2 layers104.1 × 54.6 mm
2 layers103 × 54 mm
Voltage Sensor Card
odtu/Powerlab-Utility-Boards- Size
- 103 × 54 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 71
- Nets
- 32
- Pads
- 155
- Tracks, vias
- 130, 28
- Pours
- 18
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 18 Nov 2024
- Updated
- 23 Aug 2026
Overview
Voltage Sensor Card is an open-source printed circuit board by odtu, from the odtu/Powerlab-Utility-Boards repository on GitHub. It is a 2-layer board of 103 × 54 mm with 71 parts on 32 nets, routed with 130 tracks and 28 vias.
It is built around the MEJ1S1205SC, DS04-254-2-02BK-SMT and L78L05ABUTR. Its parts include 34 resistors, 20 capacitors, 3 ICs, 2 connectors and 2 inductors. It belongs with the sensors and measurement boards of this library.
Main components
3
MEJ1S1205SC
插件1 10.8V~13.2V 1W 200mA 5.2kV 5V 74.5% 插件 Isolated Power Modules ROHSMurataIsolated Power Modules
DS04-254-2-02BK-SMT
SMD,P=2.54mm-40℃~+85℃ 2 2,000 cycles 2.54mm 24V 25mA Gull Wing SPST Slide, Recessed SMD,P=2.54mm DIP Switches ROHSCUIDIP Switches
L78L05ABUTR
SOT-89-3-40℃~+125℃@(Tj) 1 1.7V@(40mA) 100mA 30V 40uV 49dB@(120Hz) 5V 6mA Fixed Over Temperature Protection、Short Circuit Protection Positive SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
Parts
71| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | 150k | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20 +4 |
| 8 | C | Capacitor_SMD:C_0603_1608Metric | C5, C6, C7, C10, C11, C18, C19, C20 |
| 4 | 10u | Capacitor_SMD:C_0805_2012Metric | C13, C14, C15, C16 |
| 4 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 3 | 300 | Resistor_SMD:R_0603_1608Metric | R24, R33, R34 |
| 3 | R | Resistor_SMD:R_0603_1608Metric | R30, R31, R32 |
| 2 | 1000p | Capacitor_SMD:C_1206_3216Metric | C1, C2 |
| 2 | 10k | Resistor_SMD:R_0603_1608Metric | R21, R22 |
| 2 | 330p | Capacitor_SMD:C_0603_1608Metric | C8, C9 |
| 2 | 33p | Capacitor_SMD:C_0603_1608Metric | C12, C17 |
| 2 | 4.7k | Resistor_SMD:R_0603_1608Metric | R28, R29 |
| 2 | 470n | Capacitor_SMD:C_0603_1608Metric | C3, C4 |
| 2 | 5.6k | Resistor_SMD:R_0603_1608Metric | R25, R26 |
| 2 | L | Inductor_SMD:L_0603_1608Metric | L1, L2 |
| 2 | TestPoint | TestPoint:TestPoint_Plated_Hole_D2.0mm | TP1, TP2 |
| 1 | 250 | Resistor_SMD:R_1206_3216Metric | R23 |
| 1 | 33k | Resistor_SMD:R_0603_1608Metric | R27 |
| 1 | 39290043 | connector_lib:CON_39290043 | J2 |
| 1 | ACPL-C79B | Package_SO:SSO-8_6.8x5.9mm_P1.27mm_Clearance8mm | U1 |
| 1 | Conn_01x04 | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J1 |
| 1 | DS04-254-2-02BK-SMT | ds04_lib:SW_DS04-254-2-02BK-SMT | S1 |
| 1 | D_Zener | Diode_SMD:D_SMB | D1 |
| 1 | L78L05ABUTR | footprints:SOT-89_STM | CR1 |
| 1 | MEJ1S1205SC | footprints:SIP4_MEJ1S_MUR | U2 |
| 1 | OPA2197xD | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
The 70 most common of 71 parts.
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Questions
How big is the Voltage Sensor Card PCB?
It measures 103 × 54 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Voltage Sensor Card use?
71 parts, built around the MEJ1S1205SC, DS04-254-2-02BK-SMT and L78L05ABUTR. 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 Voltage Sensor Card KiCad files?
From the odtu/Powerlab-Utility-Boards repository on GitHub, at the commit this page was made from: the board is Voltage Sensor Board - 2024/Voltage_Sensor_Card.kicad_pcb and its schematic Voltage Sensor Board - 2024/Voltage_Sensor_Card.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Voltage Sensor Card design in my own project?
Its repository states no licence, so its author keeps all rights: ask odtu before reusing the design.