12V 6V3 Delay
About the 12V 6V3 Delay PCB
12V 6V3 Delay is an open source PCB design by FordPrfkt, published on GitHub. It is a 2-layer board measuring 160 × 100 mm, with 111 components from 57 distinct parts.
Other key parts include the LM7812CT, LMC6482 and LM393. By type, the board carries 33 resistors, 29 capacitors, 22 diodes, 15 connectors, 6 transistors and 4 ICs.
It belongs with the audio designs in this gallery.
From the project
Tube Amplifier using KT88 Tubes based on BlackCat
Main components on the 12V 6V3 Delay
12V 6V3 Delay bill of materials (BOM)
111 components, 57 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM7812CT | TO-220-3_Vertical | U1 |
| 1 | LMC6482 | DIP-8_W7.62mm | U2 |
| 2 | LM393 | DIP-8_W7.62mm | U3, U4 |
| 2 | IRF530 | TO-220-3_Vertical | Q1, Q2 |
| 2 | BS170 | TO-92_Inline | Q3, Q4 |
| 1 | BC337 | TO-92_Inline | Q5 |
| 1 | BC557 | TO-92_Inline | Q6 |
| 3 | Standby | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2, J3, J5 |
| 1 | Conn_01x03 | Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J4 |
| 1 | 12V5_AC | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | P1 |
| 1 | 12V_DC_1 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | P2 |
| 1 | 12V_DC_2 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | P3 |
| 1 | 12V_DC_3 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | P4 |
| 1 | 12V_DC_4 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | P5 |
| 1 | 7V5_AC | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | P6 |
| 1 | 6V3_DC_2 | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | P7 |
| 1 | 6V3_DC_1 | Molex_Mini-Fit_Jr_5566-02A_2x01_P4.20mm_Vertical | P8 |
| 3 | Relais | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | P9, P10, P11 |
| 2 | Fuse | Fuse_Holder_Eska_509200 | F1, F2 |
| 4 | SB350 | D_DO-201AD_P15.24mm_Horizontal | D1, D2, D3, D4 |
Show 37 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SB190 | D_DO-41_SOD81_P10.16mm_Horizontal | D5 |
| 1 | SB350 | D_DO-41_SOD81_P10.16mm_Horizontal | D6 |
| 1 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D7 |
| 5 | LED | LED_D3.0mm | D8, D14, D20, D21, D22 |
| 4 | MBR1645 | TO-220-2_Vertical | D9, D10, D11, D12 |
| 1 | LM385Z-1.2 | TO-92-2 | D13 |
| 1 | ZD3V9 | D_DO-35_SOD27_P10.16mm_Horizontal | D15 |
| 2 | 1N4148 | D_DO-35_SOD27_P10.16mm_Horizontal | D16, D17 |
| 2 | ZD5V6 | D_DO-35_SOD27_P10.16mm_Horizontal | D18, D19 |
| 8 | 22nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C1, C2, C3, C4, C10, C11, C12, C13 |
| 1 | 4700µF / 63V | CP_Radial_D18.0mm_P7.50mm | C5 |
| 4 | 100nF / 63V | C_Disc_D4.3mm_W1.9mm_P5.00mm | C6, C24, C25, C26 |
| 1 | Fuse | C_Disc_D4.3mm_W1.9mm_P5.00mm | C7 |
| 1 | 47µF / 16V | CP_Radial_D5.0mm_P2.00mm | C8 |
| 3 | 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C9, C22, C23 |
| 1 | 680µF/16V | CP_Radial_D8.0mm_P3.50mm | C14 |
| 1 | 33000µF/16V | CP_Radial_D30.0mm_P10.00mm_SnapIn | C15 |
| 4 | 1nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C16, C17, C20, C21 |
| 2 | 680µF | CP_Radial_D8.0mm_P3.50mm | C18, C19 |
| 1 | 1µF / 16V | CP_Radial_D4.0mm_P1.50mm | C27 |
| 1 | 10µF / 16V | CP_Radial_D5.0mm_P2.00mm | C28 |
| 1 | 330µF / 16V | CP_Radial_D8.0mm_P5.00mm | C29 |
| 2 | 560R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R31 |
| 1 | 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 2 | 100R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4 |
| 4 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R6, R8, R10 |
| 2 | 4k12 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7, R9 |
| 2 | 270R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11, R26 |
| 3 | 4K7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12, R33, R34 |
| 1 | 82K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13 |
| 3 | 100K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R14, R29, R30 |
| 7 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R15, R17, R18, R21, R22, R25, R27 |
| 1 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16 |
| 1 | 330K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R19 |
| 1 | 220K | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R20 |
| 2 | 5M1 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R23, R24 |
| 1 | 560 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R32 |
12V 6V3 Delay design files
The KiCad project lives in the FordPrfkt/KT88-Amp repository on GitHub; these links point at the commit this page was built from.
12V 6V3 Delay: common questions
How big is the 12V 6V3 Delay PCB?
The 12V 6V3 Delay measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 12V 6V3 Delay?
111 components, from 57 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the 12V 6V3 Delay design files?
From the FordPrfkt/KT88-Amp repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the 12V 6V3 Delay design in my own project?
The repository has no license, so all rights stay with FordPrfkt. Use it as a reference, and ask the author before reusing the design.
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