The Bosch 0261230302 is a combined pressure and temperature sensor in the 0261230xxx series, covering 0.2–2.5 bar absolute pressure alongside a simultaneous NTC temperature output. Both channels are ratiometric 5 V analog, making it a direct fit to any two-channel ECU sensor input.
The pressure range of 0.2–2.5 bar positions this sensor for turbocharged engine MAP measurement up to approximately 1.5 bar boost gauge. For higher boost applications (above 1.5 bar gauge), use the PST-4 (0.4–4 bar, SKU 0261230423). For naturally aspirated applications, use the PST-1 (0.1–1.15 bar, SKU 0261230333).
Technical Specifications
| Property | Value |
|---|---|
| SKU / Part number | 0261230302 |
| Measurement | Absolute pressure + temperature |
| Pressure range | 0.2–2.5 bar (20–250 kPa) |
| Pressure output | Ratiometric 5 V analog |
| Supply voltage | 5 V |
| Operating temperature | −40 to +130°C |
Pressure Output Calibration
| Pressure | Output voltage |
|---|---|
| 0.2 bar (20 kPa) | 0.4 V |
| 2.5 bar (250 kPa) | 4.65 V |
Sensitivity: approximately 18.5 mV/kPa (1,850 mV/bar).
Related Products
- Bosch Motorsport PST-3 Combined Pressure Sensor (0.2–3 bar) — wider pressure range variant
- Bosch Motorsport PST-4 Combined Pressure Sensor (0.4–4 bar) — high-boost range
- Bosch Motorsport PST-1 Combined Pressure Sensor (0.1–1.15 bar) — NA engine range
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