Wurth Elektronik, WELQ 1812 Surface Mount Inductor with a Ferrite Core, 3.9 μH 1.32 A Idc Q:40

Bulk discount available

Subtotal (1 tape of 10 units)*

£6.95

(exc. VAT)

£8.34

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 140 unit(s) shipping from 25 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
Per Tape*
10 - 90£0.695£6.95
100 - 490£0.563£5.63
500 - 990£0.43£4.30
1000 +£0.393£3.93

*price indicative

Packaging Options:
RS Stock No.:
548-604
Mfr. Part No.:
7440450039
Brand:
Wurth Elektronik
Find similar products by selecting one or more attributes.
Select all

Brand

Wurth Elektronik

Inductance

3.9μH

Product Type

Surface Mount Inductor

Maximum DC Current

1.32A

Length

4.5mm

Packaging

Tape & Reel

Automotive Standard

No

Minimum Operating Temperature

-40°C

Maximum DC Resistance

0.14Ω

Series

WELQ 1812

Maximum Operating Temperature

125°C

Termination Style

Package

Core Material

Ferrite

Standards/Approvals

REACH, RoHS, Halogen-Free

Depth

2.9mm

Diameter

2.9mm

Height

2.9mm

Minimum Quality Factor

40

Inductor Construction

Wirewound

COO (Country of Origin):
CN
The Wurth Elektronik SMT Inductor is a miniature chip inductor wound on a specialized ferrite core, designed for compact circuits requiring low power operation. With an operating temperature range of –40°C to +125°C, it is suitable for various applications, including low power DC/DC converters. Its robust design and compact size make it ideal for modern electronic devices requiring reliable and efficient inductive components.

Small inductances for compact circuits

High Q at high frequencies

Low DC resistance

Related links