BY448_15 Datasheet, PDF (1/5 Pages) Vishay Siliconix – Standard Avalanche Sinterglass Diode

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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
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
APPLICATIONS
• High voltage rectification
• Efficiency diode in horizontal deflection circuits
ORDERING INFORMATION (Example)
DEVICE NAME
ORDERING CODE
BY458
BY458TR
BY458
BY458TAP
TAPED UNITS
5000 per 10" tape and reel
5000 per ammopack
MINIMUM ORDER QUANTITY
25 000
25 000
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
See electrical characteristics
t_p = 10 ms, half sine wave
BY448
BY458
V_R = V_RRM
V_R = V_RRM
I_FSM
I_FAV
Junction temperature
T_j
Storage temperature range
T_stg
Non repetitive reverse avalanche energy
l_(BR)R = 0.4 A
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
Rev. 1.8, 27-Aug-12
1
Document Number: 86006
For technical questions within your region: [e-mail], [e-mail], [e-mail]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000