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Trimpot® 3224 - Sealed– 1/4 ˝ Square Trimpot® Trimming Potentiometer

The 3224W series 4mm square cermet SMD Trimpot® Trimming Potentiometer offers pick and place cantering design with flush adjustment.

It is sealed to withstand board wash processing and can be adjustable by H-91 tool.

Top adjust style
Wiper idles mechanical stop
Essentially infinite resolution
Halogen-free (date code 114)
1% Low CRV
100MR at 500VDC Minimum insulation resistance

Specification :

Features:

Surface Mount 4 mm Square / Multiturn Cermet / Industrial / Sealed
Halogen free** with date code 114
Sealed to withstand board wash processing
Pick and place centering design, with flush adjustment
4mm design meets EIA/EIAJ/IPC/VECI SMD
standard trimmer footprint
Low CRV - 1 %

Electrical Characteristics :

Standard Resistance Range ......... 10 to 2 megohm (see standard resistance table)
Resistance Tolerance ....................±10 % std.
Absolute Min. Resistance.....1 % or 2.0 ohms (whichever is greater)
Contact Resistance Variation ....................................1 % or 3 ohms max.
Resolution ..........................Essentially Infinite
Insulation Resistance ........................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level .......................600 vac (1 minute)
Adjustment Angle ..................... 12 turns nom.

Environmental Characteristics:

Power Rating (300 volts max.)
85 °C.............................................0.25 watt
150 °C................................................0 watt
Temperature Range ............-65 °C to +150 °C
Temperature Coefficient ............±100 ppm/°C
Seal Test.......... 85 °C Fluorinert†/60 seconds
Humidity ................MIL-STD 202 Method 106 TRS ±2 %; IR 10 megohms
Vibration .............. 20 G TRS±1 %; VRS ±1 %
Shock ................ 100 G TRS ±1 %; VRS±1 %
Load Life.... @ 85 °C rated power 1,000 hours
TRS.......3 ohms or 3 % (whichever is greater)
Rotational Cycling ......................... 200 cycles
TRS.......3 ohms or 3 % (whichever is greater)
Thermal Shock .................................. 5 cycles TRS±2 %; VRS±1 %

Physical Characteristics:

Mechanical Stop ...........................Wiper idles
Torque..................................... 180 g-cm max.
Weight ........................Approximately 0.01 oz.
Marking......................... Manufacturer’s code, resistance code and date code
Solderability....................... Per MIL-STD-202, Method 208
Wiper ........................50 % (Actual TR) ±10 %
Flammability .......................................UL94V0
Pushover Strength
J, G ..................................................4.4 lbs.
W, X ......................................................1 lb.
Adjustment Tool...................................... H-91

Packaging Specifications: