SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
SETsafe | SETfuse
Thermally Protected Resistor (TPR)
  • Thermally Protected Resistor (TPR)
  • TPR3 series×
TPR3 series

Power Type (P): 3 W

Rated Resistance (R): 0.27 ~ 800 Ω

Resistance Tolerance: 5%

Rated Functioning Temp. (Tf): 115 / 125 / 130 / 135 / 145 / 150 / 221 °C


TPR TPR3_SETsafe & SETfuse.pdf

Datasheet (PDF Document) Include: Specifications, Agency Approvals, Packaging, Structure Diagrams, Glossary, Part Numbering System, Installation, Usage, Replace, Storage and other information.


Xiamen SET Electronics Co., Ltd.


● (20.5 × 11.5 × 7.0) mm

● Over Temp. Protection

● Small Fault Current Protection

● Short Circuit Protection

● Inrush Current Protection

● RoHS Compliant

Mounting Style

Through Hole


● Switch Mode Power Supplies (SMPS)

● Adapters

● Home Appliances and Office Appliances

    (TV, Washer, Fridge, Printer, etc.)

Technology Applications Markets Applications

Quality Assurance

TPR Quality Assurance

For product quality, our goal is to be industry-leading. We ensure that the quality of the product meets the expected goals from the following process.

Quality Policy.

Qualified Supplier of Raw Materials.

Incoming Quality Control (IQC):

Acceptance Quality Limit (AQL), Dimension, Function, Visual Inspection, RoHS & REACH Test. etc..


Online Inspection and Function Test 100%, etc..

In Process Quality Cortrol (IPQC): AQL, Dimension, Function, Visual Inspection, etc..

Final Quality Control (FQC):

AQL, Dimension, Function, Visual Inspection, RoHS & REACH Test, etc..

Reliability Test:

AQL Sampling Test.

Outgoing Quality Control (OQC):

Packaging, Labeling, Quantity Inspection, etc..

Agency Information:

Safety Certificate Agency Annual, Quarterly Audits. Include UL, cUL, VDE, TUV, KC, PSE, CCC. etc..

Quality Management System:

TUV Approved and Issued Certificate.


SETsafe | SETfuse

Brand Story.png


Thermally Protected Resistor (TPR) is an unique type of Power Resistor, with Over Temp. and Over Current Protections. Thermally Protected Resistor (TPR) is a type of power resistor, where Alloy Thermal-Link (ATCO) and Fusible Wirewound Resistor (RXF) are in series encapsulated in a ceramic case with silicone cement.


SETsafe | SETfuse TPR has the same physical size as ordinary ceramic resistor while additionally providing fault current protection. TPR can also effectively protect against the damages to devices & equipment, caused by continuous heat dissipations by ceramic resistors due to fault currents.


TPR-3 series