1N4148WS / 1N4448WS / 1N914BWS Small Signal Diodes • • • • • • • Device Marking Code Device Type Device Marking 1N4148WS S1 1N4448WS S2 1N914BWS S3 General Purpose Diodes Fast switching Device( TRR < 4.0 ns ) Very Small and Thin SMD package Moisture Level Sensitivity 1 Pb-free Version and RoHS Compliant Matte Tin (Sn) Lead Finish Green Mold Compound *Band Denotes Cathode SOD-323F Absolute Maximum Ratings* Ta=25°C unless otherwise noted Symbol Parameter Value Units VRSM Non-Repetitive Peak Reverse Voltage 100 V VRRM Repetitive Peak Reverse Voltage 75 V I FRM Repetitive Peak Forward Current 300 mA IO Continuous Forward Current 150 mA TJ Operating Junction Temperature Range +150 °C TSTG Storage Temperature Range -55 to +150 °C * These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics Value Unit RθJA Symbol Thermal Resistance, Junction to Ambient Parameter 500 °C/W PD Power Dissipation(TC=25°C) 200 mW * Device mounted on FR-4 PCB minimum land pad. Electrical Characteristics Ta=25°C unless otherwise noted Symbol Parameter Test Conditions BVR Breakdown Voltage IR = 100 μA IR = 5 μA IR Reverse Current VR = 20 V VR = 75 V VF Forward Voltage CO Diode Capacitance Reverse Recovery Time TRR 1N4448WS/ 914BWS 1N4148WS 1N4448WS/ 914BWS Typ Max 100 75 Units V 25 5 nA μA 0.72 1 1 V VR = 0, f = 1 MHz 4 pF I F = 10 mA, IR = 60mA I RR = 1 mA, RL = 100 Ω 4 nS IF = 5 mA IF = 10 mA IF = 100 mA © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 Min 0.62 www.fairchildsemi.com 1 1N4148WS / 1N4448WS / 1N914BWS — Small Signal Diodes March 2008 1N4148WS / 1N4448WS / 1N914BWS — Small Signal Diodes Typical Performance Characteristics Total Capacitance 0.58 TA=25°C 0.56 Capacitance [pF] 0.54 0.52 0.50 0.48 0.46 0.44 0 2 4 6 8 10 12 14 Reverse Voltage (V) Forward Voltage vs Ambient Temperature Typical 1.2 VF- Forward Voltage [V] 1.0 Ta=-40°C 0.8 Ta=25°C 0.6 Ta=150°C 0.4 0.2 0.0 0.01 0.1 1 10 100 Forward Current, I [mA] F © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 www.fairchildsemi.com 2 1N4148WS / 1N4448WS / 1N914BWS — Small Signal Diodes Typical Performance Characteristics Power Derating Curve PD - Power Dissipation [mW] 250 200 150 100 50 0 0 25 50 75 100 125 150 175 Temperature [°C] Reverse Current vs Reverse Voltage 105 Reverse Current [nA] 104 Ta=150°C 103 102 Ta=25°C 101 100 Ta=-40°C 10-1 10 20 30 40 50 60 70 80 90 100 Reverse Voltage, VR[V] © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 www.fairchildsemi.com 3 1N4148WS / 1N4448WS / 1N914BWS — Small Signal Diodes Typical Performance Characteristics Reverse Voltage vs Reverse Current 170 VR - Reverse Voltage Ta=25°C 160 150 140 1 10 100 Reverse Current, IR[µA] © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 www.fairchildsemi.com 4 1N4148WS / 1N4448WS / 1N914BWS — Small Signal Diodes Package Dimensions SOD-323F © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 www.fairchildsemi.com 5 The following are registered and unregistered trademarks and service marks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. 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FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I31 © 2007 Fairchild Semiconductor Corporation 1N4148WS / 1N4448WS / 1N914BWS Rev. 1.0 www.fairchildsemi.com 6 1N4148WS / 1N4448WS / 1N914BWS Small Signal Diodes TRADEMARKS