CCFL inverter schema
Project data
Authors Stef Breukel
Location The following coordinate was not recognized: Geocoding failed.Amsterdam
Status Designed
OKH Manifest Download
Device data
Hardware license CERN-OHL-S
Certifications Start OSHWA certification

The CCFL (Cold Cathode Fluorescent Lamp) inverter works in general the same as other converter systems in a much smaler scale.

to 220

schema components:

Q1, Q2 = NPN TIP31, to-220

R1, R2 = 8.2 KOhms

D1, D2 = 1N4001 / 4148

C1 = 10uF, 25V,

C2 = 22 pF, 2KV

L1 = 80uH

T1 = FE16C or equivalent transformer

CCFL inverter transistors equivalent

D1616 ╦ 2SD592A ╦ KT3117A
║ ╠ BC337
║ ╠ 2SD1616 ╦ BC637
║ ║ ╠ BC639
║ ║ ╚ 2SD667
║ ╚ 2SD592ANC ╦ 2N3859A
║ ╠ BC637
║ ╠ KT3117A
║ ╠ 2SD667
║ ╚ BC639
╚ 2SC3328 ╦ 2N6516
╠ MPS651
╠ KT504A ╦ D1490
║ ╠ 2SD1490
║ ╠ 2SD1616
║ ╠ 2SC4489
║ ╠ 2SD2182
║ ╚ 2SD218
║
╚ 2SC3328-O ╦ 2N6516
╠ KT504A
╚ MPS651

Inverter Transformer

T1 ccfl inverter transformer

T1 = FE16C or equivalent transformer

TURN RATIO: input = 1.8 output = 8 . .
PRIMARY INDUCTANCE: P1= 33.5 P2= 44.5 P3= 3.7uH
PRIMARY DIAMETER: P1= mm P2= mm P3= mm
SECONDARY INDUCTANCE: S1= 150mH . . . .
SECONDARY DIAMETER: S1= mm . . . .
PRIMARY DCR: P1= 0.3Ohm P2= 0.3Ohm P3= 0.1 Ohm
SECONDARY DCR: S1= 120 Ohm . . . .
CURRENT RATING: Primary 230mA Secondary 30mA . .

P3=Winding for optional feedback control

Measure wire thickness

How to measure thin isolated copper wire thickness for a self made transformer coil component

Wire diameter: 0.05 ~ 0.20mm

DIAMETER WIRE COLOUR
0.01 .
0.02 .
0.03 .
0.04 .
0.05 .
0.06 .
0.07 .
0.08 .
0.1 .

3rd world CCFL lamp (2007 model)

Page data
Keywords ccfl, cold cathode fluorescent lamps, lamps, electronics, 3rd world arm lamp, Electric lighting, inverter
Authors Stef Breukel
License CC-BY-SA-3.0
Organizations Demotech
Language English ()
Related 0 subpages, 0 pages link here
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Created March 23, 2007 by stef breukel
Last edit November 27, 2025 by Maintenance script
Cite as Stef Breukel (2007–2025). "Inverter for fluorescent lamp". Appropedia. Retrieved October 3, 2026.
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