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Littelfuse TO103J2K Thermistor Probe Assembly

The TO103J2K thermistor probe assembly from Littelfuse is designed for precise surface temperature sensing across a temperature range of -85°C to +150°C. Made with a molded plastic case and lead wires, it features a resistance of 10,000 ohms at 25°C, a Beta coefficient of 4.4, and a temperature coefficient of 3892. These probes are suitable for thermal management, HVAC, and industrial temperature measurement applications. Durable, reliable, and accurate, this thermistor assembly ensures efficient temperature monitoring in demanding environments.

Authorized Distributors
Source:Newark
Part No:TO103J2K
Stock:473
Inv Date:05-28-2026
Price: Unit price: $0.686
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Source:DigiKey
Part No:TO103J2K
Stock:18161
Inv Date:05-28-2026
Price: Unit price: $1.56
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Part No:TO103J2K
Stock:1990
Inv Date:05-29-2026
Price: Unit price: $1.38
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Part No:TO103J2K
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.22
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Part No:TO103J2K
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.85
Buy/RFQ:

Littelfuse TO103J2K Thermistor Probe Assembly Specifications:

  • Resistance: 10,000 ohms at 25°C
  • Beta Coefficient (B25/85): 3892
  • Temperature Range: -85°C to +150°C
  • Dimensions: Case length 0.595 inches, width 0.400 inches, lead wires with 0.057 inch and 0.033 inch diameter
  • Lead Wire Length: 0.250 inches
  • Material: Molded plastic case, lead wires
  • Resistance Tolerance: ±1 %
  • Maximum Dimensions in inches: 0.200 x 0.150 x 0.250
  • Application: Surface temperature sensing, thermal management
  • Series: TO-220

Buy the Buy Littelfuse TO103J2K Part Number Online

Order the Littelfuse TO103J2K thermistor probe assembly online now for accurate surface temperature sensing in industrial and HVAC applications. This reliable sensor features a resistance of 10,000 ohms at 25°C, a Beta coefficient of 3892, and a temperature range from -85°C to +150°C. Designed with a durable molded plastic case and lead wires, it ensures precise thermal monitoring, high accuracy, and longevity in demanding environments. Perfect for industrial thermal management, HVAC systems, and temperature monitoring solutions.

Get Littelfuse TO103J2K today—crafted for precise surface temperature measurement and long-lasting durability.

Frequently Asked Questions

Where can I buy Littelfuse TO103J2K?

You can click on the BUY or RFQ button to purchase TO103J2K from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part TO103J2K?

You can download the TO103J2K datasheet or visit the Littelfuse website for support.

Who is the manufacturer of TO103J2K?

Littelfuse

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