ROHM RPT-38PB3F Phototransistor Data Sheet

The RPT-38PB3F is a silicon planar phototransistor with high sensitivity and almost no effect from stray light. It is particularly suited for use with a ROHM SIR-34ST3F infrared light emitting diode in optical control equipment and receiver for sensors.


ROHM RPT-38PB3F Phototransistor Data Sheet - cover page
Brand
ROHM
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
3
File format
PDF
File size
136 KB
Published
01 June, 2012
Updated
28 September, 2023
MD5 checksum
0A9AF10282D714DD4B1F84BED42419B1

About this manual

The RPT-38PB3F is a silicon planar phototransistor molded in plastic with a visible‑light filter, giving it high sensitivity and minimal stray‑light effect. It is intended for optical control equipment and sensor receivers, and is especially suited for use with the ROHM SIR-34ST3F infrared LED.

Key specifications include a collector‑emitter voltage rating of 32 V, collector current up to 30 mA, power dissipation of 150 mW, and an operating temperature range from –25 °C to 485 °C. Electrical and optical characteristics such as light current, dark current, peak sensitivity wavelength (800 nm), and response time are also detailed.

What's inside

  • Application
  • Features
  • Dimensions
  • Absolute maximum ratings
  • Electrical and optical characteristics
  • Characteristic curves
  • Notice

Specifications

Collector‑emitter voltage (Vceo)32 V
Collector current (Ic)30 mA
Power dissipation (Po)150 mW
Operating temperature (Topr)-25 °C to 485 °C
Storage temperature (Tsig)-30 °C to +85 °C
Light current (typical)2.0 mA (Voe=5 V, E=500 lx)
Dark current (typical)0.5 pA (Vce=10 V)
Peak sensitivity wavelength800 nm

Frequently asked questions

What is the maximum collector‑emitter voltage of the RPT-38PB3F?

The device is rated for a collector‑emitter voltage of 32 V.

What is the typical light current at 5 V and 500 lx illumination?

The typical light current is 2.0 mA under those conditions.

What is the operating temperature range for the phototransistor?

It can operate from –25 °C up to 485 °C.

Which infrared LED is recommended for use with the RPT-38PB3F?

It is particularly suited for use with the ROHM SIR-34ST3F infrared LED.

Download PDF (136 KB)

More ROHM Manuals


View all ROHM manuals →