Fairchild Semiconductor SB520, SB5100, SB530, SB540, SB550 Datasheet

Discrete POWER & Signal

Technologies

SB520 - SB5100

Features

• Metal to silicon rectifier, majority

carrier conduction.

• For use in low voltage, high

frequency inverters free
wheeling, and polarity
protection applications.

• Low power loss, high efficiency .

• High current capability, low V

F.

• High surge capacity.

5.0 Ampere High Current Schottky Barrier Rectifiers

DO-201AD

COLOR BAND DENOTES CATHODE

1.0 min (25.4)

Dimensions in

inches (mm)

0.375 (9.53)

0.285 (7.24)

0.210 (5.33)

0.190 (4.83)

0.052 (1.32)

0.048 (1.22)

SB520-SB5100

Absolute Maximum Ratings* T

= 25°C unless otherwise noted

A

Symbol Parameter Value Units

I

O

i

f(surge)

P

D

R

θ

JA

T

stg

T

J

Average Rectified Current

.375 " lead length @ T

= 75°C

A

Peak Forward Surge Current

8.3 ms single half-sine-wave
Superimposed on rated load (JEDEC method)

Total Device Dissipation

Derate above 25°C

Thermal Resistance, Junction to Ambient 25
Storage Temperature Range -50 to +150
Operating Junction Temperature -50 to +150

5.0 A

150 A

5.0
40

mW/°C

C/W

°

W

C

°

C

°

*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.

Electrical Characteristics T

= 25°C unless otherwise noted

A

Parameter Device Units

520 530 540 550 560 580 5100

Peak Repetitive Reverse Voltage 20 30 40 50 60 80 100 V
Maximum RMS Voltage 14212835425670 V
DC Reverse Voltage (Rated VR)
Maximum Reverse Current TA = 25°C

@ rated V

R

TA = 100°C
Max imum Forward Voltage @ 5.0 A 0.55 0.67 0.85 V
Typical Junction Capacitance

= 4.0 V, f = 1.0 MHz

V

R

20 30 40 50 60 80 100 V

0.5 mA

50 25 mA

500 380 pF

1999 Fairchild Semiconductor Corporation

SB520 - SB5100, Rev. A

T ypical Characteristics

SB520-SB5100

High Current Schottky Barrier Rectifiers

(continued)

Forward Current Derating Curve

5

4

SB520-SB540

3

SINGLE PHASE
HALF WAVE

2

60HZ
RESISTIVE OR
INDUCT IVE L OAD

1

.375" (9.00mm) LOAD

FORWARD CURRE NT (A)

LENGTHS

0

0 25 50 75 100 125 150 175

AMBI ENT TEMPERATURE ( C)

SB550-SB5100

º

Forward Charact eristics

40

SB520-SB540

10

SB580-SB5100

1

FORWARD CURRE NT (A)

0.1

0.4 0.5 0.6 0.7 0.8 0.9 1 1.1

SB550-SB560

T = 25 C

º

A

Pulse Width = 300µS
2% Duty Cycle

FORWARD VOLTAGE (V)

Non-Repetitive Surge Current

150

120

90

60

30

0

PEAK FORWARD SURGE CURRENT (A)

12 51020 50100

NUMBER OF CYCLES AT 60Hz

Reverse Characteristics

20

SB520-SB540

10

SB550-SB5100

1

SB520-SB540

0.1

0.01

REVERSE CURRENT (mA)

0.001

PERCENT OF RATE D PEAK REVER SE VO LTAGE (%)

SB550-SB5100

0 20406080100120140

T = 100 C

º

A

º

T = 75 C

A

º

T = 25 C

A

Typical Junction Capacitance

5000

2000

1000

500

SB550-SB5100

200

JU NC TION CA PACITAN CE (pF)

100

0.1 1 10 100

REVERS E VOLTA GE (V)

SB520-SB540

SB520 - SB5100, Rev. A