15mm Carbon Potentiometer Amphenol ST15NV15-103A2020-E-PM-S with IP54 Protection and Custom Shaft Designs

Product Overview

The Piher ST-15 is a 15-mm carbon endless rotation through-hole potentiometer designed for 360 rotary control. It offers highly configurable mechanical and electrical specifications, including a wide variety of mounting methods, custom ohmic values, tight linearity performance, different rotor designs, shafts, knobs, and built-in stop positions. This cost-effective control potentiometer is suitable for applications such as appliance program selection, thermostat adjustment, HVAC control, consumer electronics, power tool controls, and automotive controls. Key features include 360 mechanical rotation, up to 340 electrical rotation, up to 51 mechanical detents, and up to 200,000 life cycles, with IP54 protection.

Product Attributes

• Brand: Piher
• Product Series: ST-15
• Material: Flame-retardant plastic materials (housing, rotor, shaft)
• Protection: IP54
• Certifications: ISO 14001
• Origin: Spain

Technical Specifications

Specification	Details
Mechanical Rotation Angle	Endless (360)
Electrical Rotation Angle	Up to 340 (e.g., 333 15)
Mechanical Detents	Up to 51
Life Cycles	Up to 200,000 (Standard: 1,000 cycles)
Taper	Linear
Range of Values (Rn)	1K Rn 100K (Decad. 1.0 - 2.0 - 2.2 - 2.5 - 4.7 - 5.0)
Tolerance	30% (Others on request)
Max. Voltage	50 VDC
Nominal Power	0.25 W @ 50C (122F)
Residual Resistance	5% Rn
Equivalent Noise Resistance	3% Rn
Operating Temperature	-25C to +70C (-13F to +158F) (Up to 85C depending on application)
Torque	Standard: 0.5 to 2.5 Ncm; Low: 1.5 Ncm
Environmental Testing (Typical Results)	Electrical Life (1.000h @ 50C, 0.15W): 5% Mechanical Life (1000 cycles @ 10-15 cpm): 3% Temperature Coefficient (Rn Thermal Cycling (16h @ 85C, 2h @ -25C): 2.5% Damp Heat (500h @ 40C, 95% RH): 5% Vibration (2h each plane @ 10Hz-55Hz): 2% Storage (6 month @ 23C, 50% RH): 2.5%
Mounting Methods	Through-hole (e.g., V02, V15, V21, V23, H01, H02, H05, H10)
SMD Mounting	Available (STS-15 series)
Panel Mount Version	Available (STM-15 series)
Packaging	Bulk (400 units/box without shaft; 200 units/box with thumbwheel)