---
type: product
schema_version: 1
stock_number: "71762-5"
canonical_url: "https://www.artisantg.com/71762-5/Newport-1431-50"
json_url: "https://www.artisantg.com/71762-5/Newport-1431-50.json"
generated_at: "2026-11-07T05:53:23.275Z"
last_updated: "2026-04-06T13:32:15.610-05:00"
---

# Newport / New Focus 1431-50 Multi-Mode Photodetector Module

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Newport
- Model: 1431-50
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb
- Shipping dimensions: 14X10X10 in

## Categories

- Test Equipment > Optical Test > Detectors (primary)

## Details

This New Focus 1431-50 Multi-Mode Photodetector Module is used and in excellent condition. This unit comes with a wooden storage box. This module uses an internal 9-V battery; the battery is used.

Configuration
- Wavelength Range: 550-1330 nm
- 3-dB Bandwidth: 25 GHz
- Rise Time: 17 ps
- Maximum Conversion Gain: 5 V/W
- Typical Maximum Responsivity: 0.2 A/W
- Output Impedance: 50 ohms
- cw Saturation Power: 10 mW
- Maximum Pulse Power: 200 mW
- Detector Material/Type: InGaAs/Schottky
- ST/PC Optical Interface
- Electrical Interface: Wiltron K (2.92mm)

## Images

- <https://www.artisantg.com/itemimages/new_focus_1431-50_box_view1.jpg>