Thumbwheel Potentiometers

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200 Ohms500 Ohms1 kOhms2 kOhms5 kOhms10 kOhms20 kOhms25 kOhms50 kOhms100 kOhms1 MOhms

Adjustment Type

Side AdjustmentTop Adjustment

Size / Dimension

Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)Round - 0.375" Dia x 0.250" H (9.53mm x 6.35mm)

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Resistance	Power (Watts)	Tolerance	Number of Turns	Adjustment Type	Size / Dimension	Termination	Mounting Type

91AR1KLF THUMBWHEEL POT 1K OHM 0.5W TOP TT Electronics/BI	2,753 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	1 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR10KLF THUMBWHEEL POT 10K OHM 0.5W TOP TT Electronics/BI	2,340 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	10 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR25KLF THUMBWHEEL POT 25K OHM 0.5W TOP TT Electronics/BI	1,116 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	25 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR1MEGLF THUMBWHEEL POT 1M OHM 0.5W TOP TT Electronics/BI	1,187 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	1 MOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR2KLF THUMBWHEEL POT 2K OHM 0.5W TOP TT Electronics/BI	1,167 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	2 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR50KLF THUMBWHEEL POT 50K OHM 0.5W TOP TT Electronics/BI	800 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	50 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR100KLF THUMBWHEEL POT 100K OHM 0.5W TOP TT Electronics/BI	767 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	100 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR5KLF THUMBWHEEL POT 5K OHM 0.5W TOP TT Electronics/BI	621 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	5 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR200LF THUMBWHEEL POT 200 OHM 0.5W TOP TT Electronics/BI	166 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	200 Ohms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91WR10KLF THUMBWHEEL POT 10K OHM 0.5W SIDE TT Electronics/BI	719 In Stock	1 : $3.87000 Bulk	91	Bulk	Active	10 kOhms	0.5W, 1/2W	±20%	1	Side Adjustment	Round - 0.375" Dia x 0.250" H (9.53mm x 6.35mm)	PC Pins	Through Hole
91AR500LF THUMBWHEEL POT 500 OHM 0.5W TOP TT Electronics/BI	930 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	500 Ohms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole
91AR20KLF THUMBWHEEL POT 20K OHM 0.5W TOP TT Electronics/BI	155 In Stock	1 : $3.18000 Bulk	91	Bulk	Active	20 kOhms	0.5W, 1/2W	±20%	1	Top Adjustment	Round - 0.375" Dia x 0.200" H (9.53mm x 5.08mm)	PC Pins	Through Hole

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Thumbwheel Potentiometers

Thumbwheel potentiometers allow for manual adjustment of an in-circuit resistance value. Also known as thumbwheel trim pots, they are available in side or top adjustment and include a tactile edge on the actuator for human interaction and position indication. They range in value from 10Ω to 5MΩ of resistance and 5% to 30% of value tolerance in surface and through hole mounting configurations.