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
Pb / RoHS Free
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 : 0.929 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 = 60°C
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 5.0 Amps.
Maximum DC Reverse Current
at rated DC Blocking Voltage
Ta = 25
°C
Ta = 100
°C
SYMBOL
V
RRM
V
RMS
V
DC
I
F
I
FSM
V
F
I
R
I
R(H)
C
J
R
θ
JA
T
J
T
STG
BY550 BY550 BY550 BY550 BY550 BY550 BY550
- 50
- 100
- 200
- 400
- 600
- 800
- 1000
UNIT
V
V
V
A
A
V
μA
μA
pF
°C/W
°C
°C
50
35
50
100
70
100
200
140
200
400
280
400
5.0
300
1.1
20
50
50
18
600
420
600
800
560
800
1000
700
1000
Typical Junction Capacitance (Note1)
Typical Thermal Resistance (Note2)
Junction Temperature Range
Storage Temperature Range
Notes :
- 65 to + 175
- 65 to + 175
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0V
DC
(2) Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted.
Page 1 of 2
Rev. 03 : March 31, 2005
RATING AND CHARACTERISTIC CURVES ( BY550-50 - BY550-1000 )
FIG.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
5
300
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT, AMPERES
Ta = 25
°C
240
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
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
FIG 4 . - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,
(pF)
100
100
50
FORWARD CURRENT, AMPERES
T
J
= 25
°C
10
10
5
1.0
Pulse Width = 300
μs
2% Duty Cycle
T
J
= 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
10
Ta = 100
°C
REVERSE CURRENT,
MICROAMPERES
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, (%)
Page 2 of 2
Rev. 03 : March 31, 2005
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