GALAXY ELECTRICAL
FEATURES
Low c o st
Low leakage
Low f orwar d volt age drop
High cur r ent c apabilit y
MECHANICAL DATA
Case : J E DEC DO-27,molded plastic
Terminals: Axial lead ,solder able per
MI L- STD-202,Met hod 208
P olar ity: Color band denotes cathode
W eight : 0. 041 ounces, 1.15 grams
Mounting position: Any
M AXI MUM RA T ING S AND ELECTRI CAL CHARACTERISTICS
Ratings at 25 ambient temperat ur e unless ot her wise specified.
Single phase,half wave, 60 Hz, r esist ive or inductive load. For capac it ive load, der ate by 20%.
BY
253 BY
254 BY
255 UNITS
Maximum recurrent peak reverse voltag e VRRM 600 800 1300 V
Maximum RMS voltage VRMS 420 560 910 V
Maximum DC blocking voltage VDC 600 800 1300 V
Maximum average forward rectified c urrent
9.5mm lead length, @T A=75
Peak forward surge current
8.3ms single half-sine-wave
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ 3.0 A
VF
V
Maximum reverse current @T A=25
at rated DC blocking voltag e @TA=100
Typical junction capacitance (N o te 1) CJ
p F
Typical thermal resistance (Note2) RθJA /W
Operating junction temperature range
TJ
Storage temperature range TSTG
35
BY
251 BY
252
200 400
1.1
20
2. Therma l res i s t ance from j unc t ion t o am b ient .
A
BY251(Z) - - - BY255(Z)
A
10.0
and similar solvents
IF(AV) 3.0
PLASTIC SI LICON RECTI FIER
T he plasti c mat er ial car r ies U/ L rec ognit ion 94V-0
A
100.0
100.0
IFSM
N OTE: 1. Meas ured at 1. 0MH z and applied revers e vol tag e o f 4. 0V D C .
- 55 ---- + 150
- 55 ---- + 150
IR
400
280
VOLTAGE RANGE: 20 0 --- 1300 V
CURRENT: 3.0 A
140
200
Dif fused junc t ion
Easily cleaned wit n F r eon,Alcohol,lsopropanol
DO - 27
www.galaxycn.com
BL
BLGALAXY ELECTRICAL
Document Number 0260014 1.
124 108 20 40 60 80 100
0
T J=125℃
8.3ms Single Half
S in e - Wave
100
.2
2
1.1
4
.4 1.0 2
40
10
20
60
100
4102040100
f=1MHz
TJ=25
TJ=25
Pulse Width=300uS
10
4
2
0.6 0.8 1.0 1.2 1.4 1.6
100
1.0
0.4
0.2
0.1
0.06
0.04
0.02
0.01
50
Single Phase
Half Wave 60HZ
Resistive or
Inductive Load
0
0 25
1
2
3
4
75 100 150125
BL GALAXY ELECTRICAL
www.galaxycn.com
Document Number 0260014 2.
AMPERES
AMPERES
AMPERES
JUNCTION CAPACITANCE,pF
NUMBER OF CYCLES AT 60Hz
SURGE CURRENT
AVERAGE FORWARD CURRENT
PEAK FORWARD SURGE CURRENT INSTANTANEOUS FORWARD CURRENT,
FIG.3 -- MAXIMUM NON-REPETITIVE FORWARD FIG.4 -- TYPICAL JUNCTION CAPACITANCE
RE VERSE VOLTAGE, VOLTS
BY251(Z)- - -BY255(Z)
FORWARD VOLTAGE, VOLTS AMBIENT TEMPE RATURE,
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- TYPICAL FORWARD CHARACTERISTICS FIG.2 -- TYPICAL CURRENT DERATING CURVE
100
.01
0.1
1.0
10
40
0
20
60
80 100
120
140
TJ=125 C
0
0
TJ=125 C
BY251(Z) - - - BY255(Z)
RATINGS AND CHARACTERISTIC CURVES
FIG.5 -- TYPICAL REVERSE CHARACTERISTICS
REVERSE LEAKAGE CURRENT, MICRO AMPERES
PERCENT OF RATED PEAK REVERASE VOLTAGE, %
Document Number 0260014
www.galaxycn.com
3.
BLGALAXY ELECTRICAL
