BYV37, BYV38 Vishay Semiconductors Fast Avalanche Sinterglass Diode FEATURES • Glass passivated junction • Hermetically sealed package • Low reverse current • Soft recovery characteristics • Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC 949539 • Halogen-free according to IEC 61249-2-21 definition MECHANICAL DATA APPLICATIONS Case: SOD-57 • Fast “soft recovery” rectification diode Terminals: plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: color band denotes cathode end Mounting position: any Weight: approx. 369 mg PARTS TABLE PART TYPE DIFFERENTIATION PACKAGE BYV37 VR = 800 V; IFAV = 2 A SOD-57 BYV38 VR = 1000 V; IFAV = 2 A SOD-57 ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified) PARAMETER TEST CONDITION Reverse voltage See electrical characteristics Peak forward surge current PART SYMBOL VALUE UNIT BYV37 VR = VRRM 800 V BYV38 VR = VRRM 1000 V IFSM 50 A IFAV 2 A ER 10 mJ Tj = Tstg - 55 to + 175 °C tp = 10 ms, half sine wave Average forward current Non repetitive reverse avalanche energy I(BR)R = 0.4 A Junction and storage temperature range MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified) PARAMETER Junction ambient TEST CONDITION SYMBOL VALUE Lead length l = 10 mm, TL = constant RthJA 45 UNIT K/W On PC board with spacing 25 mm RthJA 100 K/W ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) PARAMETER Forward voltage Reverse current Reverse recovery time Diode capacitance www.vishay.com 128 TEST CONDITION SYMBOL MIN. TYP. MAX. IF = 1 A PART VF - 1 1.1 UNIT V VR = VRRM IR - - 5 μA μA VR = VRRM, Tj = 150 °C IR - - 150 IF = 0.5 A, IR = 1 A, iR = 0.25 A trr - - 300 ns VR = 4 V, f = 1 MHz CD - 15 - pF For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Document Number: 86045 Rev. 1.7, 31-Mar-10 BYV37, BYV38 Fast Avalanche Sinterglass Diode Vishay Semiconductors 10 120 100 IF - Forward Current (A) RthJA - Ther. Resist. Junction/Ambient (K/W) TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) 80 60 l l 40 Tj = 25 °C 0.1 0.01 20 TL = constant 0.001 0 0 5 10 15 20 25 0 30 l - Lead Length (mm) 949552 0.4 0.8 1.2 1.6 Fig. 4 - Forward Current vs. Forward Voltage 2.5 IFAV - Average Forward Current (A) 500 VR = VRRM 450 400 350 RthJA = 45 K/W 300 250 100 K/W 200 160 K/W 150 100 BYV38 50 BYV37 VR = VRRM half sinewave 2.0 RthJA ≤ 45 K/W I = 10 mm 1.5 1.0 RthJA ≤ 100 K/W PCB: d = 25 mm 0.5 0 0 25 50 75 100 125 150 0 175 Tj - Junction Temperature (°C) 15774 20 40 60 80 100 120 140 160 180 Tamb - Ambient Temperature (°C) 16344 Fig. 2 - Max. Reverse Power Dissipation vs. Junction Temperature Fig. 5 - Max. Average Forward Current vs. Ambient Temperature 35 1000 f = 1 MHz CD - Diode Capacitance (pF) IR - Reverse Current (A) VR = VRRM 100 10 1 25 15775 2.0 VF - Forward Voltage (V) 16343 Fig. 1 - Max. Thermal Resistance vs. Lead Length PR - Reverse Power Dissipation (mW) Tj = 175 °C 1 50 75 100 125 150 25 20 15 10 Tj - Junction Temperature (°C) 5 0 0.1 175 Fig. 3 - Max. Reverse Current vs. Junction Temperature Document Number: 86045 Rev. 1.7, 31-Mar-10 30 15776 1 10 100 VR - Reverse Voltage (V) Fig. 6 - Typ. Diode Capacitance vs. Reverse Voltage For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] www.vishay.com 129 BYV37, BYV38 Vishay Semiconductors Fast Avalanche Sinterglass Diode 3.6 (0.142) max. 0.82 (0.032) max. PACKAGE DIMENSIONS in millimeters (inches): SOD-57 26 (1.024) min. 4 (0.157) max. 26 (1.024) min. 20543 www.vishay.com 130 For technical questions within your region, please contact one of the following: [email protected], [email protected], [email protected] Document Number: 86045 Rev. 1.7, 31-Mar-10 Legal Disclaimer Notice 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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