ROHM SIM-22ST Product Data Sheet Manual

Infrared light emitting diode, side-view type SIM-22ST The SIM-22ST is a Ga As infrared light emitting diode housed in side emission. High output with 1.5 lens.

Applications Dimensions (Unit : mm) Light source for sensors

Notes: 1. Tolerances are ± 0.2 unless otherwise indicated. 2. Value in parenthese is size

Features

at base of leads.

1) Compact package (4.7x4.6 mm) with lens.

2) High efficiency, high output.

3) Emission spectrum well suited to silicon detectors (P = 950 nm).

4) Good current-optical output linearity. R0.5

5) Long life, high reliability.

0.64 at re ai nd er (2.54) 0. 3M ax

Cathode 2Anode

2. 1. in 4. 0. 1. 2. .1

Absolute maximum ratings (Ta=25C)

Parameter Symbol Limits Unit

Forward current IF m A

Reverse voltage VR

Power dissipation PD m W

Pulse forward current IFP∗ 0.5

Operating temperature Topr −25 to +85 °C

Storage temperature Tstg −30 to +100 °C

∗ Pulse width = 0.1ms, duty ratio 1%

Electrical and optical characteristics (Ta=25C)

Parameter Symbol Min. Typ. Max. Unit Conditions

Emitting strength IE 0.8 m W/sr IF=10m A

Emitting strength IE 0.48 1.3 1.94 m A IF=10m A∗

Forward voltage VF 1.3 1.6 IF=50m A

Reverse current IR μA VR=5V

Peak light emitting wavelength λP nm IF=10m A

Spectral line half width Δλ nm IF=20m A

Half-viewing angle θ1/2 ±30 deg IF=50m A

Response time tr tf 1.0 μs IF=50m A

Cut-off frequency fc 1.0 IF=50m AMHz

∗ According to our measurement procedures.

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1/2 2010.06 - Rev.B

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