Схемотехника блоков питания персональных компьютеров. часть 5

SBL3030PT AND SBL3040PT
SCHOTTKY RECTIFIER

Reverse Voltage — 30 and 40 Volts Forward Current — 30.0 Amperes

TO-247AD
0.245 (6.2)
0.225 (5.7)
0.645 (16.4)
0.625 (15.9)
0.840 (21.3)
0.820 (20.8)
0.323 (8.2)
0.313 (7.9)
0.170
(4.3)
0.142 (3.6)
0.138 (3.5)
0.078 REF
(1.98)

10o

123
0.160 (4.1)
0.140 (3.5)
0.795 (20.2)
0.775 (19.6)
0.086 (2.18)
0.076 (1.93)
0.127 (3.22)
0.117 (2.97)

1o REF.

BOTH SIDES
0.203 (5.16)
0.193 (4.90)

30o

10o TYP.

BOTH SIDES
0.118 (3.0)
0.108 (2.7)
0.225 (5.7)
0.205 (5.2)
0.048 (1.22)
0.044 (1.12)
PIN 1
PIN 3
PIN 2
CASE
0.030 (0.76)
0.020 (0.51)
Dimensions in inches and (millimeters)
FEATURES

Plastic package has Underwriters Laboratory

Flammability Classifications 94V-0

Metal to silicon rectifier,

majority carrier conduction

Low power loss,

high efficiency

High current capability,

low forward voltage drop

High surge capability

For use in low voltage, high frequency inverters, free

wheeling, and polarity protection applications

Dual rectifier construction, positive center-tap

Guardring for overvoltage protection

High temperature soldering guaranteed:

250°C/10 seconds, 0.17” (4.3mm)
MECHANICAL DATA

Case: JEDEC TO-247AD molded plastic body

Terminals: Lead solderable per MIL-STD-750,

Method 2026

Polarity: As marked

Mounting Torque: 10 in. — lbs. max.

Mounting Position: Any

Weight: 0.2 ounce, 5.6 grams

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current

at TC=100°C

Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
(JEDEC Method)
Maximum instantaneous forward voltage

per leg at 15A (NOTE 1)

Maximum instantaneous reverse current at TC=25°C

rated DC blocking voltage per leg (NOTE 1) TC=100°C

Typical thermal resistance (NOTE 2)

Operating junction and storage temperature range
SYMBOLS

VRRM

VRMS

VDC

I(AV)

IFSM

VF

IR

RΘJC

TJ, TSTG

SBL3030PT
30
21
30
SBL3040PT
40
28
40
30.0
275.0
0.55
1.0
75.0
1.5
-40 to +125
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
mA
°C/W
°C
NOTES:

(1) Pulse test: 300µs pulse width, 1% duty cycle

(2) Thermal resistance from junction to case per leg
4/98

RATINGS AND CHARACTERISTIC CURVES SBL3030PT AND SBL3040PT

FIG. 1 — FORWARD CURRENT DERATING CURVE
30
RESISTIVE OR INDUCTIVE LOAD
24
18
12
6

0 50 100 150
CASE TEMPERATURE, °C
300
250
200
150
100
50

1
FIG. 2 — MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT PER LEG

TJ=TJ max.

8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
10
NUMBER OF CYCLES AT 60 Hz
100
FIG. 3 — TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER LEG
50

PULSE WIDTH=300µs

1% DUTY CYCLE
10

TJ=125°C

1

TJ=25°C

100
FIG. 4 — TYPICAL REVERSE
CHARACTERISTICS PER LEG

10 TJ=125°C

1

TJ=75°C

0.1 0.1

0.01
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
5,000
FIG. 5 — TYPICAL JUNCTION CAPACITANCE PER LEG

TJ=25°C

f=1.0 MHz
Vsig=50mVp-p
1,000
0.01

TJ=25°C

0 20 40 60 80 100
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
100
FIG. 6 — TYPICAL TRANSIENT THERMAL
IMPEDANCE PER LEG
10
1
100
0.1
1 10
REVERSE VOLTAGE, VOLTS
100
0.1
0.01
0.1 1
10
t, PULSE DURATION, sec.
100