1N/FDLL 914/A/B / 916/A/B / 4148 / 4448 1N/FDLL 914/A/B / 916/A/B / 4148 / 4448 Small Signal Diode Absolute Maximum Ratings* Symbol TA = 25C unless otherwise noted Parameter Value Units VRRM Maximum Repetitive Reverse Voltage 100 V IF(AV) Average Rectified Forward Current 200 mA IFSM Tstg Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second Pulse Width = 1.0 microsecond Storage Temperature Range 1.0 4.0 -65 to +200 A A C TJ Operating Junction Temperature 175 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 junction 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 Characteristic Max Units 1N/FDLL 914/A/B / 4148 / 4448 PD Power Dissipation 500 mW RJA Thermal Resistance, Junction to Ambient 300 C/W 2002 Fairchild Semiconductor Corporation 1N/FDLL 914/A/B / 916/A/B / 4148 / 4448, Rev. B (continued) Electrical Characteristics Symbol TA = 25C unless otherwise noted Parameter Test Conditions VR Breakdown Voltage VF Forward Voltage IR Reverse Current CT Total Capacitance trr 1N916A/B/4448 1N914A/B/4148 Reverse Recovery Time 1N914B/4448 1N916B 1N914/916/4148 1N914A/916A 1N916B 1N914B/4448 Min IR = 100 A IR = 5.0 A IF = 5.0 mA IF = 5.0 mA IF = 10 mA IF = 20 mA IF = 20 mA IF = 100 mA VR = 20 V VR = 20 V, TA = 150C VR = 75 V Max Units 720 730 1.0 1.0 1.0 1.0 25 50 5.0 V V mV mV V V V V nA A A 2.0 4.0 4.0 pF pF ns 100 75 620 630 VR = 0, f = 1.0 MHz VR = 0, f = 1.0 MHz IF = 10 mA, VR = 6.0 V (60mA), Irr = 1.0 mA, RL = 100 Typical Characteristics 160 120 o o T a= 25 C Reverse Current, IR [nA] Reverse Voltage, VR [V] Ta=25 C 150 140 130 120 100 80 60 40 20 0 110 1 2 3 5 10 20 30 50 Reverse Current, IR [uA] 30 50 70 100 Figure 2. Reverse Current vs Reverse Voltage IR - 10 to 100 V 550 750 o o Ta= 25 C Ta= 25 C 500 Forward Voltage, VF [mV] Forward Voltage, VR [mV] 20 R everse V oltage, V R [V] GENERAL RULE: The Reverse Current of a diode will approximately double for every ten (10) Degree C increase in Temperature Figure 1. Reverse Voltage vs Reverse Current BV - 1.0 to 100 uA 450 400 350 300 250 10 100 700 650 600 550 500 450 1 2 3 5 10 20 30 50 100 Forward Current, IF [uA] Figure 3. Forward Voltage vs Forward Current VF - 1 to 100 uA 0.1 0.2 0.3 0.5 1 2 3 5 10 Forward Current, I F [m A] Figure 4. Forward Voltage vs Forward Current VF - 0.1 to 10 mA 1N/FDLL 914/A/B / 916/A/B / 4148 / 4448 Small Signal Diode (continued) Typical Characteristics (continued) 900 1.6 o Forward Voltage, VF [mV] Forward Voltage, V F [mV] Ta= 25 C 1.4 1.2 1.0 0.8 Typical 800 o Ta= -40 C 700 o Ta= 25 C 600 500 o Ta= +65 C 400 300 0.6 10 20 30 50 100 200 300 500 0.01 800 0.3 0.1 0.03 Forward Current, IF [mA] 3 1 10 Forward Current, IF [mA] Figure 5. Forward Voltage vs Forward Current VF - 10 to 800 mA 0.90 Figure 6. Forward Voltage vs Ambient Temperature VF - 0.01 - 20 mA (-40 to +65 Deg C) 4.0 o o Reverse Recovery Time, t rr [ns] TA = 25 C Ta = 25 C Total Capacitance (pF) 3.5 3.0 0.85 2.5 2.0 0.80 1.5 1.0 0.75 0 2 4 6 8 10 12 10 14 REVERSE VOLTAGE (V) 30 40 50 60 IF = 10mA - IRR = 1.0 mA - Rloop = 100 Ohms Figure 7. Total Capacitance Figure 8. Reverse Recovery Time vs Reverse Recovery Current 500 Power Dissipation, PD [mW] 500 400 Current (mA) 20 Reverse Recovery Current, Irr [mA] 