RCA TRANSISTOR MANUAL chine-tool controls; welding and electroplating equipment; dc-blocking service; magnetic amplifiers, and a wide variety of other heavy-duty applications. These types are designed to meet stringent environmental and mechanical specifications. The special copper-alloy mounting stud can withstand an installing torque up to 50 inch-pounds. JEDEC No. DO-5 package; outline 3, Outlines Section. Type 1N1197 is used principally for renewal purposes; it is similar to type 1N1197A except for some slightly lower ratings, and ean be directly replaced by type 1N1197A. Type 1N1197A. is identical with type 1N1198A except for the following items: MAXIMUM RATINGS For power-supply frequency of 60 eps, single- phase operation, with resistive or inductive load 500 max volts RMS SUPPLY VOLTAGE. 355 max volts DC BLOCKING VOLTAGE, 500 max volts CHARACTERISTICS Maximum Reverse Current: Dynamic occ eee eee een eee eee een eer eteeenee 2.2 ma * Average value for one complete cycle at maximum peak reverse voltage, maximum average forward amperes, and case temperature = 150C, SILICON RECTIFIERS 1 Nil 9 7R Hermetically sealed types for use at peak reverse voltages up to 500 a 1 Nil 9 7R A volts. They are used in generator-type power supplies in mobile equipment; dc-to-de converters and battery charg- A ers; power supplies for aircraft, marine, and missile equipment; transmitters, rf generators, and de-motor power supplies; machine-tool controls; welding and electroplating equipment; dc-blocking service; magnetic amplifiers, and a wide variety of other heavy-duty applications. These types are reverse-polarity versions of types 1N1197 and 1N1197A, respectively. JEDEC No. DO-5 package; outline 3, Outlines Section. SILICON RECTIFIERS 1 N11 98 Hermetically sealed 20-ampere types for use at peak reverse voltages 1 Ni 1 9 8 A up to 600 volts. They are used in gener- Me. ator-type power supplies in mobile ; equipment; dc-to-de converters and K battery chargers; power supplies for aircraft, marine, and missile equipment; transmitters, rf generators, and de-motor power supplies; machine-tool controls; welding and electroplating equipment; dce- blocking service; magnetic amplifiers, and a wide variety of other heavy-duty applications. These types are designed to meet stringent environmental and mechanical specifications. The special copper-alloy mounting stud can withstand an installing torque up to 50 inch-pounds. JEDEC No. DO-5 package; outline 3, Outlines Section. Type 1N1i198 is used principally for renewal purposes; it is similar to type 1N1198A except for some slightly lower ratings, and can be directly replaced by type 1N1iL98A. 94TECHNICAL DATA MAXIMUM RATINGS For power-supply frequency of 60 eps, single- phase operation, with resistive or inductive load PEAK REVERSH VOLTAGH.......- 600 max volts RMS SUPPLY VOLTAGE.... vee . . . 424 max volts DC BLOCKING VOLTAGE..... 000 cece cee eect eee ennee eee 600 max volts AVERAGE FORWARD CURRENT: At case temperature of 150C At other case temperatures 20 max amperes See Rating Chart I PEAK RECURRENT CURRENT. ....25 cece ener ee eee eee ee center eer eeee 90 max amperes SURGE CURRENT:* For one-half cycle, sine wave.......eeee beet eeeeeee dee ences ence 350 max amperes For one or more cycles... ...0e.. eee pence ee de enoeee so eeee ae eaee See Rating Chart IT CASE-TEMPERATURE RANGE: Operating and storage... . 21. .sseeeeee beeen eee aneene Senne eeee eee 65 to 175 C * Superimposed on device operating within maximum voltage, current, and temperature ratings; may be repeated after sufficient time has elapsed for the device to return to the presurge thermal-equilib- rium conditions. RATING CHARY I tree inigsa | | |_ LOAD: RESISTIVE OR INDUCTIVE Ta) a uw a = a a [- B SINGLE PHASE, = = THREE PHASE HEAT~ SINK COOLING CHART 2 40- 1X PHASE TYPE_INIISBA ul NATURAL COOLING, 2 30 == SINGLE PHASE | F . ec eee | 4 RECTIFIER STUD- 2 2| Se TNT | ae ae ON . Te Sy -4+. HEAT SINK: 1716 "= THIC! 3 40 [ESSA ig NN SPBeM WITH MAYS 2 p< ira N N%, | BLACK SURFACE, x SV bas <<. THERMAL zo - = N\ NY Noe, emissivitysog = 100 120 140+ 160 180 = CN CASE TEMPERATURE ~C. 2 aN IN 92$-10746T! ao rN \ = 20 3 > oe \ \ he NOt \ pray < NAM, & 18--Si0 nS RATING CHART IC z N wy PN \ 3 TYPE INII98A = 3 SUPPLY FREQUENCY =60 CPS SINE WAVE 2 NM pa CASE TEMPERATURE =I50C 10 td LOAD: RESISTIVE OR INDUCTIVE =a N\ o. | RMS SUPPLY VOLTAGE = MAXiMUM-RATED VALUE = o AVERAGE FORWARD CURRENT=MAXIMUM-RATED| 400)" VALUE \ iu 5 2300 N 8 NX a 20 # 200 | 50 oo 150, 200 = | AMBIENT TEMPERATURE-C 2 100 v 920N~10741T & - = 0 i 2 $ 6810 2 4 6 8100 SURGE=CURRENT DURATION- CYCLES 92CS~10909T} CHARACTERISTICS Maximum Forward Voltage Dropt..... ee cess cece reese csenennecs sees 0.6 volt Maximum Reverse Current: Dynamicf.......... wetereeee ae cece ete eeaeee wees etenee sec aeeee 1.5 ma { Average value for one complete cycle at maximum peak reverse voltage, maximum average forward current, and case temperature = 150C. 95