BY448 Datasheet, PDF (1/3 Pages) NXP Semiconductors – Damper diode

BY448/BY458
Standard 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
High voltage rectification diode
949539
Efficiency diode in horizontal deflection circuits
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
BY448
BY458
Type differentiation
V_R = 1500 V; I_FAV = 2 A
V_R = 1200 V; I_FAV = 2 A
SOD-57
SOD-57
Package
Absolute Maximum Ratings
T_amb = 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
t_p = 10 ms, half sinewave
I_(BR)R = 0.4 A
Maximum Thermal Resistance
T_amb = 25 °C, unless otherwise specified
Parameter
Test condition
Junction ambient
l = 10 mm, T_L = constant
on PC board with spacing
25 mm
Part
Symbol
Value
Unit
BY448
V_R = V_RRM
1500
V
BY458
V_R = V_RRM
1200
V
I_FSM
30
A
I_FAV
2
A
T_j
140
°C
T_stg
- 55 to + 175
°C
E_R
10
mJ
Symbol
Value
Unit
R_thJA
45
K/W
R_thJA
100
K/W
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