Equivalent & Substitute Parts for 0ZCD0030FF2C

Part Overview

The 0ZCD0030FF2C is a polymeric PTC resettable fuse manufactured by Bel Fuse Inc., rated for 60V maximum voltage with a 300 mA hold current. This component is classified as obsolete, which necessitates identification of active alternative parts that maintain electrical and mechanical compatibility. Substitute parts must match the core electrical specifications: 60V voltage rating, 300 mA hold current, 600 mA trip current, and 3-second trip time, while accommodating variations in package form factor and physical dimensions.

Key Parameters

Parameter	0ZCD0030FF2C
Voltage - Max	60V
Current - Hold (Ih) (Max)	300 mA
Current - Trip (It)	600 mA
Time to Trip	3 s
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	2920 (7351 Metric)
Type	Polymeric
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical parameters: maximum voltage rating of 60V, hold current of 300 mA, trip current of 600 mA, and trip time of 3 seconds. All substitute parts listed meet these core electrical requirements. Mechanical compatibility is evaluated based on surface mount technology and operating temperature range of -40°C to 85°C. Package form factors vary between 2920 (7351 Metric) and 2-SMD configurations; physical dimension variations are acceptable provided the components are surface-mountable and fit within standard PCB assembly processes. All substitute parts are classified as active products with current manufacturing status, ensuring long-term availability and supply chain reliability.

Parameter Comparison

Parameter	0ZCD0030FF2C	0ZCF0030FF2C	2920L030DR	MF-SM030-2	PFSM.030.2	SMD030F-2
Manufacturer	Bel Fuse Inc.	Bel Fuse Inc.	Littelfuse Inc.	Bourns Inc.	SCHURTER Inc.	Littelfuse Inc.
Voltage - Max	60V	60V	60V	60V	60V	60V
Current - Hold (Ih) (Max)	300 mA	300 mA	300 mA	300 mA	300 mA	300 mA
Current - Trip (It)	600 mA	600 mA	600 mA	600 mA	600 mA	600 mA
Time to Trip	3 s	3 s	3 s	3 s	3 s	3 s
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Type	Polymeric	Polymeric	Polymeric	Polymeric	Polymeric	Polymeric
Product Status	Obsolete	Active	Active	Active	Active	Active
Approval Agency	cURus, TUV	AEC-Q200, cURus, TUV	cURus, TUV	cURus, TUV	cURus, TUV	CSA, TUV, UL
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain electrical equivalence to the 0ZCD0030FF2C across the critical parameters of voltage rating, hold current, trip current, and response time. Selection among substitutes should prioritize product status and regulatory compliance.

The 0ZCF0030FF2C from Bel Fuse Inc. represents the direct manufacturer upgrade path, offering active product status with AEC-Q200 automotive qualification and ROHS3 compliance. This part maintains the same series lineage and electrical characteristics while providing enhanced supply availability.

The 2920L030DR from Littelfuse Inc. and SMD030F-2 from Littelfuse Inc. are active alternatives with established supply chains. The 2920L030DR maintains the 2920 package form factor, while SMD030F-2 uses a 2-SMD configuration. Both carry ROHS3 compliance and established approval certifications.

The MF-SM030-2 from Bourns Inc. and PFSM.030.2 from SCHURTER Inc. provide alternatives with 2-SMD package configurations. Both parts carry AEC-Q200 ratings and ROHS3 compliance, suitable for applications requiring automotive-grade reliability.

Package form factor differences (2920 versus 2-SMD) require PCB layout verification prior to implementation. Physical dimension variations are provided in the detailed specifications and must be confirmed against available board space.

Frequently Asked Questions (FAQ)

Q: Can the 0ZCD0030FF2C be directly replaced with any of these substitute parts?

A: All listed substitute parts meet the core electrical requirements of 60V voltage rating, 300 mA hold current, 600 mA trip current, and 3-second trip time. Direct replacement feasibility depends on package form factor compatibility with your PCB layout. Parts maintaining the 2920 package form factor (0ZCF0030FF2C, 2920L030DR) offer the closest mechanical fit. Parts using 2-SMD packages (MF-SM030-2, PFSM.030.2, SMD030F-2) require PCB redesign verification.

Q: What is the primary reason for substitution?

A: The 0ZCD0030FF2C is classified as obsolete. All substitute parts are active products with current manufacturing status, ensuring reliable long-term supply and continued support.

Q: Are there differences in initial resistance or post-trip resistance among these parts?

A: Initial resistance values range from 900 mOhms to 1.2 Ohms across the substitute parts. Post-trip resistance is consistently specified at 4.8 Ohms maximum. These variations fall within acceptable tolerances for polymeric PTC fuse applications.

Q: Which substitute offers the best compliance profile?

A: The 0ZCF0030FF2C includes AEC-Q200 automotive qualification in addition to cURus and TUV approvals. The MF-SM030-2 and PFSM.030.2 also carry AEC-Q200 ratings. The SMD030F-2 includes CSA, TUV, and UL certifications. Selection should align with your application's regulatory requirements.

Q: Do package form factor differences affect electrical performance?

A: No. The 2920 and 2-SMD package configurations are functionally equivalent from an electrical standpoint. Package selection is determined by PCB layout constraints and assembly process compatibility.

Q: What is the moisture sensitivity level consideration?

A: The 0ZCD0030FF2C specifies MSL 2A (4 Weeks). Most active substitutes maintain this specification. The MF-SM030-2 specifies MSL 1 (Unlimited), offering superior moisture tolerance. The PFSM.030.2 specifies MSL Not Applicable. Verify moisture handling requirements for your storage and assembly environment.

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