Product Overview
Amperex XP-2202B Large-Area Photomultiplier Tube
Product Condition
Unused, New Old Stock; factory-sealed packaging from the mid-1980s. Includes original test sheets when available.
Product Overview
The Amperex XP-2202B is a large-area photomultiplier tube (PMT) with a bialkali photocathode optimized for visible light. It features a 10-stage dynode chain and is capable of gains around 1 million times. Designed for sensitive light detection in scientific and laboratory settings.
Key Features
- Photocathode: Bialkali material for visible spectrum
- Active Window: 51–52 mm diameter (2 inches)
- Dynode Chain: 10 focused dynodes
- Typical Gain: ~10⁶ (1 million times)
- Operating Voltage: 1,100–1,500 volts
- Dark Current: ~3 nanoamps typical, 50 nA max
- Dark Counts: ~300 counts per second typical, max 1,000 cps
- Connections: Standard 14-pin base
- Build: Rugged glass and metal construction
- Made in France
Applications
- Photon counting and low-light detection
- Cherenkov detectors and radiation experiments
- Fluorescence measurements
- University labs and spectroscopy setups
Frequently Asked Questions
What is PartsMine.com?
We’re a small team in Idaho with a big love for useful parts. Since 2018, we’ve been helping businesses, inventors, fixers, and tinkerers find the stuff they need. We source good parts from real places - labs, factories, and tech closets around the U.S., give them a once-over, and ship ’em out fast from Idaho. Everything we sell is backed by us - because you're the reason we're here.
How fast is shipping?
Pretty fast. Most orders ship within one business day from Idaho—often same-day if you catch us early. We don’t mess around when it comes to getting parts out the door.
What’s included?
You’ll get exactly what’s shown in the photos: Amperex XP-2202B photomultiplier tube, new old stock, typically shipped in a factory-sealed tube with test data when available.
Can I get more info before buying?
Absolutely. Ask away! We’re generalists, and as you can see—we’ve got a lot of stuff. But we’ll give it our best shot and get back to you with a straight answer. No runaround.
What does "Unused, New Old Stock; factory-sealed packaging from the mid-1980s" mean?
It means this tube has never been used or installed. It’s been stored in its original factory packaging, often including factory test sheets, since the 1980s.
