PololuPololu· Sensors

ACS72981LLRATR-100B3 Current Sensor Compact Carrier -100A to +100A, 3.3V

Name: ACS72981LLRATR-100B3 Current Sensor Compact Carrier -100A to +100A, 3.3V
Brand: Pololu

Manufacturer part no. 5253

$13.95≈ 12.29 €

Price summary

Sold by 2 suppliers, from €9.73 to €12.29. The lowest listed price is TME at €9.73. It is also the cheapest delivered: about €23.56 including shipping, VAT and any customs duty. Prices last checked on 2026-10-01.

Delivered cost is an estimate for a single item shipped to mainland France; the seller's checkout is authoritative.

In stock — 189 units

origin USA
RoHS3

View at seller ↗

Estimated landed cost

Landed cost breakdown
Item	€12.29
Shipping	€25.00
VAT (20%)	€7.46
Total delivered	€44.75

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

2 offers for this product

Save up to €3.07 — cheapest in-stock offer at €11.68 incl. VAT.

Offers from the different sellers, sorted by price
Seller	Availability	Price	Seller link
TMEBest delivered cost	In stock	€9.73€11.68 incl. VAT	Visit ↗
Pololu	In stock	$13.95€14.75 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	100 A
Voltage	3.3 V

Mechanical

Weight

1.4 g

Other characteristics

Current sense	13.2 mV/A
Maximum logic voltage	3.6 V
Minimum logic voltage	3 V
Supply current	14 mA
Current range	-100A to +100A (bidirectional 100A), 3.3V
Current sensor	Allegro ACS72981LLRATR-100B3
Other pcb markings	0J14752
Pcb dev codes	cs04a
Size	0.7″ × 0.8″

Description

This is the compact version of a simple carrier for Allegro’s ACS72981LLRATR-100B3 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.2 mΩ) IC current path and a 250 kHz bandwidth with <2 µs response time.