cermet trimming potentiometer TT Electronics 44WR10KLFT7 with J hook and gull wing termination styles

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Product Description

Model 44 Cermet Trimming Potentiometer

The Model 44 is a space-saving SMD cermet trimming potentiometer designed for applications requiring adjustability or calibration. Its sealed construction withstands aggressive water wash, and its long-life, set-and-forget design ensures BI quality and reliability. Available in top and side adjustment versions with J-Hook or gull wing termination, it is suitable for medical and consumer electronics applications.

Product Attributes

Brand: TT electronics | BI Technologies
Material: Cermet

Technical Specifications

Specification	Value
Standard Resistance Range	10 Ohms to 2 Megohms
Standard Resistance Tolerance	±10% (<100 Ohms = ±20%)
Input Voltage	300 Vdc max. or rms not to exceed power rating
Slider Current	100 mA max. or within rated power, whichever is less
Power Rating	0.25 Watts at 85°C derating to 0 at 150°C
End Resistance	1% or 2 Ohms max., whichever is greater
Actual Electrical Travel	9 turns nominal
Dielectric Strength	600 Vrms
Insulation Resistance	1,000 Megohms minimum
Resolution	Essentially infinite
Contact Resistance Variation	1% or 3 Ohm max., whichever is greater
Seal	85°C Fluorinert® (No Leaks)
Temperature Coefficient	±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operating Temperature Range	-65°C to +150°C
Thermal Shock	Five cycles –65°C to +150°C (2% ΔRT, 1% ΔVR)
Moisture Resistance	Ten 24 hour cycles (2% ΔRT, IR 10 Megohms min.)
Shock	6 ms saw-tooth, 100 G’s (1% ΔRT, 1% ΔVR)
Vibration	20 G’s, 10 to 2,000 Hz (1% ΔRT, 1% ΔVR)
Rotational Life	200 cycles (3% ΔRT, 1% CRV)
Load Life	1,000 hours at 85°C & 0.25 Watts (2% ΔRT, 1% CRV)
Resistance to Solder Heat	260°C for 10 sec. (1% ΔRT)
Temperature Exposure	215°C for 3 min. maximum (1% ΔRT)
Solderability	Per MIL-STD-202, method 208
Mechanical Stops	Clutch action, both ends
Torque, starting	3 oz.-in. max. (0.021 N-m)
Weight	0.01 oz. nominal (0.3 grams)
Packaging	Embossed Tape & Reel (13” Reel: 1000 units; 7” Reel: 500/250 units) or Anti-static tubes (100 units)
Standard Resistance Values	10, 20, 50, 100, 200, 500, 1K, 2K, 5K, 10K, 20K, 25K, 50K, 100K, 200K, 250K, 500K, 1Meg, 2Meg