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Sensata - Airpax 66L090 Thermostat

The 6600 series by Airpax is a RoHS-compliant, compact bimetallic thermostat designed for precise sensing and switching in various applications. It features a durable 8-pin DIP package, suitable for PCB mounting, with fast response times and high cycle durability—up to 100,000 cycles at low-level switching. The device offers reliable operation with resistive contact ratings up to 1 A, a broad operating temperature range of 40°C to 130°C, and robust construction sealed against wave soldering and moisture. Ideal for computer peripherals, automotive, aerospace, and industrial control systems where space-saving and reliable temperature detection are critical.

Authorized Distributors
Source:Newark
Part No:66L090
Stock:473
Inv Date:06-01-2026
Price: Unit price: $10.61
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Source:DigiKey
Part No:66L090
Stock:85
Inv Date:06-01-2026
Price: Unit price: $11.81
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Part No:66L090
Stock:104
Inv Date:06-02-2026
Price: Unit price: $11.81
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Part No:66L090
Stock:0
Inv Date:06-01-2026
Price: Unit price: $12.44
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Part No:66L090
Stock:607
Inv Date:06-01-2026
Price: Unit price: $11.62
Buy/RFQ:
Part No:66L090
Stock:607
Inv Date:06-01-2026
Price: Unit price: $11.62
Buy/RFQ:

Sensata - Airpax 66L090 Thermostat Specifications:

  • Contact Resistance: 50 milliohms max (before and after rated life)
  • Contact Ratings: 25,000 cycles at 48 VDC 1.0 A, 30,000 cycles at 120 VAC 1.0 A, 100,000 cycles at 5 VDC 0.001 A (gold contact)
  • Operation: Close on rise or open on rise
  • Operating Temperature: 40°C to 130°C (104°F to 266°F)
  • Temperature Tolerance: ±5°C (+9°F)
  • Dielectric Strength: 1480 VAC 60Hz for 1 second
  • Insulation Resistance: 100 Mohms at 500 VDC
  • Contact Bounce: Max 3 milliseconds
  • Vibration: Tested per Mil-Std-202, method 204D
  • Shock: 100 G's for 6 ms (per Mil-Std-202, method 213)
  • Seal: High-temp epoxy, moisture proof, water submersion resistant
  • Base Material: PPS (Polyphenylene Sulfide), 94 VO rated
  • Terminal Material: Copper with nickel plating
  • Contact Material: Gold-plated or overlay, silver crossbar
  • Chemical Resistance: Water, salt, alcohol, ammonia, solvents resistant
  • Soldering Resistance: Per Mil-Std-202F, method 210A
  • Weight: Approximately 0.45 grams
  • Mechanical Life: 1,000,000 operations
  • Agency Approvals: UL, VDE, RoHS compliant

Buy the Airpax 66L090 – Reliable Temperature Sensor for Industrial Applications

Order the Airpax 6600 series thermostat online today to ensure reliable temperature sensing and switching in your industrial or electronic applications. Its compact 8-pin DIP form factor with sealed construction makes it ideal for PCB mounting, electronics, automotive, aerospace, and control systems. Designed for high cycle life—up to 100,000 cycles—this RoHS-compliant thermostat delivers consistent performance in demanding environments. Whether you need precise temperature control or reliable switching at 1 A capacity, this thermostat provides excellent durability, quick response, and versatility for your projects.

Get Airpax 66L090 today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy Sensata - Airpax 66L090?

You can click on the BUY or RFQ button to purchase 66L090 from an authorized Sensata - Airpax distributor.

How do I troubleshoot issues or seek technical support for part 66L090?

You can download the 66L090 datasheet or visit the Sensata - Airpax website for support.

Who is the manufacturer of 66L090?

Sensata - Airpax

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