1N4148 (LL4148) Technical Data Data Sheet N0230, Rev. - Green Products 1N4148 (LL4148) FAST SWITCHING DIODE Features: • • • • • • • Fast Switching Speed Glass Package Version for High Reliability High Conductance Available in Both Through-Hole and Surface Mount Versions This is a Pb − Free Device All SMC parts are traceable to the wafer lot Additional testing can be offered upon request Mechanical Data： • • • • • Case: DO-35, Mini MELF/DL-35 Terminals: Plated leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode band Weight: DO-35 0.13 grams Mini MELF/DL-35 0.05 grams Marking: Cathode band Mechanical Dimensions: In mm/Inches DO-35 Mini MELF/DL-35 • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • 1N4148 (LL4148) Technical Data Data Sheet N0230, Rev. - Green Products Ordering Information: Device Package DO-35 (Pb-Free) Mini MELF/DL-35 (Pb-Free) 1N4148 LL4148 Shipping 5000pcs /reel 2500pcs / reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification. Maximum Ratings @TA=25°C unless otherwise specified Characteristic Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage RMS Reverse Voltage Forward Continuous Current (Note 1) Rectified Current(Average), Half Wave Rectification with Resistive Load and f ≥ 50MHz (Note 1) Non-Repetitive Peak Forward Surge Current @t=1.0s @t=1.0μs Power Dissipation(Note 1) Derate Above 25°C Thermal Resistance, Junction to Ambient Air(Note 1) Junction and Storage Temperature Range Symbol Value Unit VRM 100 V VRRM VRWM VR 75 V VR(RMS) 53 V IFM 300 mA Io 150 mA IFSM 1.0 2.0 A PD 500 1.68 mW mW/°C RθJA 300 °C/W TJ, TSTG -65 to +175 °C • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • 1N4148 (LL4148) Technical Data Data Sheet N0230, Rev. - Green Products Electrical Characteristics @TA=25°C unless otherwise specified Characteristic Forward Voltage Symbol Min Max Unit Test Condition VFM - 1.0 V μA μA μA nA @VR=75V @VR=70V, TJ=150°C @VR=20V, TJ=150°C @VR=20V @IF=10mA Peak Reverse Current IRM - 5.0 50 30 25 Capacitance Cj - 4.0 pF VR=0V, f=1.0MHz Reverse Recovery Time trr - 4.0 ns IF=10mA to IR=1.0mA VR=6.0V, RL=100Ω Note: 1. Diode on Ceramic substrate 10×8×0.7mm • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com • 1N4148 (LL4148) Technical Data Data Sheet N0230, Rev. - Green Products DISCLAIMER: 1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product characteristics. Before ordering, purchasers are advised to contact the SMC - Sangdest Microelectronics (Nanjing) Co., Ltd sales department for the latest version of the datasheet(s). 2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’ fail-safe precautions or other arrangement . 3- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any damages that may result from an accident or any other cause during operation of the user’s units according to the datasheet(s). SMC - Sangdest Microelectronics (Nanjing) Co., Ltd assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information, products or circuits described in the datasheets. 4- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any failure in a semiconductor device or any secondary damage resulting from use at a value exceeding the absolute maximum rating. 5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC - Sangdest Microelectronics (Nanjing) Co., Ltd. 6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC - Sangdest Microelectronics (Nanjing) Co., Ltd. 7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations.. • China - Germany - Korea - Singapore - United States • • http://www.smc-diodes.com - sales@ smc-diodes.com •