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DATA SHEET BY251 thru BY255
MEDIUM CURRENT PLASTIC RECTIFIER CURRENT VOLTAGE 200 to 1300 Volts
FEATURES
* High current capability. * Plastic package has Underwriters Laboratories Flammability Classification 94V-O * Void-free Plastic in DO-201AD package. * Exceeds environmental standards of MIL-S-19500/228 * Low leakage .
.375(9.5) .285(7.2) 1.0(25.4)MIN.
.052(1.3) .048(1.2)
3.0 Amperes
DO-201AD
Unit: inch(mm)
* Hing current operation of 3Amperes at TA=95C with no thermal runaway.
MECHANICALDATA
Terminals: Axial leads, solderable to MIL-STD-202,Method 208 Polarity: Color Band denotes cathode end Mounting Position: Any Weight: 0.04 ounce, 1.1 grams
1.0(25.4)MIN.
Case: Molded plastic, DO-201AD
.210(5.3) .188(4.8)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified. Resistive or inductive load, 60Hz.
PAR AMETER Maxi mum Recurrent Peak Reverse Voltage Maxi mum RMS Voltage Maxi mum D C Blocki ng Voltage Maxi mum Average Forward C urrent .375"(9.5mm) lead length at TA=95 O C Peak Forward Surge C urrent : 8.3ms si ngle half si ne-wave superi mposed on rated load(JED EC method) Maxi mum Forward Voltage TJ=25OC at 3.0A Maxi mum D C Reverse C urrent at TA=25OC Rated D C Blocki ng Voltage TA=100O C Typi cal Juncti on capaci tance (Note 1) Typi cal Thermal Resi stance(Note 2) Operati ng Juncti on and Storage Temperature Range SYMB OL VRRM VRMS VDC IAV IFSM VF B Y251 200 140 200 B Y252 400 280 400 B Y253 600 420 600 3.0 100 1.1 B Y254 800 560 800 B Y255 1300 910 1300 U N ITS V V V A A V
.
IR
5.0 1000 40 15 -55 to +150
O
uA
CJ RJA TJ,TSTG
pF C/W
O
C
NOTES: 1. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 2.Thermal resistance from junction to ambient.
STAD-JAN.14.2004
PAGE . 1
INSTANTANEOUS REVERSE CURRENT, mA
RATING AND CHARACTERISTIC CURVES
8.0
10
TA=100 C
O
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
7.0
1.0
6.0
5.0
4.0
3.0
0.1
TA=25 C
O
2.0
1.0
TA=AMBIENT TEMPERATURE 0.375"(9.5mm) LEAD LENGTHTS P.C. BOARD MOUNTING RESISTIVE OR INDUCTIVE LOAD
0
0
25
50
75
100
125
150
175
200
0.01
0
20
40
60
80
100
120
140
AMBIENT TEMPERATURE, C
O
PERCENT OF RATED PEAK REVERSE VOLTAGE
FORWARD DERATING CURVE
TYPICAL REVERSE CHARACTERISTICS
100
100
JUNCTION CAPACITANCE, pF
10
10
MAXIMUM FORWARD CURRENT-1FM(Apk)
1.0
0.1
1
.1
10
100
REVERSE VOLTAGE, VOLTS
TYPICAL JUNCTION CAPACITANCE
120
0 .01 0.6
0.8
1.0
1.2
1.4
1.6
1.8
FORWARD SURGE CURRENT, Apk AMPERES
8.3ms Single Half Since-Wave JEDEC Method
100
MAXIMUM FORWARD VOLTAGE,VOLTS
TYPICAL FORWARD CHARACTERISTICS
80
60
40
20
0
1
10
100
NUMBER OF CYCLES AT 60HZ
MAXIMUM OVEROLAD SURGE CURRENT
STAD-JAN.14.2004
PAGE . 2

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