MM4148 PB FREE PRODUCT SURFACE MOUNT SMALL SIGNAL DIODE Features D Electrical data identical with the devices 1N4148 and 1N4448 respectively Applications Extreme fast switches Absolute Maximum Ratings Tj = 25_C Parameter Repetitive peak reverse voltage Reverse voltage Peak forward surge current Repetitive peak forward current Forward current Average forward current Power dissipation Operating junction temperature Storage temperature range Test Conditions Type tp=1ms VR=0 Symbol VRRM VR IFSM IFRM IF IFAV PV Tj Tstg Value 100 75 2 500 300 150 500 -65~175 -65~175 Unit V V A mA mA mA mW °C °C Symbol RthJA Value 500 Unit K/W Maximum Thermal Resistance Tj = 25_C Parameter Junction ambient Test Conditions on PC board 50mmx50mmx1.6mm MM4148,MM4448 Characteristics Tj = 25_C Parameter Forward voltage g Reverse current Breakdown voltage Diode capacitance Rectification efficiency Reverse recovery y time Test Conditions IF=5mA IF= 50mA IF=100mA VR=20V VR=20V, Tj=150°C VR=75V IR=100mA, 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=0.1xIR, RL=100 Type Symbol VF VF VF IR IR IR V(BR) MM4448 MM4148 MM4448 Min 0.62 Typ 0.86 0.93 Unit V V V nA mA mA V 4 pF 8 4 % ns ns 100 CD hr 45 trr trr W Max 0.72 1 1 25 50 5 Typical Characteristics (Tj = 25_C unless otherwise specified) 1000 1000 MM4448 IF – Forward Current ( mA ) IF – Forward Current ( mA ) MM4148 100 Scattering Limit 10 1 Scattering Limit 10 1 Tj = 25°C 0.1 0 94 9096 100 0.4 0.8 1.2 1.6 Tj = 25°C 0.1 2.0 VF – Forward Voltage ( V ) Figure 1. Forward Current vs. Forward Voltage 0 94 9097 0.4 0.8 1.2 1.6 2.0 VF – Forward Voltage ( V ) Figure 2. Forward Current vs. Forward Voltage MM4148,MM4448 3.0 CD – Diode Capacitance ( pF ) IR – Reverse Current ( nA ) 1000 Tj = 25°C 100 Scattering Limit 10 2.0 1.5 1.0 0.5 1 0 1 94 9098 f = 1 MHz Tj = 25°C 2.5 10 100 VR – Reverse Voltage ( V ) Figure 3. Reverse Current vs. Reverse Voltage 0.1 1 10 100 VR – Reverse Voltage ( V ) 94 9099 Figure 4. Diode Capacitance vs. Reverse Voltage Dimensions in mm 0.4 0.1