Connection Diagram 4148 4148SE 3 3 3 3 5H 2 1 1 4148CC MARKING 5H MMBD4148CA D6 MMBD4148 MMBD4148CC D5 MMBD4148SE D4 SOT-23 2 1 1 2 3 3 2 1 1 4148CA 2 Small Signal Diode Absolute Maximum Ratings * TA = 25°C unless otherwise noted Symbol VRRM Parameter Maximum Repetitive Reverse Voltage Value 100 Units V IF(AV) IFSM Average Rectified Forward Current 200 mA Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second Pulse Width = 1.0 microsecond 1.0 2.0 A A -55 to +150 °C 150 °C Value 350 Units mW 357 °C/W TSTG Storage Temperature Range TJ Operating Junction Temperature * These ratings are limiting values above which the serviceability of the diode may be impaired. Thermal Characteristics Symbol PD Power Dissipation Parameter RθJA Thermal Resistance, Junction to Ambient Electrical Characteristics TA=25°C unless otherwise noted Symbol VR Parameter Breakdown Voltage Test Conditions IR = 5.0µA IR = 100µA VF Forward Voltage IF = 10mA 1.0 V IR Reverse Leakage Current VR = 20V VR = 20V, TA = 150°C VR =75V 25 50 5.0 nA µA µA CT Total Capacitance VR = 0V, f = 1.0MHz 4.0 pF trr Reverse Recovery Time IF = 10mA, VR = 6.0V, IRR = 1.0mA, RL = 100Ω 4.0 ns ©2004 Fairchild Semiconductor Corporation Min. 75 100 Max. Units V V MMBD4148/SE/CC/CA, Rev. A1 MMBD4148/SE/CC/CA MMBD4148/SE/CC/CA MMBD4148/SE/CC/CA Typical Characteristics 150 140 130 120 110 1 Ta= 25 ° C 300 Reverse Current, IR [nA] Reverse Voltage, V R [V] Ta= 25 °C 2 3 5 10 20 30 50 250 200 150 100 50 0 100 Reverse Current, IR [uA] 10 Figure 1. Reverse Voltage vs Reverse Current BV - 1.0 to 100uA 30 50 70 100 Figure 2. Reverse Current vs Reverse Voltage IR - 10 to 100 V Ta= 25 °C Ta= 25 ° C 700 Forward Voltage, VF [mV] 450 Forward Voltage, VF [mV] 20 Reverse Voltage, V R [V] 400 350 300 650 600 550 500 250 1 2 3 5 10 20 30 50 450 100 0.1 0.2 Forward Current, IF [uA] 0.3 0.5 1 2 3 5 10 Forward Current, IF [mA] Figure 3. Forward Voltage vs Forward Current VF - 1.0 to 100 uA Figure 4. Forward Voltage vs Forward Current VF - 0.1 to 10 mA 1.3 Ta= 25 ° C Ta= 25 ° C Total Capacitance [pF] Forward Voltage, VF [V] 1.4 1.2 1.0 0.8 0.6 1.2 1.1 1.0 10 20 30 50 100 200 300 500 Forw ard C urrent, I F [m A ] Figure 5. Forward Voltage vs Forward Current VF - 10 - 800 mA ©2004 Fairchild Semiconductor Corporation 0 2 4 6 8 10 12 14 R everse V oltage [V] Figure 6. Total Capacitance vs Reverse Voltage MMBD4148/SE/CC/CA, Rev. A1 (continued) 400 4.0 Ta= 25 °C 3.5 300 Current [mA] Reverse Recovery Time [nS] MMBD4148/SE/CC/CA Typical Characteristics 3.0 2.5 2.0 IF 200 (AV ) -A V 100 ER AG ER E CT IF IE 1.5 DC U RR EN Tm A 0 1.0 10 20 30 40 50 0 60 50 100 150 Ambient Temperature, T A [ ° C] Reverse Current [mA] Figure 7. Reverse Recovery Time vs Reverse Current TRR - IR 10 mA vs 60 mA Figure 8. Average Rectified Current (IF(AV)) versus Ambient Temperature (TA) Power Dissipation, PD [mW ] 500 400 DO-35 Pkg 300 SOT-23 Pkg 200 100 0 0 50 100 150 200 Average T em perature, I O [ ° C ] Figure 9. Power Derating Curve ©2004 Fairchild Semiconductor Corporation MMBD4148/SE/CC/CA, Rev. A1 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. 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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. 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: 2. A critical component is any component of a life support 1. Life support devices or systems are devices or systems device or system whose failure to perform can be which, (a) are intended for surgical implant into the body, reasonably expected to cause the failure of the life support or (b) support or sustain life, or (c) whose failure to perform device or system, or to affect its safety or effectiveness. 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. 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. ©2004 Fairchild Semiconductor Corporation Rev. I11