LL4148L Taiwan Semiconductor Small Signal Product CREAT BY ART 500mW Hermetically Sealed Glass Fast Switching Diodes FEATURES - Small hermetically sealed glass SMD package - High switching speed: Max. 4 ns - Continuous reverse voltage: Max. 75V - Repetitive peak reverse voltage: Max. 75V - Repetitive peak forward current: Max. 450 mA SOD80C MECHANICAL DATA Hermetically Sealed Glass - Polarity: Indicated by black cathode band MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted) PARAMETER Repetitive Peak Reverse Voltage Continuous Reverse Voltage Continuous Forward Current Fig. 2, (Note 1) Repetitive Peak Forward Current SYMBOL VALUE UNIT VRRM 75 V VR 75 V IF 200 mA IFRM 450 mA IFSM 4 A Non-Repetitive Peak Forward Surge Current Square Wave : TJ=25oC Prior to Surge : See Fig. 4 t=1μs 1 t=1ms 0.5 t=1s o Total Power Dissipation Tamb=25 C, (Note 1) Operating Junction Temperature PARAMETER Reverse Leakage Current Junction Capacitance Reverse Recovery Time Forward Recovery Voltage 500 TJ 200 o C -65 to 200 o C TSTG Storage Temperature Range Forward Voltage Ptot MIN MAX - 1.0 - 25.0 nA - 50.0 μA CJ - 4.0 pF trr - 4.0 ns Vfr - 2.5 V SYMBOL See Fig. 3 VF IF=10mA VR=20V VR=20V VR=0 See Fig. 5 o Tj=150 C f=1.0MHz (Note 2) IF=50 mA tr=20ns mW IR UNIT V Note 1 : Device mounted on an FR4 printed-circuit board Note 2 : Reverse recovery test conditions : IF=10mA, IR=60mA, RL=100Ω, IRR=1m A Document Number: DS_S1501007 Version: C15 LL4148L Taiwan Semiconductor Small Signal Product CREAT BY ART RATINGS AND CHARACTERISTICS CURVES (TA=25°C unless otherwise noted) Fig. 1 Maximum Permissible Continuous Forward Current As A Function of Ambient Temperature Fig. 2 Forward Current As A Function of Forward Voltage 600 300 IF(mA) IF (mA) 200 400 100 200 (1) (2) (3) 0 0 0 100 TS 0 200 (oC) 1 VF (V) 2 (1) Tj=175oC; typical values (2) Tj=25oC ; typical values (3) Tj=25oC; maximum values Device mounted on an FR4 printed-circuit Fig. 3 Maximum Permissible Non-Repetitive Peak Forward Current As A Function of Pulse Duration 100 IFSM (A) 10 1 0.1 1.E+00 1.E+01 Based on square wave currents Tj=25oC prior to surge Document Number: DS_S1501007 1.E+02 1.E+03 1.E+04 tp (us) Version: C15 LL4148L Taiwan Semiconductor Small Signal Product CREAT BY ART Fig. 5 Diode Capacitance As A Function of Reverse Voltage ; Typical Values Fig. 4 Reverse Current As A Function of Junction Temperature 1.2 1000 Cd (pF) IR (uA) 100 1.0 (1) 10 (2) (3) 0.8 1 0.6 0.1 0.4 0.01 0 100 (1) VR=75V ; maximum values (2) VR=75V ; typical values (3) VR=20V ; typical values Document Number: DS_S1501007 TJ (oC) 200 0 10 VR (V) 20 f = 1MHz ; Tj = 25oC Version: C15 LL4148L Taiwan Semiconductor Small Signal Product ORDER INFORMATION (EXAMPLE) LL4148L 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_S1501007 Version: C15 LL4148L 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_S1501007 Version: C15