Todays deals on International Rectifier?

INTERNATIONAL RECTIFIER C03-0866 *NICE* $4,000.00

IRFR320 QTY 2K REEL MOSFET N-CH400V 3.1A 3PIN DPAK IRFR320TR INTL RECTIFIER $999.95

8x International Rectifier 78-5144 SCR Brand new! $600.00

INTERNATIONAL RECTIFIER IRPT3054A FNFP IRPT3054A $534.17

Cherokee International SP125-3F-D Custom Rectifier Power Supply 51109456-200 New $365.00

INTERNATIONAL RECTIFIER IRPT2062A FNFP IRPT2062A $296.13

INTERNATIONAL RECTIFIER 15-679167-60 NSPP 1567916760 $273.13

LOT 82 , I R , International Rectifier , Diode Rectifier 1 N 3027A $246.00

International Rectifier high voltage rectifier stack, oil filled $250.00

LOT OF 5PCS IR (INTERNATIONAL RECTIFIER) SCR ST180C12C1 $199.00

INTERNATIONAL RECTIFIER B59RC10M4BH80J105 USPP B59RC10M4BH80J10 $218.50

INTERNATIONAL RECTIFIER TIRFP150FI FNFP TIRFP150FI $213.32

NEW 1PCS IRKT500/14 IRKT50014 IRKT500-14 INTERNATIONAL RECTIFIER $180.00

NEW 1PCS IRKT500/12 IRKT50012 IRKT500-12 INTERNATIONAL RECTIFIER $180.00

INTERNATIONAL RECTIFIER IRFK3F150 FNFP IRFK3F150 $207.00

INTERNATIONAL RECTIFIER AA1250CRH120 NSPP AA1250CRH120 $202.40

INTERNATIONAL RECTIFIER AA1250CRH160 NSPP AA1250CRH160 $202.40

INTERNATIONAL RECTIFIER 300UR120A NSPP 300UR120A $202.40

INTERNATIONAL RECTIFIER IRFK3F350 FNFP IRFK3F350 $188.60

50PCS IRFP140 International Rectifier Power MOSFET NEW m $199.00

INTERNATIONAL RECTIFIER IRKT250-16 NSFP IRKT25016 $175.95

NEW 1PCS IRKT210/12 IRKT21012 IRKT210-12 INTERNATIONAL RECTIFIER $145.00

NEW 1PCS IRKT210/14 IRKT21014 IRKT210-14 INTERNATIONAL RECTIFIER $145.00

NEW 1PCS IRKT210/16 IRKT21016 IRKT210-16 INTERNATIONAL RECTIFIER $145.00

International Rectifier IR Vishay Diode SD600N12PC $189.99

INTERNATIONAL RECTIFIER IRKL250-14D20 NSPP IRKL25014D20 $170.77

INTERNATIONAL RECTIFIER IRKL9116S90P FNFP IRKL9116S90P $170.20

QTY: 316 INTERNATIONAL RECTIFIER IRF7476 $155.00

INTERNATIONAL RECTIFIER 1000PK120 USPP 1000PK120 $150.07

INTERNATIONAL RECTIFIER 501V120 USPP 501V120 $149.50

INTERNATIONAL RECTIFIER 501VR120 USPP 501VR120 $149.50

NEW 1PCS IRKT250/16 IRKT25016 IRKT250-16 INTERNATIONAL RECTIFIER $120.00

NEW 1PCS IRKT250/14 IRKT25014 IRKT250-14 INTERNATIONAL RECTIFIER $120.00

NEW 1PCS IRKT250/12 IRKT25012 IRKT250-12 INTERNATIONAL RECTIFIER $120.00

INTERNATIONAL RECTIFIER W10932-3 USPP W109323 $146.63

INTERNATIONAL RECTIFIER IRKT250-16 USPP IRKT25016 $146.63

International rectifier vishay SCR thyristor 301RC30 $150.00

INTERNATIONAL RECTIFIER 801PDB80B USPP 801PDB80B $143.17

3 NEW INTERNATIONAL RECTIFIER 104X1250A151 SCR $149.00

INTERNATIONAL RECTIFIER 61-6557 NSPP 616557 $136.27

INTERNATIONAL RECTIFIER AA900CRG120 USPP AA900CRG120 $132.25

INTERNATIONAL RECTIFIER SF13X800 NSFP SF13X800 $131.10

NEW 1PCS IR (INTERNATIONAL RECTIFIER) IRKH23016N IRKH230-16N MODULE $110.00

INTERNATIONAL RECTIFIER 143326001 NSPP 143326001 $122.47

INTERNATIONAL RECTIFIER IRKT4106 FNFP IRKT4106 $119.60

NEW LOT OF 10PCS IR (INTERNATIONAL RECTIFIER) 26MB120A $90.00

INTERNATIONAL RECTIFIER IRFK4H350 USPP IRFK4H350 $115.00

INTERNATIONAL RECTIFIER 143318020 NSPP 143318020 $114.42

INTERNATIONAL RECTIFIER 143-124-009 NSPP 143124009 $114.42

NEW LOT OF 2PCS IRKT162/12 IRKT16212 IRKT162-12 INTERNATIONAL RECTIFIER $95.00

INTERNATIONAL RECTIFIER 143326001 USPP 143326001 $111.55

INTERNATIONAL RECTIFIER 158RT250 NSPP 158RT250 $110.97

INTERNATIONAL RECTIFIER 60TB40A USPP 60TB40A $110.97

INTERNATIONAL RECTIFIER 102-062 USPP 102062 $109.82

INTERNATIONAL RECTIFIER 250RA120 USPP 250RA120 $109.82

INTERNATIONAL RECTIFIER 78-5175 USPP 785175 $109.82

INTERNATIONAL RECTIFIER IRKH91-12 FNFP IRKH9112 $109.82

INTERNATIONAL RECTIFIER SF25X200 USPP SF25X200 $109.25

INTERNATIONAL RECTIFIER SF50P600 NSFP SF50P600 $106.95

INTERNATIONAL RECTIFIER 5F08-000-46-00 USPP 5F080004600 $106.37

INTERNATIONAL RECTIFIER ST300S04PO NSPP ST300S04PO $106.37

INTERNATIONAL RECTIFIER IRKT132-14-45 NSPP IRKT1321445 $106.37

INTERNATIONAL RECTIFIER 143318020 USPP 143318020 $104.07

INTERNATIONAL RECTIFIER 251UL160S30 USPP 251UL160S30 $104.07

INTERNATIONAL RECTIFIER 143-124-009 USPP 143124009 $104.07

INTERNATIONAL RECTIFIER 355-590I NSPP 355590I $102.92

INTERNATIONAL RECTIFIER 104X125DA125 NSPP 104X125DA125 $102.35

INTERNATIONAL RECTIFIER IRFK6H450 NSFP IRFK6H450 $102.35

