2 layers130 × 53 mm
TougherPowerMeter FeatherWing
ahillbom/TougherPowerMonitor-HW
Triple-channel power monitor based on INA3221 and TPS1HB08A with some filtering for tougher conditions. Compatible with Arduino Nano and Feathers.
85 parts19MIT
2 layers105.7 × 56 mm
X399 REF
victorman222/LM3992LM399/ADR1399 reference
- Size
- 105.7 × 56 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 88
- Nets
- 41
- Pads
- 226
- Tracks, vias
- 640, 310
- Pours
- 289
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 10 Jul 2025
- Updated
- 9 Oct 2026
Overview
X399 REF is an open-source printed circuit board by victorman222, from the victorman222/LM399 repository on GitHub. It is a 2-layer board of 105.7 × 56 mm with 88 parts on 41 nets, routed with 640 tracks and 310 vias.
It is built around the OP07, SS34A and 0ZCG0075BF2B, with the 0ZCM0010FF2G, 2SD882 and AON7410 among its other parts. Its parts include 28 resistors, 23 capacitors, 5 diodes, 3 transistors and 3 connectors.
Main components
12
OP07
SOP-8-20℃~+85℃ -22V~-3V、3V~22V 1 1.8nA 1.8uV/℃ 10nV/√Hz@1kHz 120dB 15pA/℃ 170V/ms 2.7mA 22V 500kHz 60uV 800pA SOP-8 Operational Amplifier ROHSSlkorOperational Amplifier
SS34A
SMA(DO-214AC)3A 40V 500mV@3A 500uA@40V 80A Standalone SMA(DO-214AC) Schottky Diodes ROHSGuangdong HottechSchottky Diodes
0ZCG0075BF2B
1812-40℃~+85℃ 1.5A 110mΩ 1W 200ms 33V 400mΩ 40A 750mA 1812 Resettable Fuses ROHSBel FuseResettable Fuses
0ZCM0010FF2G
0603-40℃~+85℃ 100mA 100ms 15V 250mA 40A 500mW 8Ω 900mΩ 0603 Resettable Fuses ROHSBel FuseResettable Fuses
2SD882
SOT-89-55℃~+150℃ 1 NPN 1uA 30V 3A 400 500mV 500mW 50MHz 6V NPN SOT-89 Bipolar (BJT) ROHSFUXINSEMIBipolar (BJT)
AON7410
DFN-8(3x3)-55℃~+150℃ 1 N-channel 12nC@10V 143pF 2.5V 20W 20mΩ@10V 30V 50A 660pF 77pF N-Channel DFN-8(3x3) MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
BZX384-B12-QX
SOD-323-65℃~+150℃ 1 Independent 100nA 11.8V~12.2V 300mW ±2% SOD-323 Zener Diodes ROHSNexperiaZener DiodesBZX384B5V6
SOD-323SOD-323 Zener Diodes ROHSFUXINSEMIZener Diodes
DR331-474BE
SMD-40℃~+135℃ 2 250V 280mΩ 42V 470uH@100kHz 500mA 80V SMD Common Mode Filters ROHSBournsCommon Mode Filters
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
RXEF010
插件,P=5.08mm100mA 100mA 2.5s 2.5Ω 40A 530mW 60V 7.5Ω Plugin,P=5.08mm Resettable Fuses ROHSLittelfuseResettable Fuses
SMCJ18A
SMC(DO-214AB)-55℃~+150℃ 1.5kW@10/1000us 18V 1uA 22.1V 29.2V 51.4A@10/1000us TVS Unidirectional SMC(DO-214AB) ESD and Surge Protection (TVS/ESD) ROHSBORNESD And Surge Protection (TVS/ESD)
README
README.mdLM399/ADR1399 reference
Parts
88| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5, C6, C7, C8, C11, C14 |
| 4 | 100n | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C18, C19, C20, C21 |
| 4 | 1u 16V | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_HandSolder | C3, C9, C12, C17 |
| 4 | 470R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4 |
| 3 | ~ | TestPoint:TestPoint_2Pads_Pitch2.54mm_Drill0.8mm | JP3, JP4, JP5 |
| 2 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
| 2 | 100p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10, C16 |
| 2 | 10k PTF | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R21, R22 |
| 2 | 1u | OwnStuff:C_Rect_L7.2mm_W5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C22, C23 |
| 2 | 47R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R23, R24 |
| 2 | 6R8 | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R8, R17 |
| 2 | 9k09 | OwnStuff:S5-61+vishay(150mil)+smd1206 | R10, R11 |
| 2 | Hole for reference cap | MountingHole:MountingHole_3.2mm_M3 | H2, H3 |
| 2 | Inv | OwnStuff:TestPoint_THTPad_D1.8mm_Drill0.9mm | TP2, TP3 |
| 2 | SS34A | Diode_SMD:D_SMA_Handsoldering | D3, D5 |
