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BPW34FAS

Name: BPW34FAS
Rating: 4.7 (12 reviews)

SENSOR PHOTODIODE 880NM 2SMD GW

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規格

Supplier	ams-OSRAM USA Inc.
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Obsolete
Wavelength	880nm
SpectralRange	730nm ~ 1100nm
DiodeType	PIN
ResponseTime	20ns
Voltage-DCReverse(Vr)(Max)	16 V
Current-Dark(Typ)	2nA
ActiveArea	7mm²
ViewingAngle	120°
OperatingTemperature	-40°C ~ 100°C
MountingType	Surface Mount

概述

Description

BPW34FAS is a silicon PIN photodiode in the BPW34 family. It converts incident light into a small photocurrent, making it suitable for fast optical sensing and communication applications.
Key points
- Type: PIN photodiode (silicon)
- Spectral range: roughly 400 nm to 1100 nm (visible to near‑IR); peak responsivity near 900–1000 nm is typical
- Speed: fast response, suitable for MHz bandwidth with proper biasing
- Operation: reverse bias (often 0–20 V) to improve speed; output current is converted to voltage with a transimpedance amplifier or load resistor
- Packaging: variants exist (check exact packaging and pinout in the datasheet; “FAS” denotes a specific version/packing from a supplier)
Applications
- Optical sensors, IR receivers, photometry, barcode scanners, photogates, ambient light sensing
Notes
- Verify exact specs and packaging in the supplier’s datasheet for BPW34FAS, as variants differ in packaging and electrical characteristics.

Features

- Type: Silicon PIN photodiode for fast light detection
- Spectral range: approx. 350–1100 nm (peak near 900 nm)
- Responsivity: ~0.6 A/W at 900 nm (visible to near-IR)
- Speed: fast response suitable for high-speed applications (ns-scale)
- Output: linear current vs. light input over a wide dynamic range
- Dark current: low, enabling high sensitivity
- Capacitance: low, aiding high-frequency performance
- Biasing: reverse-biasable for faster response and lower charge collection time
- Package: hermetically sealed glass/DO-35 style (axial lead) or equivalent
- Robust/olid design: suitable for demanding environments
- Compliance: RoHS/lead-free variants available
Note: Exact values (responsivity, capacitance, rise/fall times) vary by lot and specific variant.

Package

BPW34FAS uses an axial glass DO-35 package (two-lead photodiode).

Pinout

The BPW34FAS is a 2‑pin PIN photodiode. Pins: anode and cathode. Function: it converts incident light into a photocurrent (silicon photodiode) and is used for light detection/optical sensing. It is normally operated in reverse bias (photoconductive mode) for faster response; the photocurrent is proportional to illumination and is read across a load resistor.

Manufacturer

- Manufacturer: Vishay Intertechnology, Inc.
- What kind of company: A global electronics components company that designs and manufactures discrete semiconductors and passive components (diodes, photodiodes, resistors, capacitors, etc.).

Application

BPW34FAS is a silicon PIN photodiode used to convert light into current. Typical applications: ambient-light sensing for displays/backlights; lux meters and photometry; simple optical receivers/detectors (IR and visible); robotics sensors (line-followers, optical interrupters, proximity); laboratory instrumentation for light-level measurement; and any circuit using a transimpedance amplifier for light-to-voltage conversion.

Equivalent

BPW34FAS is a silicon PIN photodiode (≈940 nm). Equivalents (cross-references) include:
- Vishay: BPW34, BPW34S, BPW34F (same family)
- Osram: SFH 2700/2710/2711 series
- Hamamatsu: S5971/S5972 series
- Everlight: PD-series around 940 nm
Note: check datasheets for responsivity, active area, and packaging to ensure exact compatibility.