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  3. アルプスアルパイン
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Electronic Components and Semiconductors
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アルプスアルパイン

EstablishmentNovember 1, 1948
capital3873000Ten thousand
number of employees27287
addressTokyo/Ota-ku/1-7 Yukitani Otsuka Town
phone03-3726-1211
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last updated:Nov 05, 2025
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アルプスアルパイン Product Lineup

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Tactile switch Tactile switch
コンポーネント製品 コンポーネント製品
センサー・コミュニケーション製品 センサー・コミュニケーション製品
Switch Switch
Variable resistor Variable resistor
Encoder Encoder
Connector Connector
Multifunctional operation device Multifunctional operation device
IoT system solution IoT system solution
Technical data Technical data
Encoder

Encoder

Our encoders have expanded from audio applications to automotive uses and white goods. We offer a wide range of products to meet customer needs, including metal shaft types with small axial play and long lifespan, cost-effective insulated shaft types, hollow shaft types with a rich variety of inner and outer diameters, and small, surface-mounted through-shaft types.

Encoder EC05E Series (Compact Through Shaft Encoder)

Compact type using drum code TM

It is a through-axis type. There are two directions for the operation unit. It has 12 clicks.

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Encoder EC09E Series (Compact)

It is a compact, round shape with a body size of 9.5mm, contributing to space-saving on the mounting surface.

Proven track record in the automotive market The shape of the control unit is flat axis only There are two lengths of the control unit

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Encoder EC12 Series (Insulated Shaft Type)

Insulated shaft type with a variety of options.

Proven results in the livelihood market Two types: with and without clicks It is an insulated shaft.

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Encoder EC10E series (through-shaft type)

A long-life type that achieves miniaturization with a unique through-axis shape.

Proven track record in the automotive market It is a through-shaft type 12 pulses

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Encoder EC28A/EC28C series (hollow shaft)

Achieves a slim design with a thickness of 4mm and a good operating feel.

Proven track record in the automotive market There are two types of installation methods There are three lengths for the control unit

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Encoder EC35A series (hollow shaft)

Achieves a slim design with a thickness of 4.5mm and a good operating feel.

Proven track record in the automotive market There are two lengths for the control unit There are two types of clicks

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Encoder EC35Ah/EC35AC series (hollow shaft)

Composite-capable hollow shaft type

Proven track record in the automotive market There are two types of installation methods There are three lengths for the control unit

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Encoder EC40A series (hollow shaft)

Achieves a good operating feeling with axis play suppressed.

Proven track record in the automotive market Length of the control section is 22mm 30 clicks

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Encoder EC50A series (hollow shaft)

Large type with an inner diameter of φ37mm that can also accommodate a small LCD.

Proven track record in the automotive market The length of the control section is 14.5mm It has 18 clicks

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