THS25680RJ Equivalent & Substitute Parts

Part Overview

The THS25680RJ is a 680 Ohms ±5% 25W wirewound chassis mount resistor manufactured by TE Connectivity Passive Product. This component is designed for high-power applications requiring stable resistance values across extended operating temperature ranges. The part is currently Active in product status with 1082 pieces available in new original inventory. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without performance degradation.

Key Parameters

Parameter	Value
Resistance	680 Ohms
Tolerance	±5%
Power Rating	25W
Composition	Wirewound
Temperature Coefficient	±30ppm/°C
Operating Temperature Range	-55°C ~ 200°C
Coating/Housing Type	Aluminum
Mounting Feature	Flanges
Dimensions (L x W)	1.142" x 1.102" (29.00mm x 28.00mm)
Height - Seated (Max)	0.591" (15.00mm)
Lead Style	Solder Lugs
Package Type	Axial, Box
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the THS25680RJ is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value of 680 Ohms, tolerance of ±5%, power rating of 25W, wirewound composition, and temperature coefficient of ±30ppm/°C must be identical.

Thermal Performance: Operating temperature range of -55°C ~ 200°C must be maintained.

Mechanical Compatibility: Aluminum housing with flange mounting feature, solder lug lead style, and physical dimensions of 1.142" L x 1.102" W x 0.591" H (seated maximum) must match exactly.

Compliance & Certification: RoHS3 compliance status must be equivalent or superior.

Packaging: Tray packaging in Axial, Box configuration must be consistent.

The HSA25680RJ meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Parameter	THS25680RJ	HSA25680RJ	Match Status
Manufacturer	TE Connectivity Passive Product	TE Connectivity Passive Product	Identical
Resistance	680 Ohms	680 Ohms	Identical
Tolerance	±5%	±5%	Identical
Power Rating	25W	25W	Identical
Composition	Wirewound	Wirewound	Identical
Temperature Coefficient	±30ppm/°C	±30ppm/°C	Identical
Operating Temperature	-55°C ~ 200°C	-55°C ~ 200°C	Identical
Housing Type	Aluminum	Aluminum	Identical
Mounting Feature	Flanges	Flanges	Identical
Dimensions (L x W)	1.142" x 1.102" (29.00mm x 28.00mm)	1.142" x 1.102" (29.00mm x 28.00mm)	Identical
Height - Seated (Max)	0.591" (15.00mm)	0.591" (15.00mm)	Identical
Lead Style	Solder Lugs	Solder Lugs	Identical
Package Type	Axial, Box	Axial, Box	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both THS25680RJ and HSA25680RJ are Active products manufactured by TE Connectivity Passive Product with full ROHS3 compliance. Selection between these components is based on inventory availability and supply chain considerations rather than electrical or mechanical performance differences.

The THS25680RJ is available with 1082 pieces in new original inventory. The HSA25680RJ is available with 1338 pieces in new original inventory. Both components satisfy identical electrical, thermal, and mechanical requirements for 680 Ohms ±5% 25W wirewound chassis mount resistor applications.

For applications requiring immediate component availability, the HSA25680RJ offers higher inventory levels. For applications with existing design documentation referencing the THS25680RJ series designation, the original part number maintains design continuity.

Frequently Asked Questions (FAQ)

Q: Can HSA25680RJ be used as a direct replacement for THS25680RJ?

A: Yes. The HSA25680RJ is a parametric equivalent with identical electrical specifications (680 Ohms ±5%, 25W), thermal characteristics (-55°C ~ 200°C operating range, ±30ppm/°C temperature coefficient), mechanical dimensions (1.142" x 1.102" x 0.591" H), mounting configuration (flange-mounted with solder lugs), and compliance certifications (ROHS3). No circuit modifications are required.

Q: Are there dimensional differences between THS25680RJ and HSA25680RJ?

A: No. Both components share identical physical dimensions of 1.142" L x 1.102" W (29.00mm x 28.00mm) with a maximum seated height of 0.591" (15.00mm). Both use aluminum housing with flange mounting and solder lug leads.

Q: What is the difference between the THS and HS series designations?

A: The series designation (THS versus HS) reflects different product lines within TE Connectivity Passive Product's wirewound resistor portfolio. Both series share the CGS product family classification and deliver identical performance for the 680 Ohm 25W specification.

Q: Are both parts RoHS compliant?

A: Yes. Both THS25680RJ and HSA25680RJ are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

Q: What packaging format is used for these components?

A: Both components are supplied in Tray packaging with Axial, Box case configuration, suitable for automated assembly and manual placement applications.

Q: Can these resistors be used in high-temperature applications?

A: Yes. Both components operate across the -55°C ~ 200°C temperature range with a temperature coefficient of ±30ppm/°C, enabling stable performance in thermal environments up to 200°C continuous operation.

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