CE

1N4148

CHENYI ELECTRONICS

SMALL SIGNAL SWITCHING DIODE

FEATURES

. Silicon epitaxial planar diode

. Fast swithching diodes

. 500mW power dissipation

. The diode is also available in the Mini-Melf case with the type

designation LL4148

MECHANICAL DATA

. Case: DO-35 glass case

. Polarity: Color brand denotes cathode end

. Weight: Approx. 0.13gram

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

(Ratings at 25

ambient temperature unless otherwise specified)

Symbol

Value

Units

Reverse voltage

75

Volts

Peak reverse voltage

100

Volts

Average rectified current, Half wave rectification with

150

mA

and F 50Hz

500

mA

Ptot

mW

Junction temperature

175

Storage temperature range

-65 to + 175

1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35)

ELECTRICAL CHARACTERISTICS

(Ratings at 25

ambient temperature unless otherwise specified)

Symbols

Min.

Typ.

Max.

Units

Forward voltage

1

Volts

Leakage current

25

nA

5

nA

50

nA

4

pF

Voltage rise when switching ON tested with 50mA

2.5

Volts

pulse Tp=0.1 S, Rise time<30

4

ns

Thermal resistance junction to ambient

R

JA

350

K/W

0.45

1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature(DO-35)

Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD

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