Littelfuse offers ring lug probe assemblies for temperature sensing applications. The document provides dimensions and specifications for product number USW2299, an RTD probe with a 1000 ohm resistance at 0°C, 0.12% tolerance, B class, 3850 ppm/°C TCR, and maximum operating temperature of 105°C. Contact Littelfuse for assistance if the provided dimensions and specifications do not meet requirements.

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© 2018 Littelfuse, Inc. Revised: February 2, 2018
Specifications are subject to change without notice.
Description
Littelfuse offers Ring Lug probe assemblies suitable for a wide
range of temperature sensing applications. If the dimensions and
electrical characteristics on this product won’t work for your
requirements, please contact us for further assistance.
Dimensions
Dimensions shown in inches.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at:
www.littelfuse.com/disclaimer-electronics
USW2299 RTD Probe
Surface Temperature Sensing
RTD Probes and Assemblies
Features
• High Accuracy
• #8 Mounting Hole
• Teflon Insulated
Lead Wire
• 105ºC Max Operating
Temperature
0.250"
± 0.070”
P/N: USW2299
0.350”
± 0.150”
60.0”
± 3.0”
0.720"
MAX
0.312”
± 0.015”
A B C D E
0.210”
± 0.020”
F
A B C
0.250”
± 0.070”
60.0”
± 3.0”
0.312”
± 0.015”
D E F
0.720”
Max
0.350”
± 0.150”
0.210”
± 0.020”
Specifications
Part
Number
Resistance Ohms
@0°C
Resistance Tol. ±
% @ 0°C
DIN 43760
Class
TCR
ppm/°C
Temperature
Rating °C
USW2299 1000 0.12 B 3850 105
Part Numbering System
Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details.
USW 2299
RTD Probe
No Significance