BY251 - BY255
PRV : 200 - 1300 Volts
Io : 3.0 Amperes
FEATURES :
*High current capability
*High surge current capability
*High reliability
*Low reverse current
*Low forward voltage drop
MECHANICAL DATA :
*Case : DO-201AD 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 : 0.929 grams
SILICON RECTIFIER DIODES
DO - 201AD
0.21 (5.33)
1.00 (25.4)
0.19 (4.83)
MIN.
0.375 (9.53)
0.285 (7.24)
0.052 (1.32)
1.00 (25.4)
0.048 (1.22)
MIN.
Dimensions in inches and ( millimeters )
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING |
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SYMBOL |
BY251 |
BY252 |
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BY253 |
BY254 |
BY255 |
UNIT |
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Maximum Repetitive Peak Reverse Voltage |
VRRM |
200 |
400 |
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600 |
800 |
1300 |
V |
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Maximum RMS Voltage |
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VRMS |
140 |
280 |
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420 |
560 |
910 |
V |
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Maximum DC Blocking Voltage |
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VDC |
200 |
400 |
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600 |
800 |
1300 |
V |
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Maximum Average Forward Current |
IF |
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3.0 |
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A |
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0.375"(9.5mm) Lead Length Ta = 50 °C |
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Peak Forward Surge Current |
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8.3ms Single half sine wave Superimposed |
IFSM |
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100 |
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A |
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on rated load (JEDEC Method) |
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Maximum Forward Voltage at IF = 3.0 Amps. |
VF |
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1.1 |
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V |
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Maximum DC Reverse Current |
Ta = 25 °C |
IR |
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20 |
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μA |
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at rated DC Blocking Voltage |
Ta = 100 °C |
IR(H) |
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50 |
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μA |
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Typical Junction Capacitance (Note1) |
CJ |
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50 |
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pF |
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Typical Thermal Resistance (Note2) |
RθJA |
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18 |
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°C/W |
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Junction Temperature Range |
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TJ |
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- 65 to + 175 |
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°C |
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Storage Temperature Range |
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TSTG |
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- 65 to + 175 |
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°C |
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Notes :
(1)Measured at 1.0 MHz and applied reverse voltage of 4.0VDC
(2)Thermal resistance from Junction to Ambient at 0.375" (9.5mm) Lead Lengths, P.C. Board Mounted.
Page 1 of 2 |
Rev. 01 : Mar 23, 2002 |
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