GALAXY ELECTRICAL

BL
GALAXY ELECTRICAL
BY550-50 --- BY550-1000
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 5.0 A
PLASTIC SILICON RECTIFIERS
FEATURES
Low cost
Diffused junction
DO - 27
Low leakage
Low forward voltage drop
High current capability
Easily cleaned witn Freon,Alcohol,lsopropanol
and similar solvents
The plastic material carries U/L recognition 94V-0
MECHANICAL DATA
Case:JEDEC DO-27,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Dimensions in millimeters
Polarity: Color band denotes cathode
Weight: 0.041 ounces, 1.15 grams
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
BY
550-50
BY
BY
BY
BY
BY
BY
UNITS
550-100 550-200 550-400 550-600 550-800 550-1000
Maximum recurrent peak reverse voltage
VRRM
50
100
200
400
600
800
1000
V
Maximum RMS voltage
VRMS
35
70
140
280
420
560
700
V
Maximum DC blocking voltage
VDC
50
100
200
400
600
800
1000
V
Maximum average forw ard rectified current
9.5mm lead length,
@TA=75
IF(AV)
5.0
A
IFSM
300.0
A
VF
1.1
V
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@TJ=125
Maximum instantaneous forw ard voltage
@ 5.0 A
Maximum reverse current
@TA=25
at rated DC blocking voltage @TA=100
10.0
IR
Typical junction capacitance
(Note1)
CJ
80
Typical thermal resistance
(Note2)
RθJA
15
TJ
- 55 ---- + 150
TSTG
- 55 ---- + 150
Operating junction temperature range
Storage temperature range
A
100.0
NOTE: 1. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
pF
/W
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2. Thermal resistance f rom junction to ambient.
Document Number 0260031
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
BY550-50 --- BY550-1000
FIG.2 -- TYPICAL FORWARD DERATING CURVE
AVERAGE FORWARD CURRENT
AMPERES
10
TJ=250 C
Pulse Width
=300us
0.1
.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.5
1.25
1.0
0.75
Single Phase
Half Wave 60H Z
Resistive or
Inductive Load
0.5
0.25
0
25
50
75
100 125
150
175
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.3 -- PEAK FORWARD SURGE CURRENT
FIG.4--TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,PF
AMPERES
1.0
PEAK FORWARD SURGE CURRENT
AMPERES
INSTANTANEOUS FORWARD CURRENT
FIG.1 -- TYPICAL FORWARD CHARACTERISTICS
450
400
TJ=125
8.3ms Single Half
Sine-Wave
350
300
250
200
150
100
50
1
2
4
8 10
20
40 60 80 100
1000
600
400
TJ=25
200
100
40
20
10
.1
NUMBER OF CYCLES AT 60Hz
.2
.4
1.0
2
4
10
20
40
100
REVERSE VOLTAGE,VOLTS
www.galaxycn.com
Document Number 0260031
BLGALAXY ELECTRICAL
2.