PololuPololu· Sensors

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

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

Manufacturer part no. 5273

$16.95≈ 14.90 €

Price summary

Sold by 2 suppliers, from €12.55 to €14.90. The lowest listed price is TME at €12.55. It is also the cheapest delivered: about €26.94 including shipping, VAT and any customs duty. Prices last checked on 2026-09-29.

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

In stock — 151 units

origin USA
RoHS3

View at seller ↗

Estimated landed cost

Landed cost breakdown
Item	€14.90
Shipping	€25.00
VAT (20%)	€7.98
Total delivered	€47.88

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 €2.82 — cheapest in-stock offer at €15.06 incl. VAT.

Offers from the different sellers, sorted by price
Seller	Availability	Price	Seller link
TMEBest delivered cost	In stock	€12.55€15.06 incl. VAT	Visit ↗
Pololu	In stock	$16.95€17.88 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

4.2 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	0J14823
Pcb dev codes	cs04b
Size	1.4″ × 1.2″

Description

This is the large 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.