555257 2 05cc2cscazscersssezeetsriseris 2 ES
2 Fe ee E
& AHA {GERD ROSSES SS EESSRERESSSREESEEEES fe a COCO Eee pee HUTENEUEUUERRRNUOOOUUENNOUUUUURRNNUOUED 2 ERT "0 1 7 3 * 5 BCom oot or 7 ’ 5 Z Forward Voltage Drop, V+™, Volts Time, t, Seconds Energy Loss Per Pulse for Sinusoidal Pulses Calculation of Fast Recovery Diodes YO pe EE SS SSS and Allowable Case Temperature Frso0/a- ett ienas ease a0 en p a eat 1, Gonduction rowses
8 SSS Sa eH i
3 Pee tee pet eo 2. Reverse Recovery Losses (Approximate) 8 (Cee ee ee dine Tx (1! 2 > 1 Payiow) = 1/4 X Vax Sax Ti x (28,)* Fx 1x10: 0 ee Sea Gok 3. Maximum Alopable Case Temperature
3 SS ae Tomax) = Tj ~ (Pavicond) + Pavisw) X Ray-c))
pt a s0ce eH Where: Aa ETH t= 150° FAH i Boke Payeow) = Forward Conduction Power Loss in Watts 5 100 1000 70,000 Paysw) = Reverse Recovery Power Loss in Watts Pulse Width, usec ‘ JP = Energy Loss per Pulse in Joules " F = Frequency in Hertz Va = Steady State Reverse Operating Voltage in Volts dip/dt = Rate of Decay of Forward Current in Amperes/isec Tr = Reverse Recovery Time in Microseconds Po = Ratio of Recovery di/dt; (est) i F = Operating Frequency in Hertz Tomax) = Maximum Allowable Case Temperature in °C. Ty = Maximum Operating Junction Temperature ' ine. Reg) = DC Junction to Case Thermal Impedance in °C/Watt. a