Würth Elektronik 742792693 Ferrite Bead 2.2K OHM 0603 Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 742792693 is a single-line ferrite bead component in 0603 (1608 Metric) surface mount package, rated for 2.2 kOhms impedance at 100 MHz with 50mA maximum current. This component is active in production and widely used in signal line filtering applications. Equivalent and substitute parts are identified based on matching package dimensions, mounting type, operating temperature range, and electrical performance within acceptable tolerance bands for ferrite bead applications.

Key Parameters

Parameter	Value
Impedance @ 100 MHz	2.2 kOhms
Current Rating (Max)	50mA
DC Resistance (Max)	800mOhm
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for ferrite beads is determined by the following criteria:

Primary Matching Parameters:

Package / Case: 0603 (1608 Metric)
Mounting Type: Surface Mount
Filter Type: Signal Line
Number of Lines: 1
Operating Temperature Range: -55°C ~ 125°C
Moisture Sensitivity Level: 1

Secondary Electrical Parameters (Tolerance Band):

Impedance @ 100 MHz: 1.8 kOhms to 2.5 kOhms
Current Rating: Minimum 50mA
DC Resistance: Maximum 800mOhm

Parts meeting all primary parameters and falling within the secondary electrical tolerance band are classified as parametric equivalents. Impedance variation within ±15% of the main part specification is acceptable for signal line ferrite bead applications in this package class.

Parameter Comparison

Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DC Resistance (Max)	Package	Height (Max)	RoHS Status	Product Status
742792693	Würth Elektronik	2.2 kOhms	50mA	800mOhm	0603 (1608 Metric)	0.039" (1.00mm)	ROHS3 Compliant	Active
742792692	Würth Elektronik	1.8 kOhms	50mA	800mOhm	0603 (1608 Metric)	0.039" (1.00mm)	ROHS3 Compliant	Active
FB160808T-182Y-S	Cal-Chip Electronics, Inc.	1.8 kOhms	100mA	700mOhm	0603 (1608 Metric)	0.037" (0.95mm)	RoHS Compliant	Active
FB160808T-252Y-S	Cal-Chip Electronics, Inc.	2.5 kOhms	100mA	700mOhm	0603 (1608 Metric)	0.037" (0.95mm)	RoHS Compliant	Active
ILBB0603ER202V	Vishay Dale	2 kOhms	50mA	800mOhm	0603 (1608 Metric)	0.037" (0.95mm)	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts are active production components with current availability. Selection between equivalents should be based on the following factors:

Würth Elektronik 742792692: Identical electrical specifications and DC resistance to the main part with matching current rating. Identical package height. Recommended for direct substitution where Würth Elektronik series continuity is required.

Cal-Chip Electronics FB160808T-182Y-S: Provides lower impedance (1.8 kOhms) with enhanced current rating (100mA) and reduced DC resistance (700mOhm). Suitable for applications requiring higher current capacity or lower insertion loss. Slightly reduced package height (0.037" vs 0.039").

Cal-Chip Electronics FB160808T-252Y-S: Provides higher impedance (2.5 kOhms) with enhanced current rating (100mA) and reduced DC resistance (700mOhm). Suitable for applications requiring higher impedance filtering or increased current margin. Slightly reduced package height (0.037" vs 0.039").

Vishay Dale ILBB0603ER202V: Provides impedance closest to the main part (2 kOhms) with matching current rating and DC resistance specifications. Identical RoHS3 compliance status. Slightly reduced package height (0.037" vs 0.039").

All substitute parts maintain -55°C to 125°C operating temperature range and MSL 1 rating. All parts are RoHS compliant.

Frequently Asked Questions (FAQ)

Q: Can I substitute 742792692 for 742792693 in my design? A: Yes. The 742792692 is a parametric equivalent with identical current rating, DC resistance, and package dimensions. The 1.8 kOhms impedance is within the acceptable tolerance band for ferrite bead signal line filtering applications.

Q: What is the impedance tolerance range for acceptable substitution? A: Ferrite bead impedance variation of ±15% from the main part specification (2.2 kOhms) is acceptable. This establishes a tolerance band of 1.87 kOhms to 2.53 kOhms at 100 MHz. All listed substitutes fall within this range.

Q: Can I use FB160808T-252Y-S if my circuit requires 2.2 kOhms impedance? A: The FB160808T-252Y-S provides 2.5 kOhms impedance, which is 13.6% higher than the main part specification. This falls within the acceptable tolerance band for signal line ferrite bead applications and is suitable for use.

Q: What is the difference between the Würth Elektronik and Cal-Chip parts? A: Würth Elektronik parts (742792693, 742792692) maintain 800mOhm DC resistance with 50mA current rating. Cal-Chip parts (FB160808T-182Y-S, FB160808T-252Y-S) offer improved performance with 700mOhm DC resistance and 100mA current rating, providing lower insertion loss and higher current capacity.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed parts are RoHS compliant. The main part and Würth Elektronik 742792692 and Vishay Dale ILBB0603ER202V are ROHS3 compliant. Cal-Chip parts are RoHS compliant.

Q: Does package height variation affect PCB layout? A: The main part has maximum height of 0.039" (1.00mm). Substitute parts have maximum heights of 0.037" (0.95mm) or 0.039" (1.00mm). The 0.02mm reduction in height for Cal-Chip and Vishay parts is negligible for standard PCB assembly and does not require layout modification.

Q: Can I use ILBB0603ER202V as a direct replacement? A: Yes. The ILBB0603ER202V provides 2 kOhms impedance (9.1% lower than the main part), matching current rating, and identical DC resistance. This falls within the acceptable tolerance band and is suitable for direct substitution.

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