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Equivalent & Substitute Parts Reference for PM-L44 Optical Sensor
Part Overview
The Panasonic PM-L44 is an optical sensor through-beam module with a 5mm slot, operating in selectable NPN Dark-ON/Light-ON mode. As this part is listed as obsolete, locating alternative models that maintain functional and parameter compatibility is necessary for ongoing designs and supply continuity in the optical sensors category.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Manufacturer | Category | Sensing Distance | Sensing Method | Output Configuration | Mounting Type | Response Time | Operating Temperature | Package / Case | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PM-L44 | Panasonic Industrial Automation Sales | Optical Sensors | 0.197" (5mm) | Through-Beam | NPN - Dark-ON/Light-ON - Selectable | Chassis Mount | 20µs | -25°C ~ 55°C | Module, Wire Leads, Slot Type | RoHS Compliant | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute part selection is based strictly on equivalent electrical and mechanical parameters provided. Key parameters for substitution include: sensing method (through-beam), proximity slot geometry (module, wire leads, slot type), output configuration (NPN), response time, operating temperature range, mounting type, RoHS compliance, and moisture sensitivity level (MSL). Only substitute parts matching these criteria are included.
Parameter Comparison
| Manufacturer Part Number | Sensing Distance | Sensing Method | Output Configuration | Mounting Type | Response Time | Operating Temperature | Package / Case | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|
| PM-L44 | 0.197" (5mm) | Through-Beam | NPN - Dark-ON/Light-ON - Selectable | Chassis Mount | 20µs | -25°C ~ 55°C | Module, Wire Leads, Slot Type | RoHS Compliant | 1 (Unlimited) |
| PM-L45 | 0.236" (6mm) | Through-Beam | NPN - Open Collector | Chassis Mount | 20µs, 80µs | -25°C ~ 55°C (TA) | Module, Wire Leads | ROHS3 Compliant | 1 (Unlimited) |
Engineering Selection Recommendations
Selection between PM-L44 and PM-L45 must account for product status and compliance attributes. PM-L44 is obsolete, making PM-L45, which is active and ROHS3 compliant with MSL 1 (Unlimited), suitable as an alternative where only compliant and current production inventory meets supply requirements.
Frequently Asked Questions (FAQ)
Q: What are the primary substitution criteria for PM-L44 in the optical sensors category?
A: The primary criteria are sensing method (through-beam), output configuration (NPN), slot type module with wire leads, response time, operating temperature, mounting style, and RoHS/MSL compliance.
Q: Do the PM-L44 and PM-L45 have similar packaging and mounting types?
A: Both utilize chassis mount and wire lead modules in slot-type configurations.
Q: Is the NPN output configuration of PM-L45 identical to PM-L44?
A: PM-L44 features an NPN Dark-ON/Light-ON selectable output while PM-L45 provides an NPN open collector output.
Q: Are there differences in response times?
A: PM-L44 specifies 20µs; PM-L45 lists 20µs and 80µs.
Q: What should be considered regarding product status and inventory?
A: PM-L44 is obsolete; PM-L45 is active with available inventory and compliant status.
Q: Is the operating temperature range equivalent?
A: Both support an operating temperature of -25°C ~ 55°C.
Q: Are there any differences in compliance between the parts?
A: PM-L44 is RoHS compliant; PM-L45 is ROHS3 compliant. Both have MSL 1 (Unlimited).
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