3250 Trimpot® Trimming Potentiometers

Bourns 3250 Series 1/2" Square Trimpot® Trimming Potentiometers feature 25 turns in a 1/2" square body size with through-hole or panel-mount options. These wirewound devices are RoHS compliant and listed on the QPL for style RT22 per MIL-R-27208 and RTR22 per high-rel MIL-R-39015. Other features include a 10Ω to 50KΩ standard resistance range with ±5% tolerance, 1W power rating at +85°C, and ±50ppm/°C temperature coefficient. Bourns 3250 Series 1/2" Square Trimpot Trimming Potentiometers operate in a -65°C to +150°C temperature range.

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Qty. RoHS ECAD Model Series
Termination Style
Product
Number of Turns
Resistance
Adjustment
Power Rating
Tolerance
Temperature Coefficient
Orientation
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Packaging
Bourns Trimmer Resistors - Through Hole 2Kohms 5% Sealed Panel Mount
Datasheet
5In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 2 kOhms Top Cross 1 W 5 % Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 25Kohms 5% Square Sealed
Datasheet
7In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 25 kOhms Top Cross 1 W 5 % Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 50Kohms 5% Square Sealed
Datasheet
5In Stock
50Expected 11/02/2027
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 50 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 100 OHMS 5% Square Sealed
Datasheet
10In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 100 Ohms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 200 OHMS 5% Square Sealed
Datasheet
34In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 200 Ohms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 10Kohms 5% Square Sealed
Datasheet
86In Stock
175On Order
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 10 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 2Kohms 5% Square Sealed
Datasheet
9In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 2 kOhms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 5Kohms 5% Square Sealed
Datasheet
20In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 5 kOhms Side Slot 1 W 5 % 50 PPM / C Horizontal Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 10 OHMS 5% Square Sealed
Datasheet
15In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 10 Ohms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 100 OHMS 5% Square Sealed
Datasheet
17In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 100 Ohms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 1Kohms 5% Square Sealed
Datasheet
38In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 1 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 20 OHMS 5% Square Sealed
Datasheet
28In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 20 Ohms Top Cross 1 W 5 % Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 2Kohms 5% Square Sealed
Datasheet
1In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 2 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 20Kohms 5% Square Sealed
Datasheet
23In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 20 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 5Kohms 5% Square Sealed
Datasheet
15In Stock
100On Order
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 5 kOhms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 10Kohms 5% Square Sealed
Datasheet
12In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 10 kOhms Side Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 2Kohms 5% Square Sealed
Datasheet
36In Stock
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 2 kOhms Side Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 50Kohms 5% Sq Sealed Wire Leads
Datasheet
25In Stock
Min.: 1
Mult.: 1

3250 Wire Lead Multiturn 25 Turn 50 kOhms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C Panel Mount Bulk
Bourns Trimmer Resistors - Through Hole 5Kohms 5% Sq Sealed Wire Leads
Datasheet
100Expected 11/09/2026
Min.: 1
Mult.: 1

3250 Wire Lead Multiturn 25 Turn 5 kOhms Side Slot 1 W 5 % 50 PPM / C Horizontal Adjustment - 65 C + 150 C Panel Mount Bulk
Bourns Trimmer Resistors - Through Hole 500 OHMS 5% Square Sealed
Datasheet
90On Order
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 500 Ohms Top Cross 1 W 5 % 50 PPM / C Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 10 OHMS 5% Square Sealed
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 1
Mult.: 1

3250 PC Pin Multiturn 25 Turn 10 Ohms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 1Kohms 5% Sealed Panel Mount
Datasheet
Non-Stocked Lead-Time 26 Weeks
Min.: 25
Mult.: 25

3250 PC Pin Multiturn 25 Turn 1 kOhms Top Cross 1 W 5 % Vertical Adjustment - 65 C + 150 C PCB Mount Tube
Bourns Trimmer Resistors - Through Hole 10 OHMS 5% Sq Sealed Wire Leads
Datasheet
Non-Stocked
Min.: 25
Mult.: 25

3250 Wire Lead Multiturn 25 Turn 10 Ohms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C Panel Mount Bulk
Bourns Trimmer Resistors - Through Hole 10 OHMS 5% Wire Lead Sealed Panel Mount
Datasheet
Non-Stocked
Min.: 25
Mult.: 25

3250 Wire Lead Multiturn 25 Turn 10 Ohms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C Panel Mount Bulk
Bourns Trimmer Resistors - Through Hole 100 OHMS 5% Sq Sealed Wire Leads
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 25
Mult.: 25

3250 Wire Lead Multiturn 25 Turn 100 Ohms Side Slot 1 W 5 % Horizontal Adjustment - 65 C + 150 C Panel Mount Bulk