RL251 thru RL257
PLASTIC SILICON RECTIFIERS REVERSE VOLTAGE - 50 to 1000 Volts FORWARD CURRENT - 2.5 Amperes R- 3
FEATURES
● Low cost ● Diffused junction ● Low forward voltage drop ● Low reverse leakage current ● High current capability ● The plastic material carries UL recognition 94V-0
1.0(25.4) MIN
.042(1.07) .038(0.97)
.171(4.35) .156(3.95) .157(4.0) .142(3.6)
MECHANICAL DATA
●Case: JEDEC R-3 molded plastic ●Polarity: Color band denotes cathode ●Weight: 0.021 ounces , 0.58 grams ●Mounting position: Any
1.0(25.4) MIN
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified. Single phase, half wave ,60Hz, resistive or inductive load. For capacitive load, derate current by 20%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3ms Single Half Sine-Wave Super Imposed on Rated Load(JEDEC Method) Maximum Peak Forward Voltage at 2.5A DC Maximum DC Reverse Current at Rated DC Blocking Voltage Typical Junction Capacitance (Note1) Typical Thermal Resistance (Note2) Operating Temperature Range Storage Temperature Range @TJ=25℃ @TJ=100℃ @TA =70 ℃
SYMBOL VRRM VRMS VDC I(AV)
RL251 50 35 50
RL252 100 70 100
RL253 200 140 200
RL254 400 280 400 2.5
RL255 600 420 600
RL256 800 560 800
RL257 1000 700 1000
UNIT V V V A
IFSM VF IR CJ RθJA TJ TSTG
90 1.1 5.0 50 25 30 -55 to +125 -55 to +125
A V uA pF ℃/W ℃ ℃
NOTES:1.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 2.Thermal resistance junction of ambient.
~ 13 ~
RATING AND CHARACTERTIC CURVES RL251 thru RL257
FIG. 1 – FORWARD CURRENT DERATING CURVE 2.5 AVERAGE FORWARD CURRENT (AMPERES) PEAK FORWARD SURGE CURRENT (AMPERES)
SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD
FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT 120
2.0
90
1.5
PULSE WIDTH 8.3ms SINGLE HALF-SINE-WAVE (JEDEC METHOD)
60
1.0
0.5
30
0 25 50 75 100 125 150 175
0 1 2 4 10 20 40 100
AMBIENT TEMPERATURE ()
NUMBER OF CYCLES AT 60Hz
FIG.3 – TYPICAL JUNCTION CAPACITANCE 100 60 40 CAPACITANCE (pF) INSTANTANEOUS FORWARD CURRENT,(A) 10
FIG.4-TYPICAL FORWARD CHARACTERISTICS
20
1.0 TJ = 25°C
10
0.1
4
TJ = 25°C f = 1 MHz
PULSE WIDTH 300us
2 1 .1 .2 .4 1.0 2 4 20 40 100
0.01 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
REVERSE VOLTAGE,VOLTS
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
~ 14 ~
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