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BY550-50 ~ BY550-1000
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
SILICON RECTIFIER DIODES
DO - 201AD
0.21 (5.33) 0.19 (4.83)
1.00 (25.4) MIN.
0.375 (9.53) 0.285 (7.24)
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
0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN.
Dimensions in inches and ( millimeters )
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%.
RATING Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 60C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 5.0 Amps. Maximum DC Reverse Current at rated DC Blocking Voltage Ta = 25 C Ta = 100 C
SYMBOL VRRM VRMS VDC IF
BY550 BY550 BY550 BY550 BY550 BY550 BY550 - 50 - 100 - 200 - 400 - 600 - 800 - 1000
UNIT Volts Volts Volts Amps.
50 35 50
100 70 100
200 140 200
400 280 400 5.0
600 420 600
800 560 800
1000 700 1000
IFSM VF IR IR(H) CJ RJA TJ TSTG
300 0.95 20 50 50 18 - 65 to + 175 - 65 to + 175
Amps. Volts A A pF C/W C C
Typical Junction Capacitance (Note1) Typical Thermal Resistance (Note2) Junction Temperature Range Storage Temperature Range 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 AND CHARACTERISTIC CURVES ( BY550-50 - BY550-1000 )
AVERAGE FORWARD OUTPUT CURRENT, AMPERES
PEAK FORWARD SURGE CURRENT, AMPERES
FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT
5
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
300
Ta = 25 C
240
4
3
180
2
120
1
60
0
0
25
50
75
100
125
150
175
0
1
2
4
6
10
20
40
60
100
AMBIENT TEMPERATURE, ( C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS JUNCTION CAPACITANCE, (pF)
FIG 4 . - TYPICAL JUNCTION CAPACITANCE
100
100 50
TJ = 25 C
FORWARD CURRENT, AMPERES
10
10 5
1.0
Pulse Width = 300 s 2% Duty Cycle TJ = 25 C
1 1 2 4 10 20 40 100
REVERSE VOLTAGE, VOLTS
0.1
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
REVERSE CURRENT, MICROAMPERES
10
Ta = 100 C
FORWARD VOLTAGE, VOLTS
1.0
0.1
Ta = 25 C
0.01 0 20 40 60 80 100 120 140
PERCENT OF RATED REVERSE VOLTAGE, (%)

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