MM4148/MM4448 Formosa MS High-speed switching diode Features 1. Small surface mounting type 2. High reliability 3. High speed (trr= 4 ns) Applications Extreme fast switches Construction Silicon epitaxial planar Absolute Maximum Ratings Tj=25? Parameter Repetitive peak reverse voltage Reverse voltage Peak forward surge current Repetitive peak forward voltage Forward current Average forward current Power dissipation Junction temperature Storage temperature range Test Conditions Type t p=1µ s V R=0 Symbol VRRM VR IFSM IFRM IF I FAV PV Tj Tstg Value 100 75 2 500 300 150 500 175 -65~+175 Unit V V A mA mA mA mW ? ? Value 500 Unit K/W MaximumThermalResistance Tj=25? Parameter Junction ambient Test Conditions on PC board 50mm× 50mm× 1.6mm Formosa MS Symbol RthJA 1 MM4148/MM4448 Formosa MS Electrical Characteristics Tj=25? Parameter Forward voltage Reverse current Breakdown current Diode capacitance Rectification efficiency Reverse recovery time Test Conditions Type IF=5mA IF=10mA IF=100mA VR=20V VR=20V, Tj=150? VR=75V IR=100µ A,t p/T=0.01,tp=0.3ms VR=0, f=1MHz, VHF=50mV VHF=2V, f=100MHz IF= IR=10mA, i R=1mA IF=10mA, VR=6V, iR=0.1 × IR, RL=100O MM4148 MM4148 MM4448 Sym bol VF VF VF IR IR IR V(BR) CD ? R trr trr Min Typ 0.62 0.86 0.93 Max Unit 0.72 1 1 25 50 5 V V V nA µ A µ A V pF % ns ns 100 4 45 8 4 Characteristics (Tj=25? unless otherwise specified) Formosa MS 2 MM4148/MM4448 Formosa MS Dimensions in mm Cathode band Glass Case Mini Melf / SOD 80 JEDEC DO 213 AA Formosa MS 3