PMC0402-301 Ferrite Bead Equivalent & Substitute Parts

Part Overview

The PMC0402-301 is a 300 Ohm ferrite bead in 0402 (1005 Metric) surface mount package rated for 100mA maximum current with 500mOhm DC resistance. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The ferrite bead operates across the temperature range of -55°C to 125°C and is non-RoHS compliant.

Key Parameters

Parameter	Value
Impedance @ Frequency	300 Ohms @ 100 MHz
Current Rating (Max)	100mA
DC Resistance (DCR) (Max)	500mOhm
Package / Case	0402 (1005 Metric)
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Number of Lines	1

Substitute Part Grouping Explanation

Substitute parts for the PMC0402-301 are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Impedance specification: 300 Ohms @ 100 MHz (exact match required)
Current rating: 100mA minimum
DC resistance: 500mOhm maximum
Package: 0402 (1005 Metric) surface mount
Operating temperature range: -55°C to 125°C
Number of lines: 1

Parts meeting all these parameters are classified as direct substitutes. Parts with variations in impedance or current rating are classified as parametric equivalents and require application-level verification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ Frequency	Current Rating (Max)	DCR (Max)	Package	Height (Max)	Product Status	RoHS Status
PMC0402-301	Bourns Inc.	300 Ohms @ 100 MHz	100mA	500mOhm	0402 (1005 Metric)	0.020" (0.50mm)	Obsolete	RoHS non-compliant
MU1005-301Y	Bourns Inc.	300 Ohms @ 100 MHz	100mA	500mOhm	0402 (1005 Metric)	0.024" (0.60mm)	Active	ROHS3 Compliant
FCM 1005KF-301T01	TAI-TECH Advanced Electronics Co., Ltd.	300 Ohms @ 100 MHz	100mA	500mOhm	0402 (1005 Metric)	0.024" (0.60mm)	Active	RoHS Compliant
GZ1005D301TF	Shenzhen Sunlord Electronics Co., Ltd.	300 Ohms @ 100 MHz	100mA	500mOhm	0402 (1005 Metric)	0.026" (0.65mm)	Active	ROHS3 Compliant
GZ1005E241TF	Shenzhen Sunlord Electronics Co., Ltd.	240 Ohms @ 100 MHz	200mA	500mOhm	0402 (1005 Metric)	0.026" (0.65mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Electrical & Mechanical Match):

MU1005-301Y, FCM 1005KF-301T01, and GZ1005D301TF meet all electrical specifications of the PMC0402-301. These parts are active products with current manufacturing status. MU1005-301Y and GZ1005D301TF carry ROHS3 compliance, while FCM 1005KF-301T01 is RoHS compliant. Height variations (0.024" to 0.026") are within acceptable tolerances for 0402 package specifications.

Parametric Equivalent (Impedance & Current Variation):

GZ1005E241TF differs in impedance (240 Ohms @ 100 MHz) and current rating (200mA). This part is suitable only for applications where the lower impedance and higher current capacity are acceptable or beneficial.

Frequently Asked Questions (FAQ)

Q: Can MU1005-301Y directly replace PMC0402-301 in production?

A: Yes. MU1005-301Y matches all critical electrical parameters (300 Ohms @ 100 MHz, 100mA, 500mOhm DCR) and package specifications. The height difference (0.024" vs 0.020") is within 0402 package tolerance. MU1005-301Y is an active product with ROHS3 compliance.

Q: What is the difference between direct substitutes and parametric equivalents?

A: Direct substitutes (MU1005-301Y, FCM 1005KF-301T01, GZ1005D301TF) match the impedance, current rating, and DC resistance specifications exactly. GZ1005E241TF is a parametric equivalent with different impedance (240 Ohms) and higher current rating (200mA), requiring application-level assessment.

Q: Are there RoHS compliance differences among substitutes?

A: Yes. MU1005-301Y and GZ1005D301TF are ROHS3 compliant. FCM 1005KF-301T01 is RoHS compliant. The original PMC0402-301 is RoHS non-compliant. Compliance requirements depend on end-use application and regional regulations.

Q: Do height variations affect PCB layout?

A: Height differences range from 0.020" (PMC0402-301) to 0.026" (GZ1005D301TF). All parts conform to 0402 (1005 Metric) package specifications. Verify PCB clearance requirements for your specific application.

Q: Which substitute offers the best inventory availability?

A: GZ1005E241TF has the highest inventory (450,300 pcs). GZ1005D301TF has 50,100 pcs. FCM 1005KF-301T01 has 10,843 pcs. MU1005-301Y has 838 pcs. Inventory levels are subject to change.

Q: Can GZ1005E241TF be used if impedance tolerance is acceptable?

A: GZ1005E241TF operates at 240 Ohms @ 100 MHz versus the specified 300 Ohms. This 20% impedance reduction and doubled current capacity (200mA vs 100mA) require circuit-level evaluation to confirm compatibility with your application requirements.

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