General Semiconductor SL42, SL43, SL44 Datasheet

SL42 THRU SL44

LOW VFSURFACE MOUNT SCHOTTKY BARRIER RECTIFIER

Reverse Voltage - 20 to 40 Volts Forward Current - 4.0 Amperes

FEATURES

¨ Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

¨ For surface mount applications
¨ Low profile package
¨ Built-in strain relief, ideal for automated placement
¨ Easy pick and place
¨ Metal silicon junction,

majority carrier conduction

¨ Low power loss, high efficiency
¨ High current capability, low forward voltage drop
¨ For use in low voltage, high frequency inverters, free

wheeling, and polarity protection applications

¨ High temperature soldering:

250¡C/10 seconds at terminals

MECHANICAL DATA

Case: JEDEC DO-214AB molded plastic body
Terminals: Solder plated, solderable per MIL-STD-750,

Method 2026

Polarity: Color band denotes cathode end
Weight: 0.007 ounce 0.25 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25¡C ambient temperature unless otherwise specified.

SYMBOLS SL42 SL43 SL44 UNITS

Device marking code SL2 SL3 SL4

Maximum repetitive peak reverse voltage V

RRM

20 30 40 Volts

Maximum RMS voltage V

RMS

14 21 28 Volts

Maximum DC blocking voltage V

DC

20 30 40 Volts

Maximum average forward rectified current

(NOTE 2)

4.0

at T

L (SEE FIG. 1) (NOTE 3)

I

(AV)

8.0

Amps

Peak forward surge current

8.3ms single half sine-wave superimposed on I

FSM

150 Amps

rated load (JEDEC Method)

Maximum instantaneous forward voltage at:

(NOTE 1)

IF=4.0A, TA=125¡C 0.31 0.35
I

F

=4.0A, TA=25¡C V

F

0.42 0.44 Volts

I

F

=8.0A, TA=125¡C 0.37 0.41

I

F

=8.0A, TA=25¡C 0.47 0.50

Maximum DC reverse current

(NOTE 1)TA

=25¡C 0.5

at rated DC blocking voltage T

A

=100¡C

I

R

35.0

mA

Typical thermal resistance

(NOTE 2)

R

QJA

50

R

QJL

14

¡C/W

Operating junction temperature range T

J

-55 to +125 ¡C

Storage temperature range T

STG

-55 to +150 ¡C

NOTES:

(1) Pulse test: 300ms pulse width, 1% duty cycle,
(2) P.C.B. mounted 0.55 x 0.55Ó (14 x 14mm) copper pad areas, TL=90°C
(3) Mounted on Al plate, T

L

=60°C, R

QJL

=6°C/W

0.006 (0.152)

0.012 (0.305)

0.030 (0.76)

0.060 (1.52)

0.008 (0.203)

0.305 (7.75)

0.320 (8.13)

0.260 (6.60)

0.280 (7.11)

0.079 (2.06)

0.103 (2.62)

0.220 (5.59)

0.245 (6.22)

MAX.

DO-214AB

Dimensions in inches and (millimeters)

NEW PRODUCT NEW PRODUCT NEW PRODUCT

2/16/99

RATINGS AND CHARACTERISTIC CURVES SL42 THRU SL44

FIG. 1 - FORWARD CURRENT DERATING CURVE

AVERAGE FORWARD CURRENT,

AMPERES

LEAD TEMPERATURE,°C

R

QJL

= 6°C/W

R

QJL

= 14°C/W

FIG. 2 - MAXIMUM NON-REPETITIVE PEAK

FORWARD SURGE CURRENT

NUMBER OF CYCLES AT 60 H

Z

PEAK FORWARD SURGE CURRENT,

AMPERES

TJ=TJmax.

8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)

TJ=125¡C

FIG. 3 - TYPICAL INSTANTANEOUS FORWARD

CHARACTERISTICS

FIG. 4 - TYPICAL REVERSE

CHARACTERISTICS

INSTANTANEOUS FORWARD CURRENT,

AMPERES

INSTANTANEOUS REVERSE CURRENT,

MILLIAMPERES

INSTANTANEOUS FORWARD VOLTAGE,

VOLTS

PERCENT OF RATED PEAK REVERSE VOLTAGE, %

FIG. 5 - TYPICAL JUNCTION CAPACITANCE

JUNCTION CAPACITANCE, pF

REVERSE VOLTAGE, VOLTS

TJ=75¡C

TJ=25¡C

TJ=25¡C

PULSE WIDTH=300ms
1% DUTY CYCLE

TJ=125¡C

TJ=25¡C
f=1.0 MH

Z

Vsig=50mVp-p

SL42 AND SL43
SL44

10

8

150

125

6

100

75

4

50

2

25

0

0

25

50

75

100

125

50

10

1

0

1

10

100

50

10

1

4,000

1,000

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

100

0.1

1

10

100

0.1

0.01

0.001
0

20

40

60

80

100