LL4448 /LL4148/LL914B Pb 500mW Hermetically Sealed Glass Fast Switching Diodes RoHS COMPLIANCE MINI MELF Features Fast switching device (TRR< 4.0nS) LL-34( Mini-MELF) package Surface device type mounting Hermetically sealed glass Compression bonded construction All external surfaces are corrosion resistant and terminals are readily solderable RoHS compliant Matte Tin (Sn) lead finish Blue color band indicates negative polarity Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25oCambient temperature unless otherwise specified. Maximum Ratings Type Number Power Dissipation Working Inverse Voltage Non-repetitive Peak Forward Current Average Rectified Current Symbol Pd WIV IFM Io Peak Forward Surge Current IFSURGE Operating Junction Temperature TJ TSTG Storage Temperature Range Value 500 75 450 150 2 175 -65 to + 200 Units mW V mA mA A O C O C Electrical Characteristics Type Number Symbol Min IR=100uA IR=5uA BV 100 75 IF=5.0mA IF= 10mA IF =100mA VR=20V VR=75V VF 0.62 Breakdown Voltage Forward Voltage LL4448, LL914B LL4148 LL4448, LL914B Reverse Leakage Current IR - Max V 0.72 1.0 1.0 V 25 5 nA uA pF nS 4.0 Cj 4.0 trr Notes: 1. Reverse Recovery Test Conditions: IF=10mA, VR=6V, RL=100Ω, IRR=1mA Junction Capacitance Units VR=0, f=1.0MHz Reverse Recovery Time (Note 1) Version: B07 RATINGS AND CHARACTERISTIC CURVES (LL4448/LL4148/LL914B) 1000 1000 LL4448 IF - Forward Current (mA) IF - Forward Current (mA) LL4148 100 Scattering Limit 10 1 100 Scattering Limit 10 1 Tj = 25 ° C Tj = 25 °C 0.1 0.1 0 0.4 0.8 1.2 1.6 2.0 0 0.8 1.2 1.6 2.0 V F - Forward Voltage (V) Figure 1. Forward Current vs. Forward Voltage Figure 2. Forward Current vs. Forward Voltage 1000 3.0 C D - Diode Capacitance (pF) I R - Reverse Current (nA) 0.4 V F - Forward Voltage (V) Tj = 25 °C 100 Scattering Limit 10 1 f = 1 MHz Tj = 25 °C 2.5 2.0 1.5 1.0 0.5 0 1 10 100 V R - Reverse Voltage (V) Figure 3. Reverse Current vs. Reverse Voltage 0.1 1 100 10 V R - Reverse Voltage (V) Figure 4. Diode Capacitance vs. Reverse Voltage Version: B07