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LL4448 Dataheets PDF



Part Number LL4448
Manufacturers Taiwan Semiconductor
Logo Taiwan Semiconductor
Description High Speed SMD Switching Diode
Datasheet LL4448 DatasheetLL4448 Datasheet (PDF)

Small Signal Product CREAT BY ART LL4148/LL4448/LL914B Taiwan Semiconductor High Speed SMD Switching Diode FEATURES - Fast switching device (trr<4.0ns) - Surface device type mounting - Matte Tin(Sn) terminal finish - Pb free version and RoHS compliant MECHANICAL DATA - Case: Mini-MELF Package - High temperature soldering guaranteed: 270°C/10s - Polarity: Indicated by black cathode band - Weight: 31mg (approximately) MINI MELF Hermetically Sealed Glass MAXIMUM RATINGS AND ELECTRICAL CHARAC.

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Small Signal Product CREAT BY ART LL4148/LL4448/LL914B Taiwan Semiconductor High Speed SMD Switching Diode FEATURES - Fast switching device (trr<4.0ns) - Surface device type mounting - Matte Tin(Sn) terminal finish - Pb free version and RoHS compliant MECHANICAL DATA - Case: Mini-MELF Package - High temperature soldering guaranteed: 270°C/10s - Polarity: Indicated by black cathode band - Weight: 31mg (approximately) MINI MELF Hermetically Sealed Glass MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA=25℃ unless otherwise noted) PARAMETER SYMBOL VALUE Power Dissipation Repetitive Peak Reverse Voltage PD VRRM 500 75 Reverse Voltage VR 75 Peak Forward Surge Current (Note 1) IFSM 2 Non-Repetitive Peak Forward Current Mean Forward Current IFM IF(AV) 450 150 Forward Continuous Current IF 150 Repetitive Peak Forward Current IFRM 450 Thermal Resistance (Junction to Ambient) (Note 2) Junction and Storage Temperature Range RθJA TJ , TSTG 300 -65 to +175 PARAMETER SYMBOL Reverse Breakdown Voltage IR=100μA IR=5μA V(BR) Forward Voltage LL4448, LL914B LL4148 LL4448, LL914B Reverse Leakage Current IF=5 mA IF=50 mA IF=100 mA VR=20V VR=75V VF IR Junction Capacitance Reverse Recovery Time VR=0 (Note 3) f=1.0MHz CJ trr MIN 100 75 - 0.62 - MAX - 0.72 1 1 25 5 4 4 Note 1: Test condition : 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Note 2: Valid provided that electrodes are kept at ambient temperature Note 3: Reverse recovery test conditions : IF=IR=10mA, RL=100Ω, IRR=1mA UNIT mW V V A mA mA mA mA oC/W oC UNIT V V nA μA pF ns Document Number: DS_S1408022 Version: J15 Small Signal Product RATINGS AND CHARACTERISTICS CURVES (TA=25°C unless otherwise noted) 1500 Fig. 1 Typical Forward Characteristics Instantaneous Forward Current (mA) 1200 900 600 300 0 0.001 0.01 0.1 1 10 100 Instantaneous Forward Voltage (V) 1000 Reverse Current (μA) LL4148/LL4448/LL914B Taiwan Semiconductor Fig. 2 Reverse Current VS. Reverse Voltage 100 10 1 0.1 0.01 0 20 40 60 80 100 120 Reverse Voltage (V) Power Dissipation (mW) 600 500 400 300 200 100 0 0 Fig. 3 Admissible Power Dissipation Curve 50 100 150 Ambient Temperature (oC) 200 10000 Fig. 5 Forward Resistance VS. Forward Current 1000 100 10 1 0.01 0.1 1 10 Forward Current (mA) 100 Dynamic Forward Resistance (Ohm) Document Number: DS_S1408022 Junction Capacitance (pF) 1.5 1.2 0.9 0.6 0.3 0.0 0 Fig. 4 Typical Junction Capacitance 5 10 15 20 25 30 Reverse Voltage (V) Version: J15 Small Signal Product ORDER INFORMATION (EXAMPLE) LL4148 L0G Green compound code Packing code Part no. PACKAGE OUTLINE DIMENSION C B SUGGEST PAD LAYOUT A LL4148/LL4448/LL914B Taiwan Semiconductor DIM. A B C Unit (mm) Min 3.30 1.40 0.20 Max 3.70 1.60 0.50 Unit (inch) Min 0.130 0.055 0.008 Max 0.146 0.063 0.020 DIM. A B C D Unit (mm) Typ. 1.25 2.00 2.50 5.00 Unit (inch) Typ. 0.049 0.079 0.098 0.197 Document Number: DS_S1408022 Version: J15 Small Signal Product LL4148/LL4448/LL914B Taiwan Semiconductor Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied,to any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or seling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. Document Number: DS_S1408022 Version: J15 .


LL4148 LL4448 LL914B


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