MMBL4448H

1N4448WS WEITRON | Alldatasheet

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Surface Mount Switching Diode Mechanical Data: Features: MMBL4448H 1N4448WSWEITRON WEITRON SWITCHING DIODE 250m AMPERES http://www.weitron.com.tw SOD-323 SOD-323 Outline Dimensions 1.60 1.80 1.15 1.35 0.80 1.00 0.25 0.40 0.15REF 0.00 0.10 0.089 0.377 2.30 2.70 A B C D E H J K Lead(Pb)-Free Pb MILLMETERS Dim Min Max * Fast Switching Speed * Surface Mount Package Ideally Suited for Automatic Insertion * For General Purpose Switching Applications * High Conductance * Ca se: SOD-323, Molded Plastic * Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 * Polarity: Cathode Band * Weight: 0.004 grams (approx) Unit:mm 2. ANODE PIN 1. CATHODE 1/3 26-Jul-06

100 VOLTS

http://www.weitron.com.tw WEITRON Maximum Ratings (TA=25°C Unless Otherwise note) Device Marking Electrical Characteristics (TA=25˚C Unless Otherwise note) Off Characteristics Rating Symbol Value Unit Characterictics Symbol Max Unit Forward Continuous Current RMS Reverse Voltage Average Recfified Output Current VRM IFM 100 500 250 V V mA mA A Total Device Dissipation Thermal Resistance Junction to Ambient Junction and Storage Temperature PD RθJA TJ 315 -65 to +150 mW K/W Min Forward Voltage Reverse Voltage Leakage Current VR=20V VR=75V Revarse Recover Time IF=IR=10mA, Irr=0.1 x IR, RL=100Ω VF IR Diode Capacitance VR=0, f=1.0MHz CT trr 4.0 4.0 V µA nA pF ns Item Marking Eqivalent Circuitdiagram 1N4448WS , MMBL4448H T5 21 200 WEITRON Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Vlotage VRRM VRWM VR VR(RMS) V53 Non-Repetitive Peak Forward Surge Current @ t=1.0µs @ t=1.0s IFSM IO 4.0 2.0 IF=5mA IF=10mA IF=100mA IF=150mA 2.5 Non-Repetitive Peak Reverse Voltage Storage Temperature Tstg +150 MMBL4448H 1N4448WS 26-Jul-06 0.72 0.855 1.00 1.25 0.62 Reverse Voltage Leakage Current IR=10µA V(BR)R V-75

http://www.weitron.com.tw WEITRON WEITRON 3/3 Typical Characteristics 100 300 0 25 50 75 125 125 150 P P O ITAPISSID RE W O W N d AMBIENTTEMPERATURE( C) Fig.1 ForwardCurrentDeratingCurve 200 10 100 0.1 0 1000800200 400 600 F,I O TNERRUC DRA WR F V ,FORWARDVOLTAGE(mV) Fig.2 TypicalForwardCharacteristics F Ta =-30 C° Ta =50 C° Ta =0 C° Ta =85 C° Ta =25 C° 0.10 1.0 10.0 0.01 0.001 0 20 40 60 80 V ,REVERSEVOLTAGE(V) Fig.3 TypicalReverseCharacteristics R Ta =100 C° Ta =0 C° Ta =75 C° Ta =50 C° Ta =25 C° Ta =-30 C° 0 4 6 82 10 I ,FORWARDCURRENT(mA) Fig.4 ReverseRecoveryTimevs. ForwardCurrent F t rr )Sn( E MIT YREVOCER ESREVER, 0.5 1.0 1.5 2.0 2.5 0 432 51 6 V ,REVERSEVOLTAGE(V) Fig.5 TotalCapacitancevs. ReverseVoltage R )Fp( ECNATICAPACLATOT, C T f =1MHz MMBL4448H 1N4448WS 26-Jul-06