BYT77, BYT78 www.vishay.com Vishay Semiconductors Fast Avalanche Sinterglass Diode FEATURES Glass passivated junction Hermetically sealed package Low reverse current Soft recovery characteristics Controlled avalanche characteristics Material categorization: For definitions of compliance please see 949588 www.vishay.com/doc 99912 APPLICATIONS MECHANICAL DATA Fast soft recovery rectification diode Case: SOD-64 Terminals: plated axial leads, solderable per MIL-STD-750, method 2026 Polarity: color band denotes cathode end Mounting position: any Weight: approx. 858 mg ORDERING INFORMATION (Example) DEVICE NAME ORDERING CODE TAPED UNITS MINIMUM ORDER QUANTITY BYT78 BYT78-TR 2500 per 10 tape and reel 12 500 BYT78 BYT78-TAP 2500 per ammopack 12 500 PARTS TABLE PART TYPE DIFFERENTIATION PACKAGE BYT77 V = 800 V I = 3 A SOD-64 R F(AV) BYT78 V = 1000 V I = 3 A SOD-64 R F(AV) ABSOLUTE MAXIMUM RATINGS (T = 25 C, unless otherwise specified) amb PARAMETER TEST CONDITION PART SYMBOL VALUE UNIT BYT77 V = V 800 V Reverse voltage = repetitive peak reverse R RRM See electrical characteristics voltage BYT78 V = V 1000 V R RRM Peak forward surge current t = 10 ms, half sine wave I 100 A p FSM Average forward current T 45 C I 3A amb F(AV) Non repetitive reverse avalanche energy I = 0.4 A E 10 mJ (BR)R R Junction and storage temperature range T = T - 55 to + 175 C j stg MAXIMUM THERMAL RESISTANCE (T = 25 C, unless otherwise specified) amb PARAMETER TEST CONDITION SYMBOL VALUE UNIT Lead length l = 10 mm, T = constant R 25 K/W L thJA Junction ambient On PC board with spacing 25 mm R 70 K/W thJA Rev. 1.9, 04-Sep-12 Document Number: 86034 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 91000BYT77, BYT78 www.vishay.com Vishay Semiconductors ELECTRICAL CHARACTERISTICS (T = 25 C, unless otherwise specified) amb PARAMETER TEST CONDITION PART SYMBOL MIN. TYP. MAX. UNIT Forward voltage I = 3 A V -1 1.2 V F F V = V I -1 5 A R RRM R Reverse current V = V , T = 150 C I - 60 150 A R RRM j R Reverse recovery time I = 0.5 A, I = 1 A, i = 0.25 A t - - 250 ns F R R rr TYPICAL CHARACTERISTICS (T = 25 C, unless otherwise specified) amb 100 40 10 T = 175 C 30 j 1 T = 25 C j 20 ll 0.1 10 0.01 T = constant L 0.001 0 0 0.5 1.0 1.5 2.0 2.5 0 5 10 15 202530 16370 V - Forward Voltage (V) 949466 l - Lead Length (mm) F Fig. 1 - Max. Thermal Resistance vs. Lead Length Fig. 3 - Forward Current vs. Forward Voltage 240 3.5 V = V R RRM half sinewave 3.0 200 V RRM R = 25 K/W 2.5 thJA 160 I = 10 mm V R 2.0 120 1.5 80 R = 70 K/W thJA 1.0 R = 70 K/W PCB: d = 25 mm thJA 40 0.5 0 0 0 200 400 600 800 1000 0 20 40 60 80 100 120 140 160 180 949467 V , V - Rev./Rep. Peak Rev. Voltage (V) 16371 T - Ambient Temperature (C) R RRM amb Fig. 2 - Junction Temperature vs. Fig. 4 - Max. Average Forward Current vs. Ambient Temperature Reverse/Repetitive Peak Reverse Voltage Rev. 1.9, 04-Sep-12 Document Number: 86034 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 R - Ther. Resist. Junction/Ambient (K/W) T - Junction Temperature (C) thJA j I - Average Forward Current (A) I - Forward Current (A) FAV F