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BY448 Datasheet

(BY448 / BY458) Standard Avalanche Sinterglass Diode

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BY448/BY458
Standard Avalanche Sinterglass Diode
Features
• Glass passivated junction
• Hermetically sealed package
• Lead (Pb)-free component
e2
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
Applications
High voltage rectification diode
Efficiency diode in horizontal deflection circuits
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
BY448
Part
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
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
on PC board with spacing
25 mm
Part
BY448
BY458
Symbol
VR = VRRM
VR = VRRM
IFSM
IFAV
Tj
Tstg
ER
Value
1500
1200
30
2
140
- 55 to + 175
10
Unit
V
V
A
A
°C
°C
mJ
Symbol
RthJA
RthJA
Value
45
100
Unit
K/W
K/W
http://www.luguang.cn
mail:lge@luguang.cn
http://www.Datasheet4U.com




LGE

BY448 Datasheet Preview

BY448 Datasheet

(BY448 / BY458) Standard Avalanche Sinterglass Diode

No Preview Available !

BY448/BY458
Standard Avalanche Sinterglass Diode
Electrical Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter
Test condition
Forward voltage
Reverse current
Total reverse recovery time
Reverse recovery time
IF = 3 A
VR = VRRM
VR = VRRM, Tj = 140 °C
IF = 1 A, - diF/dt = 0.05 A/µs
IF = 0.5 A, IR = 1 A, iR = 0,25 A
Symbol
VF
IR
IR
trr
trr
Min
Typ.
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
Max
1.6
3
140
20
2
Unit
V
µA
µA
µs
µs
120
ll
100
80
60 TL= constant
40
20
0
0
94 9101
5 10 15 20 25
l - Lead Length ( mm )
30
Figure 1. Typ. Thermal Resistance vs. Lead Length
2.5
VR = VRRM
half sinewave
2.0 RthJA = 45 K/W
l = 10 mm
1.5
1.0
0.5
0
0
16418
RthJA = 100 K/W
PCB: d = 25 mm
25 50 75 100 125
Tamb - Ambient Temperature ( ° C )
150
Figure 3. Max. Average Forward Current vs. Ambient Temperature
100
10 Tj = 150° C
1
Tj =25 °C
0.1
0.01
0.001
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
16417
VF - Forward V oltage ( V )
Figure 2. Forward Current vs. Forward Voltage
1000
VR = VRRM
100
10
1
25
16419
50 75 100 125
Tj - Junction T emperature ( ° C )
150
Figure 4. Reverse Current vs. Junction Temperature
http://www.luguang.cn
mail:lge@luguang.cn
http://www.Datasheet4U.com


Part Number BY448
Description (BY448 / BY458) Standard Avalanche Sinterglass Diode
Maker LGE
Total Page 3 Pages
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