PololuPololu· Power & batteries

12V Step-Up Voltage Regulator U3V40F12

Name: 12V Step-Up Voltage Regulator U3V40F12
Brand: Pololu

Manufacturer part no. 4016

$9.95≈ 8.74 €

Price summary

Sold by 2 suppliers, from €8.74 to €10.95. The lowest listed price is Pololu at €8.74. Once shipping, VAT and customs duty are added, the cheapest delivered is RobotShop at about €18.85 — Pololu lands at about €40.49. 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 — 80 units

origin USA
RoHS3

View at seller ↗

Estimated landed cost

Landed cost breakdown
Item	€8.74
Shipping	€25.00
VAT (20%)	€6.75
Total delivered	€40.49

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 €0.46 — cheapest in-stock offer at €10.49 incl. VAT.

Offers from the different sellers, sorted by price
Seller	Availability	Price	Seller link
Pololu	In stock	$9.95€10.49 incl. VAT	Visit ↗
RobotShopBest delivered cost	In stock	€10.95€10.95 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.

Price history

2 price/stock records since 8/4/2026

Lowest 9.95 USDNow 9.95 USDHighest 9.95 USD

Specifications (automatically extracted)

Electrical

Voltage max.	12 V
Voltage min.	1.3 V

Mechanical

Weight

1.5 g

Other characteristics

Maximum input current	9.5 A
Output voltage	12 V
Other pcb markings	0J13554
Pcb dev codes	reg28a
Reverse voltage protection	No
Size	0.6″ × 0.6″ × 0.22″

Description

*Actual achievable maximum continuous current is a function of input voltage and is limited by thermal dissipation. See the output current graphs on the product pages for more information.