HF-A Small current range / PCB-mounting type 
Dimensional outline drawing
Characteristics charts
Features
- Rated current: 6A–50A
- High accuracy current sensor using fluxgate technology
- Handles 5V single power supply and reference voltage (Vref)
- Excellent in temperature characteristics
- High-speed respose
Applications
Inverters, Servo drivers, Power supply equipment, Uninterruptible power supply (UPS), NC machine tools, Welders
Electrical characteristics Ta=25℃
| Type | HF-A06V0625PP5D | HF-A15V0625PP5D | HF-A25V0625PP5D | HF-A50V0625PP5D |
|---|---|---|---|---|
| Rated current [If] | ±6A | ±15A | ±25A | ±50A |
| Continuously flowing DC current | ±20A | ±51A | ±55A | ±55A |
| Saturation current [Is] | ±20A | ±51A | ±85A | ±150A |
| Linearity limits | 0~±18A | 0~±45A | 0~±75A | 0~±100A |
| Internal reference voltage [Vref] (I=0) | +2.5±5mV | |||
| External reference voltage [Vref] | 0～4V | |||
| Rated output [Vh] (I=If, output-Vref) | ±0.625V±0.7% | |||
| Residual output [V0] (I=0, output-Vref) | Within ±5.3mV | Within ±2.2mV | Within ±1.35mV | Within ±0.725mV |
| Output linearity | Within ±0.1% | |||
| Response time | Within 0.3μs (at di/dt=If/μs) | |||
| Response performance | Within 10% | |||
| Hysteresis voltage range | Within 1mV | |||
| Output Temp. Coef. | Within ±0.004%/℃ | |||
| Residual output Temp. Coef. | Within ±0.035mV/℃ | Within ±0.015mV/℃ | Within ±0.01mV/℃ | Within ±0.0075mV/℃ |
| Internal reference voltage Temp. Coef. | Within ±0.125mV/℃ | |||
| Control power supply | +5V±5% | |||
| Consumption current | 20mA+(Input current/1760) | 20mA+(Input current/1768) | ||
| Operating Temp. | -40℃～+85℃ | |||
| Storage Temp. | -40℃～+105℃ | |||
| Dielectric withstand voltage | 4000V AC 50/60Hz 1minute | |||
| Insulation resistance | Not less than 500MΩ 500V DC | |||
- Note1）
- The indicated residual output is the one after the core hysteresis is removed.
- Note2）
- Energization time of saturation current shall be within 1 second.
- Note3）
- Energization time of continuous live DC current x150% shall be within 1 minute.
- Note4）
- In this specification, accuracy was determined with reference to the reference voltage (Vref).
- Note5）
- For the reference voltage, there are 2 types of modes of internal reference output and external reference input.
Consultations and Inquiries about Our Products
Current sensor user's guide
When using our current sensors, please read the following “Handling Precautions,” “Main Characteristics,” and “Product Labeling” and use them within the specified limits.
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