Maybe the smallest NIXIE PSU on ebay for 14 USD only

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Jun 29, 2014, 10:33:04 PM6/29/14

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NP-10 Tiny Nixie Power Supply for IN-18, IN-14 and other Tubes [12V~250V]

www.ebay.com/itm/221478177909

NP-10 Tiny Nixie Power Supply for IN-18, IN-14 and other Tubes [12V~250V]

Input: 3-28VDC
Output:12-250VDC (Adjust by single resister, default:180VDC)
Efficiency: 87% (180V@35mA, Vin=12V)
Power out: 15W (Max Vin=28V)
Output setting:Programmed with a single resistor to ground
Module size: 20mm*16mm*8.5mm

Table 1: Electrical Specifications

Specification

check via ebay

Notes:

1. Include input reverse polarity protection is provide.

2. Enable pin can floating the pin or connect to MCU. By using this pin for clock synchronization.

3. Output of module is short circuit protected via pulse-pulse current limiting.

100% test and assembly

Notes: shipping only one module(Fig4), not include tubes and other parts.