LL4148 / LL4448

SMALL SIGNAL SWITCHING DIODE

Case: MINI MELF glass sealed envelope.

Terminals: Plated axial leads, solderable per MIL-STD-750,

Method 2026

Polarity: Color band denotes cathode end

Mounting Position: Any

Weight:0.002 ounce, 0.05 grams

●

Silicon epitaxial planar diode

●

Fast switching diodes

●

500mw power dissipation

●

High temperature soldering guaranteed

250℃/10S at terminals

Dimensions in inches and (millimeters)

0.146(3.7)

0.130(3.3)

0.063(1.6)

0.055(1.4)

0.020(0.5)

0.012(0.3)

0.020(0.5)

0.012(0.3)

MINI MELF (LL-34)

DIA.

FEATURES

MECHANICAL DATA

Characteristic

Non-Repetitive Peak Voltage

Symbol

θ

LL4148 / LL4448

Unit

V

V

TJ TSTG

-65 to +175

Characteristic

Symbol

V(BR)R

Min

Max

Unit

V

V

Reverse Recovery Time

Ω

VF

IR

A

m

W

m

K/W

C

Forward Voltage

Cj

PF

Reverse Breakdown Voltage

R JA

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

Non-Repetitive Peak Forward Surge Current

Power Dissipation

Thermal Resistance Junction to Ambient

Operating and Strorage Temperature Range

,

100

75

150

2.0

500

300

LL4148

LL4448

Junction Capacitance

Leakage Current

0.62

100

1.0

0.72

1.0

25

5

50

4

4

µA

nS

-

-

-

-

-

-

Note: 1.Valid Provided that device Terminals are Kept at Ambient Temperature.

@t=1.0us

A

C