BY458, BY458.aspx?ext=

BY448, BY458
STANDARD RECOVERY RECTIFIERS
High-reliability discrete products
and engineering services since 1977
FEATURES


Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
MAXIMUM RATINGS
Parameters
Test Conditions
Reverse voltage
Peak forward surge current
Type
BY448
BY458
tp = 10ms, half sine wave
Average forward current
Non repetitive reverse avalanche
energy
I(BR)R = 0.4A
Junction temperature
Storage temperature range
Symbol
Value
1500
VR = VRRM
1200
Unit
V
IFSM
30
A
IFAV
2
A
ER
10
mJ
TJ
140
°C
TSTG
-55 to +175
°C
Junction ambient
I = 10mm, TL = constant
RthJA
45
K/W
Junction ambient
On PC board with spacing 25mm
RthJA
100
K/W
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Parameter
Forward voltage
Reverse current
Total reverse recovery time
Reverse recovery time
Test Conditions
Symbol
Maximum
Unit
IF = 3A
VF
1.6
V
VR = VRRM
IR
3
µA
VR = VRRM, TJ = 140°C
IR
140
µA
IF = 1A, -diF/dt = 0.05A/µs
trr
20
µs
IF = 0.5A, IR = 1A, IR = 0.25A
trr
2
µs
Rev. 20141212
High-reliability discrete products
and engineering services since 1977
BY448, BY458
STANDARD RECOVERY RECTIFIERS
MECHANICAL CHARACTERISTICS
Case
SOD-57
Marking
Body painted, alpha-numeric
Polarity
Cathode band
Rev. 20141212
High-reliability discrete products
and engineering services since 1977
BY448, BY458
STANDARD RECOVERY RECTIFIERS
Rev. 20141212