CE

SRF820 THRU SRF8A0(SINGLE CHIP)

CHENYI ELECTRONICS

SCHOTTKY BARRIER RECTIFIER

Reverse Voltage - 20 to 100 Volts

Forward Current - 8.0Amperes

FEATURES

. Plastic package has Underwriters Laboratory Flammability Classification 94V-0

. Metal sliicon junction ,majority carriet conduction

. Guard ring for overcoltage protection

. Low power loss,high efficiency

. High current capability ,Low forward voltage drop

. Single rectifier construction

. High surge capability

. For use in low voltage ,high frequency inverters,

free wheeling , and polarilty protection applications

. High temperature soldering guaranteed: 250

/10 seconds

0.25"(6.35mm)from case

MECHANICAL DATA

. Case: JEDEC DO-220AC molded plastic body

. Terminals: lead solderable per MIL-STD-750,method 2026

. Polarity: As marked

. Mounting Position: Any

. Weight: 0.08 ounce, 2.24 gram

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

(Ratings at 25

ambient temperature unless otherwise specified,Single phase,half wave,resistive or inductive)

load. For capacitive load,derate by 20%)

Symbols SRF820 SRF830 SRF840 SRF850 SRF860 SRF880SRF8A0 Units

Maximum repetitive peak reverse voltage

20

30

40

50

60

80

100

Volts

Maximum RMS voltage

14

21

28

35

42

57

71

Volts

Maximum DC blocking voltage

20

30

40

50

60

80

100

Volts

Macimum average forward rectified

current(see Fig.1)

Repetitive peak forward current(square wavr,

20KHz) at Tc=105

Peak forward surge current 8.3ms singel half

sine-wave superimposed on rated load

(JEDEC method)

Maximum instantaneous forward voltage at 7.5 A(Note 1)

0.8

0.85

Volts

Maximum instantaneous reverse

TA=25

current at rated DC blocking voltage(Note 1)

TA=125

Operating junction temperature range

storage temperature range

Notes: 1. Pulse test: 300

s

pulse width,1% duty cycle

2.Thermal resistance from juntion to case

-65 to +125

-65 to +150

-65 to +150

Typeical thermal resistance(Note 2)

R

JC

5.0

/W

1.0

mA

15

50

150.0

Amps

0.65

0.75

8.0

Amps

16.0

Amps

Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD

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