Small Signal Diode General Description A general purpose diode that couples high forward conductance fast swiching speed and high blocking voltages in a glass leadless LL-34 surface mount package. Placement of the expansion gap has no relationship to the location of the cathode terminal which is indicated by the first color band. Cathode Band BLACK YELLOW Expansion Gap Absolute Maximum Ratings * Symbol Ta = 25°C unless otherwise noted Parameter Value Units VRRM Maximum Repetitive Reverse Voltage 75 V IF(AV) Average Rectified Forward Current 200 mA IFSM Non-repetitive Peak Forward Current Pulse Width = 1.0 second Pulse Width = 1.0microsecond 1.0 4.0 A A TSTG Storage Temperature Range -65 to +200 °C TJ Operating Junction Temperature -65 to +200 °C * These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. NOTES: 1. These ratings are based on a maximum juction temperature of 200 degrees C. 2. These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Thermal Characteristics Symbol Parameter Value Units PD Power Dissipation 500 mW RθJA Thermal Resistance, Junction to Ambient 350 °C/W Electrical Characteristics Symbol TC = 25°C unless otherwise noted Parameter Conditions Min. Max 75 Units VR Breakdown Voltage IR = 5µA VF Forward Voltage IF = 50mA 1 V V IR Reverse Current VR = 50V VR = 30V, TA = 150°C 50 50 nA µA CT Total Capacitance VR = 0, f = 1.0MHz 4 pF trr1 Reverse Recovery Time IF = IR = 10mA, IRR = 1mA RL = 100Ω 4 ns trr2 Reverse Recovery Time VR = 6V, IF = 10mA, IRR = 1mA RL = 100Ω 2 ns ©2004 Fairchild Semiconductor Corporation FDLL4151 Rev. B 1 www.fairchildsemi.com FDLL4151 Small Signal Diode FDLL4151 The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ ActiveArray™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ EcoSPARK™ E2CMOS™ EnSigna™ FACT™ FACT Quiet Series™ FAST® FASTr™ FPS™ FRFET™ GlobalOptoisolator™ GTO™ HiSeC™ I2C™ i-Lo™ ImpliedDisconnect™ Across the board. Around the world.™ The Power Franchise® Programmable Active Droop™ ISOPLANAR™ LittleFET™ MICROCOUPLER™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™ PACMAN™ POP™ Power247™ PowerEdge™ PowerSaver™ PowerTrench® QFET® QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ µSerDes™ SILENT SWITCHER® SMART START™ SPM™ Stealth™ SuperFET™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic® TINYOPTO™ TruTranslation™ UHC™ UltraFET® UniFET™ VCX™ DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. 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. 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, or (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, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order 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 in order 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. I14 2 FDLL4151 Rev. B www.fairchildsemi.com FDLL4151 Small Signal Diode TRADEMARKS