Dated : 17/04/2003
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
BY500-100 THRU BY500-800
SOFT RECOVERY FAST-SWITCHING PLASTIC RECTIFIERS
Reverse Voltage – 50 to 1000 Volts
Forward Current – 5.0 Ampere
Features
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
• Fast switching for high efficiency
• Construction utilizes void-free molded plastic technique
• High surge current capability
• Especially designed for applications such as switch mode
• power supplies, inverters, converters, TV scanning,
Ultrasonic-systems, speed controlled DC motors, low RF
interference and free wheeling diode circuits
Mechanical Data
• Case: Molded plastic, DO-201AD.
• Terminals: Plated axial leads, solderable per
• MIL-STD-202, method 208
• Polarity: Color band denotes cathode end.
• Mounting Position: Any.
Absolute Maximum Ratings and Characteristics @ 25
0C unless otherwise specified. Single phase, half
wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
Symbols
BY
500-50
BY
500-100
BY
500-200
BY
500-400
BY
500-600
BY
500-800
BY
500-1000
Units
Maximum repetitive peak reverse voltage
VRRM
50
100
200
400
600
800
1000
Volts
Maximum RMS voltage
VRMS
35
70
140
280
420
560
700
Volts
Maximum DC blocking voltage
VDC
50
100
200
400
600
800
1000
Volts
Average forward rectified current
at TL = 45
OC
I(AV)
5.0
Amps
Peak forward surge current
8.3mS single half sine-wave
superimposed on rated load (JEDEC method)
IFSM
200
Amps
Maximum instantaneous forward voltage
At 5.0A DC , TA = 25
oC
VF
1.35
Volts
Maximum DC reverse current
at rated DC blocking voltage
TA = 25
OC
TA = 100
OC
IR
10
1000
µA
Maximum reverse recovery time (Note 1)
Trr
200
nS
Typical junction capacitance (Note 2)
CJ
28
pF
Typical thermal resistance (Note 3)
RθJA
22
OC/W
Operating and storage temperature range
TJ ,TS
-50 to +125
OC
1
)
Reverse recovery test conditions: IF = 0.5A, IR = 1A, Irr = 0.25A
2)
Measured at 1MHZ and applied reverse voltage of 4volts
3) Thermal resistance from junction to ambient and from junction to lead at 0.375”(9.5mm) lead length P.C.B,
Mounted with 0.8x0.8”(20x20mm) copper pads.