CSL0903UT1C Equivalent & Substitute Parts

Part Overview

The CSL0903UT1C is a red surface mount LED manufactured by Rohm Semiconductor, designed for indication applications in automotive-grade applications. This discrete 0603 (1608 Metric) package LED operates at a forward voltage of 2.1V with a dominant wavelength of 620nm and delivers 1200 millicandela brightness. The part is currently in active production status with AEC-Q102 automotive qualification. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the specified parameter set.

Substiute Parts

CSL0903UT1C

Rohm SemiconductorIn Stock: 2748CSL0903UT1C Datasheet

Current PartRFQ

CSL0903UT1

Rohm SemiconductorIn Stock: 2861CSL0903UT1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CSL0903UT1C is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Forward voltage (Vf): 2.1V
• Test current: 20mA
• Dominant wavelength: 620nm
• Millicandela rating: 1200mcd

Mechanical Parameters:

• Package type: 0603 (1608 Metric)
• Mounting type: Surface Mount
• Physical dimensions: 1.60mm L x 0.80mm W
• Maximum height: 1.34mm
• Lens configuration: Round with Domed Top, Clear, Colorless

Compliance Parameters:

• Automotive grade qualification
• AEC-Q102 certification
• Moisture Sensitivity Level: 3 (168 Hours)

Substitute parts must match all parameters listed above to ensure direct compatibility in circuit design, PCB layout, and automotive application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both CSL0903UT1C and CSL0903UT1 are active production parts from Rohm Semiconductor with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain requirements rather than technical differentiation.

CSL0903UT1C is suitable for applications requiring the specific part number designation with current inventory of 2677 pieces in stock.

CSL0903UT1 serves as a direct parametric equivalent with current inventory of 2769 pieces in stock.

Both parts carry AEC-Q102 automotive qualification and are suitable for automotive-grade indication applications. Both maintain REACH compliance status and identical regulatory classifications (ECCN: EAR99, HTSUS: 8541.41.0000).

Frequently Asked Questions (FAQ)

Q: Can CSL0903UT1 be used as a direct replacement for CSL0903UT1C?

A: Yes. Both parts are manufactured by Rohm Semiconductor and share identical electrical parameters (2.1V forward voltage, 20mA test current, 620nm wavelength, 1200mcd brightness), mechanical dimensions (0603 package, 1.60mm x 0.80mm, 1.34mm max height), and automotive qualifications (AEC-Q102). They are interchangeable in circuit design and PCB layout.

Q: Are there any differences in packaging between these parts?

A: Both parts are supplied in Tape & Reel (TR) packaging in the 0603 (1608 Metric) format. No packaging differences exist between the two part numbers.

Q: Do both parts meet automotive requirements?

A: Yes. Both CSL0903UT1C and CSL0903UT1 are automotive-grade components with AEC-Q102 qualification, suitable for automotive indication applications.

Q: What is the significance of the part number suffix difference?

A: The CSL0903UT1C designation includes a "C" suffix compared to CSL0903UT1. Both parts are parametrically equivalent and functionally identical across all specified electrical and mechanical parameters.

Q: Are moisture sensitivity requirements the same?

A: Yes. Both parts have identical Moisture Sensitivity Level (MSL) rating of 3 (168 Hours), requiring the same handling and storage protocols.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. The parts are fully interchangeable from electrical, mechanical, and compliance perspectives. No circuit redesign or PCB layout modification is required when substituting between these part numbers.