Manufacturer product reference image
Encoders - 28mm Size Ring Type EC28A/EC28C Series
Key Specifications
| Complete manufacturer part number | EC28A1870401 |
|---|---|
| Manufacturer | Alps Alpine |
| Description | Encoders - 28mm Size Ring Type EC28A/EC28C Series |
| Package / case | 28mm size |
| Product category | Encoders |
| Series / Family | EC28A/EC28C Series |
| Dimensions | 28mm size |
| Number of pulse | 18 |
| Ratings | 10mA 5V DC |
| Manufacturer Supply Status | Standard |
| Actuator length | 15.0mm |
| Detent torque | 20±10mN·m |
| Number of detent | 18 |
| Output signal | Two phase A and B |
| Max./min. operating current (Resistive load) | 10mA/1mA |
| Insulation resistance | 100MΩ min. 250V DC |
| Voltage proof | 300V AC for 1 minute or 360V AC for 2s |
| Mechanical performance Actuator strength | Pushing direction 100N Pulling direction 100N |
| Pushing direction | 100N |
| Pulling direction | 100N |
| Durability | Operating life 50,000 cycles |
| Operating life | 50,000 cycles |
| Minimum order unit(pcs.) | Japan 400 Export 800 |
| Japan | 400 |
| Export | 800 |
| Manufacturer Product Page | View exact manufacturer listing |
| Pins | To be confirmed |
| Operating temperature (manufacturer public outline) | -40 °C to 85 °C |
| Actuator length (manufacturer public outline) | 15.0mm |
| Detent torque (manufacturer public outline) | 20±10mN·m |
| Number of detent (manufacturer public outline) | 18 |
| Number of pulse (manufacturer public outline) | 18 |
| Dimensions (manufacturer public outline) | 28mm size |
| Electrical performance / Ratings (manufacturer public outline) | 10mA 5V DC |
| Electrical performance / Output signal (manufacturer public outline) | Two phase A and B |
| Electrical performance / Max./min. operating current (Resistive load) (manufacturer public outline) | 10mA/1mA |
| Electrical performance / Insulation resistance (manufacturer public outline) | 100MΩ min. 250V DC |
| Electrical performance / Voltage proof (manufacturer public outline) | 300V AC for 1 minute or 360V AC for 2s |
| Mechanical performance Actuator strength / Pushing direction (manufacturer public outline) | 100N |
| Mechanical performance Actuator strength / Pulling direction (manufacturer public outline) | 100N |
| Durability / Operating life (manufacturer public outline) | 50,000 cycles |
| In stock | 3,282 pcs |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
These values are the manufacturer public outline specifications shown on the exact part-number page. ALPS Alpine requires formal supply specifications to be obtained before use. Confirm exact dimensions, options and test conditions in those specifications.
Manufacturer product reference image for 28mm size. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
Some exact-order specifications remain to be confirmed in the manufacturer documentation.
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