Bourns 5V dc 256 ppr Pulse Optical Encoder with a 6.35 mm Round Shaft, Bracket Mount
- RS Stock No.:
- 164-2633
- Distrelec Article No.:
- 300-37-212
- Mfr. Part No.:
- ENS1J-B28-L00256L
- Manufacturer:
- Bourns
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Subtotal (1 unit)*
MYR308.91
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In Stock
- 26 unit(s) ready to ship from another location
- Plus 10 unit(s) shipping from 11 May 2026
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Units | Per Unit |
|---|---|
| 1 - 4 | MYR308.91 |
| 5 - 9 | MYR299.64 |
| 10 - 24 | MYR290.64 |
| 25 + | MYR281.91 |
*price indicative
- RS Stock No.:
- 164-2633
- Distrelec Article No.:
- 300-37-212
- Mfr. Part No.:
- ENS1J-B28-L00256L
- Manufacturer:
- Bourns
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Bourns | |
| Product Type | Optical Encoder | |
| Pulses Per Revolution | 256ppr | |
| Encoder Signal | Digital Square Wave | |
| Supply Voltage | 5V dc | |
| Shaft Diameter | 6.35mm | |
| Automotive Standard | No | |
| Mounting Hole Diameter | 9.5 mm | |
| Shaft Length | 22.23mm | |
| Mount Type | Bracket Mount | |
| Shaft Style | Round | |
| Maximum Operating Speed | 3000rpm | |
| Encoder Type | Incremental | |
| Standards/Approvals | RoHS | |
| Series | EN | |
| Current Rating | 25mA | |
| Select all | ||
|---|---|---|
Brand Bourns | ||
Product Type Optical Encoder | ||
Pulses Per Revolution 256ppr | ||
Encoder Signal Digital Square Wave | ||
Supply Voltage 5V dc | ||
Shaft Diameter 6.35mm | ||
Automotive Standard No | ||
Mounting Hole Diameter 9.5 mm | ||
Shaft Length 22.23mm | ||
Mount Type Bracket Mount | ||
Shaft Style Round | ||
Maximum Operating Speed 3000rpm | ||
Encoder Type Incremental | ||
Standards/Approvals RoHS | ||
Series EN | ||
Current Rating 25mA | ||

EN Series Rotary Optical Encoder
EN series rotary optical encoders with two channel quadrature output, a square wave signal and a resolution to 256 PPR. These EN series rotary optical encoders are bushing or servo mount, CMOS and TTL compatible and have a long life of 10,000,000 revolutions. Versions with a ball bearing bushing configuration (stock numbers 164-2633, 789-9501, 789-9501 and 827-5029) have an increased life of 200,000,000 revolutions as well as a high operating speed of 3000 rpm. Typical applications for these rotary optical encoders include digital panel control or position sensing where reliability, long life, high resolution and precision linearity are essential.
Features & Benefits
2-bit quadrature output, channel A leads channel B by 90° with clockwise rotation
Metal bushing and shaft, long life, high operating speed
Square wave signal, CMOS and TTL compatible
64, 128 or 256 cycles per revolution
ENA types have bush mounting (spring loaded for optimum feel)
ENS type has bush mounting (ball bearing shaft support)
Continuous mechanical rotation
Product Application Information
Typical applications for these rotary optical encoders include digital panel control or position sensing where reliability, long life, high resolution and precision linearity are essential.
Related links
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- Bourns 5V dc 128 ppr Pulse Optical Encoder with a 6.342 mm Plain Shaft Axial
- Nidec Components 5V dc 256 ppr Pulse Optical Encoder with a 6 mm Flat Shaft Wire
- Bourns 256 ppr Pulse Incremental Mechanical Rotary Encoder with a 3.17 mm Plain Shaft (Indexed), Bracket Mount
- Bourns 5V dc 32 ppr Pulse Optical Encoder with a 6 mm Slotted Shaft Axial
- Nidec Components 5V dc 50 ppr Pulse Optical Encoder with a 8 mm Round Shaft Wire