*NEW* International Rectifier IRC IRKD320-12 High current Diode $120.00

INTERNATIONAL RECTIFIER SF50P600 NSPP SF50P600 $98.32

INTERNATIONAL RECTIFIER ST180S12POV NEW ST180S12POV $100.00

INTERNATIONAL RECTIFIER SC36205A02 9728 NEW SC36205A029728 $100.00

INTERNATIONAL RECTIFIER 250RA40 NSPP 250RA40 $93.72

INTERNATIONAL RECTIFIER 300PA60 NSPP 300PA60 $93.72

INTERNATIONAL RECTIFIER 300RA30 NSPP 300RA30 $93.72

INTERNATIONAL RECTIFIER S23A12A NSPP S23A12A $93.72

INTERNATIONAL RECTIFIER 104X125DA125 USPP 104X125DA125 $92.57

NEW INTERNATIONAL RECTIFIER STUD DIODE IRC 150LR50 150A 250VAC $95.00

NEW 1PCS 70MT120KB IR (INTERNATIONAL RECTIFIER) $65.00

NEW LOT OF 5PCS IR (INTERNATIONAL RECTIFIER) 36MB120A MODULE $65.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) IRKT132-14 IRKT13214 IRKT132/14 MODULE $65.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 160MT120K MODULE $65.00

International Rectifier IRF9130 – Lot of 100 Pcs. $100.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) IRFK2D450 MODULE $65.00

INTERNATIONAL RECTIFIER 619411 USPP 619411 $86.82

INTERNATIONAL RECTIFIER IRKD61/14A USPP IRKD6114A $85.10

INTERNATIONAL RECTIFIER IRKT41/14A USPP IRKT4114A $85.10

NEW LOT OF 2PCS IR (INTERNATIONAL RECTIFIER) CPV364M4K MODULE $60.00

INTERNATIONAL RECTIFIER 143-118-054 LOT 143118054 $95.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 70MT160PB MODULE $59.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 51MT160KB MODULE $59.00

NEW 2PCS IRKT91/12 IRKT9112 IRKT91-12 INTERNATIONAL RECTIFIER $59.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 112MT100KB MODULE $59.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 112MT120KB MODULE $59.00

NEW 1PCS IR (INTERNATIONAL RECTIFIER) 112MT160KB MODULE $59.00

INTERNATIONAL RECTIFIER 143324016 USPP 143324016 $83.38

INTERNATIONAL RECTIFIER 38800045 USPP 38800045 $83.38

INTERNATIONAL RECTIFIER C21R09-15 USPP C21R0915 $83.38

INTERNATIONAL RECTIFIER 143-321-014 USPP 143321014 $83.38

INTERNATIONAL RECTIFIER IRKE270-08 USPP IRKE27008 $82.22

International Rectifier Questions

Design Guide for Rectifier Use

Transformer Voltage:  A transformer’s required secondary A.C. voltage varies greatly with the type of rectifier chosen and filter arrangement. Use the formulas below as a guide based on the D.C. voltage you require and the rectifier/filter chosen. All A.C. voltage references are R.M.S. Don’t forget to take into account losses (not included in this guide), especially diode voltage drop. Leave an adequate safety margin for D.C. regulator voltage requirements and minimum operating line voltage.

Transformer Current Ratings: A transformer’s A.C. current rating needs to be recalculated from the D.C. load current. The required current varies with type of rectifier chosen and filter type. Use the formulas below as a guide, shown for common D.C. supplies. Included in the formulas higher peak to peak capacitor charging current in the filter.

Rectifier Selection Notes: When selecting rectifiers remember, average current in a full wave circuit is .5 x I D.C. per diode. In a half wave circuit, average current is equal to I D.C. per diode. A rating at least twice the output current is recommended to cover turn on surge. In full wave circuits, the reverse voltage rating hould be in excess of 1.4 x V A.C. In half wave circuits, the reverse voltage rating should be in excess of 2.8 x V A.C.

Capacitor Selection Notes: When choosing capacitor voltage, allowances should be made for D.C. voltage rise due to transformer regulation. Remember, R.M.S. ripple current in a filter capacitor can be 2 to 3 times D.C. load current. Capacitor life is greatly increased by reducing it’s temperature via less R.M.S. current or reduced ambient temperature.

Three-phase controlled rectifiers have a wide range of applications, from small rectifiers to large High Voltage Direct Current (HVDC) transmission systems. They are used for electro-chemical process, many kinds of motor drives, traction equipment, controlled power supplies, and many other applications.  From the point of view of the commutation process, they can be classified in two important categories:  Line Commutated Controlled Rectifiers (Thyristor Rectifiers), and Force Commutated PWM Rectifiers. 

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