PM-K44-C3 Equivalent & Substitute Parts

Part Overview

The PM-K44-C3 is an optical sensor module manufactured by Panasonic Industrial Automation Sales, designed for through-beam sensing applications with a 0.197" (5mm) sensing distance. This NPN-output sensor features selectable Dark-ON/Light-ON operation and is housed in a slot-type module with wire leads for chassis mounting. The product is currently obsolete, making identification of compatible substitute parts essential for system maintenance and component sourcing.

Substiute Parts

PM-K44-C3

Panasonic Industrial Automation SalesIn Stock: 1024PM-K44-C3 Datasheet

Current PartRFQ

PM-K45-C3

Panasonic Industrial Automation SalesIn Stock: 1079PM-K45-C3 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PM-K44-C3 is determined by the following critical parameters:

• Sensing Method: Through-beam operation must be maintained
• Output Configuration: NPN output with open collector topology
• Mounting Type: Chassis mount with wire leads
• Operating Temperature Range: -25°C ~ 55°C compatibility
• Response Time: 20µs or faster performance
• Electrical Ratings: Collector current and voltage specifications must meet or exceed application requirements
• Compliance: RoHS and environmental certifications

The PM-K45-C3 qualifies as a substitute based on these parameters, with the primary difference being an increased sensing distance of 0.236" (6mm) rather than 0.197" (5mm).

Parameter Comparison

Engineering Selection Recommendations

The PM-K45-C3 is the designated substitute for the obsolete PM-K44-C3. Both sensors maintain identical through-beam sensing methodology, NPN output topology, and operating temperature specifications. The PM-K45-C3 is currently in active production status, ensuring long-term component availability and supply chain continuity.

Key considerations for substitution:

• The PM-K45-C3 features a 0.236" (6mm) sensing distance compared to the PM-K44-C3's 0.197" (5mm), requiring verification that the increased sensing distance is compatible with the application's optical path geometry.
• Both components maintain 20µs response time capability, supporting equivalent switching performance in time-critical applications.
• The PM-K45-C3 achieves ROHS3 compliance, exceeding the RoHS compliance level of the original part.
• Electrical ratings and environmental specifications are equivalent across both components.

Frequently Asked Questions (FAQ)

Q: Can the PM-K45-C3 directly replace the PM-K44-C3 in existing assemblies?

A: Direct mechanical and electrical replacement is possible provided the application's optical path accommodates the increased 0.236" (6mm) sensing distance of the PM-K45-C3 versus the 0.197" (5mm) of the PM-K44-C3. Verification of slot geometry and beam alignment is required.

Q: What is the primary difference between these two optical sensor modules?

A: The primary difference is the sensing distance specification. The PM-K44-C3 operates at 0.197" (5mm), while the PM-K45-C3 operates at 0.236" (6mm). Both maintain identical through-beam sensing methodology, NPN output configuration, and response time performance.

Q: Are the electrical output characteristics compatible?

A: Both sensors feature NPN output with open collector topology. The PM-K44-C3 offers selectable Dark-ON/Light-ON operation, while the PM-K45-C3 provides standard NPN open collector output. Application logic must accommodate this operational difference.

Q: What compliance certifications apply to the PM-K45-C3?

A: The PM-K45-C3 is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating, meeting current environmental and handling standards.

Q: Is the PM-K45-C3 currently available for procurement?

A: Yes, the PM-K45-C3 is in active production status with current inventory availability, providing reliable long-term sourcing compared to the obsolete PM-K44-C3.