| 2 | d=3.7 | OwnStuff:MountingHole_3.7mm_Pad_Via_6.7mm diameter | H1, H4 |
| 2 | ~ | OwnStuff:Joined holes D=1.8 Dh=0.9 P=3mm | JP1, JP2 |
| 1 | +15 V | TestPoint:TestPoint_Loop_D2.50mm_Drill1.0mm | TP4 |
| 1 | +15V | Connector_Wire:SolderWire-0.1sqmm_1x02_P3.6mm_D0.4mm_OD1mm_Relief | J1 |
| 1 | 0.6W tht | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R13alt1 |
| 1 | 0R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R25 |
| 1 | 0ZCG0075BF2B | Resistor_SMD:R_1812_4532Metric_Pad1.30x3.40mm_HandSolder | F2 |
| 1 | 0ZCM0010FF2G | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | F1 |
| 1 | 1000u | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C13 |
| 1 | 100u 16V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C15 |
| 1 | 10Vref | TestPoint:TestPoint_Loop_D2.50mm_Drill1.0mm | TP5 |
| 1 | 10Vref | Connector_Wire:SolderWire-0.127sqmm_1x02_P3.7mm_D0.48mm_OD1mm_Relief | J3 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14 |
| 1 | 10k | OwnStuff:Potentiometer_Soviet_SP5-2VB | RV1 |
| 1 | 10k4 | OwnStuff:S5-61+vishay(150mil)+smd1206 | R7 |
| 1 | 1206 smd | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R13alt2 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R19 |
| 1 | 1k | OwnStuff:Potentiometer_Soviet_SP5-2VB | RV2 |
| 1 | 1mH | OwnStuff:L_7.3x7.3_H4.5_Handsoldering | L1 |
| 1 | 220R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12 |
| 1 | 28mH | OwnStuff:Universal line filter | FL1 |
| 1 | 2R2 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R20 |
| 1 | 2SD882 | Package_TO_SOT_THT:TO-126-3_Vertical | Q2 |
| 1 | 300R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R16 |
| 1 | 3k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15 |
| 1 | 3k | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R5 |
| 1 | 47k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
| 1 | 5R1 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
| 1 | 680R 3W | Resistor_THT:R_Axial_DIN0617_L17.0mm_D6.0mm_P5.08mm_Vertical | R18 |
| 1 | AON7410 | OwnStuff:AO DFN3x3 EP GDS Handsoldering | Q3 |
| 1 | BZX384B12 | Diode_SMD:D_SOD-323_HandSoldering | D4 |
| 1 | BZX384B5V6 | Diode_SMD:D_SOD-323_HandSoldering | D2 |
| 1 | Calc | Resistor_THT:R_Axial_DIN0918_L18.0mm_D9.0mm_P22.86mm_Horizontal | R13 |
| 1 | DR331-474BE | OwnStuff:L_CommonMode_Bourns_DR331_Handsolder | FL2 |
| 1 | Guard | Connector_Wire:SolderWire-0.127sqmm_1x01_D0.48mm_OD1mm_Relief | J2 |
| 1 | LM399 | OwnStuff:Analog_TO-46-4_ThermalShield_balanced pins | U1 |
| 1 | MGND | TestPoint:TestPoint_Loop_D2.50mm_Drill1.0mm | TP6 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q1 |
| 1 | OP07 | OwnStuff:DIP-8_W7.62mm_W_soic_under | U2 |
| 1 | RXEF010 | OwnStuff:RXEF010 | F1alt1 |
| 1 | SMCJ18A | Diode_SMD:D_SMB-SMC_Universal_Handsoldering | D1 |
| 1 | Vz | TestPoint:TestPoint_Loop_D2.50mm_Drill1.0mm | TP1 |
| 1 | smd | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R5alt1 |
| 1 | ~ | NetTie:NetTie-2_SMD_Pad2.0mm | NT1 |
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Questions
How big is the X399 REF PCB?
It measures 105.7 × 56 mm and has 2 copper layers, 1.6 mm thick.
What parts does the X399 REF use?
88 parts, built around the OP07, SS34A, 0ZCG0075BF2B and 0ZCM0010FF2G. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the X399 REF KiCad files?
From the victorman222/LM399 repository on GitHub, at the commit this page was made from: the board is Kicad/x399 REF.kicad_pcb and its schematic Kicad/x399 REF.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the X399 REF design in my own project?
Its repository states no licence, so its author keeps all rights: ask victorman222 before reusing the design.