DISCRETE POWER AND SIGNAL TECHNOLOGIES MMBD4448 General Description: Features: The high breakdown voltage, fast switching speed and high forward conductance of this diode packaged in a SOT-23 Surface Mount package makes it desirable also as a general purpose diode. * 350 milliwatt Power Dissipation package. High Conductance Fast Diode Ordering: Sym R OJA Wiv IO IF if iF(surge) * Typical capacitance less than 1.5 picofarad. * 7 inch reel (178 mm); 8 mm Tape; 3,000 units per reel. Absolute Maximum Ratings* Tstg TJ PD * High Breakdown Voltage, Fast Switching Speed. TA = 25OC unless otherwise noted Parameter Storage Temperature Operating Junction Temperature Total Power Dissipation at TA = 25OC Linear Derating Factor from TA = 25OC Thermal Resistance Junction-to-Ambient Working Inverse Voltage Average Rectified Current DC Forward Current (IF) Recurrent Peak Forward Current (IF) Peak Forward Surge Current (IFSM) Pulse Width = 1.0 second Pulse Width = 1.0 microsecond Value Units -55 to +150 -55 to +150 350 2.8 357 75 200 600 700 1.0 2.0 OC OC W mW/OC OC/W V mA mA mA Amp Amp *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired CONNECTION DIAGRAMS 3 PACKAGE TO-236AB (Low) 3 Top Mark: RAB 1 Electrical Characteristics SYM 1 2 NC TA = 25OC unless otherwise noted CHARACTERISTICS BV Breakdown Voltage 75 IR Reverse Leakage VF Forward Voltage 2 MIN MAX TEST CONDITIONS V V IR IR 25 50 5.0 nA uA uA VR = VR = VR = 720 1.0 mV V IF IF CT Capacitance 2.0 pF VR = TRR Reverse Recovery Time 4.0 ns IF = 10 mA IR = 10 mA IRR = 1.0 Ma, RL = 100 ohms VFM Peak Forward Recovery Voltage 2.5 V IF (c) 1997 Fairchild Semiconductor Corporation 100 UNITS 620 = 100 uA = 5.0 uA 20 V 20 V TA = 150 Deg C 75 V = 5 mA = 100 mA 0.0 V, f = 1.0 MHz = 50 mA Pk Square Wave Revision A; November 10, 1998 DISCRETE POWER AND SIGNAL TECHNOLOGIES 0.019 (0.483) 0.015 (0.381) 3 0.098 (2.489) 0.083 (2.108) 0.055 (1.397) 0.047 (1.194) 3 CHARACTERS MAX 1 2 0.024 (0.810) 0.018 (0.457) 0.040 (1.016) 0.035 (0.889) 0.080 (2.032) 0.070 (1.778) 0.120 (3.048) 0.110 (2.794) LOW PROFILE (49) LOW PROFILE (49) 0.0059 (0.150) 0.0035 (0.089) 0.0040 (0.102) 0.0005 (0.013) SOT-23 Diode (pinout) TO-236AB (LOW PROFILE) 22-August-1994 0.041 (1.041) 0.035 (0.889) DISCRETE POWER AND SIGNAL TECHNOLOGIES 0.030" +/- 0.005" (0.762 +/- 0.127) 0.120" MINIMUM (3.048) 0.035" TYPICAL (0.889) 0.060" +/- 0.005" (1.524 +/- 0.127) RECOMMENDED SOLDER PADS FOR SOT-23 DISCRETE POWER AND SIGNAL TECHNOLOGIES 0.031" +/- 0.005" (0.800 +/- 0.127) 0.039" +/- 0.005" (1.000 +/- 0.127) 0.099" +/- 0.005" (2.524 +/- 0.127 ) 0.060" +/- 0.005" (1.524 +/- 0.127) 0.037" +/- 0.005" (0.950 +/- 0.127 ) RECOMMENDED SOLDER PADS FOR U.S. & European SOT-23 & Japanese SC-59 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ISOPLANARTM MICROWIRETM POPTM PowerTrench QFETTM QSTM Quiet SeriesTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 ACExTM CoolFETTM CROSSVOLTTM E2CMOSTM FACTTM FACT Quiet SeriesTM FAST(R) FASTrTM GTOTM HiSeCTM SyncFETTM TinyLogicTM UHCTM VCXTM DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. D