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BYW178 Datasheet, PDF (1/2 Pages) Vishay Siliconix – Very Fast Silicon Mesa Rectifier
Features
· Glass passivated junction
· Low reverse current
· Soft recovery characteristics
· Very fast reverse recovery time
· Low reverse recovery peak current
Mechanical Data
· Case:DO-201ADsintered glass case
· Terminal: Plated axial leads solderable per MIL-STD 202E,
method 208C
· Polarity: color band denotes cathode end
· Mounting position: any
BYW178
3.0A Axial Leaded Sintered Glass Junction
Fast Avalanche Rectifier
A
B
A
C
D
DO-201AD
Dim
Min
Max
A
25.40
¾
B
7.20
9.50
C
1.20
1.30
D
4.80
5.30
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @ TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
SYMBOL
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC blocking Voltage
Reverse Breakdown Voltage at IR =0. 1mA
Maximum Average Forward Rectified Current
VRRM
VRMS
VDC
V(BR)R
IF(AV)
Peak Forward Surge Current at tp=10ms half sinewave
IFSM
Maximum Forward Voltage at rated Forward Current and
25°C
VF
Maximum DC Reverse Current
at rated DC blocking voltage
Tj = 25°C
Tj = 100°C
IR
Maximum Reverse Recovery Time
(Note 1)
Trr
Typical Thermal Resistance
(Note 2) Rth(ja)
Storage and Operating Junction Temperature
Tstg, Tj
Note:
1. Reverse Recovery Condition IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. on PC board with spacing 37.5mm
BYW178
800
560
800
1100min
3.0
80
1.90
1.0
20
50
70
-55 to +175
1 of 2
units
V
V
V
V
A
A
V
µA
µA
nS
K/W
℃