BY448_10

BY448 , BY458 Vishay Semiconductors Standard Avalanche Sinterglass Diode FEATURES • Glass passivated junction • Hermetically sealed package • Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC • Halogen-free according to IEC 61249-2-21 definition 949539 APPLICATIONS • High voltage rectification • Efficiency diode in horizontal deflection circuits MECHANICAL DATA Case: SOD-57 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 BY448 BY458 TYPE DIFFERENTIATION VR = 1500 V; IFAV = 2 A VR = 1200 V; IFAV = 2 A PACKAGE SOD-57 SOD-57 ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified) PARAMETER Reverse voltage Peak forward surge current Average forward current Junction temperature Storage temperature range Non repetitive reverse avalanche energy l(BR)R = 0.4 A TEST CONDITION See electrical characteristics tp = 10 ms, half sine wave PART BY448 BY458 SYMBOL VR = VRRM VR = VRRM IFSM IFAV Tj Tstg ER VALUE 1500 1200 30 2 140 - 55 to + 175 10 UNIT V V A A °C °C mJ MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified) PARAMETER Junction ambient TEST CONDITION l = 10 mm, TL = constant On PC board with spacing 25 mm SYMBOL RthJA RthJA VALUE 45 100 UNIT K/W K/W ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) PARAMETER Forward voltage Reverse current Total reverse recovery time Reverse recovery time TEST CONDITION IF = 3 A VR = VRRM VR = VRRM, Tj = 140 °C IF = 1 A, - dIF/dt = 0.05 A/μs IF = 0.5 A, IR = 1 A, iR = 0.25 A SYMBOL VF IR IR trr trr MIN. TYP. MAX 1.6 3 140 20 2 UNIT V μA μA μs μs Document Number: 86006 Rev. 1.7, 09-Aug-10 For technical questions within your region, please contact one of the following: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com www.vishay.com 147 BY448 , BY458 Vishay Semiconductors Standard Avalanche Sinterglass Diode TYPICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified) RthJA - Ther. Resist. Junction/Ambient (K/W) 120 l 100 l VR = VRRM 1000 IR - Reverse Current (μA) 15 20 25 30 80 TL = constant 60 40 20 0 0 949101 100 10 1 5 10 16419 25 50 75 100 125 150 l - Lead Length (mm) Tj - Junction Temperature (°C) Fig. 1 - Typ. Thermal Resistance vs. Lead Length Fig. 4 - Reverse Current vs. Junction Temperature PR - Reverse Power Dissipation (mW) 100 Tj = 150 °C 400 VR = VRRM 350 300 250 200 150 100 50 0 25 50 75 100 125 150 PR - Limit at 80 % VR PR - Limit at 100 % VR IF - Forward Current (A) 10 1 Tj = 25 °C 0.1 0.01 0.001 0 16417 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 16420 VF - Forward Voltage (V) Tj - Junction Temperature (°C) Fig. 2 - Forward Current vs. Forward Voltage Fig. 5 - Max. Reverse Power Dissipation vs. Junction Temperature 2.5 35 VR = VRRM IFAV - Average Forward Current (A) f = 1 MHz 2.0 CD - Diode Capacitance (pF) 150 16421 half sine wave RthJA = 45 K/W l = 10 mm 30 25 20 15 10 5 0 1.5 1.0 0.5 RthJA = 100 K/W PCB: d = 25 mm 0 0 16418 25 50 75 100 125 0.1 1 10 100 Tamb - Ambient Temperature (°C) VR - Reverse Voltage (V) Fig. 3 - Max. Average Forward Current vs. Ambient Temperature Fig. 6 - Diode Capacitance vs. Reverse Voltage www.vishay.com 148 For technical questions within your region, please contact one of the following: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Document Number: 86006 Rev. 1.7, 09-Aug-10 BY448 , BY458 Standard Avalanche Sinterglass Diode PACKAGE DIMENSIONS in millimeters (inches): SOD-57 0.82 (0.032) max. 26 (1.024) min. 4 (0.157) max. 26 (1.024) min. Vishay Semiconductors Document Number: 86006 Rev. 1.7, 09-Aug-10 3.6 (0.142) max. 20543 For technical questions within your region, please contact one of the following: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com www.vishay.com 149 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. 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No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 11-Mar-11 www.vishay.com 1