400 300 DO-35 300 IF( 200 AV ) - A VE R AG E RE C D CU R RE 100 NT - mA 100 0 0 50 SOT-23 200 TIFIE 100 150 0 0 50 100 150 o Ambient Temperature ( C) Figure 9. Average Rectified Current (IF(AV)) versus Ambient Temperature (TA) o Temperature [ C] Figure 10. Power Derating Curve 200 1N/FDLL 914/A/B / 916/A/B / 4148 / 4448 Small Signal Diode TRADEMARKS 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 Bottomless CoolFET CROSSVOLT DenseTrench DOME EcoSPARK E2CMOSTM EnSignaTM FACT FACT Quiet Series FAST a FASTr FRFET GlobalOptoisolator GTO HiSeC I2C ISOPLANAR LittleFET MicroFET MicroPak MICROWIRE OPTOLOGIC a OPTOPLANAR PACMAN POP Power247 PowerTrench a QFET QS QT Optoelectronics Quiet Series SILENT SWITCHER a UHC SMART START UltraFET a SPM VCX STAR*POWER Stealth SuperSOT-3 SuperSOT-6 SuperSOT-8 SyncFET TinyLogic TruTranslation STAR*POWER is used under license 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 FAIRCHILDS 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: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. 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. H5 Product Folder - Fairchild P/N 1N4148 - High Conductance Fast Diode Fairchild Semiconductor SEARCH | Parametric | Cross Reference | space Inventory space space GO space space space space >> Find products >> Home find products space space space 1N4148 Products groups High Conductance Fast Diode Analog and Mixed Signal Contents Discrete General description | Product Interface status/pricing/packaging | Models | Logic Application notes space Microcontrollers Non-Volatile Memory spaceOptoelectronics General description Markets and applications Sourced from Process D3. New products Product selection and parametric search back to top Cross-reference search Product status/pricing/packaging buy products Request samples Dotted line How to order products Dotted line Product Change Notices (PCNs) Dotted line Support Dotted line Distributor and field sales representatives Dotted line Quality and reliability Dotted line Design tools Datasheet Download this datasheet PDF e-mail this datasheet [Espace mail] This pagePrint version Product status Pricing* Inventory check & ordering Package type Purchase DO-35 Purchase DO-35 Purchase DO-35 Leads Package marking Packing method 2 $Y 41 48 BULK 2 $Y 41 48 TAPE REEL 2 $Y 41 48 AMMO 2 $Y 41 48 AMMO technical support my Fairchild 1N4148 Application notes Related Links technical information Product Product Folders and Datasheets Full Production $0.0263 company 1N4148TR Full Production $0.0263 1N4148PA Full Production $0.0263 1N4148TA Full Production $0.0263 Purchase DO-35 * Fairchild 1,000 piece Budgetary Pricing back to top Models Package & leads Condition file:///D|/fair/html/1N4148.html (1 of 3) [10/1/02 11:51:08 AM] Temperature range Software version Revision date Product Folder - Fairchild P/N 1N4148 - High Conductance Fast Diode PSPICE DO-35-2 Electrical 25C back to top Application notes AN-4121: AN-4121 Design of Power Factor Correction Circuit Using FAN7527B (124 K) Sep 27, 2002 AN-4111: AN-4111 Fairchild Power Switch Single Chip FSDH Series for Charger and Adapter Use (1497 K) Sep 27, 2002 AN-2003: AN-2003 Flexible Thermostat with ACE1101 (116 K) Sep 27, 2002 AN-42010: AN-42010 Theory and Application of the ML4874 and ML4876 LCD Backlight Controller ICs (548 K) Sep 27, 2002 AN-4107: AN-4107 Power Factor Correction Controller (105 K) Sep 27, 2002 ABR-42021: ABR-42021 Control Interface for Standard 0 - 10VDC Dimmers (110 K) Sep 27, 2002 ABR-42022: ABR-42022 ML4833 220V Non-Dimming Ballast Design (68 K) Sep 27, 2002 AN-4102: AN-4102 A Fairchild Power Switch Based SMPS for Color Television Receivers (334 K) Sep 27, 2002 AN-42043: AN-42043 ML4803 240W Off-Line Power Supply with PFC (296 K) Sep 27, 2002 AB-18: AB-18 Using the RC5051 for a Katmai Motherboard Design (41 K) Sep 27, 2002 AN-4104: AN-4104 Forward Converter Type PC SMPS with FPS (283 K) Sep 27, 2002 AN-42001: AN-42001 Low Cost Non-Dimming 220V Ballast Design (403 K) Sep 27, 2002 AN-42025: AN-42025 Generating Fixed Frequency Sine Waves with ML2035 (193 K) Sep 27, 2002 AN-42026: AN-42026 Phase Modulated PWM Topology with the ML4818 (279 K) Sep 27, 2002 AN-42034: AN-42034 Synchronizing the ML4824 to Wide Frequency Ranges (119 K) Sep 27, 2002 AN-42038: AN-42038 Benchmarking the Performance of the ML6440 (332 K) Sep 27, 2002 AN-9013: AN-9013 Reducing Switching Losses with QFET in a Step-up Convert (88 K) Sep 27, 2002 AN-9015: AN-9015 A180W, 100KHz Forward Converter Using QFET (65 K) Sep 27, 2002 AN-9008: AN-9008 The Use of QFET in Flyback Converter (124 K) Sep 27, 2002 AN-5510: AN-5510 Evaluation Board Application Note (1133 K) Sep 27, 2002 AN-7710: AN-7710/AN-7725 Evaluation Board Application Note (1090 K) Sep 27, 2002 file:///D|/fair/html/1N4148.html (2 of 3) [10/1/02 11:51:08 AM] 6 Jan 1, 1994 Product Folder - Fairchild P/N 1N4148 - High Conductance Fast Diode AN-7720: AN-7720 Evaluation Board Application Note (246 K) Sep 27, 2002 AN-7721: AN-7721/AN-7722 Evaluation Board Application Note (401 K) Sep 27, 2002 AN-7722: AN-7721/AN-7722 Evaluation Board Application Note (401 K) Sep 27, 2002 AN-7725: AN-7710/AN-7725 Evaluation Board Application Note (1090 K) Sep 27, 2002 AN-7734: AN-7734 Evaluation Board Application Note (203 K) Sep 27, 2002 AN-7750: AN-7750/AN-7755/AN-7760 Evaluation Board Application Note (902 K) Sep 27, 2002 AN-7755: AN-7750/AN-7755/AN-7760 Evaluation Board Application Note (902 K) Sep 27, 2002 AN-7760: AN-7750/AN-7755/AN-7760 Evaluation Board Application Note (902 K) Sep 27, 2002 AN-7853: AN-7853 Evaluation Board Application Note (585 K) Sep 27, 2002 AN-7862: AN-7862 Evaluation Board Application Note (737 K) Sep 27, 2002 AN-7835: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7840: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7850: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7855: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7860: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7861: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 AN-7863: AN-7835/40/50/55/60/61/63 Evaluation Board Application Note (206 K) Sep 27, 2002 back to top space Home | Find products | Technical information | Buy products | Support | Company | Contact us | Site index | Privacy policy space (c) Copyright 2002 Fairchild Semiconductor space file:///D|/fair/html/1N4148.html (3 of 3) [10/1/02 11:51:08 AM] space