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HomeProductsSensors, TransducersTemperature Sensors - Thermostats - Mechanical67L118-0184
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67L118-0184 - Sensata-Airpax

Manufacturer Part Number
67L118-0184
Manufacturer
Airpax / Sensata Technologies
Allelco Part Number
98D-67L118-0184
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
32,074 pcs available, New & Original
Parts Description
THERMOSTAT 118DEG C NC TO220-2
Package
TO-220-2
Data sheet
67L118-0184.pdf
RoHs Status
RoHS Compliant
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Our certification
In stock: 32074
  • Unit Price: $29.54
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $29.54 $29.54
200+ $11.79 $2,358.00
500+ $11.39 $5,695.00
1000+ $11.20 $11,200.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

67L118-0184 Tech Specifications
Sensata-Airpax - 67L118-0184 technical specifications, attributes, parameters and parts with similar specifications to Sensata-Airpax - 67L118-0184

Product Attribute Attribute Value
Manufacturer Airpax / Sensata Technologies
Tolerance ±9°F (±5°C)
Termination Style PC Pins
Switching Temperature 244°F (118°C)
Switching Cycles 20K
Series 6700
Reset Temperature -
Product Attribute Attribute Value
Package / Case TO-220-2
Package Tube
Mounting Type Through Hole
Current Rating - DC 0.5A (48V)
Current Rating - AC -
Circuit SPST-NC
Base Product Number 67L118

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8536.50.9065

Frequently Asked Questions(FAQ)

What are the key thermal performance characteristics of the Sensata-Airpax 67L118-0184 thermostat, and how do they influence circuit protection design?
The 67L118-0184 operates with a switching temperature of 244°F (118°C) and exhibits a tolerance of ±9°F (±5°C), meaning the actual activation point may vary between approximately 235°F and 253°F. This tolerance must be accounted for in over-temperature protection schemes where precise trip thresholds are critical. With a reset function not specified, it functions as a one-shot device that requires manual or external intervention to restore operation after tripping. Its SPST-NC configuration means the circuit opens when the temperature reaches the setpoint, providing fail-safe disconnection. For designs requiring automatic reset, this part is unsuitable without additional control circuitry.
How does the 67L118-0184 compare to other temperature-sensing devices in terms of current handling and package compatibility?
Unlike many digital temperature sensors or thermistors that primarily serve as signal-conditioning elements, the 67L118-0184 acts as an electromechanical switch rated at 0.5A DC (48V). This makes it suitable for interrupting power rather than sensing. Compared to solid-state thermal cutoffs with similar ratings, it offers robust contact isolation but lacks repeatable electronic reset. Its TO-220-2 package provides good heat conduction and mechanical stability for through-hole mounting, aligning well with standard PCB layouts in industrial and automotive environments where vibration resistance matters.
Can the 67L118-0184 be used in high-cycle thermal cycling applications, and what limitations should engineers consider?
The component is rated for up to 20,000 switching cycles, which suggests durability under moderate operational demands. However, frequent thermal excursions near its 118°C threshold could accelerate contact wear due to arcing or oxidation, especially if interrupting inductive loads. In contrast, non-contact sensors or solid-state alternatives avoid mechanical fatigue entirely. For applications exceeding several thousand cycles per year, alternative solutions such as thermal fuses or electronic monitoring with relays may offer longer service life and better predictability.
What environmental and regulatory considerations apply when sourcing the Sensata-Airpax 67L118-0184 for global deployment?
The 67L118-0184 is RoHS compliant and carries an MSL rating of 1, indicating no special storage requirements and compatibility with lead-free assembly processes. Its ECCN code is EAR99, implying minimal export restrictions under U.S. regulations. The HTSUS classification (8536.50.9065) aligns with general-purpose electrical switches, simplifying customs documentation in most markets. These attributes make it viable for international supply chains without significant trade compliance overhead.
Why might an engineer choose the 67L118-0184 over a thermistor-based overtemperature protection scheme?
While thermistors provide continuous feedback and can be calibrated precisely, they do not interrupt current flow. The 67L118-0184 directly breaks the circuit upon reaching 118°C, offering inherent safety by isolating fault conditions at the power level. This is essential in applications like motor drives, transformers, or battery packs where sustained overheating poses fire or damage risks. The trade-off is loss of diagnostic capability—there’s no way to detect approaching thermal runaway without additional instrumentation.
What are the implications of the absence of a defined reset temperature on system recovery after the 67L118-0184 trips?
Since no auto-reset mechanism is specified, cooling below the original trip point will not restore conduction. This necessitates manual intervention or integration with a supervisory circuit that monitors both temperature and system state before re-enabling power. In safety-critical systems, this behavior aligns with fail-safe principles—once triggered, the condition persists until verified resolved. Engineers must design user interfaces or automated checks to prevent unintended restarts during residual heating or ambient shifts.
How does the ±9°F tolerance affect reliability margins in thermal management designs using the 67L118-0184?
A tolerance of ±9°F introduces uncertainty into the effective protection window. If the nominal trip is 118°C, the actual threshold could be as high as 123°C—potentially allowing components to exceed their maximum operating temperatures. Therefore, system-level thermal analysis should assume worst-case conditions, ensuring heat sinks, airflow, or derating factors compensate accordingly. Pairing this thermostat with a lower-rated fuse or current-limiting circuit adds redundancy without increasing component count significantly.
Is the 67L118-0184 suitable for use in sealed enclosures where convection cooling is limited?
Yes, provided the enclosure remains within safe thermal limits. The TO-220-2 package has exposed leads and base contact for direct attachment to heatsinks, enabling efficient conductive cooling even in restricted spaces. However, ambient temperature rise inside the enclosure must be factored into total thermal budgeting. If internal temperatures routinely approach 110°C, the margin to the 118°C setpoint narrows, increasing the risk of nuisance trips or insufficient warning time before activation.

Parts with Similar Specifications

The three parts on the right have similar specifications to Sensata-Airpax 67L118-0184

Product Attribute 67L115-0134 67L115-0349 67L120-0144 67L115-0286
Part Number 67L115-0134 67L115-0349 67L120-0144 67L115-0286
Manufacturer Sensata-Airpax Sensata-Airpax Sensata-Airpax Sensata-Airpax
Reset Temperature - - - -
Switching Temperature - - - -
Series - - - -
Tolerance - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Current Rating - DC - - - -
Circuit - - - -
Switching Cycles - - - -
Termination Style - - - -
Current Rating - AC - - - -

67L118-0184 Datasheet PDF

Download 67L118-0184 pdf datasheets and Sensata-Airpax documentation for 67L118-0184 - Sensata-Airpax.

Datasheets
Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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  • ISO 9001: 2015
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67L118-0184 Image

67L118-0184

Sensata-Airpax
98D-67L118-0184

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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