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BY251_05 Datasheet, PDF (1/2 Pages) EIC discrete Semiconductors – SILICON RECTIFIER DIODES
BY251 - BY255
SILICON RECTIFIER DIODES
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
* Pb / RoHS Free
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
DO - 201AD
0.21 (5.33)
0.19 (4.83)
0.052 (1.32)
0.048 (1.22)
1.00 (25.4)
MIN.
0.375 (9.53)
0.285 (7.24)
1.00 (25.4)
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
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current
0.375"(9.5mm) Lead Length Ta = 50 °C
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at IF = 3.0 Amps.
Maximum DC Reverse Current
Ta = 25 °C
at rated DC Blocking Voltage Ta = 100 °C
Typical Junction Capacitance (Note1)
Typical Thermal Resistance (Note2)
Junction Temperature Range
Storage Temperature Range
SYMBOL BY251
VRRM
200
VRMS
140
VDC
200
BY252
400
280
400
BY253
600
420
600
BY254
800
560
800
BY255
1300
910
1300
UNIT
V
V
V
IF
3.0
A
IFSM
VF
IR
IR(H)
CJ
RθJA
TJ
TSTG
100
1.1
20
50
50
18
- 65 to + 175
- 65 to + 175
A
V
µA
µA
pF
°C/W
°C
°C
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. 02 : March 25, 2005