EC12E24204 rotary encoder Series

The EC12E24204 from Alps Alpine is a robust vertical mechanical rotary encoder designed for applications requiring precise position sensing and multi-turn capability. With 24 detents, it offers a high-resolution output, making it ideal for systems that need accurate angular measurements. The through-hole design provides easy integration into existing PCB layouts, which is a significant advantage for engineers working on prototyping or production lines.

One thing worth noting is its suitability for medical equipment, industrial machinery, and test instruments where precision and reliability are paramount. The vertical orientation helps in achieving a compact footprint while maintaining a stable mechanical interface, which is crucial in space-constrained environments. Another practical observation is that these encoders often find their way into automated testing stations and quality control systems due to their ability to provide consistent and repeatable position feedback over multiple rotations. Engineers tend to reach for this when they need a reliable, multi-turn encoder that can handle frequent use without degrading performance.

Mfr Part #	Quantity Available	Price	Category	SVHC	Tariff No	Number of Bits	Number of Channels	Torque	Weight	Shaft Detail	Mounting Type	Shaft Diameter	Number of Positions	Length - Shaft and Bearing	Torque - Max Momentary (oz-in / mNm)	Type	Positions Per Level	Pulses per Revolution	Operating Temperature	Standard Package	RoHS	Output	Resolution	Packaging	Mounting Hole Diameter	Rotational Life (Cycles Min)	Encoder Type	Other Specifications	Product Category	Factory Pack Quantity	Termination Style	Voltage - Supply	Product	Current - Output	Resolution (Bits)	Dielectric Strength	Depth	Width	Height	Length	Connector Type	Rotation Angle	Series
3 EC12E24204A8 Encoder with Insulated Shaft Type Alps 24 Pulse Incremental Mechanical Rotary Encoder with a 6mm Flat Shaft (Not Indexed), Through Hole Encoders 12mm 24 RES 24 DTENT EC12E24204A8 Mechanical Encoder Rotary Incremental Flat 20mN-m Straight Quadrature Digital Square Wave 24PPR Through Hole PC Pins ENCODER, VERTICAL, 12MM, 24DET,24PPR Alps 24位置增量机械式旋转编码器, 6 mm直径扁平轴 (没有索引), 通孔 alps electric	622	20: ¥10.924	-	:No SVHC (20-Jun-2013)	85365015	:24	:2	:3mN-m	0.00148	Flat	Through Hole	6 mm	24	:20mm	:20mN-m	:Vertical	Not Indexed	24	-10 to 70 °C	Trays	Compliant	Quadrature	24 PPR	Tray	1 mm, 2.1 x 2 mm	:30000	Incremental	No Switch	Encoders	1200	Through Hole	-	-	-	-	-	-	-	-	-	-	-	-
4 EC12E24204A9 Encoder with Insulated Shaft Type Alps 24 Pulse Incremental Mechanical Rotary Encoder with a 6mm Flat Shaft (Not Indexed), Through Hole Encoders 12mm 24 RES 24 DTENT EC12E24204A9 Mechanical Encoder Rotary Incremental Flat 20mN-m Straight Quadrature Digital Square Wave 24PPR Through Hole PC Pins ENCODER, VERTICAL, 12MM, 24DET,24PPR Incremental Type Encoder • Structure: Vertical • Number of Detent: 24 • Number of Pulse: 24 • Actuator Length: 25mm • Push-on Switch: Without Alps 24位置增量机械式旋转编码器, 6 mm直径扁平轴 (没有索引), 通孔 alps electric	1190	20: ¥10.3395	-	:No SVHC (20-Jun-2013)	85365015	:24	:2	:3mN-m	0.00181	Flat	Through Hole	6 mm	24	:25mm	:20mN-m	:Vertical	Not Indexed	24	-10 to 70 °C	Trays	Compliant	Quadrature	24 PPR	Tray	1 mm, 2.1 x 2 mm	-	Incremental	No Switch	Encoders	1200	Through Hole	-	-	-	-	-	-	-	-	-	-	-	-
4 EC12E24204A2 Encoder with Insulated Shaft Type Alps 24 Pulse Incremental Mechanical Rotary Encoder with a 6mm Flat Shaft (Not Indexed), Through Hole Encoders 12mm 24 RES 24 DTENT Mechanical Encoder Rotary Incremental Flat 20mN-m Straight Quadrature Digital Square Wave 24PPR Through Hole PC Pins ENCODER, VERTICAL, 24DET, 24PPR 15mmVerticalencoder24Pulses24DET Incremental Type Encoder • Structure: Vertical • Number of Detent: 24 • Number of Pulse: 24 • Actuator Length: 15mm • Push-on Switch: Without Alps 24位置增量机械式旋转编码器, 6 mm直径扁平轴 (没有索引), 通孔 alps electric	25	1: ¥3.9338	-	:No SVHC (20-Jun-2013)	85365015	:24	:2	:3mN-m	0.00162	Flat	Through Hole	6 mm	24	:15mm	:20mN-m	:Vertical	Not Indexed	24	-10 to 70 °C	Trays	Compliant	Quadrature	24 PPR	Tray	1 mm, 2.1 x 2 mm	:30000	Incremental	No Switch	Encoders	1200	Through Hole	-	-	-	-	-	-	-	-	-	-	-	-
4 EC12E24204A7 Encoder with Insulated Shaft Type Alps 24 Pulse Incremental Mechanical Rotary Encoder with a 6mm Flat Shaft (Not Indexed), Through Hole Encoders 5 Volts Through Hole ENCODER, VERTICAL, 12MM, 24DET,24PPR 17,5mmVerticalencoder24Pulses24DET Incremental Type Encoder • Structure: Vertical • Number of Detent: 24 • Number of Pulse: 24 • Actuator Length: 17.5mm • Push-on Switch: Without alps electric	1832	1: ¥16.524	-	:No SVHC (20-Jun-2013)	85365015	:24	:2	:3mN-m	0.0032	Flat	Through Hole	6 mm	24	:17.5mm	:20mN-m	:Vertical	Not Indexed	24	-10 to 70 °C	Trays	Compliant	Quadrature	24 PPR	Tray	1 mm, 2.1 x 2 mm	:30000	Incremental	No Switch	-	-	-	5 V	Mechanical Encoders	-	-	-	-	-	-	-	-	-	-
3 EC12E2420404 Alps 24 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole ENCODER, VERTICAL, 24 DET, 24PPR Alps 24位置机械式旋转编码器扁平轴 (没有索引), 通孔 Alps	80	1: ¥4.95	-	:No SVHC (20-Jun-2013)	85334010	:24	:2	:3mN-m	0.001	Flat	Through Hole	:6mm	:24	:8.5mm	:20mN-m	:Vertical	Not Indexed	24	:70°C	-	-	-	-	-	-	:30000	-	-	-	-	-	:5V	-	:0.5mA	:24	:50V	:14mm	:13.2mm	:5mm	:5mm	:Pin	:360°	:EC12

cigen-EC12E24204

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Frequently Asked Questions

EC12E24204 rotary encoder - Part List

Weight

Length - Shaft and Bearing

Tariff No

Shaft Diameter

Number of Positions

Operating Temperature

Voltage - Supply