RL251 THRU RL257
Features
· The plastic package carries Underwrites Laboratory
Flammability Classification 94V-0
· Construction utilizes void-free molded plastic technique
· High surge current capability
· 2.5A operation at T
L
=75℃ with no thermal runaway
· Low reverse leakage
· High temperature soldering guaranteed : 250℃/10 seconds,
0.375"(9.5mm) lead length, 5lbs.(2.3kg) tension
CURRENT 2.5 Amperes
VOLTAGE 50 to 1000 Volts
DO-201AD
0.210(5.3)
0.188(4.8)
DIA.
1.0(25.4)
MIN.
0.375(9.5)
0.285(7.2)
Mechanical Data
· Case : JEDEC DO-201AD molded plastic body
· Terminals : Lead solderable per MIL-STD-750,
method 2026
· Polarity : Color band denotes cathode end
· Mounting Position : Any
· Weight : 0.042 ounce, 1.19 gram
0.042(1.1)
0.037(0.9)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
Symbols
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375"(9.5mm) lead length T
A
=75℃
Peak forward surge current 8.3ms half sine
wave superimposed on rated load
(JEDEC method)
Maximum instantaneous forward voltage
at I
FM
=2.5A, T
A
=25℃
Maximum reverse current
at rated DC blocking voltage
T
A
=25℃
T
A
=100℃
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
Rθ
JA
C
J
T
J
T
STG
RL
251
50
35
50
RL
252
100
70
100
RL
253
200
140
200
RL
254
400
280
400
2.5
150.0
1.1
5.0
50.0
35.0
35.0
-50 to +175
RL
255
600
420
600
RL
256
800
560
800
RL
257
1000
700
1000
Units
Volts
Volts
Volts
Amps
Amps
Volts
μA
℃/W
pF
℃
Typical thermal resistance (Note 2)
Typical junction capacitance (Note 1)
Operating and storage temperature range
Notes:
(1) Measured at 1MHz and applied reverse voltage of 4.0V DC.
(2) Thermal resistance from junction to ambient and from junction to lead at 0.375"(9.5mm) lead length, P.C.B. mounted
RATINGS AND CHARACTERISTIC CURVES RL251 THRU RL257
FIG.1-FORWARD CURRENT DERATING CURVE
2.5
AVERAGE FORWARD CURRENT AMPERES
2.0
INSTANTANEOUS FORWARD CURRENT(AMPERES)
1.5
1.0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
0.5
0
0
1
25
50
75
100
125
150
175
T
J
=25℃
LEAD TEMPERATURE (
℃)
0.1
PULSE WIDTH=300
μ
S
1% DUTY CYCLE
FIG.3-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
120
90
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0.01
0.6
0.8
1.0
1.2
1.4
1.5
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
PEAK FORWARD SURGE
CURRENT (AMPERES)
FIG.4-TYPICAL REVERSE CHARACTERISTICS
60
30
5
1
10
NUMBER OF CYCLES AT 60Hz
100
INSTANTANEOUS REVERSE CURRENT (
μA
)
10
T
J
=100℃
1.0
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE(pF)
0.1
T
J
=25℃
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
T
J
=25℃
10
1
0.1
1
10
100
REVERSE VOLTAGE. VOLTS
Test/Measurement
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