General Semiconductor UGF18CCT, UGF18DCT, UGF18BCT, UGF18ACT Datasheet

0.060 (1.52)

0.405 (10.27)

0.383 (9.72)

0.670 (17.2)

0.646 (16.4)

0.191 (4.85)

0.171 (4.35)

0.600 (15.5)

0.580 (14.5)

0.560 (14.22)

0.530 (13.46)

0.037 (0.94)

0.027 (0.69)

0.140 (3.56)

0.130 (3.30)

0.350 (8.89)

0.330 (8.38)

0.188 (4.77)

0.172 (4.36)

0.110 (2.80)

0.100 (2.54)

0.131 (3.39)

0.122 (3.08)

0.110 (2.80)

0.100 (2.54)

0.022 (0.55)

0.014 (0.36)

0.105 (2.67)

0.095 (2.41)

0.205 (5.20)

0.195 (4.95)

PIN 1

PIN 3

PIN 2

1

3

PIN

2

DIA.

DIA.

NEW PRODUCT NEW PRODUCT NEW PRODUCT

UGF18ACT THRU UGF18DCT

ULTRAFAST EFFICIENT PLASTIC RECTIFIER

Reverse Voltage - 50 to 200 Volts Forward Current - 18.0 Amperes

ITO-220AB

Dimensions in inches and (millimeters)

FEATURES

♦ Plastic package has Underwriters Laboratories

Flammability Classification 94V-0

♦ Ideally suited for use in very

high frequency switching
power supplies, inverters
and as a free wheeling diode

♦ Ultrafast 25 nanosecond reverse recovery times
♦ Soft recovery characteristics
♦ Excellent high temperature switching
♦ Glass passivated junctions
♦ High temperature soldering guaranteed:

250°C, 0.25" (6.35mm) from case for 10 seconds

MECHANICAL DATA

Case: JEDECITO-220AB molded plastic body
Terminals: Plated leads solderable per MIL-STD-750,

Method 2026

Polarity: As marked
Mounting Position: Any
Weight: 0.08 ounce, 2.24 grams
Mounting T orque: 5 in. - lbs. max.

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25°C ambient temperature unless otherwise specified.

SYMBOLS UGF18ACT UGF18BCT UGF18CCT UGF18DCT UNITS

Maximum repetitive peak reverse voltage V
Maximum RMS voltage V
Maximum DC blocking voltage V

Maximum average forward rectified current at T

=105°C I

C

RRM
RMS

DC

(AV)

Peak forward surge current

8.3ms single half sine-wave superimposed I
on rated load (JEDEC Method) per leg at T

=105°C

C

FSM

Maximum instantaneous forward voltage per leg at 9.0A 1.10

20A 1.20

5.0A, T

Maximum DC reverse current T

(NOTE 1)

J

TJ=100°C

J

TJ=100°C

at rated DC blocking voltage per leg T
Maximum reverse recovery time
Maximum reverse recovery time T

(NOTE 2)

Maximum recovered stored charge T

(NOTE 2)

Typical junction capacitance
Typical ther mal resistance

Operating junction and storage temperature range T

NOTES: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A
(2) t

and Qrrmeasured at: IF=9.0A, VR=30V, di/dt=50A/µs, I

rr

(3) Measured at 1.0 MHZand applied reverse voltage of 4.0 Volts
(4) Thermal resistance from junction to case per leg

4/98

(NOTE 3)

(NOTE 4)

=100°C

J

=25°C 10.0

A

=100°C

A

=25°C 30.0

=25°C 20.0

10% I

rr=

RM

V

F

I

R

t

rr

t

rr

Q

rr

C

J

R

ΘJC

, T

J

STG

50 100 150 200 Volts
35 70 105 140 Volts

50 100 150 200 Volts

18.0 Amps

175.0 Amps

0.95

300.0

20.0 ns

50.0

45.0

30.0 pF

4.0 °C/W

-65 to +150 °C

V olts

µA

ns

nC

0 25 50 75 100 125 150 175

0

4.0

8.0

12

16

20

24

1

10

100

10

100

1,000

0.4 0.6 0.8

1.0

1.2 1.4 1.6

0.01

0.1

1

10

100

0.1

1

10

100

1

10

100

0 25 50 75 100 125 150 175

0

10

20

30

40

50

60

0

20

40

60

80 100

0.01

0.1

1

10

100

1,000

RATINGS AND CHARACTERISTIC CURVES UGF18ACT THRU UGF18DCT

FIG. 1 -FORWARD CURRENT DERATING CURVE

RESISTIVE OR INDUCTIVE LOAD

AMPERES

AVERAGE FORWARD CURRENT,

CASE TEMPERATURE, °C

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS PER LEG

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

AMPERES

PEAK FORWARD SURGE CURRENT,

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT PER LEG

8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)

=105°C

T

C

NUMBER OF CYCLES AT 60 H

FIG. 4 - TYPICAL REVERSE CHARACTERISTICS

TJ=125°C

TJ=100°C

PER LEG

Z

AMPERES

INSTANTANEOUS FORWARD CURRENT,

INSTANTANEOUS FORWARD VOLTAGE,

FIG. 5 - REVERSE SWITCHING CHARACTERISTICS

IF=9.0A
VR=30V

RECOVER Y TIME, nC/ns

STORED CHARGE/REVERSE

PER LEG

VOLTS

di/dt=100A/µs

di/dt=20A/µs

di/dt=50A/µs
di/dt=100A/µs
di/dt=50A/µs
di/dt=150A/µs

di/dt=20A/µs

MICROAMPERES

TJ=25°C

INSTANTANEOUS REVERSE LEAKAGE CURRENT,

PERCENT OF RATED PEAK REVERSE

VOLTAGE, %

FIG. 6 - TYPICAL JUNCTION CAPACITANCE PER LEG

TJ=125°C
f=1.0 MHz
Vsig=50MVp-p

t

rr

Q

rr

JUNCTION CAPACITANCE, pF

JUNCTION TEMPERATURE, °C

REVERSE VOLTAGE, V OLTS