BY448 View Datasheet(PDF) - New Jersey Semiconductor
Part Name
Description
View to exact match
BY448 Datasheet PDF : 2 Pages
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20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
, -One.
TELEPHONE: (973) 376-2922
(212)227-6005
FAX: (973) 376-8960
BY448 / BY458
Standard Avalanche Sinterglass Diode
Features
• Glass passivated junction
• Hermeticallysealed package
Applications
High voltage rectification diode
Efficiency diode in horizontaldeflection circuits
Mechanical Data
Case: SOD-57 Sintered glass case
Terminals: Plated axial leads, solderableper
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
SOD-57
SOD-57
Package
Absolute Maximum Ratings
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Reverse voltage
see electrical characteristics
Peak forward surge current
Average forward current
Junction temperature
Storage temperature range
Non repetitive reverse
avalanche energy
tp = 10 ms, half sinewave
!(BR)R = °-4 A
Maximum Thermal Resistance
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Junction ambient
I = 10 mm, T|_ = constant
on PC board with spacing
25 mm
Quality Semi-Conductors
Part
Symbol
Value
Unit
BY448
VR = VRRM
1500
V
BY458
VR = VRRM
1200
V
'FSM
30
A
'FAV
2
A
TI
140
°C
Tstg
-55tO+ 175
°C
ER
10
mj
Symbol
Value
Unit
RthJA
45
K/W
RthJA
100
K/W
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