SURFACE MOUNT SWITCHING DIODE LL4148 LL4448
Surface Mount Switching Diode
Features
• • • • • Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion General Purpose Rectification Silicon Epitaxial Planar Construction RoHS compliant
MiniMELF (SOD-80C)
Mechanical Data
Case: Terminals: Weight: MiniMelf (SOD-80C), Glass Case Solderable per MIL-STD-202, Method 208 0.05 grams
Maximum Ratings & Electrical Characteristics (T Ambient=25ºC unless noted otherwise)
Symbol Description Reverse Voltage Peak Reverse Voltage Forward Average Current Peak Forward Surge Current, Pulse Width=1.0us Power Dissipation above 25°C Min --1.0 @ 10mA 1.0 @ 100mA 0.025 5.0 4.0 4.0 -65 to +175 0.025 5.0 LL4148 75 100 150 2.0 500 0.62 @ 5mA 0.72 @ 5mA Max V LL4448 Unit V V mA A mW Valid provided that electrodes are kept at ambient temperature Conditions
VRM VRRM IF(AV) IFSM PD
VF
Forward Voltage
IR CD Trr TJ,TSTG
Max. Reverse Current Diode Capacitance Reverse Recovery Time Operating Junction and Storage Temperature Range
µA pF ns °C
VR=20V VR=75V
VR=0V, f=1MHz IF= 10mA,IR=1mA, VR=6V,RL=100Ω
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Tel: (800)-TAITRON Fax: (800)-TAITFA (800)-824-8766 (800)-824-8329 (661)-257-6060 (661)-257-6415
Rev. A/JJ 2007-06-15 Page 1 of 4
Surface Mount Switching Diode
LL4148 LL4448
Typical Characteristics Curves
Fig.1- Power Derating Curve Fig.2- Typical Forward Characteristics
Ambient Temperature (°C)
IF Instantaneous Forward current (mA)
PD Power Dissipation (mW)
Instantaneous Forward Voltage (V)
Fig.3- Typical junction capacitance
Fig.4- Typical Reverse Characteristics
Reverse Voltage (V)
IR Instantaneous Reverse current (nA)
CD Diode Capacitance (pF)
Instantaneous Reverse Voltage (V)
Rev. A/JJ 2007-06-15 www.taitroncomponents.com Page 2 of 4
Surface Mount Switching Diode
LL4148 LL4448
Dimensions in inches (mm)
MiniMELF (SOD-80C)
Rev. A/JJ 2007-06-15 www.taitroncomponents.com Page 3 of 4
Surface Mount Switching Diode
LL4148 LL4448
How to contact us:
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TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE
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Rev. A/JJ 2007-06-15 www.taitroncomponents.com Page 4 of 4
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