General Semiconductor G4J, G4G, G4D, G4B, G4A Datasheet

Reverse Voltage - 50 to 600 Volts Forward Current - 3.0 Amperes

0.180 (4.6)

0.115 (2.9)

0.042 (1.07)

0.038 (0.962)

DIA.

DIA.

MAX.

0.300 (7.6)

1.0 (25.4)
MIN.

1.0 (25.4)
MIN.

PATENTED*

Dimensions in inches and (millimeters)

*

Brazed-lead assembly is covered by Patent No.3,930,306

G4A THRU G4J

GLASS PASSIVATED JUNCTION RECTIFIER

FEATURES

Case Style G4

♦ High temperature metallurgically bonded

construction

♦ Glass passivated cavity-free junction
♦ Hermetically sealed package
♦ 3.0 Ampere operation

at TA=75°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: 0.037 ounce,1.04 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOLS G4A G4B G4D G4G G4J UNITS

Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V
Maximum average forward rectified current, 0.375”

(9.5mm) lead length at T

=70°C

A

Peak forward surge current

8.3ms single half sine-wave superimposed
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 1.0

A

=100°C

A

)t

)C

Operating junction and storage temperature range T

NOTES:
(1) Reverse recovery test conditions: 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=1.0A, Irr=0.25A

and applied reverse voltage of 4.0 Volts

Z

F

RRM
RMS

DC

I

(AV)

I

FSM

F

I

R(AV)

I

R

rr

J

ΘJA

R

ΘJL

, T

J

STG

50 100 200 400 600 Volts
35 70 140 280 420 Volts
50 100 200 400 600 Volts

3.0 Amps

100.0 Amps

1.1 Volts

200.0 µA

100.0

µA

3.0 µs

40.0 pF

22.0

12.0

°C/W

-65 to +175 °C

4/98

0255075

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

110100

020406080100

0.01

0.1

1

10

20

RATINGS AND CHARACTERISTIC CURVES G4A AND G4J

FIG. 1 - FORWARD CURRENT DERATING CURVE

CURRENT, AMPERES

AVERAGE FORWARD RECTIFIED

0.375" (9.5mm) LEAD LENGTH

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

60 H
RESISTIVE OR
INDUCTIVE LOAD

AMBIENT TEMPERATURE, °C

CHARACTERISTICS

TJ=150°C

PULSE WIDTH = 300µs
1% DUTY CYCLE

TJ=25°C

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

T

max.

Z

J =TJ

8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)

AMPERES

PEAK FORWARD SURGE CURRENT,

NUMBER OF CYCLES AT 60 H

Z

FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

TJ=125°C

AMPERES

INSTANTANEOUS FORWARD CURRENT,

INSTANTANEOUS FORWARD VOLTAGE,

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

JUNCTION CAPACITANCE, pF

VOLTS

TJ=25°C
f=1.0 MHz
Vsig=50mVp-p

MICROAMPERES

INSTANTANEOUS REVERSE CURRENT,

TJ=75°C

TJ=25°C

PERCENT OF RATED PEAK REVERSE VOLTAGE, %

REVERSE VOLTAGE, VOLTS