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
Typical Thermal Resistance (Note2)
Junction Temperature Range
Storage Temperature Range
Notes :
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0V
DC
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
- 50
- 100
- 200
- 400
- 600
- 800
BY550
- 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
Ta = 25
°C
Ta = 100
°C
Typical Junction Capacitance (Note1)
- 65 to + 175
- 65 to + 175
(2) Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted.
Page 1 of 2
Rev. 02 : March 25, 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
REVERSE CURRENT,
MICROAMPERES
FORWARD VOLTAGE, VOLTS
Ta = 100
°C
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. 02 : March 25, 2005
