The Tektronix TCP312 is a high-performance AC/DC current probe designed for use with the TCPA300 amplifier. Offering a wide bandwidth from DC to 100 MHz and a maximum continuous current measurement capability of 30 A, it is well-suited for high-frequency measurements in power electronics, automotive systems, and semiconductor development.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Proprietary probe interface (connects to TCPA300) |
| Probe Type | AC/DC Current Probe |
| Sensor Type | Split-core Hall-effect and Transformer |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Powered via the TCPA300 amplifier |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 16 mm × 32 mm × 200 mm (Probe Head) |
Electrical & Performance
| Parameter | Value |
|---|---|
| Bandwidth | DC to 100 MHz |
| Rise Time | ≤ 3.5 ns |
| Maximum Continuous DC Current | 30 A |
| Maximum RMS Current | 30 A |
| Maximum Peak Pulse Current | 50 A |
| Minimum Sensitivity | 1 mA (on oscilloscope with TCPA300) |
| DC Accuracy | ±3% of reading (with TCPA300) |
| Maximum Amp-Second Product | 11.2 A*µs |
| Insertion Impedance at 1 MHz | 0.08 Ω |
| Insertion Impedance at 10 MHz | 0.15 Ω |
| Insertion Impedance at 50 MHz | 0.27 Ω |
| Insertion Impedance at 100 MHz | 0.7 Ω |
| RMS Noise | ≤ 250 µA |
| Propagation Delay | 17 ns |
Voltage & Safety Ratings
| Parameter | Value |
|---|---|
| Maximum Bare Wire Voltage | 150 V CAT II |
| Maximum Insulated Wire Voltage | 300 V CAT II |
| Pollution Degree | 2 |
System Compatibility & Interface
| Parameter | Value |
|---|---|
| Compatible Amplifier | TCPA300 |
Physical & Mechanical
| Parameter | Value |
|---|---|
| Maximum Conductor Diameter | 5.0 mm (0.2 inches) |
| Cable Length | 1.5 m (5 feet) |
| Probe Head Width | 1.6 cm (0.6 inches) |
| Probe Head Height | 3.2 cm (1.3 inches) |
| Probe Head Length | 20.0 cm (7.9 inches) |
Environmental
| Parameter | Value |
|---|---|
| Non-Operating Temperature Range | -40 °C to +75 °C |
| Operating Humidity | 5% to 95% RH (up to +30 °C), 5% to 85% RH (+30 °C to +50 °C) |
| Operating Vibration | 0.31 g RMS (5 Hz to 500 Hz) |
| Non-Operating Vibration | 2.46 g RMS (5 Hz to 500 Hz) |
Electrical Characteristics
| Parameter | Value |
|---|---|
| Input Coupling | AC, DC |
Connectivity
| Parameter | Value |
|---|---|
| Interface Connector | Proprietary 12-pin (mates directly with TCPA300) |
Compliance
| Parameter | Value |
|---|---|
| Safety Standards | UL61010-1, UL61010-2-032, CAN/CSA-C22.2 No. 61010-1, CAN/CSA-C22.2 No. 61010-2-032, EN 61010-1, EN 61010-2-032, IEC 61010-1, IEC 61010-2-032 |
Performance
| Parameter | Value |
|---|---|
| Temperature Coefficient (Output Drift) | ≤0.25 mA/°C |
Technology
Split-core AC/DC current measurement
Applications
Oscilloscope current measurement