Panasonic LN145W Data Sheet

查询LN145供应商 Visible Light Emitting Diodes (Red)

LN145W Ga Al As Red Light Emitting Diode

Unit : mm

Light source for optical fiber communications,

Features Red light emission close to monochromatic light : λP = 700 nm High-power output, high-efficiency High coupling characteristics and suits to a plastic fiber

High-speed response : –3d B modulation of 10MHz

Side-view flat resin package 0.45±0.2

Absolute Maximum Ratings (Ta = 25˚C)

1: Cathode 2: Anode

Parameter Symbol Ratings Unit Power dissipation PD m W

Forward current (DC) IF m A .8 in 3. 9± 0. (2 .9 5) 1. 5± 0.

Pulse forward current IFP m A Reverse voltage (DC) VR Operating ambient temperature Topr –25 to +85 ˚C Storage temperature Tstg –30 to +100 ˚C

ot ol de re 0. ax

* tw = 10 µs, Duty cycle = 10 %

Electro-Optical Characteristics (Ta = 25˚C) Parameter Symbol Conditions min typ max Unit Radiant power PO IF = 20m A 2.5 m W Peak emission wavelength λP IF = 20m A nm Spectral half band width ∆λ IF = 20m A nm Forward voltage (DC) VF IF = 20m A 1.8 2.2 Reverse current (DC) IR VR = 3V µA Half-power angle The angle in which radiant intencity is 50% deg. Response time tr, tf IFP = 100m A ns Cutoff frequency f C MHz

PO(at f = f C)

*Cutoff frequency f C : Frequency at which 10 × log = – 3

PO(at f = 1MHz)

[Element moisture resistance] It is difficult to guarantee that the LN145W will meet the moisture resistance specifications (MIL-STD-202D) which are commonly guaranteed for semiconductors.