1mm InGaAs PIN Photodiode TO46

Box Optronics supplies the 1mm InGaAs PIN Photodiode TO46, engineered for high-sensitivity near-infrared detection across the 900nm to 1650nm wavelength band. Featuring high responsivity (typ. 0.95A/W at 1550nm), low dark current, and low capacitance. Housed in a compact, hermetically sealed TO46 metal can package with a flat window, the photodiode offers reliable long-term operation over an extended temperature range from -40°C to +85°C. Ideal for integration into optical power meters, test instruments, and fiber optic communication systems.

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Product Description

Product Overview-1mm InGaAs PIN Photodiode TO46

The 1mm InGaAs PIN Photodiode (Model BPD-1STO46B-FW) from Box Optronics is a high-performance InGaAs photodetector designed for near-infrared (NIR) detection applications. Featuring a PIN diode structure, it converts incident optical power in the 900–1650nm wavelength range into a proportional photocurrent with high linearity and sensitivity. Featuring a 1mm diameter active area. Packaged in a hermetic TO46 metal can with a flat optical window, the photodiode is mechanically robust, ensuring stable performance in demanding industrial and laboratory conditions. These attributes make it an excellent choice for optical power monitoring, fiber optic test measurement, laser detection, and NIR spectroscopy.

Key Features-1mm InGaAs PIN Photodiode TO46

• Active area diameter: 1mm for efficient light collection

• Wide spectral response range: 900nm to 1650nm

• High responsivity: 0.9A/W typical at 1310nm, 0.95A/W at 1550nm

• Ultra-low dark current, low junction capacitance

• High reliability and long-term stability

• Hermetic TO46 flat-window metal package

• Standard TO-CAN configuration for easy mounting

Typical Applications-1mm InGaAs PIN Photodiode TO46

• Optical power meters and optical power monitoring modules

• Fiber optic test and measurement equipment

• Optical signal detection and power monitoring in telecom systems

• Near-infrared (NIR) spectroscopy and analytical instruments

• Laser power monitoring and control systems

• Optical attenuator calibration and characterization

• Research and development in photonics laboratories

• Optical module integration and photonic subsystem development

Technical Specifications-1mm InGaAs PIN Photodiode TO46

Absolute Maximum Ratings (TC = 25°C)

Parameter	Symbol	Rating	Unit
Reverse Voltage	VRmax	20	V
Operating Case Temperature	TOP	-40 ~ +85	°C
Storage Temperature	TST	-55 ~ +120	°C

Electro-Optical Characteristics (TC = 25°C)

Parameter	Symbol	Test Condition	Min.	Typ.	Max.	Unit
Active Area Diameter	φ	-	-	1	-	mm
Spectral Range	λ	-	900	-	1650	nm
Responsivity @ 1310nm	R	VR = -5V	0.85	0.9	-	A/W
Responsivity @ 1550nm	R	VR = -5V	-	0.95	-	A/W
Operating Reverse Voltage	VR	-	-	-5	-	V
Dark Current	Id	VR = -5V	-	1.5	5.0	nA
Junction Capacitance	C	VR = -5V, f = 1MHz	-	50	80	pF
3dB Bandwidth	BW	VR = 0V, RL = 50Ω	-	40	-	MHz

Product Details-1mm InGaAs PIN Photodiode TO46

What is an InGaAs PIN Photodiode?

An InGaAs PIN photodiode is a high-sensitivity semiconductor detector designed for near-infrared (NIR) optical detection. Based on a P-I-N semiconductor structure, it converts incident photons into photocurrent with excellent linearity and stability.

Operating from 900nm to 1700nm, InGaAs photodiodes provide high responsivity across the optical communication bands and SWIR region, making them suitable for fiber optic testing, optical power monitoring, spectroscopy, and sensing applications.

The 1mm active area offers enhanced light collection capability and improved coupling tolerance, providing an excellent balance between sensitivity, alignment flexibility, and detection speed.

Performance Highlights-1mm InGaAs PIN Photodiode TO46

• High Responsivity & Quantum Efficiency

• Ultra-Low Dark Current

• Low Capacitance & Fast Response

• Wide Spectral Coverage

• Hermetic TO46 Package

Package Dimensions and Pin Definition-1mm InGaAs PIN Photodiode TO46

Package Type:TO46 Hermetic Metal Can, Flat Window (TO-CAN 3-pin)

Can Diameter:φ5.4 ± 0.2mm (outer), φ4.7 ± 0.1mm (inner)

Window Diameter:φ3.9 ± 0.1mm

Pin Configuration (bottom view):Pin 1 = Anode (P-side), Pin 2 = Case (GND), Pin 3 = Cathode (N-side)

Ordering Information

Model Nomenclature

BPD - X X TO XX - X - X

Example: BPD-1STO46B-FW

Field	Code	Description
Product Series	BPD	Box Photodiode Series
Active Area Size	1S	1S = 1mm diameter (2S=2mm, 3S=3mm, 5S=5mm)
Package Type	TO46	TO46 = TO46 package (TO5=TO5)
Pin Type	B	B =B type pin-out
Window Type	FW	FW = Flat Window

Datasheet-1mm InGaAs PIN Photodiode TO46

Datasheet

Lead Time

• Standard units (in-stock models): 3~5 working days

• Standard production: 10~15 working days

• Volume orders: Please contact for production schedule

• International shipping: ~5 working days (DHL/UPS/FedEx express)

• Expedited service: Available upon request

Operation Notes and Handling-1mm InGaAs PIN Photodiode TO46

• Photodiodes are electrostatic discharge (ESD) sensitive devices — always use proper ESD protection

• Avoid touching the leads directly with bare fingers to prevent contamination and ESD damage

• Store unused devices in ESD-safe packaging or conductive trays to prevent electrostatic discharge damage

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Contact Info

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Address

Room 901, Building A, Rongchao New Era Plaza, No. 3 Lanqing 1st Road, Luhu Community, Guanhu Subdistrict, Longhua District, Shenzhen, 518110, China
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Tel

+86-13322933691
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Email

sales06@boxoptronics.com

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