MMBD4448W

WEITRON Surface Mount Switching Diode Features: * High Speed 4ns * Low Rever Leakage Current * Surface Mount Package Ideally Suited for Automatic Insertion MMBD4448W SWITCHING DIODE 250mAMPERS 100VOLTS 3 Mechanical Data: * Case: SOT-323, Molded Plastic * Terminals: Solderable per MIL-STD-202 Method 208 * Polarity: See Diagram * Weight: 0.006 grams(approx) 1 2 SOT-323(SC-70) SOT-323 Outline Demensions Unit:mm A SOT-323 B C T OP V IE W D E G H K L J M Dim A B C D E G H J K L M Min 0.30 1.15 2.00 0.30 1.20 1.80 0.00 0.80 0.42 0.10 Max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 WEITRON http://www.weitron.com.tw MMBD4448W Maximum Ratings Rating Nop-Reptitive Reverse Voltage Peak Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Vlotage Forward Current *1 Non-Repetitive Peak Forward Surge Current Symbol VRM VRRM VRWM VR IF I FSM Value 100 WE IT R ON Unit Vdc Vdc mAdc 75 250 @ t=1.0us @ t=1.0s 4.0 2.0 Adc T her mal C har acter istics Characterictics Total Device Dissipation *1 Symbol PD RqJA TJ, Tstg Max 200 Unit mW C/W C Thermal Resistance, Junction to Ambient Air *1 Junction and Storage Temperature 625 -55 to + 150 Electrical Characteristics ( TA=25 C Unless Otherwise note) Characterictics Symbol Min Max Unit Off C har acter istics Reverse Breakdown Voltage I R =10uA Forward Voltage I F=5.0mA I F=10mA I F=100mA I F=150mA Reverse Voltage Leakage Curret VR=20V VR=75V Diode Capacitance (VR=0, f=1.0MHz) Revarse Recover Time (IF=IR=10mAdc) V(BR) R 75 0.720 0.855 1.00 1.25 0.025 2.5 4.0 4.0 Vdc VF Vdc IR CT trr uAdc pF ns 1. Valid provided that terminals are kept at ambient temperature. Device Marking Item MMBD4448W Marking KA3 Eqivalent Circuitdiagram 3 1 WEITRON http://www.weitron.com.tw MMBD4448W WEITRON http//www.weitron.com.tw