RPI-0125 is out of stock and can be placed on backorder.
Available Substitutes:

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
RPI-0125 | |
|---|---|
DigiKey Part Number | 846-RPI-0125BTR-ND - Tape & Reel (TR) 846-RPI-0125BCT-ND - Cut Tape (CT) 846-RPI-0125BDKR-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | RPI-0125 |
Description | SENSOR OPTICAL 1.2MM MODULE SLOT |
Manufacturer Standard Lead Time | 12 Weeks |
Customer Reference | |
Detailed Description | Optical Sensor Through-Beam 0.047" (1.2mm) Phototransistor Slotted Module |
Datasheet | Datasheet |
EDA/CAD Models | RPI-0125 Models |
Product Attributes
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Category | Current - Collector (Ic) (Max) 30 mA |
Manufacturer Rohm Semiconductor | Voltage - Collector Emitter Breakdown (Max) 30 V |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Response Time 10µs, 10µs |
Part Status Active | Operating Temperature -25°C ~ 85°C |
Sensing Distance 0.047" (1.2mm) | Mounting Type Surface Mount |
Sensing Method Through-Beam | Package / Case Slotted Module |
Output Configuration Phototransistor | Type Unamplified |
Current - DC Forward (If) (Max) 50 mA | Base Product Number |
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Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| RPI-0125 | Rohm Semiconductor | 0 | 846-RPI-0125BTR-ND | $1.08000 | Parametric Equivalent |
In-Stock: 0
750 estimated in stock on 31-Dec-2026
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.08000 | $1.08 |
| 5 | $0.95000 | $4.75 |
| 10 | $0.90200 | $9.02 |
| 25 | $0.84560 | $21.14 |
| 50 | $0.80700 | $40.35 |
| 100 | $0.77150 | $77.15 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 750 | $0.71231 | $534.23 |
| 1,500 | $0.68632 | $1,029.48 |
| 2,250 | $0.67214 | $1,512.31 |
| 3,750 | $0.65526 | $2,457.22 |
| 5,250 | $0.64473 | $3,384.83 |
| 7,500 | $0.63403 | $4,755.22 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.






