BY550-50 ~ BY550-1000 SILICON RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 5.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
MECHANICAL DATA :
* Case : DO-201AD Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
Method 208 guaranteed
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 1.21 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
BY550
- 50
BY550
- 100
BY550
- 200
BY550
- 400
BY550
- 600
BY550
- 800
BY550
- 1000
UNIT
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
Maximum Average Forward Current
0.375"(9.5mm) Lead Length Ta = 60°CIF5.0 Amps.
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method) IFSM 300 Amps.
Maximum Forward Voltage at IF = 5.0 Amps. VF0.95 Volts
Maximum DC Reverse Current Ta = 25 °CIR20 µA
at rated DC Blocking Voltage Ta = 100 °CIR(H) 50 µA
Typical Junction Capacitance (Note1) CJ50 pF
Typical Thermal Resistance (Note2) RθJA 18 °C/W
Junction Temperature Range TJ - 65 to + 175 °C
Storage Temperature Range TSTG - 65 to + 175 °C
Notes :
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0VDC
(2) Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted. UPDATE : MAY 27, 1998
RATING
0.21 (5.33)
0.19 (4.83)
DO - 201AD
0.375 (9.53)
0.285 (7.24)
0.052 (1.32)
0.048 (1.22)
Dimensions in inches and ( millimeters )
1.00 (25.4)
MIN.
1.00 (25.4)
MIN.
RATING AND CHARACTERISTIC CURVES ( BY550-50 - BY550-1000 )
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG 4 . - TYPICAL JUNCTION CAPACITANCE
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
4
3
2
1
5
10
1.0
240
0
300
0
180
120
60
10
80
1.0
0.01
100
0.1
100 140
0
20 40 60 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD OUTPUT CURRENT,
AMPERES
FORWARD CURRENT, AMPERES
REVERSE CURRENT, MICROAMPERES
Ta = 25 °C
Ta = 100 °C
TJ = 25 °C
Ta = 25 °C
Pulse Width = 300 µs
2% Duty Cycle
0.1
100
10
1
50
5
TJ = 25 °C
JUNCTION CAPACITANCE, (pF)
REVERSE VOLTAGE, VOLTS
1 2 4 10 20 40 100
00.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
0.01
