TLRA270
TLRA270 is TOSHIBA LED Lamp GaAAs Red−light Emitter manufactured by Toshiba.
TOSHIBA LED Lamp Ga AℓAs Red- light Emitter
Auxiliary Light Source For Auto- focus Camera
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- - Resin molding with accurate luminous position LED in DH structure yielding high radiant flux Harmonious wavelength of visual sensitivity and detective device Pulse drive rating and characteristic expression optimized for use in cameras Unit: mm
Maximum Ratings (Ta = 25°C)
Characteristic Forward current Pulse forward current Reverse voltage Operating temperature Storage temperature
Symbol IF (Note 1) IFp (Note 2) VR Topr Tstg
Rating 25 165 3
- 20~50
- 30~100
Unit m A m A V °C °C
TOSHIBA Weight: 0.16 g (typ.)
(Note 1): This rating is the parmissible value for acceptance inspection or characteristic test and is not guaranteed for actual use. (Note 2):
- Rated pulse current values corresponding to temperature changes are as shown in the following table:
Temperature -20°C 25°C 45°C
- IFP 165 m A + 15% 165 m A 165 m A -10%
Pin Connection
1 2 1. 2. Cathode Anode
The rated period is 3000 cycles of the waveform shown in the following diagram :
200ms On Off IFP 10 Pulses 3.5s 1 cycle 5s 150ms
2002-09-25
Optical And Electrical Characteristics (Ta = 25°C)
Characteristic Forward voltage Pulse forward voltage Reverse current Lens diameter Radiant flux Directional half value angle Peak emission wave length Spectral line half width Symbol VF VFP IR ¾ fe θ λP ∆λ Test Condition IF = 20 m A IFP = 150 m A, t = 10 ms VR = 3 V Resin lense diameter IF = 150 m A, t = 10ms (Note) IF = 70 m A IF = 70 m A, about 3 s IF = 70 m A, about 3 s Min ¾ ¾ ¾ ¾ 12 ¾ 680 ¾ Typ. 1.8 2.7 ¾ 2 18 30 695 28 Max ¾ 3.2 100 ¾ ¾ ¾ 710 35 Unit V V µA mm m W ° nm nm
(Note): Radiant flux fe depends on position of TLRA270 relative to light-receiving surface.
23.5mm
Detector
Precautions
Please be careful of the followings. 1. Soldering temperature : 260°C max Soldering time : 5 s max (soldering portion of lead: at above 1.5 mm from the body of the device) 2. When forming the leads,...