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BY203-12S Datasheet, PDF (1/5 Pages) Vishay Siliconix – Fast Avalanche Sinterglass Diode
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
949539
diode for TV-line output circuits and switch mode
power supply
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
Test condition
Reverse voltage = Repetitive
peak reverse voltage
IR = 100 µA
Average forward current
Peak forward surge current
Junction temperature range
Storage temperature range
Non repetitive reverse
avalanche energy
tp = 10 ms half sinewave
I(BR)R = 0.4 A
Maximum Thermal Resistance
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Junction ambient
l = 10 mm, TL = constant
maximum lead length
Document Number 86002
Rev. 1.7, 13-Apr-05
Part
Symbol
Value
Unit
BY203-12S
VR = VRRM
1200
V
BY203-16S
VR = VRRM
1600
V
BY203-20S
VR = VRRM
2000
V
IFAV
250
mA
IFSM
20
A
Tj
-55 to +150
°C
Tstg
-55 to +175
°C
ER
10
mJ
Symbol
RthJA
RthJA
Value
45
100
Unit
K/W
K/W
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