ROHM RPT-34PB3F Data Sheet
Summary
The RPT-34PB3F is a high-sensitivity silicon planar phototransistor designed for robust optical control applications, particularly when paired with ROHM SIR-34ST3F infrared emitters. This comprehensive datasheet provides essential technical specifications and detailed performance curves, including absolute maximum ratings, sensitivity vs. irradiance data, and temperature response curves. It is the ideal reference guide for electronic engineers designing reliable industrial or consumer equipment that utilizes light detection in its core functionality.
Page 1 Text Content
Phototransistor, top view type RPT-34PB3F The RPT-34PB3F is a silicon planar phototransistor. It is particularly suited for use with a ROHM SIR-34ST3F infrared light emitting diode.
Applications Dimensions (Units : mm) Optical control equipment
φ3.8±0.3 Notes : φ3.5 1. Unspecfied tolerance φ3.1±0.2 shall be ±0.2.
2. Dimension in parenthesis are show for reference.
Features High sensitivity.
Internal connection diagram
Emitter 2. 5± 1. Collector 1. 1.
.0 in 5. 2± 0.
Absolute maximum ratings (Ta = 25C)
Parameter Symbol Limits Unit
Collector-emitter voltage VCEO
Emitter-collector voltage VECO
Collector current IC m A
Collector power dissipation PC m W
Operating temperature Topr −25~+85 °C
Storage temperature Tstg −30~+85 °C
Electrical and optical characteristics (Ta = 25C)
Parameter Symbol Min. Typ. Max. Unit Conditions
Light current IC 2.0 m A VCE=5V, E=500LX
Dark current ICEO 0.5 μA VCE=10V(Black box)
Peak sensitivity wavelength λP nm
Collector-emitter saturation voltage VCE(sat) 0.4 IC=1m A, E=500LX
Half-angle θ1 / 2 ±36 deg
Response time tr·tf μs VCC=5V, IC=1m A, RL=100Ω
www.rohm.com
1/2 2010.06 - Rev.A
○c 2010 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM RPT-34PB3F Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 131.69 KB |
| Published | June 15, 2026 |
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