LL4148/LL4448 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 tp=1 Type s VR=0 Symbol VRRM VR IFSM IFRM IF IFAV 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 Maximum Thermal Resistance Tj=25 Parameter Junction ambient Test Conditions on PC board 50mm 50mm 1.6mm GOODWORK Symbol RthJA 1 LL4148/LL4448 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=100 A,tp/T=0.01,tp=0.3ms VR=0, f=1MHz, VHF=50mV VHF=2V, f=100MHz IF= IR=10mA, iR=1mA IF=10mA, VR=6V, iR=0.1 IR, RL=100 LL4148 LL4148 LL4448 Characteristics (Tj=25 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 A A V pF % ns ns 100 4 45 8 4 unless otherwise specified) GOODWORK 2 LL4148/LL4448 Dimensions in mm Cathode band Glass Case Mini Melf / LL-34 GOODWORK 3