LL4448 datasheet(1/2 Pages) FORMOSA

部件名	LL4448

功能描述	Silicon epitaxial planar type

PDF	2 Pages

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制造商	FORMOSA [Formosa MS]

网页	http://www.formosams.com

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1 / 2 page

MINI-MELF Switching Diode

LL4448

Silicon epitaxial planar type

Features

Small surface mounting type

High reliability

High speed ( trr < 4 ns )

Mechanical data

Case : Glass, SOD-80 (MINI-MELF)

Terminals : Solder plated, solderable per MIL-STD-750,

Method 2026

Polarity : Indicated by cat hode band

Mounting Position : Any

Weight : 0.015 gram

MAXIMUM RATINGS (AT TA=25

oC unless otherwise noted)

PARAMETER

CONDITIONS

Symbol

MIN.

TYP.

MAX.

UNIT

Repetitive peak reverse voltage

VRRM

100

V

Reverse voltage

VR

75

V

Peak forward surge current

tp= 1 us

IFSM

2.0

A

Repetitive peak forward voltage

IFRM

500

mA

Forward current

IF

300

mA

Average forward current

VR = 0

IFAV

150

mA

Power dissipation

PV

500

mW

Junction temperature

Tj

175

oC

Storage temperature

TSTG

-55

+175

oC

Formosa MS

Dimensions in inches and (millimeters)

.063(1.6)

.055(1.4)

.146(3.7)

.130(3.3)

.012(.30)

SOLDERABLE

ENDS

.063(1.6)

.055(1.4)

.146(3.7)

.130(3.3)

.012(.30)

SOLDERABLE

ENDS

ELECTRICAL CHARACTERISTICS (AT TA=25

oC unless otherwise noted)

PARAMETER

CONDITIONS

Symbol

MIN.

TYP.

MAX.

UNIT

Forward voltage

IF = 100mA

VF

0.93

1.00

V

VR = 20V

IR

25

nA

VR = 20V , Tj = 150

oC

IR

50

uA

VR = 75V

IR

5.0

uA

Breakdown current

IR = 100uA , TP/T = 0.01 TP = 0.3ms

V(BR)

100

V

Diode capacitance

VR = 0 , f = 1MHz , VHF = 50mV

CD

4.0

pF

Rectification efficiency

VHF = 2V , f = 100MHz

nR

45

%

IF = IR = 10mA , IRR = 1mA

trr

8

ns

Reverse recovery time

IF =10mA, VR =6V, IRR = 0.1 X IR, RL=100OHM

trr

4

ns

Reverse current

SOD-80

类似零件编号 - LL4448

制造商	部件名	数据表	功能描述
Vishay Siliconix	LL4448	292Kb / 5P	Small Signal Fast Switching Diodes 24-Mar-06
Zowie Technology Corpor...	LL4448	43Kb / 2P	SILICON EPITAXIAL PLANAR DIODES
Semtech Corporation	LL4448	261Kb / 4P	Silicon Expitaxial Planar Diode?
Shanghai Lunsure Electr...	LL4448	170Kb / 3P	SMALL SIGNAL SWITCHING DIODE
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