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Panasonic PM-L45-P Optical Sensor: Equivalent & Substitute Parts
Part Overview
The Panasonic PM-L45-P is an active optical through-beam sensor in the PM-45 series, designed for 6mm (0.236") sensing distance applications. This PNP open collector module with wire leads operates across 5V to 24V supply voltage and delivers 20µs to 80µs response time. The part is currently active in production with full ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to address inventory availability, lead time requirements, or specific cable configuration needs while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Sensing Distance | 0.236" (6mm) |
| Sensing Method | Through-Beam |
| Output Configuration | PNP - Open Collector |
| Voltage Supply Range | 5V ~ 24V |
| Current Supply | 15 mA |
| Response Time | 20µs, 80µs |
| Operating Temperature | -25°C ~ 55°C (TA) |
| Mounting Type | Chassis Mount |
| Package Type | Module, Wire Leads |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the PM-L45-P are classified into two functional groups based on cable configuration:
Group 1: Wire Lead Configuration (No Integrated Cable) Parts PM-F45-P, PM-K45-P, PM-R45-P, PM-T45-P, and PM-Y45-P share identical electrical and mechanical specifications with the PM-L45-P. These parts differ only in internal optical element design (indicated by the letter designation: L, F, K, R, T, Y) but maintain the same sensing distance, output type, voltage range, current draw, response time, and operating temperature. All are chassis mount modules with wire leads and carry equivalent ROHS3 compliance and MSL ratings.
Group 2: Integrated 3-Meter Cable Configuration Parts PM-F45-P-C3, PM-K45-P-C3, PM-L45-P-C3, PM-R45-P-C3, and PM-T45-P-C3 provide the same electrical performance as their wire lead counterparts but include a factory-integrated 3-meter cable assembly. These parts are direct substitutes when pre-assembled cable connections are required, eliminating field termination requirements.
All substitute parts maintain identical sensing distance (6mm), sensing method (through-beam), output configuration (PNP open collector), supply voltage range (5V–24V), current consumption (15 mA), response time (20µs, 80µs), operating temperature range (-25°C to 55°C), and regulatory compliance (ROHS3, MSL 1).
Parameter Comparison
| Part Number | Sensing Distance | Sensing Method | Output Configuration | Voltage Supply | Current Supply | Response Time | Operating Temperature | Cable Configuration | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|
| PM-L45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 1084 |
| PM-F45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 1232 |
| PM-F45-P-C3 | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | 3M Integrated Cable | 981 |
| PM-K45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 2600 |
| PM-K45-P-C3 | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | 3M Integrated Cable | 1196 |
| PM-L45-P-C3 | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | 3M Integrated Cable | 1029 |
| PM-R45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 1773 |
| PM-R45-P-C3 | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | 3M Integrated Cable | 923 |
| PM-T45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 1447 |
| PM-T45-P-C3 | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | 3M Integrated Cable | 917 |
| PM-Y45-P | 0.236" (6mm) | Through-Beam | PNP - Open Collector | 5V ~ 24V | 15 mA | 20µs, 80µs | -25°C ~ 55°C | Wire Leads | 78868 |
Engineering Selection Recommendations
All substitute parts maintain active product status with full ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating. Selection between wire lead and cable-integrated variants depends on installation requirements:
Wire lead configurations (PM-F45-P, PM-K45-P, PM-R45-P, PM-T45-P, PM-Y45-P) are suitable for applications requiring custom cable lengths or field termination. PM-Y45-P offers the highest inventory availability at 78,868 units.
Cable-integrated variants (PM-F45-P-C3, PM-K45-P-C3, PM-L45-P-C3, PM-R45-P-C3, PM-T45-P-C3) eliminate field assembly steps and are appropriate for standardized 3-meter cable run applications. These configurations reduce installation labor and potential termination errors.
All parts carry identical electrical performance specifications and regulatory certifications, ensuring direct functional interchangeability within their respective cable configuration groups.
Frequently Asked Questions (FAQ)
Q: Can wire lead and cable-integrated versions be used interchangeably? A: No. Wire lead versions require field cable termination, while cable-integrated versions include factory-assembled 3-meter cables. Selection depends on installation methodology and cable length requirements.
Q: What determines compatibility between PM-L45-P and its substitutes? A: Compatibility is determined by matching sensing distance (6mm), sensing method (through-beam), output type (PNP open collector), voltage range (5V–24V), current draw (15 mA), response time (20µs, 80µs), and operating temperature (-25°C to 55°C). All listed substitutes meet these criteria.
Q: Are there performance differences between the different letter designations (L, F, K, R, T, Y)? A: The letter designation indicates different internal optical element designs. All variants maintain identical electrical specifications, sensing distance, and performance parameters listed in this document.
Q: What is the significance of the -C3 suffix? A: The -C3 suffix indicates integration of a 3-meter factory-assembled cable. Parts without this suffix feature wire leads only.
Q: Do all parts carry the same regulatory compliance? A: Yes. All listed parts are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity rating and carry identical ECCN (EAR99) and HTSUS (8543.70.9860) classifications.
Q: Which substitute offers the best inventory availability? A: PM-Y45-P (wire lead configuration) provides the highest stock level at 78,868 units.
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