HVR250P080CFF Equivalent & Substitute Parts

Part Overview

The Littelfuse HVR250P080CFF is a polymeric PTC resettable fuse rated at 60V with an 80 mA hold current, designed for through-hole radial mounting in disc configuration. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a temperature range of -40°C to 85°C and meets ROHS3 compliance with cURus and TUV approvals.

Key Parameters

Parameter	Value
Voltage - Max	60V (250V Int)
Current - Hold (Ih) (Max)	80 mA
Current - Trip (It)	160 mA
Current - Max	3 A
Resistance - Initial (Ri) (Min)	14 Ohms
Resistance - Post Trip (R1) (Max)	33 Ohms
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	Radial, Disc
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the HVR250P080CFF are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Voltage rating: 60V maximum
Current hold (Ih): 80 mA nominal
Mounting configuration: Through hole radial disc
Package compatibility: Physical dimensions and lead spacing
Compliance: ROHS3 and regulatory approvals

Parts are classified into two categories: direct Littelfuse substitutes (250R080ZR, TRF250-080T) and cross-manufacturer alternatives from Bel Fuse Inc. (0ZRF0008FF1E, 0ZRF0008FF2B). All listed substitutes maintain the core electrical parameters of 60V voltage rating and 80 mA hold current, ensuring functional equivalence in circuit applications.

Parameter Comparison

Parameter	HVR250P080CFF	250R080ZR	TRF250-080T	0ZRF0008FF1E	0ZRF0008FF2B
Manufacturer	Littelfuse Inc.	Littelfuse	Littelfuse Inc.	Bel Fuse Inc.	Bel Fuse Inc.
Product Status	Obsolete	Active	Active	Active	Active
Voltage - Max	60V (250V Int)	60V (250V Int)	60V (250V Int)	60V	60V
Current - Hold (Ih) (Max)	80 mA	80 mA	80 mA	80 mA	80 mA
Current - Trip (It)	160 mA	160 mA	160 mA	240 mA	240 mA
Resistance - Initial (Ri) (Min)	14 Ohms	14 Ohms	15 Ohms	14 Ohms	14 Ohms
Resistance - Post Trip (R1) (Max)	33 Ohms	33 Ohms	33 Ohms	33 Ohms	33 Ohms
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Disc	Radial, Disc	Radial, Disc	Radial, Disc	Radial, Disc
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Approval Agency	cURus, TUV	cURus, TUV	CSA, TUV, UL	cURus, TUV	cURus, TUV

Engineering Selection Recommendations

For applications requiring the HVR250P080CFF, the following substitutes are available based on product status and regulatory compliance:

Primary Substitutes (Littelfuse):

250R080ZR: Active status with identical electrical specifications. Suitable for direct replacement with Cut Tape packaging option.
TRF250-080T: Active status with expanded regulatory approvals (CSA, TUV, UL). Recommended for applications requiring enhanced certification coverage. Bag packaging available.

Cross-Manufacturer Alternatives (Bel Fuse Inc.):

0ZRF0008FF1E and 0ZRF0008FF2B: Both active status with 80 mA hold current and 60V rating. Current trip specification differs at 240 mA versus 160 mA. Available in Box and Cut Tape packaging respectively. Suitable where cross-manufacturer sourcing is acceptable.

All substitutes maintain ROHS3 compliance and operate within the specified temperature range. Selection should prioritize active-status parts to ensure long-term availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can 250R080ZR directly replace HVR250P080CFF? A: Yes. The 250R080ZR maintains identical voltage (60V), hold current (80 mA), trip current (160 mA), and resistance specifications. Both are Littelfuse products with ROHS3 compliance and equivalent thermal operating range.

Q: What is the difference between TRF250-080T and 250R080ZR? A: Both parts share identical electrical specifications. TRF250-080T offers expanded regulatory approvals (CSA, TUV, UL versus cURus, TUV) and is supplied in Bag packaging rather than Cut Tape. Initial resistance is 15 Ohms minimum versus 14 Ohms for 250R080ZR.

Q: Are Bel Fuse 0ZRF parts compatible substitutes? A: The 0ZRF0008FF1E and 0ZRF0008FF2B maintain the 80 mA hold current and 60V rating. However, the trip current specification is 240 mA versus 160 mA for the original part. This difference affects circuit protection response time and should be evaluated for the specific application.

Q: What packaging options are available? A: Littelfuse 250R080ZR is supplied in Cut Tape. TRF250-080T is supplied in Bag. Bel Fuse 0ZRF0008FF1E is supplied in Box, and 0ZRF0008FF2B is supplied in Cut Tape. Selection depends on production assembly requirements and inventory management.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitutes meet ROHS3 compliance requirements and operate across the -40°C to 85°C temperature range specified for the original HVR250P080CFF.

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