AR251 Datasheet, PDF (1/2 Pages) Shanghai Lunsure Electronic Tech – BUTTON DIODES

Shanghai Lunsure Electronic
Technology Co.,LTD
Tel:[phone]
Fax:[phone]
AR251/ARS251
THRU
AR256/ARS256
Features
Low leakage
Low forward voltage drop
High current capability
High forward surge current capability
BUTTON DIODES
VOLTAGE RANGE
100 TO 600 VOLTS
CURRENT 25AMPS
.185(4.7)
Mechanical Data
.165(4.2)
Case: transfer molded plastic
Technology: vcauum soldered
Polarity: color ring denotes cathode
Lead: Plated lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weigth: AR 1.80 grams, ARS 1.60 grams
AR
.250(6.4)
.235(6.0)
.185(4.7)
.165(4.2)
.410(10.4)
.380( 9.7) ^DIA
ARS
.250(6.4)
.235(6.0)
.346(8.8)
.327(8.2) ^DIA
.225(5.7) _DIA
.215(5.5)
.225(5.7) _DIA
.215(5.5)
Maximum Ratings and Electrical Charactristics
Rating at 25^oC ambient temperature unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
Dimensions in inches and millimeters
Parameters
Symbols
Maximum repetitive peak reverse voltage
Maximum RM S voltage
Maximum DC blocking voltage
Maximum Average rectified forward current
at T_C=110^oC
Peak forward surge current 8.3mS single
half sine-wave superimposed on rated load
(JE DEC Method)
V_RRM
V_RMS
V_DC
I_o
I_FSM
AR251
ARS251
100
70
100
AR252
ARS252
200
140
200
AR253
ARS253
300
210
300
25
400
AR254
ARS254
400
280
400
AR256
ARS256
600
420
600
Rating for fusing(t<8.3ms)
Maximum instantaneous forward voltage
drop at 100A
Maximum DC reverse current T_A=25^oC
at rated DC blocking voltage T_A=150^oC
Typical thermal resistance
Operating and storage temperature
I²t
V_F
I_R
R_θJC
T_J,T_STG
664
1.1
5.0
450
1.0
-65 to +175
Notes: 1.Enough heatsink must be considered in application.
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Units
Volts
Volts
Volts
Amps
Amps
A²S
Volts
uA
o_C/W
o_C