RLD78PPY4
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Laser Diodes
Al Ga As laser diode
The RLD78PPY4 is infrared laser diode high power output type (pulse 240m W). This is the best for optical disk drive use, such as CD-R/RW. z Applications Max. X52 speed CD-R/RW drives. z Features 1) Absolute maximum optical power output : pulse 240m W 2) Wave length : Typ. 784nm 3) φ5.6mm small packages z Dimensions (Unit : mm)
90°±2° 0.4±0.1
Equivalent circuit diagram
φ1.0Min.
P t y p e
φ4.4+0
(3) L.D. (1) (2)
1.0±0.1
φ5.6
+0
- 0.025
φ3.6 1.2±0.1 2.3 6.5±0.5 (1.35)
3- φ0.45 (3) (2) (1)
Chip z Absolute maximum ratings (Tc=25°C)
Parameter Output Reverse voltage Raser PIN photodiode Symbol PO VR VR(PIN) Topr Tstg Limits Pulsed 240 Pulse condition : pulse 50ns, Duty50% 2
- - 10 to +70 (Pulsed)
- 40 to +85 Unit m W V
- °C °C
Operating temperature Storage temperature
1/2
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Laser Diodes z Electrical and optical characteristics (Tc=25°C､CW)
Parameter Threshold current Operating current Operating voltage Differential...
