Mfr Part #:

78436432047

Q: What is the inductance value of the 78436432047?

The inductance is 4.7 µH with ±15% tolerance, measured at 100 kHz and 5 mA.

Q: What is the rated current of this inductor?

The rated current is 38 A typical (ΔT=50 K).

Q: What is the DC resistance?

The DC resistance is 1.1 mΩ typical with ±10% tolerance.

Q: What is the self-resonant frequency?

The self-resonant frequency is 28 MHz typical.

Q: What is the package size of the 78436432047?

The package dimensions are 27.50 mm x 27.50 mm x 17.00 mm, surface mount, nonstandard case.

Q: What is the operating temperature range?

The operating temperature range is -40°C to 150°C. The ambient temperature range (referring to rated current) is -40°C to 100°C.

Q: Is the 78436432047 automotive qualified?

Yes, it is AEC-Q200 Grade 1 qualified.

Available from 1 distributors

Mfr Name: Würth Elektronik

Fixed inductor, 4.7 µH ±15%, 38 A rated current, 1.1 mΩ DCR, shielded wirewound, surface mount.

✓ Total Stock: 48 pcs

$ Price Range: $7.61 - $10.41

78436432047 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Bristol Electronics ✓ Non-Authorised Inventory information	48 pcs On Request	48 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

78436432047 Description

Short technical summary and product information.

The 78436432047 is a WE-HCFA series high current flat wire inductor from Würth Elektronik. It offers a nominal inductance of 4.7 µH with ±15% tolerance, measured at 100 kHz and 5 mA. The component is rated for a continuous current of 38 A (ΔT=50 K) and has a saturation current of 33 A (|ΔL/L|<10%). DC resistance is 1.1 mΩ typical with ±10% tolerance.

This shielded wirewound inductor is designed for surface mount assembly with a nonstandard package measuring 27.50 mm x 27.50 mm x 17.00 mm. It is qualified to AEC-Q200 Grade 1, making it suitable for automotive applications. The operating temperature range is -40°C to 150°C, with an ambient temperature range of -40°C to 100°C (referring to rated current).

Compliance includes RoHS (2011/65/EU&2015/863), REACH (EC 1907/2006), and Halogen Free (JEDEC JS709B, IEC 61249-2-21). Moisture sensitivity level is MSL 1. The self-resonant frequency is typically 28 MHz. Typical applications include DC-DC converters, power supply filtering, and high-current automotive circuits.

78436432047 Quick Information

Product Type: Fixed Inductor

Series: WE-HCFA

Canonical Name: WE-HCFA High Current Flat Wire Inductor, 4.7 µH, 38 A, Surface Mount

Subcategory: Fixed Inductor

78436432047 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): Level 1

REACH Status: Compliant

78436432047 Estimated Pricing

Qty	Low	High
1+	$10.41	$10.41
10+	$9.23	$9.23
48+	$8.60	$8.60
96+	$7.61	$7.61

Estimated market price range - modelled values for guidance only, not live distributor offers.

78436432047 Features

Shielded wirewound construction for low EMI.
High current rating: 38 A typical.
Low DC resistance: 1.1 mΩ typical.
AEC-Q200 Grade 1 qualified.
Wide operating temperature range -40°C to 150°C.

78436432047 Applications

DC-DC converters in automotive electronics.
High current power supply filtering.
Engine control units and sensors.
LED lighting drivers.
Industrial power modules.

78436432047 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the inductance value of the 78436432047?

The inductance is 4.7 µH with ±15% tolerance, measured at 100 kHz and 5 mA.

What is the rated current of this inductor?

The rated current is 38 A typical (ΔT=50 K).

What is the DC resistance?