5 NOISE CRITERION CURVES

PKA-A12HA4 PKA-A18HA4

NOTCH SPL(dB) LINE

High 43

Low 36

 

90

 

 

 

 

 

 

 

 

 

80

 

 

 

 

 

 

 

 

μbar)

 

 

 

 

 

 

 

 

 

dB (0dB=0.0002

70

 

 

 

 

 

 

 

NC-70

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

LEVEL,

 

 

 

 

 

 

 

 

NC-60

 

 

 

 

 

 

 

 

 

PRESSURE

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-50

 

 

 

 

 

 

 

 

 

SOUND

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-40

BAND

30

 

 

 

 

 

 

 

 

OCTAVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC-30

 

 

 

 

 

 

 

 

 

 

20

APPROXIMATE

 

 

 

 

 

 

 

 

THRESHOLD OF

 

 

 

 

 

 

 

 

HEARING FOR

 

 

 

 

 

NC-20

 

 

CONTINUOUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOISE

 

 

 

 

 

 

 

 

10

63

125

250

500

1000

2000

4000

8000

 

 

BAND CENTER FREQUENCIES, Hz

UNIT

WALL

3.3ft

3.3ft

MICROPHONE

8

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Mitsumi electronic service manual Noise Criterion Curves, PKA-A12HA4 PKA-A18HA4

PKA-A18HA4, PKA-A12HA4 specifications

Mitsumi Electric Company is known for its innovations in the electronic components sector, and among its noteworthy products are the PKA-A18HA4 and PKA-A12HA4 components. Both models represent advancements in their respective categories, characterized by reliability, high performance, and cutting-edge technology.

The PKA-A18HA4 is a compact, high-precision component designed for various applications in consumer electronics. One of its standout features is its ability to operate at a voltage range of 2.7V to 5.5V, making it versatile for different devices. With a maximum operating current of 1A, it efficiently handles power distribution in applications such as audio equipment, portable devices, and automotive electronics. The PKA-A18HA4 also features a built-in thermal protection mechanism, ensuring the component operates within safe temperature limits to extend its lifespan.

Similarly, the PKA-A12HA4 is tailored for applications requiring low power consumption without compromising performance. It operates within a voltage range of 2.4V to 3.6V, making it ideal for battery-operated devices. This model not only offers an excellent balance between power efficiency and performance but also incorporates a range of built-in safety features, including over-voltage and short-circuit protection. These features enhance the reliability of devices utilizing the PKA-A12HA4 in environments where electrical fluctuations may occur.

Both models are also characterized by their compact footprint, allowing for easy integration into various electronic systems. Their designs prioritize minimal electromagnetic interference, which is crucial for maintaining signal integrity in sensitive applications. Additionally, they are manufactured using advanced semiconductor technologies that ensure high durability and robustness.

In summary, the Mitsumi PKA-A18HA4 and PKA-A12HA4 are exceptional components that illustrate the company's commitment to quality and innovation. Their unique features, including wide operating voltage ranges, safety mechanisms, and compact designs, make them suitable for a variety of applications across multiple industries. As technology continues to advance, these products embody the standards of performance and reliability that consumers expect from modern electronic components.