LS4148, LS4448 www.vishay.com Vishay Semiconductors Small Signal Fast Switching Diodes FEATURES * Silicon epitaxial planar diodes * Electrical data identical with the devices 1N4148 and 1N4448 respectively * QuadroMELF package * Material categorization: for definitions of compliance www.vishay.com/doc?99912 please see APPLICATIONS * Extremely fast switches ADDITIONAL RESOURCES 3D 3D 3D Models MECHANICAL DATA Case: QuadroMELF (SOD-80) Weight: approx. 34 mg Cathode band color: black Packaging codes / options: GS18/10K per 13" reel (8 mm tape), 10K/box GS08/2.5K per 7" reel (8 mm tape), 12.5K/box PARTS TABLE TYPE DIFFERENTIATION ORDERING CODE TYPE MARKING CIRCUIT CONFIGURATION REMARKS LS4148 VF = max. 1000 mV at IF = 50 mA LS4148-GS18 or LS4148-GS08 - Single Tape and reel LS4448 VF = max. 1000 mV at IF = 100 mA LS4448GS18 or LS4448GS08 - Single Tape and reel PART ABSOLUTE MAXIMUM RATINGS (Tamb = 25 C, unless otherwise specified) PARAMETER TEST CONDITION Repetitive peak reverse voltage Reverse voltage Peak forward surge current tp = 1 s Repetitive peak forward current Forward continuous current Average forward current VR = 0 Power dissipation SYMBOL VALUE VRRM 100 UNIT V VR 75 V IFSM 2 A IFRM 500 mA IF 300 mA IF(AV) 150 mA Ptot 500 mW THERMAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified) PARAMETER Thermal resistance junction to ambient air Junction temperature Storage temperature range TEST CONDITION SYMBOL VALUE UNIT On PC board 50 mm x 50 mm x 1.6 mm RthJA 300 K/W Tj 175 C Tstg -65 to +175 C Rev. 2.1, 25-Feb-2020 Document Number: 85561 1 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 LS4148, LS4448 www.vishay.com Vishay Semiconductors ELECTRICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified) PARAMETER Forward voltage TEST CONDITION PART SYMBOL MIN. IF = 5 mA LS4448 VF 0.620 IF = 50 mA LS4148 VF IF = 100 mA LS4448 VF TYP. MAX. UNIT 0.720 V 0.860 1 V 0.930 1 V nA VR = 20 V IR 25 VR = 20 V, Tj = 150 C IR 50 A VR = 75 V IR 5 A Breakdown voltage IR = 100 A, tp/T = 0.01, tp = 0.3 ms V(BR) Diode capacitance VR = 0, f = 1 MHz, VHF = 50 mV CD 4 pF IF = IR = 10 mA, iR = 1 mA trr 8 ns IF = 10 mA, VR = 6 V, iR = 0.1 x IR, RL = 100 trr 4 ns Reverse current Reverse recovery time 100 V TYPICAL CHARACTERISTICS (Tamb = 25 C, unless otherwise specified) 1000 1000 IR- Reverse Current (nA) IF - Forward Current (mA) LS4148 100 Scattering Limit 10 1 Tj = 25 C 0.1 0 0.4 0.8 1.2 1.6 Scattering Limit 10 1 1 2.0 Fig. 1 - Forward Current vs. Forward Voltage 10 Fig. 3 - Reverse Current vs. Reverse Voltage 1000 3.0 CD - Diode Capacitance (pF) IF - Forward Current (mA) LS4448 100 Scattering Limit 10 1 Tj = 25 C 0 0.4 0.8 1.2 1.6 f = 1 MHz Tj = 25 C 2.5 2.0 1.5 1.0 0.5 0 0.1 16642 100 VR- Reverse Voltage (V) 94 9098 VF - Forward Voltage (V) 16640 Tj = 25 C 100 0.1 2.0 VF - Forward Voltage (V) Fig. 2 - Forward Current vs. Forward Voltage 94 9099 1 10 100 VR - Reverse Voltage (V) Fig. 4 - Diode Capacitance vs. Reverse Voltage Rev. 2.1, 25-Feb-2020 Document Number: 85561 2 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 LS4148, LS4448 www.vishay.com Vishay Semiconductors PACKAGE DIMENSIONS in millimeters (inches): QuadroMELF (SOD-80) 1.6 (0.063) 1.4 (0.055) 1. 7 (0 .0 gl as 67) s Cathode identification > R3 (R0.118) glass 0.47 (0.019) max. 3.7 (0.146) 3.3 (0.130) The gap between plug and glass can be either on cathode or anode side Foot print recommendation: 2.5 (0.098) max. 2 (0.079) min. 1.25 (0.049) min. 5 (0.197) ref. 96 12071 Rev. 2.1, 25-Feb-2020 Document Number: 85561 3 For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, "Vishay"), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. 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