Document
BYW27-50 - BYW27-1000
PRV : 50 - 1000 Volts Io : 1.0 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-41 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 : 0.34 gram
SILICON RECTIFIER DIODES DO - 41
0.107 (2.7) 0.080 (2.0)
0.034 (0.86) 0.028 (0.71)
1.00 (25.4) MIN.
0.205 (5.2) 0.166 (4.2)
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 = 70°C
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at IF = 1.0 Amp.
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
VRRM VRMS VDC
BYW 27-50
50 35 50
BYW BYW BYW 27-100 27-200 27-400
100 200 400 70 140 280 100 200 400
BYW BYW BYW 27-600 27-800 27-1000
600 800 1000 420 560 700 600 800 1000
UNIT
V V V
IF 1.0 A
IFSM
VF IR IR(H) CJ RθJA TJ TSTG
50
1.0 0.2 25 30 50 - 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
AVERAGE FORWARD OUTPUT CURRENT, AMPERES
RATING AND CHARACTERISTIC CURVES ( BYW27-50 - BYW27-1000 )
FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT
1.0
0.8
0.6
0.4
0.2
0 0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, ( °C)
PEAK FORWARD SURGE CURRENT, AMPERES
FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
50
Ta = 25 °C 40
30
20
10
0 12
4 6 10 20 40 60 100
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
10
1.0
Pulse Width = 300 µs 2% Duty Cycle
0.1 TJ = 25 °C
0.01 0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE, VOLTS
REVERSE CURRENT, MICROAMPERES
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
10 Ta = 100 °C
1.0
0.1 Ta = 25 °C
0.01 0
20 40
60 80 100 120 140
PERCENT OF RATED REVERSE VOLTAGE, (%)
FORWARD CURRENT, AMPERES
Page 2 of 2
Rev. 01 : Mar 23, 2002
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