Fairchild Semiconductor 1N5819, 1N5818, 1N5817 Datasheet

1N5817 - 1N5819

Features

• 1.0 ampere operation at T

with no thermal runaway.

• For use in low voltage, high

frequency inverters free
wheeling, and polarity
protection applications.

1.0 Ampere Schottky Barrier Rectifiers

= 90°C

A

COLOR BAND DENOTES CATHODE

DO-41

Discrete POWER & Signal

Technologies

1.0 min (25.4)

Dimens i o ns in

inches (mm)

0.205 (5.21)

0.160 (4.06)

0.107 (2.72)

0.080 (2.03)

0.034 (0.86)

0.028 (0.71)

1N5817-1N5819

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

= 90°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 80
Storage Temperature Range -65 to +125
Operating Junction Temperature -65 to +125

1.0 A

25 A

1.25

12.5

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

1N5817 1N5818 1N5819

Peak Repetitive Reverse Voltage 20 30 40 V
Maximum RMS Voltage 14 21 28 V
DC Reverse Voltage (Rated VR)
Maximum Reverse Current TA = 25°C

@ rated V

R

TA = 100°C

Maximum Forward Voltage @ 1.0 A

@ 3.0 A

Typical Junction Capacitanc e

V

= 4.0 V, f = 1.0 MHz

R

20 30 40 V

0.5
10

450
750

550
875

600
900

110 pF

mA
mA

mV
mV

1998 Fairchild Semiconductor Corporation

T ypical Characteristics

1N5817-1N5819

Schottky Barrier Rectifiers

(continued)

Forward Current De ratin g Curve

1

0.75

SINGLE PHASE

HALF WAVE

FORWAR D CURRE NT (A )

0.5

0.25

0

60HZ

RESISTIVE OR

INDUCTIVE LOAD

.375" 9.5 mm LEAD

LENGTHS

0 20 40 60 80 100 120 140

LEAD TEMPERATURE ( C)

º

Non-Repetitive Surge Current

30

25

20

15

10

5

FORWARD SURGE CURRENT (A)

0

12 51020 50100

NUMBER OF CYCLES AT 60Hz

8.3ms Single Half Sine- Wave

JEDEC Method

Forward Charact eristics

20
10

1N5817

1N5819

1

FORWAR D CU RRENT (A)

0.1

0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

1N5818

T = 25 C

J

Pulse Width = 300µS
1% Duty Cycle

FORWARD VOLTAGE (V)

º

Junction Capacitance

400

200

100

80
60

40

CAPACITANC E (pF)

20

10

0.1 0.5 1 5 10 4060 100

REVERSE VOLTAGE (V)

T = 25 C

J

º