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| (R) STPR2420CT ULTRA-FAST RECOVERY RECTIFIER DIODES MAIN PRODUCTS CHARACTERISTICS A1 IF(AV) VRRM Tj (max) VF (max) trr (max) 2 x 12 A 200 V 150C 0.99 V 30 ns A2 K FEATURES SUITED FOR SMPS LOW LOSSES LOW FORWARD AND REVERSE RECOVERY TIME HIGH SURGE CURRENT CAPABILITY HIGH AVALANCHE ENERGY CAPABILITY Low 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. K A2 A1 TO-220AB Symbol VRRM IF(RMS) IF(AV) Parameter Repetitive peak reverse voltage RMS forward current Average forward current = 0.5 Tc = 115C Per diode Per device Tp = 10 ms Sinusoidal Value 200 30 12 24 120 - 65 to + 150 + 150 Unit V A A IFSM Tstg Tj Surge non repetitive forward current Storage temperature range Maximum operating junction temperature A C July 1999 - Ed: 2B 1/5 STPR2420CT THERMAL RESISTANCES Symbol Rth(j-c) Rth(c) Junction to case Parameter Per diode Total Coupling Value 2.5 1.4 0.23 Unit C/W When the diodes 1 and 2 are used simultaneously : Tj(diode 1) = P(diode 1) x Rth(j-c) (Per diode) + P(diode 2) x Rth(c) STATIC ELECTRICAL CHARACTERISTICS Symbol IR * VF ** Parameters Reverse leakage current Forward voltage drop Test conditions Tj = 25C Tj = 100C Tj = 125C Tj = 125C Tj = 25C Pulse test : * tp = 5 ms, < 2 % ** tp = 380 s, < 2 % Min. Typ. Max. 50 0.8 0.99 1.20 1.25 Unit A mA V VR = VRRM IF = 12 A IF = 24 A IF = 24 A To evaluate the conduction losses use the following equation : P = 0.78 x IF(AV) + 0.0175 x IF2(RMS) RECOVERY CHARACTERISTICS Symbol trr tfr VFP T j = 25C Tj = 25C Tj = 25C Test conditions IF = 0.5A IF = 1A IF = 1A Irr = 0.25A I R = 1A 20 3 V Min. Typ. Max. 30 Unit ns tr = 10 ns VFR = 1.1 x VF tr = 10 ns 2/5 STPR2420CT Fig. 1: Average forward power dissipation versus average forward current (per diode). Fig. 2: Peak current versus form factor (per diode). Fig. 3: Average temperature. current versus ambient Fig. 4: Non repetitive surge peak forward current versus overload duration (maximum values). Fig. 5: Relative variation of thermal transient impedance junction to case versus pulse duration. Fig. 6: Forward voltage drop versus forward current. 3/5 STPR2420CT Fig. 7: Junction capacitance versus reverse voltage applied (typical values, per diode). Fig. 8: Recovery charge versus dIF/dt (per diode). Fig. 9: Peak reverse current versus dIF/dt (per diode). Fig. 10: Dynamic parameters versus junction temperature (per diode). 4/5 STPR2420CT PACKAGE MECHANICAL DATA TO-220AB DIMENSIONS Millimeters Inches Min. A C L5 REF. A C D E F F1 F2 G G1 H2 L2 L4 L5 L6 L7 L9 M Diam. Max. Min. Max. H2 Dia L7 L6 L2 F2 F1 L9 L4 F G1 G M E D 4.40 4.60 1.23 1.32 2.40 2.72 0.49 0.70 0.61 0.88 1.14 1.70 1.14 1.70 4.95 5.15 2.40 2.70 10 10.40 16.4 typ. 13 14 2.65 2.95 15.25 15.75 6.20 6.60 3.50 3.93 2.6 typ. 3.75 3.85 0.173 0.181 0.048 0.051 0.094 0.107 0.019 0.027 0.024 0.034 0.044 0.066 0.044 0.066 0.194 0.202 0.094 0.106 0.393 0.409 0.645 typ. 0.511 0.551 0.104 0.116 0.600 0.620 0.244 0.259 0.137 0.154 0.102 typ. 0.147 0.151 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the 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 approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com 5/5 |
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