Z0603C152DSMST Ferrite Bead Equivalent & Substitute Parts

Part Overview

The Z0603C152DSMST is a 1.5 kOhm ferrite bead manufactured by KEMET in the 0603 (1608 Metric) surface mount package. This component operates at 100 MHz impedance with a maximum current rating of 250mA and 750mOhm DC resistance. The part is classified as obsolete, making equivalent and substitute components necessary for ongoing design support and procurement.

Ferrite beads in this specification are single-line signal filtering components designed for electromagnetic interference (EMI) suppression in high-frequency applications. The 0603 package and specified electrical characteristics define the functional requirements for direct substitution.

Key Parameters

Parameter	Value
Impedance @ 100 MHz	1.5 kOhms
Package / Case	0603 (1608 Metric)
Number of Lines	1
Current Rating (Max)	250mA
DC Resistance (Max)	750mOhm
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Height (Max)	0.037" (0.95mm)
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the Z0603C152DSMST is determined by the following critical parameters:

Mandatory Matching Parameters:

Impedance @ 100 MHz: 1.5 kOhms
Package / Case: 0603 (1608 Metric)
Number of Lines: 1
Operating Temperature Range: -55°C ~ 125°C
Mounting Type: Surface Mount
Physical Dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)

Allowable Variation Parameters:

Current Rating (Max): Substitute parts with equal or higher current ratings are acceptable
DC Resistance (Max): Substitute parts with equal or lower DC resistance are acceptable
Filter Type: Signal Line or Power Line classifications are functionally compatible within this impedance specification
Product Status: Active status preferred; obsolete status acceptable for legacy applications

All substitute parts listed maintain the core impedance and package specifications while offering improved electrical performance characteristics in current handling and DC resistance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DC Resistance (Max)	Package / Case	Product Status	Packaging Type
Z0603C152DSMST	KEMET	1.5 kOhms	250mA	750mOhm	0603 (1608 Metric)	Obsolete	-
BBBK00160808152Y00	Pulse Electronics	1.5 kOhms	300mA	600mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
BBPY00160808152Y00	Pulse Electronics	1.5 kOhms	500mA	400mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
BLM18HE152SN1D	Murata Electronics	1.5 kOhms	500mA	500mOhm	0603 (1608 Metric)	Active	Cut Tape (CT) & Digi-Reel®
GZ1608D152CTF	Shenzhen Sunlord Electronics Co., Ltd.	1.5 kOhms	300mA	600mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
HCB05-152-RC	Allied Components International	1.5 kOhms	500mA	400mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
HPZ1608E152-R50TF	Shenzhen Sunlord Electronics Co., Ltd.	1.5 kOhms	500mA	500mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
MMZ1608Y152BTA00	TDK Corporation	1.5 kOhms	300mA	600mOhm	0603 (1608 Metric)	Active	Cut Tape (CT) & Digi-Reel®
MMZ1608Y152CTA00	TDK Corporation	1.5 kOhms	300mA	500mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)
SZ1608K152CTF	Shenzhen Sunlord Electronics Co., Ltd.	1.5 kOhms	250mA	750mOhm	0603 (1608 Metric)	Active	Tape & Reel (TR)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The SZ1608K152CTF from Shenzhen Sunlord Electronics Co., Ltd. provides exact electrical parameter matching to the Z0603C152DSMST with identical current rating (250mA) and DC resistance (750mOhm). This part carries Active product status and is available in Tape & Reel packaging, making it the direct functional equivalent.

Secondary Substitutes (Enhanced Performance):

Parts with improved current handling and reduced DC resistance are suitable for applications where the original design margins allow for enhanced electrical performance:

BBBK00160808152Y00 (Pulse Electronics): 300mA current rating, 600mOhm DC resistance
GZ1608D152CTF (Shenzhen Sunlord Electronics Co., Ltd.): 300mA current rating, 600mOhm DC resistance
MMZ1608Y152BTA00 (TDK Corporation): 300mA current rating, 600mOhm DC resistance
MMZ1608Y152CTA00 (TDK Corporation): 300mA current rating, 500mOhm DC resistance

High-Performance Substitutes (Maximum Capability):

Parts with 500mA current rating and reduced DC resistance provide maximum performance headroom:

BBPY00160808152Y00 (Pulse Electronics): 500mA current rating, 400mOhm DC resistance
BLM18HE152SN1D (Murata Electronics): 500mA current rating, 500mOhm DC resistance
HCB05-152-RC (Allied Components International): 500mA current rating, 400mOhm DC resistance
HPZ1608E152-R50TF (Shenzhen Sunlord Electronics Co., Ltd.): 500mA current rating, 500mOhm DC resistance

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. All parts operate within the -55°C ~ 125°C temperature range and are available in standard surface mount packaging formats.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher current rating than the original Z0603C152DSMST?

A: Yes. Substitute parts with current ratings of 300mA or 500mA are functionally compatible. Higher current ratings indicate improved thermal performance and do not negatively affect circuit operation when the original design specifies 250mA maximum.

Q: What is the significance of DC resistance differences between substitute parts?

A: DC resistance affects power dissipation and insertion loss. Substitute parts with lower DC resistance (400mOhm to 500mOhm versus the original 750mOhm) provide improved performance characteristics. Parts with equal or higher DC resistance maintain original circuit behavior.

Q: Are Signal Line and Power Line ferrite beads interchangeable in this specification?

A: Within the 1.5 kOhm @ 100 MHz specification, Signal Line and Power Line classifications are functionally compatible. Both filter types achieve the same impedance characteristic at the specified frequency. Selection between these classifications depends on application-specific requirements not defined by impedance alone.

Q: Does packaging type (Tape & Reel versus Cut Tape) affect electrical performance?

A: No. Packaging type affects procurement and handling only. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats contain identical components with identical electrical specifications. Selection is based on manufacturing assembly requirements and inventory management.

Q: Why is the Z0603C152DSMST listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. Active substitute parts from other manufacturers provide equivalent or superior electrical performance and ensure long-term design support and component availability.

Q: Can I substitute the Z0603C152DSMST with a part having different physical dimensions?

A: No. All substitute parts maintain the 0603 (1608 Metric) package with 0.063" L x 0.031" W (1.60mm x 0.80mm) dimensions. Physical compatibility with PCB footprints and assembly equipment requires exact package matching.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original Z0603C152DSMST specifications. REACH status is either Unaffected or available upon request across all listed alternatives.

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