Page 1
HIGH VOLTAGE 1 AMP SILICON RECTIFIERS
BY127/133 & EM513 THRU EM518
TECHNICAL SPECIFICATION
FEATURES
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
MECHANICAL DATA
Case
Terminals
Polarity
Mounting Position
Weight
: 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)
VOLTAGE
1250 to 2000 Volts
DIMENSIONS
- millimeters (inches)
25.4 (1.0)
min.
5.2 (.205)
4.1 (.160)
25.4 (1.0)
min.
CURRENT
1.0 Amp
DO-41
2.7 (.107)
2.0 (.080)
Cathode Band
.86 (.034)
.71 (.028)
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%.
Symbols
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
9.5mm (.375in.) Lead Length at T
Peak Forward Surge Current, 8.3 ms single half
sine - wave superimposed on rated load
Maximum Instantaneous Forward Voltage at 1.0A
Maximum Reverse Current at Rated
DC Blocking Voltage
Maximum Full load Reverse Current Full Cycle
Average, 9.5mm (.375in.) Lead Length at TL = 75°C
Typical Junction Capacitance (see Note 1)
Typical Thermal Resistance (see Note 2)
Operating Temperature Range
Storage Temperature Range
Notes :
1. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
2. Thermal Resistance from Junction to Ambient
= 75°C
A
A
T = 25°C
A
T = 100°C
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
I
R(AV)
C
J
R
THja
T
J
T
STG
BY127
1250
875
1250
BY133
1300
910
1300
EM513 EM516
1600
1120 1260 1400
1600
1.0
30
1.3
5.0
50
30
30
50
- 50 to + 175
- 50 to + 175
1800
1800
EM518
2000
2000
Units
V
V
V
A
A
V
µA
µA
µA
pF
°C/W
°C
°C
Reformatted by Anglia 9843
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BY127/133 & EM513 THRU EM518
RATING AND CHARACTERISTIC CURVES
FIG. 1 - FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
0.4
0.2
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
L
5mm x 5mm Cu Leafs
9.5mm Lead Length
0
25 50 75 100 125 150 175 200
0
AMBIENT TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
30
10
3.0
1.0
0.3
0.1
.03
TJ = 25°C
Pulse width = 300µs
2% duty cycle
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
25
20
15
TA = 75°C
10
PEAK FORWARD SURGE
CURRENT, AMPERES
5
8.3ms single half sine-wave
(JEDEC) method
1
2 5 20 50
10
NUMBER OF CYCLES AT 60Hz
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
100
50
20
10
5
CAPACITANCE, pF
2
1
.1 .2 .5
T = 25°C
J
f = 1MHz
V
= 50mVp-p
SIG
2 5 20 50
1 10 100
REVERSE VOLTAGE, VOLTS
100
INSTANTANEOUS FORWARD CURRENT,
.01
AMPERES
0.4 0.6 0.8 1.0 1.2 1.4
INSTANTANEOUS FORWARD
VOLTAGE, VOLTS
1.6
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
10
3.0
T
= 100°C
1.0
0.3
0.1
INSTANTANEOUS REVERSE
.03
CURRENT, MICROAMPERES
.01
0 20 40 60 80 100 120
PERCENT OF RATED PEAK REVERSE
J
VOLTAGE, %
TJ = 25°C
140
Reformatted by Anglia 9843
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