Reverse Voltage - 50 to 1000 Volts Forward Current - 3.0 Amperes
0.250 (6.3)
0.170 (4.3)
0.052 (1.32)
0.048 (1.22)
DIA.
DIA.
1.0 (25.4)
MIN
MAX.
0.300 (7.6)
1.0 (25.4)
MIN
PATENTED*
Dimensions in inches and (millimeters)
*
Brazed-lead assembly is covered by Patent No.3,930,306
G3A THRU G3M
GLASS PASSIVATED JUNCTION RECTIFIER
Case Style G3
♦ High temperature metallurgically bonded
construction
♦ Glass passivated cavity-free junction
♦ Hermetically sealed package
♦ 3.0 Ampere operation
at TA=70°C with no
thermal runaway
♦ Typical IRless than 0.1µA
♦ 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
MECHANICAL DATA
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
FEATURES
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS G3A G3B G3D G3G G3J G3K G3M UNITS
Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V
RRM
RMS
DC
Maximum average forward rectified current
I
0.375” (9.5mm) lead length at T
=70°C
A
(AV)
Peak forward surge current
8.3ms single half sine-wave superimposed
I
FSM
on rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A V
Maximum full load reverse current, full cycle
average, 0.375” (9.5mm) lead length at T
Maximum DC reverse current T
at rated DC blocking voltage T
Typical reverse recovery time
Typical junction capacitance
Typical thermal resistance
(NOTE 1)
(NOTE 2
)R
(NOTE 3
=70°C
A
=25°C 5.0
A
=150°C
A
)C
Operating junction and storage temperature range T
NOTES:
(1) Measured with I
(2) Measured at 1.0 MH
(3) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5mm) lead length,
with both leads mounted between heatsinks
=0.5A, IR=1A, Irr=0.25A
F
and applied reverse voltage of 4.0 Volts
Z
F
I
R(AV)
I
R
t
rr
J
ΘJA
R
ΘJL
, T
J
STG
50 100 200 400 600 800 1000 Volts
35 70 140 280 420 560 700 Volts
50 100 200 400 600 800 1000 Volts
3.0 Amps
125.0 Amps
1.2 1.1 Volts
200.0 µA
100.0
µA
3.0 µs
40.0 pF
20.0
10.0
°C/W
-65 to +175 °C
4/98
0 25 50 75 100 125 150 175
0
1.0
2.0
3.0
4.0
110100
10
100
200
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1
10
30
10
100
1 10 100
0 20 40 60 80 100
0.01
0.1
1
10
RATINGS AND CHARACTERISTIC CURVES G3A AND G3M
FIG. 1 - FORWARD CURRENT DERATING CURVE
60 H
Z
RESISTIVE OR
INDUCTIVE LOAD
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
T
max.
J =TJ
8.3ms SINGLE HALF
SINE-WAVE(JEDEC Method)
CURRENT, AMPERES
AVERAGE FORWARD RECTIFIED
0.375" (9.5mm) LEAD LENGTH
AMBIENT TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
TJ=150°C
AMPERES
PULSE WIDTH=300µs
1% DUTY CYCLE
TJ=25°C
AMPERES
PEAK FORWARD SURG ECURRENT,
NUMBER OF CYCLES AT 60 H
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
Z
TJ=100°C
MICROAMPERES
INSTANTANEOUS REVERSE CURRENT,
TJ=75°C
TJ=25°C
INSTANTANEOUS FORWARD CURRENT,
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
REVERSE VOLTAGE, VOLTS
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
PERCENT OF RATED PEAK REVERSE VOLTAGE, %