LL4148/LL4448/LL914B Taiwan Semiconductor Small Signal Product CREAT BY ART 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 MINI MELF - Case: Mini-MELF Package Hermetically Sealed Glass - High temperature soldering guaranteed: 270°C/10s - Polarity: Indicated by black cathode band - Weight: 31mg (approximately) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA=25℃ unless otherwise noted) PARAMETER SYMBOL VALUE UNIT PD 500 mW VRRM 75 V VR 75 V IFSM 2 A IFM 450 mA IF(AV) 150 mA IF 150 mA Repetitive Peak Forward Current IFRM 450 Thermal Resistance (Junction to Ambient) (Note 2) RθJA 300 TJ , TSTG -65 to +175 Power Dissipation Repetitive Peak Reverse Voltage Reverse Voltage Peak Forward Surge Current (Note 1) Non-Repetitive Peak Forward Current Mean Forward Current Forward Continuous Current Junction and Storage Temperature Range PARAMETER SYMBOL IR=100μA Reverse Breakdown Voltage V(BR) IR=5μA Forward Voltage LL4448, LL914B LL4148 LL4448, LL914B Reverse Leakage Current Junction Capacitance Reverse Recovery Time IF=5 mA VF IF=50 mA mA o C/W o MIN MAX 100 - 75 - - - 0.62 0.72 - 1 C UNIT V V IF=100 mA - 1 VR=20V - 25 nA - 5 μA CJ - 4 pF trr - 4 ns IR VR=75V VR=0 f=1.0MHz (Note 3) 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 Document Number: DS_S1408022 Version: J15 LL4148/LL4448/LL914B Taiwan Semiconductor Small Signal Product RATINGS AND CHARACTERISTICS CURVES (TA=25°C unless otherwise noted) Fig. 1 Typical Forward Characteristics Fig. 2 Reverse Current VS. Reverse Voltage 100 1200 10 Reverse Current (μA) Instantaneous Forward Current (mA) 1500 900 600 300 0 0.001 0.01 0.1 1 10 100 0.1 0.01 1000 0 20 40 60 80 100 Instantaneous Forward Voltage (V) Reverse Voltage (V) Fig. 3 Admissible Power Dissipation Curve Fig. 4 Typical Junction Capacitance 120 1.5 600 500 Junction Capacitance (pF) Power Dissipation (mW) 1 400 300 200 100 1.2 0.9 0.6 0.3 0.0 0 0 50 100 150 200 0 5 10 15 20 25 30 Reverse Voltage (V) Ambient Temperature (oC) Fig. 5 Forward Resistance VS. Forward Current Dynamic Forward Resistance (Ohm) 10000 1000 100 10 1 0.01 0.1 1 10 100 Forward Current (mA) Document Number: DS_S1408022 Version: J15 LL4148/LL4448/LL914B Taiwan Semiconductor Small Signal Product ORDER INFORMATION (EXAMPLE) LL4148 L0G Green compound code Packing code Part no. PACKAGE OUTLINE DIMENSION C DIM. B Unit (mm) Unit (inch) Min Max Min Max A 3.30 3.70 0.130 0.146 B 1.40 1.60 0.055 0.063 C 0.20 0.50 0.008 0.020 A SUGGEST PAD LAYOUT Unit (mm) Unit (inch) Typ. Typ. A 1.25 0.049 B 2.00 0.079 C 2.50 0.098 D 5.00 0.197 DIM. Document Number: DS_S1408022 Version: J15 LL4148/LL4448/LL914B Taiwan Semiconductor Small Signal Product 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