CCLM4500 TR Equivalent & Substitute Parts

Part Overview

The CCLM4500 TR is a current regulator integrated circuit manufactured by Central Semiconductor Corp, classified as a Power Management (PMIC) component. This device functions as a current regulator with a nominal output current of 5.1mA and is housed in a SOD-80 (DO-213AC, MINI-MELF) surface mount package. The CCLM4500 TR is designated as obsolete, necessitating identification of functionally equivalent substitute components for ongoing design requirements and production continuity.

Substiute Parts

CCLM4500 TR

Central Semiconductor CorpIn Stock: 983CCLM4500 TR Datasheet

Current PartRFQ

CMJ4500 TR PBFREE

Central Semiconductor CorpIn Stock: 5338CMJ4500 TR PBFREE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CCLM4500 TR is determined by equivalence across the following critical parameters:

• Regulator Current Output: 5.1mA nominal specification
• Maximum Voltage Rating: 100V (Voltage - Anode - Cathode)
• Mounting Configuration: Surface mount technology
• Functional Classification: Current regulator / current limiting diode

The CMJ4500 TR PBFREE qualifies as a substitute based on matching the 5.1mA current regulation specification and 100V voltage rating. This substitute is classified as a discrete semiconductor product (current regulating diode) rather than an integrated circuit, but performs the equivalent current regulation function. The substitute maintains surface mount packaging compatibility and is manufactured by the same supplier.

Parameter Comparison

Engineering Selection Recommendations

The CMJ4500 TR PBFREE is the manufacturer-recommended substitute for the obsolete CCLM4500 TR. Selection of this substitute is based on the following engineering criteria:

Product Status: The CCLM4500 TR is obsolete with no continued manufacturing. The CMJ4500 TR PBFREE maintains active production status, ensuring long-term component availability and supply chain continuity.

Functional Equivalence: Both components deliver 5.1mA current regulation at 100V maximum voltage rating, satisfying the core functional requirements of the original design.

Compliance and Certifications: The CMJ4500 TR PBFREE is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards. The component carries EAR99 ECCN classification.

Inventory Availability: The substitute part maintains substantial inventory levels (5314 pieces in stock), supporting immediate procurement requirements.

Package Consideration: The substitute utilizes SOD-123F packaging (smaller than the original SOD-80), which may require PCB layout modification. Physical dimensions and lead spacing differ between SOD-80 and SOD-123F packages.

Frequently Asked Questions (FAQ)

Q: Can the CMJ4500 TR PBFREE directly replace the CCLM4500 TR without circuit modifications?

A: The CMJ4500 TR PBFREE provides electrical equivalence in current regulation (5.1mA) and voltage rating (100V). However, the package change from SOD-80 to SOD-123F requires PCB footprint modification. Mechanical compatibility cannot be achieved without layout redesign.

Q: What is the difference between the CCLM4500 TR (IC) and CMJ4500 TR PBFREE (discrete diode)?

A: The CCLM4500 TR is an integrated circuit current regulator, while the CMJ4500 TR PBFREE is a discrete current-regulating diode. Both perform equivalent current regulation functions at identical specifications (5.1mA, 100V). The discrete component approach of the substitute may offer improved thermal characteristics due to the 500mW power rating specification.

Q: Are there temperature range differences between these components?

A: Yes. The CCLM4500 TR operates from -65°C to 200°C (TJ), while the CMJ4500 TR PBFREE operates from -65°C to 150°C (TJ). Applications requiring operation above 150°C junction temperature cannot use the substitute without thermal management review.

Q: What packaging changes must be accommodated?

A: The original CCLM4500 TR uses SOD-80 (DO-213AC, MINI-MELF) packaging. The substitute CMJ4500 TR PBFREE uses SOD-123F (SOD-123FL) packaging. These packages have different physical dimensions and lead configurations, requiring PCB redesign for mechanical fit.

Q: Is the CMJ4500 TR PBFREE lead-free?

A: Yes. The "PBFREE" designation in the part number indicates lead-free construction, consistent with ROHS3 compliance certification.

Q: What is the voltage-limiting specification of the substitute?

A: The CMJ4500 TR PBFREE has a maximum voltage-limiting specification of 3.7V, which represents the voltage drop across the device during current regulation operation.