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BY203-12S_10 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Fast Avalanche Sinterglass Diode
BY203-12S, BY203-16S, BY203-20S
Vishay Semiconductors
Fast Avalanche Sinterglass Diode
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
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
APPLICATIONS
• Fast rectification and switching avalanche sinterglass
diode for TV-line output circuits an switch mode power
supply
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
PACKAGE
SOD-57
SOD-57
SOD-57
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
Reverse voltage = repetitive peak
reverse voltage
Peak forward surge current
Average forward current
Non repetitive reverse avalanche
energy
lR = 100 μA
tp = 10 ms, half sine wave
I(BR)R = 0.4 A
BY203-12S
BY203-16S
BY203-20S
VR = VRRM
VR = VRRM
VR = VRRM
IFSM
IFAV
ER
Junction temperature range
Tj
Storage temperature range
Tstg
VALUE
1200
1600
2000
20
250
10
- 55 to + 150
- 55 to + 175
UNIT
V
V
V
A
mA
mJ
°C
°C
MAXIMUM THERMAL RESISTANCE (Tamb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
VALUE
Junction ambient
Lead length l = 10 mm, TL = constant
RthJA
45
Maximum lead lenght
RthJA
100
UNIT
K/W
K/W
Document Number: 86002 For technical questions within your region, please contact one of the following:
Rev. 1.8, 30-Jul-10
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
www.vishay.com
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