LL4448 /LL4148/LL914B
Pb
RoHS RoHS
COMPLIANCE
500mW Hermetically Sealed Glass Fast Switching Diodes
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 Peak Forward Surge Current Operating Junction Temperature Storage Temperature Range
Symbol Pd WIV IFM Io
IFSURGE
TJ TSTG Symbol
IR=100uA IR=5uA
Value 500 75 450 150 2 175 -65 to + 200 Min
100 75 0.62
-
Units mW V mA mA A O C O C Max Units V
0.72 1.0 1.0 25 5
Electrical Characteristics
Type Number
Breakdown Voltage Forward Voltage LL4448, LL914B LL4148 LL4448, LL914B Reverse Leakage Current Junction Capacitance
BV VF IR
IF=5.0mA IF= 10mA IF =100mA VR=20V VR=75V
V nA uA pF nS
4.0 Cj 4.0 trr Notes: 1. Reverse Recovery Test Conditions: IF=10mA, VR=6V, RL=100Ω, IRR=1mA
VR=0, f=1.0MHz
Reverse Recovery Time (Note 1)
Version: B07
RATINGS AND CHARACTERISTIC CURVES (LL4448/LL4148/LL914B)
1000 LL4148
IF - Forward Current (mA)
1000 LL4448
IF - Forward Current (mA)
100 Scattering Limit 10
100 Scattering Limit 10
1 Tj = 25 °C 0.1 0 0.4 0.8 1.2 1.6 2.0 V F - Forward Voltage (V)
1 Tj = 25 ° C 0.1 0 0.4 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 C D - Diode Capacitance (pF)
I R - Reverse Current (nA)
3.0 2.5 2.0 1.5 1.0 0.5 0 1 10 V R - Reverse Voltage (V) 100 0.1 1 10 100 V R - Reverse Voltage (V) f = 1 MHz Tj = 25 °C
Tj = 25 °C 100
Scattering Limit 10
1
Figure 3. Reverse Current vs. Reverse Voltage
Figure 4. Diode Capacitance vs. Reverse Voltage
Version: B07
