RLD78PZW4

Laser Diodes

1/2

AlGaAs laser diode

RLD78PZW4

The RLD78PZW4 is infrared laser diode high power output type (pulse 230mW). This is the best for optical disk drive use,

such as CD-R / RW.

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!Applications

Max.

×52 speed CD-R / RW drives.

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!Features

1) Absolute maximum optical power output : pulse 230mW

2) Wave length : Typ. 784nm

3)

φ5.6mm small packages

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!External dimensions (Unit : mm)

+0

0.4

±0.1

3

−φ0.45

(2)

(1)

(3)

(3)

(1)

L.D.

(2)

−0.025

φ5.6

Glass window

Chip

90

°±2°

P

t

y

p

e

Equivalent circuit diagram

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!Absolute maximum ratings (Tc=25

°C)

Parameter

Output

Raser

Operating temperature

Storage temperature

Tstg

Topr

Pulsed 230

Pulse condition : pulse 70nsec,

Duty50%

2

PIN photodiode

−

−10 to +75 (Pulsed)

−40 to +85

mW

V

−

Symbol

Limits

Unit

°C

°C

Reverse

voltage