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BCM54140B0KFBG BCM54140B0KFBG is a Quad Gigabit Ethernet PHY by Broadcom. It supports 4 ports at 10/100/1000 Mbps with SGMII and Combo interface.
Mfr Part #:

BCM54140B0KFBG

Available from 1 distributors
Mfr Name: Broadcom Limited
Broadcom Limited
BCM54140B0KFBG is a Quad Gigabit Ethernet PHY by Broadcom. It supports 4 ports at 10/100/1000 Mbps with SGMII and Combo interface.
✓ Total Stock: 1,900 pcs

BCM54140B0KFBG Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
1,900 pcs
On Request
1900 pcs On Request 1 On Request On Request 22+ On Request On Request
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BCM54140B0KFBG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BCM54140B0KFBG Description

Short technical summary and product information.

The BCM54140B0KFBG is a Quad Gigabit Ethernet PHY (physical layer transceiver) manufactured by Broadcom Limited. It provides four independent ports each capable of 10/100/1000 Mbps data rates, supporting both SGMII and Combo interfaces. This device is designed for use in network switches, routers, and other networking equipment requiring high-speed Ethernet connectivity. The PHY integrates features for reliable signal transmission and is compliant with RoHS3, REACH, and has an MSL rating of 1 Unlimited. As a quad-port solution, it offers a compact footprint for space-constrained designs.

BCM54140B0KFBG Quick Information

Product Type: Ethernet PHY
Series: BCM54140
Canonical Name: BCM54140B0KFBG Quad Gigabit Ethernet PHY
Subcategory: Ethernet PHY

BCM54140B0KFBG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BCM54140B0KFBG Features

  • Quad Gigabit Ethernet PHY with 4 ports.
  • Supports 10/100/1000 Mbps data rates.
  • Features SGMII and Combo interfaces.
  • Compliant with RoHS3 and REACH.

BCM54140B0KFBG Applications

  • Ideal for network switches requiring multiple Gigabit ports.
  • Used in routers with SGMII interface.
  • Suitable for combo port designs.
  • For enterprise network infrastructure.

BCM54140B0KFBG FAQs

7 frequently asked questions generated from this part’s specifications.
How many ports does the BCM54140B0KFBG have?

4 ports.

What data rates does it support?

10/100/1000 Mbps.

What interfaces does it support?

SGMII and Combo.

Is it RoHS compliant?

RoHS3 compliant (unverified).

Is it REACH compliant?

REACH unaffected (unverified).

What is the MSL rating?

MSL 1 Unlimited (unverified).

What type of component is it?

Ethernet PHY.

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