RL251 - RL257 SILICON RECTIFIER DIODES
PRV : 50 - 1000 Volts
Io : 2.5 Am
p
eres
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Pb / RoHS Free
MECHANICAL DATA
:
* Case : D2A 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 : 0.645 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratin
g
at 25 °C ambient temperature unless otherwise specified.
SYMBOL RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNIT
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 Forward Current at Ta = 75 °C IF(AV) A
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at IF = 2.5 A VF1.1 V
Maximum DC Reverse Current Ta = 25 °C IR5μA
at rated DC Blocking Voltage Ta = 100 °C IR(H) 50 μA
Typical Junction Capacitance (Note 1) CJ35 pF
Typical Thermal Resistance RӨJA 35 °C/W
Operation Junction and Storage Temperature Range TJ, TSTG - 65 to + 175 °C
Note :
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2 Rev. 00 : June 20, 2007
RATING
A
2.5
IFSM 150
D2A
0.040 (1.02)
0.0385 (0.98)
1.00 (25.4)
MIN.
0.161 (4.1)
0.154 (3.9)
0.284 (7.2)
0.268 (6.8)
1.00 (25.4)
MIN.
Dimensions in inches and ( millimeters )
Certificate TH97/10561QM Certificate TW00/17276EM
RATING AND CHARACTERISTIC CURVES (RL251 - RL257)
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 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 REVERSE CHARACTERISTICS
0.6 0.8 1.0 1.2 1.4 0 20 40 60 80 100 120 140
Page 2 of 2 Rev. 00 : June 20, 2007
Single phase half wave
60 Hz inductive or
Resistive load
2.0
1.5
1.0
0.5
2.5
10
1
120
0
150
0
90
60
30
1
0.01
0.01
10
0.1
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, (A)
AVERAGE FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD CURRENT, (A)
REVERSE CURRENT, (μA)
TJ = 25 °C
8.3 ms Single half sine-wave
Pulse Width = 300 μs
1% Duty Cycle
0.1
INSTANTANEOUS FORWARD VOLTAGE, (V)
20
TJ = 25 °C
TJ = 100
Certificate TH97/10561QM Certificate TW00/17276EM