Here are some part numbers for replacement front panel bulbs.
PDP-8/E, PDP-8/F, PDP-8/M
- 12-09219
- See PDP-8/L (bulb panels only).
PDP-8/L
- 12-09219
- See Chicago Miniature&qts CM2309.
- CM2309
- 10V, 40ma, .05mscp -- The real deal.
- Out of stock at Arrow Electronics and can be special ordered at www.bulbman.com.
- CM7371
- 12V, 40ma, .12mscp -- Overbright, but you'll be underpowering it.
- In stock everywhere. $13.92 qty 10 at www.newark.com.
PDP-8/i
- 12-09169
- See Oshino's OL-1.
- OL-1
- 15V, 40ma, .075mscp -- The real deal.
- In stock at www.donsbulbs.com.
- OL-6003
- 15V, 37ma, .075mscp -- A very close substitute.
- Mark G. Thomas found them at sunraylighting.com!
- CM7370
- 18V, 40ma, .15mscp -- Overbright, but you'll be underpowering it.
- $11.72 qty 10 at www.newark.com.
PDP-8/S
- 1762F/CM1762
- See Straight-8 below.
PDP-8 (Straight-8)
- 1762F/CM1762
- 28V, 40ma, .34mscp -- The real deal. Unlike the ones above, it doesn't have a base.
- The wires just stick out of the glass at the bottom. Some of these are available at www.donsbulbs.com.
- CM2187
- 28V, 40ma, .30mscp -- a close match for the original bulb.
- Available from www.newark.com for $7.55 per pack of 10.
- CM7387
- 28V, 40ma, .30mscp -- Like the CM2187, but with a bi-pin base.
- Available from www.newark.com for $0.33 each.
News Flash: I was able to order 10 each CM7370 and CM7371 for $25.64 at www.newark.com. In stock, 2 day delivery!