1S20 THRU 1S100

CURRENT 1.0Ampere

VOLTAGE 20 to 40 Volts

Features

Mechanical Data

Maximum Ratings and Electrical Characteristics

Notes:

(1) Pulse test: 300μS pulse width, 1% duty cycle

(2) Thermal resistance from junction to ambient P.C.B. mounted, 0.5"(12.7mm) lead length

(3) Measured 1.0MHz and reverse voltage of 4.0 volts

· Plastic Package has Underwriters Laboratory

Flammability Classification 94V-0

· Metal silicon junction, majority carrier conduction

· Low power loss, high efficiency

· High current capability, Low forward voltage drop

· High surge capability

· For use in low voltage, high frequency inverters,

free wheeling, and polarity protection applications

· Case : R-1 molded plastic body

· Terminals : Plated axial leads, solderable per

MIL-STD-750, Method 2026

· Polarity : Color band denotes cathode end

· Weight : 0.007 ounce, 0.20 gram

(Ratings at 25℃ ambient temperature unless otherwise specified, single phase, half wave, resistive or inductive

load. For capacitive load, derate by 20%)

Symbols

1S20

1S40

Units

Maximum repetitive peak reverse voltage

20

30

40

Volts

Maximum RMS voltage

0.55

0.70

0.75

Maximum DC blocking voltage

Volts

Maximum average forward rectified

1.0

Amp

Peak forward surge current 8.3ms single half

sine-wave superimposed on rated load

40.0

Amps

Maximum instantaneous forward voltage

at 1.0A (Note 1)

0.5

Volts

10

Maximum instantaneous reverse

current at rated DC blocking

voltage (Note1)

110

mA

Typical thermal resistance (Note 2)

50

℃/W

Operating junction temperature range

-65 to +125

℃

Volts

1S30

14

21

28

20

30

40

P

F

Typical junction capacitance (Note 3)

Storage temperature range

-65 to +150

-65 to +150

℃

0.83

1S50

1S80

50

60

80

1S60

35

42

57

50

60

80

1S100

100

71

100

Dimensions in inches and (millimeters)

R-1

0.787(20.0)

MIN.

0.787(20.0)

MIN.

0.126(3.2)

0.106(2.7)

0.025(0.65)

0.021(0.55)

DIA.

0.102(2.6)

0.091(2.3)

DIA.