Equivalent & Substitute Parts for 0ZCC0035FF2C

Part Overview

The 0ZCC0035FF2C is a polymeric PTC resettable fuse manufactured by Bel Fuse Inc., rated for 16V at 350 mA hold current in a 1812 (4532 Metric) surface mount package. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity. The part provides overcurrent protection through automatic reset functionality without component replacement.

Key Parameters

Parameter	Value
Voltage - Max	16V
Current - Hold (Ih) (Max)	350 mA
Current - Trip (It)	700 mA
Time to Trip	100 ms
Resistance - Initial (Ri) (Min)	320 mOhms
Resistance - Post Trip (R1) (Max)	1.5 Ohms
Operating Temperature Range	-40°C ~ 85°C
Package / Case	1812 (4532 Metric)
Mounting Type	Surface Mount
Type	Polymeric

Substitute Part Grouping Explanation

Substitution eligibility for the 0ZCC0035FF2C is determined by strict equivalence across the following critical parameters:

Voltage rating: 16V maximum
Hold current (Ih): 350 mA maximum
Trip current (It): 700 mA
Time to trip: 100 ms
Initial resistance: 320 mOhms minimum
Post-trip resistance: 1.5 Ohms maximum
Package: 1812 (4532 Metric) surface mount
Operating temperature: -40°C to 85°C
Polymeric PTC type

Both identified substitutes meet these core electrical and mechanical requirements. Differences in product status, certifications, and physical dimensions are noted but do not affect functional interchangeability within the specified parameter envelope.

Parameter Comparison

Parameter	0ZCC0035FF2C (Main)	0ZCG0035FF2C (Substitute)	PTS181216V035 (Substitute)
Manufacturer	Bel Fuse Inc.	Bel Fuse Inc.	Eaton - Electronics Division
Product Status	Obsolete	Active	Active
Voltage - Max	16V	16V	16V
Current - Hold (Ih) (Max)	350 mA	350 mA	350 mA
Current - Trip (It)	700 mA	700 mA	700 mA
Current - Max	40 A	40 A	100 A
Time to Trip	100 ms	100 ms	100 ms
Resistance - Initial (Ri) (Min)	320 mOhms	320 mOhms	320 mOhms
Resistance - Post Trip (R1) (Max)	1.5 Ohms	1.5 Ohms	1.5 Ohms
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	1812 (4532 Metric)	1812 (4532 Metric), Concave	1812 (4532 Metric), Concave
Thickness (Max)	0.035" (0.90mm)	0.028" (0.70mm)	0.027" (0.68mm)
Approval Agency	cURus, TUV	AEC-Q200, cURus, TUV	cURus, TUV
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	2A (4 Weeks)	2A (4 Weeks)	1 (Unlimited)

Engineering Selection Recommendations

Both substitute parts are functionally equivalent to the 0ZCC0035FF2C across all critical electrical parameters. Selection between them should be based on the following factors:

0ZCG0035FF2C (Bel Fuse Inc.): This part maintains manufacturer continuity with the original component while offering active product status. It includes AEC-Q200 automotive qualification and ROHS3 compliance. The concave package geometry and reduced thickness (0.70mm) may require PCB layout verification for existing designs.

PTS181216V035 (Eaton - Electronics Division): This alternative provides the lowest moisture sensitivity level (MSL 1, unlimited storage) and the thinnest profile (0.68mm). The higher current-max rating (100A versus 40A) provides additional margin in surge conditions. ROHS3 compliance is confirmed.

Both parts carry cURus and TUV certifications, meeting the approval requirements of the original component. Physical dimension differences in thickness and concave geometry require confirmation of PCB footprint compatibility before implementation.

Frequently Asked Questions (FAQ)

Q: Can 0ZCG0035FF2C and PTS181216V035 be used interchangeably with 0ZCC0035FF2C?

A: Yes, both parts meet the electrical parameter requirements (16V, 350 mA hold current, 700 mA trip current, 100 ms trip time, and identical resistance specifications). Mechanical compatibility must be verified due to package geometry differences (concave versus standard) and thickness variations.

Q: What is the significance of the concave package geometry in the substitute parts?

A: The concave package geometry is a physical design variation that does not affect electrical performance. However, it may impact PCB footprint design and solder reflow profiles. Existing PCB layouts designed for the standard 1812 package should be evaluated for compatibility.

Q: Why is the thickness different between the main part and substitutes?

A: The 0ZCC0035FF2C has a maximum thickness of 0.90mm, while substitutes measure 0.70mm and 0.68mm respectively. These variations reflect manufacturing improvements in the polymeric PTC technology. Designs with height constraints may benefit from the thinner substitutes, but PCB clearance must be verified.

Q: What does MSL rating mean for these parts?

A: Moisture Sensitivity Level (MSL) indicates storage requirements before soldering. The 0ZCC0035FF2C and 0ZCG0035FF2C require MSL 2A handling (4-week shelf life after opening). The PTS181216V035 has MSL 1 (unlimited storage), eliminating moisture-related handling constraints.

Q: Are there compliance differences between the three parts?

A: The 0ZCG0035FF2C includes AEC-Q200 automotive qualification, which the other parts do not specify. Both substitutes are ROHS3 compliant, while the original part does not specify RoHS status. All three carry cURus and TUV certifications.

Q: Which substitute should be selected for new designs?

A: Selection depends on application requirements. For automotive applications, 0ZCG0035FF2C is preferred due to AEC-Q200 qualification. For applications with height constraints or unlimited storage requirements, PTS181216V035 offers advantages. Both are functionally equivalent for standard industrial applications.

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