General Semiconductor KBU8G, KBU8D, KBU8J, KBU8M, KBU8A Datasheet

KBU8A THRU KBU8M

0.160 (4.1)

0.065 (1.7)

0.185 (4.7)

0.895 (22.7)

0.935 (23.7)

0.140 (3.6)

0.165 (4.2)

0.085 (2.2)

0.240 (6.09)

0.200 (5.08)

0.220 (5.6)

0.180 (4.6)

0.075 (1.9) R. TYP.
(2 PLACES)

45

o

0.205 (5.2)

0.185 (4.7)

0.052 (1.3)

0.048 (1.2)

0.280 (7.1)

0.260 (6.6)

DIA.

0.760
(19.3)

MAX.

0.700
(17.8)

0.660
(16.8)

1.0

(25.4)

MIN.

0.455 (11.3)

0.405 (10.3)

SINGLE-PHASE BRIDGE RECTIFIER

Reverse Voltage - 50 to 1000 Volts Forward Current - 8.0 Amperes

Case Style KBU

Dimensions in inches and (millimeters)

FEATURES

♦ Plastic material used carries Underwriters Laboratory

Flammability Classification 94V-0

♦ This series is UL listed under Recognized Component Index,

file number E54214

♦ High case dielectric strength

of 1500 V

♦ Ideal for printed circuit boards
♦ High forward surge current capability
♦ High temperature soldering guaranteed:

250°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension

Case: Molded plastic body
Terminals: Plated leads solderable per MIL-STD-750,

Method 2026

Mounting Position: Any
Mounting T orque: 5 in.-lb. max.
Weight: 0.3 ounce, 8.0 grams

RMS

MECHANICAL DATA

(NOTE 1)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOLS 8A 8B 8D 8G 8J 8K 8M UNITS

Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V
Maximum average forward rectified T

output current at T

=100°C

C

=45°C

A

(NOTE 1, 3)

(NOTE 2)

Peak forward surge current single half sine-wave
superimposed on rated load (JEDEC Method) T

Maximum instantaneous forward voltage drop
per leg at 8.0A

Maximum DC reverse current at rated T
DC blocking voltage per leg T

Typical thermal resistance per leg

(NOTE 2)
(NOTE 3)

=150°C

J

=25°C 10.0 µA

A

=125°C

A

Operating junction and storage temperature range T

NOTES:

(1) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw
(2) Units mounted in free air, no heatsink, P.C.B. at 0.375" (9.5mm) lead length with 0.5 x 0.5” (12 x 12mm) copper pads
(3) Units mounted on a 3.0 x 3.0” x 0.11" thick (7.5 x 7.5 x 0.3cm) Al. Plate heatsink

R
R

J

RRM
RMS

I

(AV)

I

FSM

V

, T

DC

I

R

ΘJA
ΘJC

KBU KBU KBU KBU KBU KBU KBU

50 100 200 400 600 800 1000 Volts
35 70 140 280 420 560 70 0 Volts
50 100 200 400 600 800 1000 Volts

8.0

6.0

300.0 Amps

F

1.0 Volts

1.0 mA

18.0

3.0

STG

-50 to +150 °C

Amps

°C/W

4/98

0 50 100 150

0

2.0

4.0

6.0

8.0

0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3

0.1

1

10

100

110100

0

50

100

150

200

250

300

1 10 100

10

100

400

0 20 40 60 80 100

0.01

0.1

1

10

50

RATINGS AND CHARACTERISTICS CURVES KBU8A THRU KBU8M

FIG. 1 - DERATING CURVE OUTPUT RECTIFIED

CURRENT

HEAT-SINK MOUNTING,T

3.0 x 3.0 x 12”THK AL. PLATE
(7.5 x 0.3cm)

C

AMPERES

P.C.B. MOUNTING, T

AVERAGE FORWARD CURRENT,

0.375” (9.5mm) LEAD LENGTH

0.5 x 0.5” (12 x 12mm) COPPER PADS
60 HZRESISTIVE OR INDUCTIVE LOAD

A

TEMPERATURE, °C

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS PER LEG

TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

SINGLE SINE-WAVE
(JEDEC Method)
TJ=150°C

AMPERES

PEAK FORWARD SURGE CURRENT,

1.0 CYCLE

NUMBER OF CYCLES AT 60 H

Z

FIG. 4 - TYPICAL REVERSE LEAKAGE

CHARACTERISTICS PER LEG

TJ=100°C

AMPERES

INSTANTANEOUS FORWARD CURRENT,

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

PER LEG

TJ=25°C
f=1.0 MHz
Vsig=50mVp-p

MICROAMPERES

INSTANTANEOUS REVERSE CURRENT,

TJ=25°C

PERCENT OF RATED PEAK REVERSE

VOLTAGE, %

JUNCTION CAPACITANCE, pF

REVERSE VOLTAGE, VOLTS