Certificate TH97/10561QM
Certificate TW00/17276EM
RL251 - RL257
PRV : 50 - 1000 Volts
Io : 2.5 Amperes
FEATURES :
*
*
*
*
*
*
High current capability
High surge current capability
High reliability
Low reverse current
Low forward voltage drop
Pb / RoHS Free
SILICON RECTIFIER DIODES
D2A
0.161 (4.1)
0.154 (3.9)
1.00 (25.4)
MIN.
0.284 (7.2)
0.268 (6.8)
0.040 (1.02)
0.0385 (0.98)
1.00 (25.4)
MIN.
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
Dimensions in inches and ( millimeters )
Rating at 25
°
C ambient temperature unless otherwise specified.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
RATING
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current at Ta = 75 °C
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 2.5 A
Maximum DC Reverse Current
at rated DC Blocking Voltage
Typical Thermal Resistance
Operation Junction and Storage Temperature Range
Ta = 25 °C
Ta = 100 °C
V
F
I
R
I
R(H)
C
J
R
ӨJA
T
J
, T
STG
1.1
5
50
35
35
- 65 to + 175
V
μA
μA
pF
°C/W
°C
I
FSM
150
A
SYMBOL
RL251 RL252 RL253 RL254 RL255 RL256 RL257
UNIT
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
200
140
200
400
280
400
2.5
600
420
600
800
560
800
1000
700
1000
V
V
V
A
Typical Junction Capacitance (Note 1)
Note :
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
DC
Page 1 of 2
Rev. 00 : June 20, 2007
Certificate TH97/10561QM
Certificate TW00/17276EM
RATING AND CHARACTERISTIC CURVES (RL251 - RL257)
FIG.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
AVERAGE FORWARD CURRENT, (A)
2.5
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
8.3 ms Single half sine-wave
1.5
PEAK FORWARD SURGE
CURRENT, (A)
125
150
175
2.0
120
90
1.0
Single phase half wave
60 Hz inductive or
Resistive load
60
0.5
30
0
0
25
50
75
100
0
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
20
10
10
INSTANTANEOUS FORWARD CURRENT, (A)
T
J
= 100
1
REVERSE CURRENT, (μA)
1
0.1
T
J
= 25 °C
Pulse Width = 300
μs
1% Duty Cycle
0.1
T
J
= 25 °C
0.01
0.6
0.8
1.0
1.2
1.4
0.01
0
20
40
60
80
100
120
140
INSTANTANEOUS FORWARD VOLTAGE, (V)
PERCENT OF RATED REVERSE
VOLTAGE, (%)
Page 2 of 2
Rev. 00 : June 20, 2007
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