MMBD4448HT,MMBD4448HTA,MMBD4448HTC,MMBD4448HTS Features • Fast Switching Speed • High Conductance, Power Dissipation • Ultra-Small Surface Mount Package 150mW • For General Purpose Switching Applications Switching Diodes • Halogen Free. “Green” Device (Note 1) • Moisture Sensitivity Level 1 • Epoxy Meets UL 94 V-0 Flammability Rating • Lead Free Finish/RoHS Compliant ("P" Suffix Designates RoHS Compliant. See Ordering Information) Maximum Ratings • Operating Junction Temperature Range: -65°C to +150°C • Storage Temperature Range: -65°C to +150°C SOT-523 • Thermal Resistance:833°C/WJunction to Ambient Repetitive RMS DC MCC Device Peak Reverse Reverse Blocking A D Part Number Marking Voltage Voltage Voltage V V V RRM R(RMS) R B C MMBD4448HT A3 80V 57V 80V MMBD4448HTA A6 80V 57V 80V E MMBD4448HTC A7 80V 57V 80V G H J MMBD4448HTS AB 80V 57V 80V K Non-Repetitive Peak V 100V Reverse Voltage RM DIMENSIONS INCHES MM DIM NOTE Working Peak V 80V MIN MAX MIN MAX Reverse Voltage RWM A 0.059 0.067 1.50 1.70 B 0.030 0.033 0.75 0.85 Forward Continuous C 0.057 0.069 1.45 1.75 I 500mA Current FM D 0.020 Nominal 0.50 Nominal E 0.035 0.043 0.90 1.10 Average Rectified G 0.000 0.004 0.00 0.10 Output Current Io 250mA H 0.024 0.031 0.60 0.80 J 0.004 0.008 0.10 0.20 K 0.006 0.014 0.15 0.35 Peak Forward Surge 4.0A @1.0μs I Current FSM 2.0A @1.0s Suggested Solder Pad Layout Power Dissipation P 150mW D (mm) Note: 1. Halogen free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Internal Structure MMBD4448HT MMBD4448HTA MMBD4448HTC MMBD4448HTS Rev.3-3-12012020 1/4 MCCSEMI.COM

MMBD4448HT,MMBD4448HTA,MMBD4448HTC,MMBD4448HTS Electrical Characteristics @ 25°C Unless Otherwise Specified Minimum Breakdown Voltage V 80V I =2.5μA BR R 0.720V IF=5.0mA Maximum Forward Voltage V 0.855V IF=10.0mA F 1.000V I =50.0mA F 1.250V I =150.0mA F Minimum Forward Voltage V 0.620V I =5.0mA F F 0.1μA VR=70V Maximum Peak Reverse voltage I R 25nA V =20V R Maximum Total Capacitance C 3.5pF V =6.0V,f=1.0MHz T R Maximum Reverse Recovery Time t 4.0ns I =5mA, V =6V rr F R Rev.3-3-12012020 2/4 MCCSEMI.COM

MMBD4448HT,MMBD4448HTA,MMBD4448HTC,MMBD4448HTS Curve Characteristics Fig. 1 - Typical Instantaneous Forward Characteristics Fig. 2 - Typical Reverse Leakage Characteristics 300 10000 mA)100 age nt ( eak 1000 T=100°C e L A orward Curr TA=100°C us Reverse urrent (nA) 100 F oC eous 10 TA=25°C ntane n a nta nst 10 a I T=25°C st A n I 1 1 0.0 0.4 0.8 1.2 1.6 0 20 40 60 80 100 Instantaneous Forward Voltage (V) Reverse Voltage (V) Fig. 3 - Power Derating Curve 200 W) 150 m n ( o ati p si 100 s Di er w o P 50 0 0 25 50 75 100 125 150 Ambient Temperature (°C) Rev.3-3-12012020 3/4 MCCSEMI.COM

MMBD4448HT,MMBD4448HTA,MMBD4448HTC,MMBD4448HTS Ordering Information Device Packing Part Number-TP Tape&Reel: 3Kpcs/Reel ***IMPORTANT NOTICE*** Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are represented on our website, harmless against all damages. Micro Commercial Components Corp. products are sold subject to the general terms and conditions of commercial sale, as published at https://www.mccsemi.com/Home/TermsAndConditions. ***LIFE SUPPORT*** MCC's products are not authorized for use as critical components in life support devices or systems without the express written approval of Micro Commercial Components Corporation. ***CUSTOMER AWARENESS*** Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. Rev.3-3-12012020 4/4 MCCSEMI.COM