Datasheet > LL4448

LL4448

更新时间： 2024-11-06 14:56:03

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森美特 - SUNMATE		/
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描述
Switching Diodes Switch detector

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LL4448 数据手册

LL4448

FAST SWITCHING SURFACE MOUNT DIODES

Features

Fast Switching Speed

Surface Mount Package Ideally Suited for

Automatic Insertion

General Purpose Rectification

Silicon Epitaxial Planar Construction

Mechanical Data

Case: SOD-80/LL34, Glass

LL34/ SOD-80

Terminals: Solderable per MIL-STD-202,

Dim

Min

3.30

1.30

0.28

Max

3.70

1.60

0.50

Method 208

Polarity: Cathode Band

Weight: 0.05 grams (approx.)

All Dimensions in mm

@ T_A= 25°C unless otherwise specified

Maximum Ratings

Characteristic

Symbol

LL4448

Unit

V_RM

Non-Repetitive Peak Reverse Voltage

100

V_RRM

V_RWM

V_R

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

V_R(RMS)

I_FM

RMS Reverse Voltage

Forward Continuous Current (Note 1)

Average Rectified Output Current (Note 1)

500

150

I_O

Non-Repetitive Peak Forward Surge Current @ t = 1.0s

1.0

2.0

I_FSM

P_d

@ t = 1.0ms

Power Dissipation (Note 1)

500

1.68

mW/°C

Derate Above 25°C

R_qJA

Thermal Resistance, Junction to Ambient Air (Note 1)

Operating and Storage Temperature Range

300

K/W

T_j, T_STG

-65 to +175

°C

@ T_A= 25°C unless otherwise specified

Electrical Characteristics

Characteristic

Symbol

Min

Max

Unit

Test Condition

Maximum Forward Voltage

I_F= 5.0mA

I_F= 100mA

V_FM

LL4448

0.62

0.72

1.0

V_R= 75V

5.0

V_R= 70V, T_j= 150°C

V_R= 20V, T_j= 150°C

I_RM

Maximum Peak Reverse Current

_R= 20V

V_R= 0, f = 1.0MHz

C_j

t_rr

Capacitance

4.0

I_F= 10mA to I_R=1.0mA

V_R= 6.0V, R_L= 100W

Reverse Recovery Time

Notes: 1. Valid provided that device terminals are kept at ambient temperature.

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