EPROM

Xenon erasure

These emit very high peak intensity and seem to erase EPROMs faster

https://www.youtube.com/watch?v=_sSuzDg4ntA

"It seems (because I got it by net auction and don't know exact company of this product), Xenon flasher for UV-rom erasing..."

"5 seconds possible"

http://www.grifo.it/PROG/uk_Eraser.htm

Dataman Strobe Erase

10-30 seconds typical

McMaster 2021-02-23

• Tried super high power strobe light
• Tried party light
• Neither erased EPROM

McMaster working EPROM strobe

• https://www.youtube.com/shorts/GX4KcLDCiII
• RC 250B Xenon strobe
• Erase EPROM mostly ~10 seconds

https://cdn1.goughlui.com/wp-content/uploads/2016/04/eprom-erase-speed.gif

Spectroline PE-140T

McMaster "gold standard" EPROM eraser. This was pretty common at one time. There are a lot on eBay but unfortunately most are missing the tray Datasheet

Model	Automatic Timer Shut-Off	Chip Erasing Capacity*	Typical intensity (uW/cm2)
PE-140	No	9	8,000
PE-140T	Yes	9	8,000
PE-240T	Yes	12	9,600
PL-265T	Yes	30	9,600
PR-125T	Yes	25	17,000
PR-320T	Yes	42	17,000
PC-1100A	Yes	84	18,500
PC-2200A	Yes	168	18,500
PC-3300A	Yes	252	18,500
PC-4400A	Yes	336	18,500
PC-4420A	Yes	336	50,000**
PC-8820A	Yes	840	70,000**
PC-9920A	Yes	940	70,000**

TL866 adapter: https://twitter.com/johndmcmaster/status/1505276794156376066

• There is also a larger version now that covers the entire eraser

Bulb

Official bulb: Spectronics BLE-2537S

Walmart page claims OEM is USHIO G4T5

Generic name appears to be F4T5/GL

Spec sheet for similar bulb:

• Wattage: 4W
• SuperLife: 10,000hrs
• Base: Mini Bi-Pin
• Lamp Shape: T5
• Glass: Clear Quartz Glass
• UV Emission: 254nm
• Maximum Overall Length: 6"

McMaster bulbs 2022-03-21:

• Bulb 1
  • hard to read
  • KINGRATE
  • UVC 64TS
• Bulb 2
  • BLE-2537S
  • SPECTRONICS CORP