three phase 25 amp rectifier bridges www. microsemi . com scottsdale division 483-01, 483-02, and 483-03 483-01, 483-02, 483-03 description appearance this series of high-current three-phase bridge rectifiers are constructed with hermetically sealed rectifiers with the same design and construction as used in military applications for the utmost in relia bility. they can also be optionally obtained with formal military screened diodes that have been subjected to 100% screening and military qualified to mil-prf- 19500/483 that are ideal for high-reliability applications where a failure cannot be tolerated. these industry-recognized 25 amp rated rectifier bridges with working peak reverse voltage selections for 200, 400, and 600 volts for each leg use diodes that are hermetically sealed with voidless-glass construction using an internal ?category i? metallurgical bond. microsemi also offers numerous other rectifier products to meet higher and lower current ratings with various recovery time speed requirements including fast and ultrafast device types in both through-hole and surface mount packages. important: for the most current data, consult microsemi?s website: http://www.microsemi.com features applications / benefits ? voidless hermetically sealed glass packages used internally for each leg ? triple-layer passivation ? internal ? category i? metallurgical bonds ? jantx available per mil-prf-19500/483 ? controlled avalanche characteristics ? surge ratings of 150 amps ? conversion of three phase ac to dc current flow ? working peak reverse voltages 200 to 600 v ? military and other high-reliability applications ? high forward surge current capability ? low thermal resistance ? extremely robust construction ? inherently radiation hard as described in microsemi micronote 050 maximum ratings mechanical and packaging ? junction temperature: -65 o c to +175 o c ? storage temperature: -65 o c to +150 o c ? maximum avg output current: 25 amps @ t c = 55 c and 18.5 amps @ t c = 100 c. derate @ 144 ma / o c between 55 c and 100 c. derate @ 370 ma/ o c above 100 c. ? non-repetitive forward surge current (8.3 ms half sine): 150 amps @ t c = 55 c ? solder temperatures (terminals): 260 o c for 10 s (maximum) ? case: epoxy filled case with hermetically sealed void-less hard glass rectifiers with tungsten slugs ? terminals: nickel plated brass with optional hot tin-lead solder dip ? marking: part number on one side of case ? polarity: marked on body adjacent to terminals (see terminal polarity marking on last page) ? weight: 32 grams ? see package dimensions on last page electrical characteristics maximum reverse current per leg i r @ v rwm t c = 25 c t c = 100 c forward voltage v f @ 30.0 a (pk) @ 8.3 ms duty cycle 2% reverse recovery t rr note 3 type minimum breakdown voltage per leg v br @50 a volts working peak reverse voltage v rwm volts average rectified current i o1 @ t c =+55 o c note 1 amps average rectified current i o2 @ t c =+100 o c note 2 amps a a volts s 483-01 220 200 25 6 1 200 1.3 2.5 483-02 440 400 25 6 1 200 1.3 2.5 483-03 660 600 25 6 1 200 1.3 2.5 note 1: rated at t c = 55oc with reference to metal case. derate linearly at 144 ma/oc between t c = 55oc and t c = 100oc note 2: derate linearly at 370 ma/oc above t c = 100oc. note 3: i f = 0.5 a, i rm = 1.0 a, i r(rec) = .250 a note 4: point at which t c is referenced shall be in metal part of case as shown in drawing on last page. microsemi scottsdale division page 1 copyright ? 2009 11-10-09 rev c; 483-1.pdf 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
three phase 25 amp rectifier bridges www. microsemi . com scottsdale division 483-01, 483-02, and 483-03 483-01, 483-02, 483-03 symbols & definitions symbol definition v br minimum breakdown voltage: the minimum voltage the device will exhibit at a specified current. v rwm working peak reverse voltage: the maximum peak voltage that can be app lied over the operating temperature range excluding all transient voltages (re f jesd282-b). also sometimes known as piv. i o average rectified output current: t he output current averaged over a full cycle with a 50 hz or 60 hz sine- wave input and a 180 degree conduction angle. v f maximum forward voltage: the maximum forward volt age the device will exhibit at a specified current. i r maximum reverse current: the maximum reverse (leakage) current that will flow at the specified voltage and temperature. t rr reverse recovery time: the time interval betwe en the instant the current passes through zero when changing from the forward direction to the reverse di rection and a specified decay point after a peak reverse current occurs. graphs figure 1 microsemi scottsdale division page 2 copyright ? 2009 11-10-09 rev c; 483-1.pdf 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
three phase 25 amp rectifier bridges microsemi scottsdale division 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503 page 3 www. microsemi . com scottsdale division 483-01, 483-02, and 483-03 483-01, 483-02, 483-03 package dimensions copyright ? 2009 11-10-09 rev c; 483-1.pdf
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