BY448_10 Datasheet, PDF (1/4 Pages) Vishay Siliconix – Standard Avalanche Sinterglass Diode

BY448 , BY458
Vishay Semiconductors
Standard Avalanche Sinterglass Diode
949539
MECHANICAL DATA
Case: SOD-57
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
• High voltage rectification
• Efficiency diode in horizontal deflection circuits
PARTS TABLE
PART
BY448
BY458
TYPE DIFFERENTIATION
V_R = 1500 V; I_FAV = 2 A
V_R = 1200 V; I_FAV = 2 A
PACKAGE
SOD-57
SOD-57
ABSOLUTE MAXIMUM RATINGS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
PART
SYMBOL
Reverse voltage
Peak forward surge current
Average forward current
Junction temperature
Storage temperature range
Non repetitive reverse avalanche energy
See electrical characteristics
t_p = 10 ms, half sine wave
l_(BR)R = 0.4 A
BY448
BY458
V_R = V_RRM
V_R = V_RRM
I_FSM
I_FAV
T_j
T_stg
E_R
VALUE
1500
1200
30
2
140
- 55 to + 175
10
UNIT
V
V
A
A
°C
°C
mJ
MAXIMUM THERMAL RESISTANCE (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL
VALUE
Junction ambient
l = 10 mm, T_L = constant
R_thJA
45
On PC board with spacing 25 mm
R_thJA
100
UNIT
K/W
K/W
ELECTRICAL CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL MIN.
Forward voltage
Reverse current
Total reverse recovery time
Reverse recovery time
I_F = 3 A
V_F
-
V_R = V_RRM
I_R
-
V_R = V_RRM, T_j = 140 °C
I_R
-
I_F = 1 A, - dI_F/dt = 0.05 A/μs
t_rr
-
I_F = 0.5 A, I_R = 1 A, i_R = 0.25 A
t_rr
-
TYP.
-
-
-
-
-
MAX
1.6
3
140
20
2
UNIT
V
μA
μA
μs
μs
Document Number: 86006 For technical questions within your region, please contact one of the following:
Rev. 1.7, 09-Aug-10
[e-mail], [e-mail], [e-mail]
www.vishay.com
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