PololuPololu· Electronics
ACS71240KEXBLT-050B3 Current Sensor Carrier -50A to +50A, 3.3V
Manufacturer part no. 5242
$5.25≈ 4.56 €
In stock — 296 units
- origin USA
- RoHS3
Estimated landed cost
| Item | €4.56 |
|---|---|
| Shipping | €25.00 |
| VAT (20%) | €5.91 |
| Total delivered | €35.47 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Volume pricing
| Qty | Unit price | Saving |
|---|---|---|
| ≥ 1 | $5.25 | |
| ≥ 5 | $4.83 | −8 % |
| ≥ 25 | $4.44 | −15 % |
| ≥ 100 | $4.09 | −22 % |
Datasheets & documents
- 📄 Dimension diagram of the ACS71240 Current Sensor Carrier
- 📄 3D model of the ACS711EX and ACS71240 Current Sensor Carrier
- 📄 Drill guide for ACS711EX and ACS71240 Current Sensor Carrier
- 📄 ACS71240 datasheet
- 📄 Allegro Application Note AN296169: Characterizing System Bandwidth in Complex Current Sensor Applications
- 📄 Allegro product page for the ACS71240 Hall-based Current Sensor
3 offers for this product
Save up to €0.47 — cheapest in-stock offer at €5.47 incl. VAT.
| Seller | Availability | Price | Seller link |
|---|---|---|---|
| Pololu | In stock | $5.25€5.47 incl. VAT | Visit ↗ |
| TMEBest delivered cost | In stock | €4.95€5.94 incl. VAT | Visit ↗ |
| RobotShop | Special order | €5.77€5.77 incl. VAT | Visit ↗ |
Prices compared incl. VAT: some sellers list ex-VAT trade prices, others VAT-inclusive retail prices. The badge marks the best estimated delivered cost, shipping and duties included — not always the first row.
Specifications (automatically extracted)
Electrical
| Current | 50 A |
| Voltage | 3.3 V |
Mechanical
| Weight | 1.1 g |
Other characteristics
| Current sense | 26.4 mV/A |
| Maximum logic voltage | 3.6 V |
| Minimum logic voltage | 3 V |
| Supply current | 12 mA |
| Current range | -​50A to +50A (bidirectional 50A), 3.3V |
| Current sensor | Allegro ACS71240KEXBLT-050B3 |
| Other pcb markings | 0J7387 |
| Pcb dev codes | cs02b |
| Size | 0.7″ × 0.8″ |
Description
This board is a simple carrier of Allegro’s ACS71240KEXBLT-050B3 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.6 mΩ) IC current path and a 120 kHz bandwidth with <5 µs response time.
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