The SR4E121JT is a resistor manufactured by TE Connectivity. It is a surface mount resistor, designed for automated assembly on printed circuit boards. TE Connectivity is a globally recognized provider of connectivity and sensor solutions, and their resistors are widely used in various electronic applications.

Applications

• Voltage Dividers: Creates specific voltage levels in circuits.
• Current Limiting: Protects sensitive components from excessive current.
• Feedback Circuits: Used in amplifier circuits to control gain and stability.
• Pull-up/Pull-down Resistors: Defines logic states for digital inputs.

Features

• Surface Mount Technology (SMT): Enables efficient and automated assembly.
• High Stability: Provides consistent resistance values under varying operating conditions.
• Compact Size: Allows for use in densely populated circuit boards.
• RoHS Compliant: Complies with environmental regulations.

Benefits

• Precise Resistance Value: Ensures accurate circuit operation.
• Reliable Performance: Offers stable and consistent performance over time.
• Cost-Effective: Provides a cost-efficient solution for resistance requirements.
• Easy Integration: Simplifies assembly and reduces manufacturing costs.

Additional Details

Based on the part number, 'SR4E' likely denotes the series, '121' indicates the resistance value (121 = 12 x 10^1 Ohms = 120 Ohms), and 'JT' probably defines the tolerance and temperature coefficient. To obtain precise specifications, such as power rating, tolerance, and temperature coefficient, the specific datasheet for the SR4E121JT from TE Connectivity should be consulted.

This resistor is commonly utilized in consumer electronics, industrial automation, and telecommunications equipment. Its small size and dependable performance make it a suitable component in various electronic designs where a 120 Ohm resistor is needed.