ETC BY228SERIES

BY228 SERIES
CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER
*
Reverse Voltage - 1500 Volts
FEATURES
♦ High temperature metallurgically bonded construction
♦ Glass passivated cavity-free junction
♦ 2.5 ampere operation
at TA=50°C with no
thermal runaway
♦ Typical IR less than 0.1µA
♦ Hermetically sealed package
♦ Capable of meeting environmental standards of
MIL-S-19500
♦ High temperature soldering guaranteed:
350°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
P
A
T
E
N
T
E
D
Case Style G3
1.0 (25.4)
MIN
0.250 (6.3)
0.170 (4.3)
DIA.
0.300 (7.6)
MAX.
0.052 (1.32)
0.048 (1.22)
DIA.
Forward Current - 2.5 Amperes
1.0 (25.4)
MIN
MECHANICAL DATA
Dimensions in inches and (millimeters)
*Brazed-lead assembly is covered by Patent No. 3,930,306
Case: Solid glass body
Terminals: Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.04 ounce, 1.1 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
BY228
UNITS
Maximum non repetitive peak reverse voltage
VRSM
1650
Volts
Maximum repetitive peak reverse voltage
VRRM
1500
Volts
Maximum RMS voltage
VRMS
1050
Volts
Maximum DC blocking voltage
VDC
1500
Volts
Maximum average forward rectified current
0.375” (9.5mm) lead length at TA= 50°C
I(AV)
2.5
Amps
Peak forward surge current 10ms single half sine-wave
superimposed on rated load
IFSM
50.0
Amps
VF
1.6
Volts
IFWM
5.0
Amps
IFRM
10.0
Amps
IR
5.0
200
µA
trr
20.0
µs
Maximum instantaneous forward voltage at 2.5A
Working peak forward current at TA=75°C
Peak repetitive forward surge current at TA=75°C
Maximum peak reverse current
at rated peak reverse voltage
TA=25°C
TJ=140°C
Maximum reverse recovery time (NOTE 1)
Maximum forward recovery time (NOTE 2)
tfr
1.0
µs
Typical junction capacitance (NOTE 2)
CJ
40.0
pF
RΘJA
20.0
°C/W
TJ
-65 to +150
°C
TSTG
-65 to +200
°C
Typical thermal resistance (NOTE 4)
Operating junction temperature range
Storage temperature range
NOTES:
(1) Measured with IF=1.0A, IR=50mA, di/dt=50mA/µs
(2) Measured with IF=5.0A with tr=0.1µs
(3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts
(4) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length,
P.C.B. mounted
4/98
RATINGS AND CHARACTERISTIC CURVES BY228 SERIES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
AVERAGE FORWARD RECTIFIED
CURRENT,AMPERES
50 to 60 Hz
RESISTIVE OR
INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
2.0
1.0
0
25
0
75
50
100
125
150
175
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG. 1 - FORWARD CURRENT DERATING CURVE
3.0
100
NO LOAD
RATED LOAD
10
100
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
30
INSTANTANEOUS FORWARD CURRENT,
AMPERES
100
TA=75°C
10
10
10
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
0.1
0.01
0.2
100
DUTY CYCLE, PERCENT, %
0.4
0.6
0.8
1.0
1.2
100
TJ=25°C
f=1.0 MHz
JUNCTION CAPACITANCE, pF
TJ=125°C
1
0.1
TJ=25°C
10
0.01
20
40
60
80
1.6
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
10
0
1.4
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
FIG. 5 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
10
NUMBER OF CYCLES AT 50 Hz
FIG. 3 -MAXIMUM PEAK REPETITIVE
FORWARD SURGE CURRENT
MAXIMUM PEAK REPETITIVE
FORWARD CURRENT, ApK
TJ=TJ max.
10ms SINGLE SINE WAVE
1
AMBIENT TEMPERATURE,°C
1
200
100
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
1
10
REVERSE VOLTAGE, VOLTS
100