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 * Quadro Melf package * AEC-Q101 qualified * Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS MECHANICAL DATA * Extremely fast switches Case: QuadroMELF SOD-80 Weight: approx. 34mg 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 INTERNAL CONSTRUCTION LS4148 VF = max. 1000 mV at IF = 50 mA LS4148-GS18 or LS4148-GS08 - Single diode Tape and reel LS4448 VF = max. 1000 mV at IF = 100 mA LS4448GS18 or LS4448GS08 - Single diode Tape and reel PART REMARKS 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 mA IF 300 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 Rev. 1.9, 31-Jul-12 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 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 Reverse current TEST CONDITION PART SYMBOL MIN. IF = 5 mA LS4448 VF 620 IF = 50 mA LS4148 VF IF = 100 mA LS4448 VF TYP. MAX. UNIT 720 mV 860 1000 mV 930 1000 mV VR = 20 V IR 25 nA VR = 20 V, Tj = 150 C IR 50 A 5 A VR = 75 V IR 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 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) LS4448 IF - Forward Current (mA) 100 VR- Reverse Voltage (V) 94 9098 VF - Forward Voltage (V) 16640 Tj = 25 C 100 100 Scattering Limit 10 1 Tj = 25 C 16642 0.4 0.8 1.2 1.6 1.5 1.0 0.5 0.1 2.0 VF - Forward Voltage (V) Fig. 2 - Forward Current vs. Forward Voltage Rev. 1.9, 31-Jul-12 2.0 0 0.1 0 f = 1 MHz Tj = 25 C 2.5 94 9099 1 10 100 VR - Reverse Voltage (V) Fig. 4 - Diode Capacitance vs. Reverse Voltage 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 6 7 ) 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. 1.9, 31-Jul-12 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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