RoHS LL4148-4448 D T ,. L High-speed switching diode Features 1. Small surface mounting type 2. High reliability 3. High speed (trr≤4 ns) Applications IC Extreme fast switches Construction Silicon epitaxial planar R T Absolute Maximum Ratings Tj=25℃ Parameter O Test Conditions C E L Repetitive peak reverse voltage Reverse voltage Peak forward surge current N Type tp=1μs Repetitive peak forward current Forward current E Average forward current Power dissipation J E Junction temperature C O VR=0 Storage temperature range Symbol Value Unit VRRM 100 V VR 75 V IFSM 2 A IFRM 500 mA IF 300 mA IFAV 150 mA PV 500 mW Tj 175 ℃ Tstg -65~+175 ℃ Maximum Thermal Resistance W Tj=25℃ Parameter Junction ambient Test Conditions Symbol Value Unit on PC board 50mm×50mm×1.6mm RthJA 500 K/W WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected] RoHS LL4148-4448 Electrical Characteristics D T ,. L Tj=25℃ Parameter Test Conditions Forward voltage Reverse current Type Symbol Min IF=5mA LL4448 VF 0.62 IF=10mA LL4148 VF 0.86 IF=100mA LL4448 VF 0.93 VR=20V IR VR=20V, Tj=150℃ IR VR=75V IR Breakdown voltage IR=100μA,tp/T=0.01,tp=0.3ms V(BR) Diode capacitance VR=0, f=1MHz, VHF=50mV CD Rectification efficiency VHF=2V, f=100MHz ηR Reverse recovery time IF= IR=10mA, iR=1mA IC trr trr IF=10mA, VR=6V, iR=0.1×IR, RL=100Ω O Typ C 100 45 Max Unit 0.72 V 1 V 1 V 25 nA O 50 μA 5 μA V 4 pF % 8 ns 4 ns N Forward current: IF(mA) R T J E C E L E Forward current: IF(mA) Characteristics (Tj=25℃ unless otherwise specified) Forward voltage: VF(V) Figure 1. Forward current vs. forward voltage Forward voltage: VF(V) Figure 2. Forward current vs. forward voltage W WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected] RoHS Diode capacitance: CD(pF) Reverse leakage current: IR(nA) LL4148-4448 Reverse voltage: VR(V) Cathode identification R T W C E L IC Figure 4. Diode capacitance vs. reverse voltage O N Φ1.5±0.1 Dimensions in mm J E O Reverse voltage: VR(V) Figure 3. Reverse current vs. reverse voltage E C D T ,. L 0.3 3.5±0.2 Glass Case Mini Melf / SOD 80 JEDEC DO 213 AA WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected]