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STPR2420CT
ULTRA FAST RECOVERY RECTIFIER DIODES
STPR2420CTJuly 1999 - Ed: 2B
ULTRA-FAST RECOVERY RECTIFIER DIODES
MAIN PRODUCTS CHARACTERISTICSLow cost dual center tap rectifier suited for Switch
Mode Power Supply and high frequency DC to DC
converters.
Packaged in TO-220AB, this device is intended for
use in low voltage, high frequency inverters, free
wheeling and polarity protection applications.
SUITED FOR SMPS
LOW LOSSES
LOW FORWARD AND REVERSE RECOVERY
TIME
HIGH SURGE CURRENT CAPABILITY
HIGH AVALANCHE ENERGY CAPABILITY
FEATURES1/5
Pulse test : * tp = 5 ms, δ < 2 %
** tp = 380 μs, δ < 2 %
To evaluate the conduction losses use the following equation :
P = 0.78 x IF(AV) + 0.0175 x IF2 (RMS)
STATIC ELECTRICAL CHARACTERISTICS
RECOVERY CHARACTERISTICSWhen the diodes 1 and 2 are used simultaneously : Δ Tj(diode 1) = P(diode 1) x Rth(j-c) (Per diode) + P(diode 2) x Rth(c)
THERMAL RESISTANCES
STPR2420CT2/5
Fig. 3: Average current versus ambient
temperature.
Fig. 4: Non repetitive surge peak forward currentversus overload duration (maximum values).
Fig. 6: Forward voltage drop versus forward
current.
Fig. 5: Relative variation of thermal transient
impedance junction to case versus pulse duration.
Fig. 2: Peak current versus form factor (per diode).Fig. 1: Average forward power dissipation versusaverage forward current (per diode).
STPR2420CT3/5
Fig. 9: Peak reverse current versus dIF/dt (per
diode).
Fig. 10: Dynamic parameters versus junctiontemperature (per diode).
Fig. 7: Junction capacitance versus reversevoltage applied (typical values, per diode).
Fig. 8: Recovery charge versus dIF/dt (per diode).
STPR2420CT4/5
PACKAGE MECHANICAL DATATO-220AB
. consequences of
use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to
change without notice. This publication supersedes and replaces all information previously supplied.
STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap-
proval of STMicroelectronics.
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© 1999 STMicroelectronics - Printed in Italy - All rights reserved.
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STPR2420CT5/5
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