: JEDEC DO-41, moulded plastic.
: Plated axial leads, solderable
per MIL-STD-202, Method 208.
: Colour band denotes cathode end.
: Any
: 0.3 grams (0.012 ounce)
BY127/133 & EM513 THRU EM518
HIGH VOLTAGE 1 AMP SILICON RECTIFIERS
VOLTAGE
1250 to 2000 Volts
CURRENT
1.0 Amp
Low cost construction utilizing void - free
moulded plastic technique
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Diffused junction
High surge current capability
Low leakage
High temperature soldering capability :
250°C/10 seconds/9.5mm (.375in.) lead length at
2.3kg (5lb) tension
Easily cleaned with Freon, Alcohol, Chlorothene
and other similar solvents
FEATURES
MECHANICAL DATA
Case
Terminals
Polarity
Mounting Position
Weight
DIMENSIONS
- millimeters (inches)
25.4 (1.0)
min.
5.2 (.205)
4.1 (.160)
2.7 (.107)
2.0 (.080)
.86 (.034)
.71 (.028)
Cathode Band
25.4 (1.0)
min.
TECHNICAL SPECIFICATION
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings 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%.
DO-41
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
9.5mm (.375in.) Lead Length at TA = 75°C
V
V
A
A
Peak Forward Surge Current, 8.3 ms single half
sine - wave superimposed on rated load
µA
Storage Temperature Range
°C
°C
EM513 EM516 EM518
1600
1600
1800
1800
2000
2000
1120 1260 1400
Maximum Instantaneous Forward Voltage at 1.0A
Operating Temperature Range
1.0
30
1.3
5.0
- 50 to + 175
- 50 to + 175
V
T = 100°C
Maximum Reverse Current at Rated
DC Blocking Voltage A
Typical Junction Capacitance (see Note 1)
T = 25°C
A
Typical Thermal Resistance (see Note 2)
50
°C/W
pF
V
Notes :
1. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
2. Thermal Resistance from Junction to Ambient
µA
50
VRMS
VDC
IF(AV)
IFSM
IR
TJ
TSTG
VRRM
RTHja
CJ
VF
Maximum Full load Reverse Current Full Cycle
Average, 9.5mm (.375in.) Lead Length at TL = 75°C
Symbols
30
30
IR(AV) µA
Units
BY127
1250
1250
875
BY133
1300
1300
910
Reformatted by Anglia 9843
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
FIG. 1 - FORWARD CURRENT DERATING CURVE
BY127/133 & EM513 THRU EM518
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
10
25
30
110 100
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE
CURRENT, AMPERES
2 5 20 50
15
20
TA = 75°C
8.3ms single half sine-wave
(JEDEC) method
25 50 75 100 125 150 175 200
0
0.4
0.6
0.8
1.0
0.2
AMBIENT TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
1.6
5mm x 5mm Cu Leafs
9.5mm Lead Length
L
0
.01
.03
0.1
10
0.4 0.6 0.8 1.0 1.2 1.4
INSTANTANEOUS FORWARD
VOLTAGE, VOLTS
0.3
1.0
3.0
30
100
TJ = 25°C
Pulse width = 300µs
2% duty cycle
5
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
1
10
100
1 10 100
CAPACITANCE, pF
2
5
20
50
2 5 20 50
.1 .2 .5
T = 25°C
f = 1MHz
VSIG = 50mVp-p
J
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE
CURRENT, MICROAMPERES
.01
0.1
10
0 20 40 60 80 100 120
1.0
TJ = 25°C
TJ = 100°C
.03
0.3
3.0
140
Reformatted by Anglia 9843
