86002| Datasheet

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BY203-12S / 16S / 20S
Vishay Semiconductors

Fast Avalanche Sinterglass Diode

Features
Glass passivated junction Hermetically sealed package e2 Lead (Pb)-free component Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC

Applications
Fast rectification and switching avalanche sinterglass diode for TV-line output circuits and switch mode power supply
949539

Mechanical Data
Case: SOD-57 Sintered glass case 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 BY203-12S BY203-16S BY203-20S Type differentiation VR = 1200 V; IFAV = 250 mA VR = 1600 V; IFAV = 250 mA VR = 2000 V; IFAV = 250 mA SOD-57 SOD-57 SOD-57 Package

Absolute Maximum Ratings
Tamb = 25 C, unless otherwise specified Parameter Reverse voltage = Repetitive peak reverse voltage Test condition IR = 100 uA Part BY203-12S BY203-16S BY203-20S Average forward current Peak forward surge current Junction temperature range Storage temperature range Non repetitive reverse avalanche energy I(BR)R = 0.4 A tp = 10 ms half sinewave Symbol VR = VRRM VR = VRRM VR = VRRM IFAV IFSM Tj Tstg ER Value 1200 1600 2000 250 20 -55 to +150 -55 to +175 10 Unit V V V mA A C C mJ

Maximum Thermal Resistance
Tamb = 25 C, unless otherwise specified Parameter Junction ambient Test condition l = 10 mm, TL = constant maximum lead length Symbol RthJA RthJA Value 45 100 Unit K/W K/W

Document Number 86002 Rev. 1.7, 13-Apr-05

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