PTN15-C50SB20 PTN15-C50SB20 Trimmer Potentiometer

PTN15-C50SB20 is a high-quality trimmer potentiometer manufactured by Same Sky, a reputable name in electronic components. This passive component is designed for precise, adjustable resistance in electronic circuits, making it an essential element for calibration, tuning, and setting specific voltage levels. As a trimmer potentiometer, it is typically used for infrequent adjustments, often during the manufacturing or servicing of a device, rather than for user-facing controls. Its robust design and reliable performance ensure stable operation across a wide range of applications.

Key Specifications

This Same Sky PTN15-C50SB20 trimmer potentiometer boasts several key specifications that define its functionality and suitability for various designs:

• Rotor: Screwdriver – This indicates that the potentiometer is adjusted using a standard screwdriver, providing a secure and precise method for setting resistance values. This is common for internal adjustments where accidental changes are undesirable.
• Taper: Linear – A linear taper means that the resistance changes proportionally to the amount of rotation. For example, if the potentiometer is rotated halfway, the resistance will be approximately half of its maximum value. This is ideal for applications requiring a direct and predictable relationship between adjustment and output.
• Detent: No Detent – The absence of detents means the rotor moves smoothly without discrete click stops. This allows for continuous, fine-grained adjustment, which is crucial for precise calibration tasks.
• Series: PTN15 – This identifies the product series, indicating common design characteristics and performance benchmarks within Same Sky’s potentiometer lineup.
• Bushing: No Bushing – The lack of a bushing implies a more compact design, typically for direct PCB mounting without requiring a panel-mount nut. This simplifies installation and reduces overall component footprint.
• Power (W): 0.15 – This specifies the maximum power the potentiometer can safely dissipate, measured in watts. A rating of 0.15W is suitable for low-power signal conditioning and control circuits, preventing overheating and ensuring longevity.
• Size (mm): 15 – The physical size of the component, 15mm, indicates a relatively compact form factor, making it suitable for space-constrained applications while still allowing for accessible adjustment.
• Orientation: Vertical – This describes how the component is mounted relative to the PCB. A vertical orientation means the adjustment screw is accessible from the top, perpendicular to the board surface, which can be advantageous for certain enclosure designs and accessibility requirements.
• Shaft Style: Shaftless – Being shaftless, this potentiometer is designed for screwdriver adjustment directly on the rotor, further emphasizing its role as an internal, set-and-forget component rather than a user-adjustable control.
• Termination: Straight PC Pins – The use of straight PC pins facilitates easy and secure through-hole mounting onto a printed circuit board, ensuring reliable electrical connections.
• Mounting Type: Through Hole – Through-hole mounting provides strong mechanical stability and excellent thermal dissipation compared to surface-mount alternatives, making it robust for various environmental conditions.
• Rotation (°): 265 – This indicates the total mechanical rotation angle available for adjustment, providing a wide range for precise tuning. A 265-degree rotation offers ample resolution for setting specific resistance values.
• Component Type: Trimmer Potentiometer – This explicitly states the component’s function, distinguishing it from general-purpose potentiometers or rheostats.
• Resistance (kΩ): 50 – The nominal total resistance of the potentiometer is 50 kilohms. This value is critical for determining the range of voltage or current adjustment possible within a circuit.
• Resistance Tolerance (%): 20 – A tolerance of ±20% indicates the permissible variation from the nominal 50kΩ resistance. This is a standard tolerance for many general-purpose trimmer potentiometers, suitable for applications where precise absolute resistance is less critical than the ability to adjust it.
• Operating Temp Range (°C): -10 ~ 70 – This specifies the temperature range within which the potentiometer is designed to operate reliably, from -10°C to 70°C, covering typical industrial and commercial indoor environments.

Features and Benefits

The PTN15-C50SB20 offers several features that translate into significant benefits for designers and engineers:

• Precise Resistance Adjustment: The linear taper and 265-degree rotation allow for fine-tuned resistance settings, crucial for calibration and circuit optimization.
• Robust Through-Hole Mounting: Straight PC pins and through-hole design ensure a strong mechanical and electrical connection to the PCB, enhancing reliability and durability in demanding applications.
• Compact and Space-Saving Design: With a 15mm size and shaftless, no-bushing construction, it fits well into designs where board space is at a premium.
• Screwdriver Adjustable Rotor: Designed for infrequent, secure adjustments, preventing accidental changes once set, making it ideal for internal circuit tuning.
• Wide Operating Temperature Range: Reliable performance from -10°C to 70°C ensures suitability for a broad spectrum of environmental conditions.

Typical Applications

The versatility and precision of the PTN15-C50SB20 make it suitable for a diverse array of electronic applications:

• Voltage Reference Adjustment: In power supplies and voltage regulators, it can be used to precisely trim output voltage levels, ensuring stable and accurate power delivery.
• Sensor Calibration: For analog sensor circuits, the trimmer potentiometer can calibrate the sensor’s output range or offset, compensating for manufacturing variations and environmental factors to achieve accurate readings.
• Audio Equipment Tuning: In audio amplifiers or signal processors, it can be used to set gain stages, balance channels, or adjust frequency response characteristics during the manufacturing or servicing phase.
• Timing Circuit Adjustment: Within RC timing circuits (e.g., in 555 timer applications), the PTN15-C50SB20 can precisely adjust the time constant, allowing for fine-tuning of oscillation frequencies or delay durations.
• LED Brightness Control: In certain low-power LED driver circuits, it can be employed to set the maximum brightness level or current limit for LEDs, especially in applications where specific light output is required.

Summary

The PTN15-C50SB20 from Same Sky is a reliable and precise 50kΩ linear trimmer potentiometer, ideal for a wide range of electronic calibration and tuning applications. Its through-hole mounting, screwdriver adjustment, and compact design make it a versatile component for engineers. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring timely availability for your projects.

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