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Description

The TDA7388 is an AB class audio power amplifier, packaged in Flexiwatt 25 and designed for high end car radio applications. Based on a fully complementary PNP/NPN configuration, the TDA7388 allows a rail to rail output voltage swing with no need of bootstrap capacitors. The extremely reduced boundary components count allows very compact sets.

An AB class audio power amplifier refers to a specific type of audio power amplifier that combines the features of Class A and Class B amplifier operation. It is designed to provide a balance between audio quality and power efficiency.

AB class audio power amplifiers are commonly used in various audio applications, including home audio systems, professional audio equipment, amplifiers for musical instruments, and sound reinforcement systems. They strike a balance between audio fidelity and power efficiency, making them a popular choice in many audio applications.

Features:

1. High output power capability:
– 4 x 45 W / 4  max.
– 4 x 26 W / 4  @ 14.4 V, 1 kHz, 10 %
2. Low distortion
3. Low output noise
4. Standby function
5. Mute function
6. Automute at min. supply voltage detection

[…]

Protections:

1. Output short circuit to gnd, to VS, across the load
2. Very inductive loads
3. Overrating chip temperature with soft thermal limiter
4. Load dump voltage
5. Fortuitous open GND
6. Reversed battery

Part Number: SCK-2R55A, SCK2R55A

Function: NTC Power Thermistor

Package: Radial 2 Lead type

Manufacturer: Voltts

Images: SCK-2R55A pdf datasheet

Description

The SCK-2R55A is 2.5 Ohm, 5A, NTC Power Thermistor.

An NTC (Negative Temperature Coefficient) power thermistor is a type of thermistor that exhibits a decrease in resistance as the temperature increases. It is specifically designed to handle high power levels and is often used in applications where temperature sensing, control, or protection is required.

1. Negative Temperature Coefficient: The thermistor’s resistance decreases as the temperature rises. This negative temperature coefficient property allows it to be used for temperature sensing and control applications.

2. Power Handling Capability: NTC power thermistors are designed to handle relatively high power levels. They are constructed with materials and designs that can dissipate the heat generated during operation without experiencing performance degradation or damage.

3. Resistance-Temperature Curve: The resistance of an NTC power thermistor follows a specific resistance-temperature curve, which is provided by the manufacturer. This curve is used to calibrate and interpret the resistance values to determine the corresponding temperature.

4. Steep Temperature Sensitivity: NTC power thermistors exhibit a relatively steep change in resistance with temperature, providing accurate temperature measurements and sensing capabilities.

Max. Approx.
Zero Power Steady Resistance Thermal Thermal Operating
Part No Resistance State at Max. Dissipation Time Temperature at 25ºC Current Current Constant Constant (ºC) (Ω) at 25ºC at 25ºC (mW/ºC) (Sec.) (A) (mΩ)

Odering Informations:

SCK-015 1 5 91 17 33 -40~+170
SCK-1R55 1.5 5 101 17 34 -40~+170
SCK-2R55A 2.5 5 120 18 46 -40~+170
SCK-034 3 4 156 18 45 -40~+170
SCK-035 3 5 119 18 45 -40~+170
SCK-044 4 4 161 16 40 -40~+170
SCK-054 5 4 180 17 33 -40~+170
SCK-083 8 3 278 17 43 -40~+170
SCK-103 10 3 297 17 46 -40~+170
SCK-122 12 2 512 18 50 -40~+170
SCK-123 12 3 301 18 50 -40~+170
SCK-133 13 3 356 18 49 -40~+170
SCK-152X 15 2.5 442 17 51 -40~+170
SCK-162 16 2 604 18 55 -40~+170
SCK-162X 16 2.5 442 16 45 -40~+170
SCK-202 20 2 646 17 54 -40~+170
SCK-252 25 2 674 17 52 -40~+170
SCK-302 30 2 700 17 50 -40~+170
SCK-472 47 2 720 18 49 -40~+170
SCK-501X 50 1.5 1170 18 48 -40~+170
SCK-502 50 2 813 18 48 -40~+170
SCK-801 80 1 2236 17 53 -40~+170
SCK-1201 120 1 2406 19 54 -40~+170

[…]

SCK-2R55A ntc Thermistor

Pinout

TDA7388 PDF – 4 X 45W Bridge Car Radio Amplifier – ST

Description

Download TDA7388 Datasheet

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SCK-2R55A PDF – 2.5 Ohm, 5A, NTC Power Thermistor

Description

Download SCK-2R55A Datasheet