Fairchild 1N5820, 1N5821, 1N5822 service manual

Features

• 3.0 ampere operation at T

with no thermal runaway.

= 95°C

A

• For use in low voltage, high

frequency inverters free
wheeling, and polarity
protection applications.

Schottky Rectifiers

1N5820 - 1N5822

DO-201AD

COLOR BAND DENOTES CATHODE

1N5820-1N5822

Absolute Maximum Ratings* T

Symbol

V

Maximum Repetitive Reverse Voltage 20 30 40 V

RRM

I

Average Rectified Forward Current

F(AV)

I

Non-repetitive Peak Forward Surge Current

FSM

T

stg

TJ Operating Junction Temperature -65 to +125

3/8 " lead length @ T

8.3 ms Single Half-Sine-Wave

Storage Temperature Range -65 to +125

Parameter

= 95°C

A

= 25°C unless otherwise noted

A

Value

1N5820 1N5821 1N5822

3.0 A
80 A

Units

C

°

C

°

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

Thermal Characteristics

Symbol

PD Power Dissipation 3.6 W
R

JA

θ

Thermal Resistance, Junction to Ambient 28

Electrical Characteristics T

Symbol

VF Forward Voltage @ 3.0 A
IR

CT Total Capacitance

@ 9.4 A
Reverse Current @ rated V

V

= 4.0 V, f = 1.0 MHz

R

Parameter

= 25°C unless otherwise noted

A

Parameter

TA = 25°C

R

TA = 100°C

Value

Device

1N5820 1N5821 1N5822

475
850

500
900

0.5
20

525
950

Units

C/W

°

Units

mV
mV
mA
mA

190 pF

1N5820-1N5822, Rev. C2001 Fairchild Semiconductor Corporation

T ypical Characteristics

1N5820-1N5822

Schottky Rectifiers

(continued)

4

[A]

F

3

SINGLE PHASE

HALF WAVE

2

1

0

0 20 40 60 80 100 120 140

Average Rectified Forward Current, I

60HZ

RESISTIVE OR

INDUCTIVE LOAD

.375" 9.5 mm LEAD

LENGTHS

Lead Temperature [ºC]

Figure 1. Forward Current Derating Curve

80

[A]

70

FSM

60

8.3ms Sin gle Half Sine-Wave

JEDEC Method

50

40

30

20

10

Peak Forward Surge Current, I

12 51020 50100

Number of Cycles at 60Hz

Figure 3. Non-Repetitive Surge Current

[A]

F

20
10

º

T = 25 C

J

Pulse Width = 200

µµµµ

S

1N5821

1N5820

1N5822

1

Forward Current, I

0.1

0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Forward Voltage, VF [V]

Figure 2. Forward Voltage Characteristics

100

[mA]

R

10

1N5820

1N5821

º

T = 125 C

J

1N5822

º

T = 75 C

J

1

º

T = 25 C

J

0.1

Reverse Current, I

0.01
5 10152025303540

Reverse Voltage, VR [V]

Figure 4. Reverse Current vs Reverse Voltage

1000

800
600

400

[pF]

T

200

100

80
60

40

20

Total Capacitance, C

10

0.1 0.4 1 4 10 40 100

Reverse Voltage, VR [V]

Figure 5. Total Capacitance

1N5820-1N5822, Rev. C2001 Fairchild Semiconductor Corporation