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See the details of design and assembling in my Blog, with many pictures:http://www.nixieclock.org/?p=493
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This item is located in U.S.A.
Fast shipping within 24Hours (Monday to Saturday) from Berkeley CA.

NCH6100HV high voltage power supply module is miniature step-up DC-DC converter with high efficiency and low heat operating from 12 to 24VDC input, with an output of 85 to 235VDC set by a precise potentiometer. Designed for Nixie tube, VFD tube, Magic eye etc. Shutdown mode are controlled via SHDN logic input. PCB terminals and pin headers are optional.

Gold Plating PCB
Fully assembled
(All SMD parts soldered by SMT robot except PCB terminals and pin headers, which only takes a minute for you select to use and solder by hand).

NCH6100HV Datasheet in English:

http://pan.baidu.com/share/link?shareid=942813807&uk=1057088184

The power supply listing includes:
1. 1pcs NCH6100HV power supply.
2. 1pcs 2-pin and 1pcs 3-pin PCB mounting pin.
3. 1pcs 2-pin and 1pcs 3-pin wire terminal.
(You may solder the PCB mounting pins or wire terminals based on your needs.)

What you will receive is shown below:

With PCB terminal soldered:

With wire terminals soldered:

Output Voltage can be adjusted by turning a precise potentiometer on board (shown below) using a small screw driver.
Rotate the potentiometer clockwise to increase the output voltage.
See the pictures below:

Making wire connections:
Wires can be easily connected to the board via PCB wire terminals.
Press the PCB terminals with a screwdriver, insert the wire, then remove the screwdriver to fasten it.
AWG 22-16 cable is recommended.
See the pictures below:

We use high-quality electronic components:
TDK SLF12xxx series power inductors.
SAMSUNG resistors and ceramic capacitors.
SUMIDA ceramic capacitors.
VISHAY power mosfet.
On Semiconductor DC-DC controller.
BOURNS potentiometer.
Nichicon high voltage electrolytic capacitor.

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Note About Delivery Time:
The item will be shipped out within 24 hours (Mon to Sat) via USPS Priority Mail after clear payment.
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The hardware is designed by me.
Fell free to ask if you have any questions.
My E-mail yanzeyuan@163.com
More pictures in my Blog: http://www.nixieclock.org

Fantastic Pictures:

You can find many types of clock in seller's Blog:
http://www.nixieclock.org