CSL0903DT1C Orange LED 0603 SMD Equivalent & Substitute Parts

Part Overview

The CSL0903DT1C is an orange surface-mount LED manufactured by Rohm Semiconductor, designed for indication applications in the 0603 (1608 Metric) package format. This component operates at a forward voltage of 2.1V with a test current of 20mA and produces 1400 millicandela at the dominant wavelength of 605nm. The part carries Automotive grade qualification under AEC-Q102 and maintains Active product status. Identification of equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain compatibility across manufacturing batches and procurement cycles.

Substiute Parts

CSL0903DT1C
Rohm SemiconductorIn Stock: 3119CSL0903DT1C Datasheet
CSL0903DT1C
Current Part
CSL0903DT1
Rohm SemiconductorIn Stock: 4837CSL0903DT1 Datasheet
CSL0903DT1
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Rohm Semiconductor
Package / Case 0603 (1608 Metric)
Color Orange
Wavelength - Dominant 605nm
Voltage - Forward (Vf) (Typ) 2.1V
Current - Test 20mA
Millicandela Rating 1400mcd
Lens Color Colorless
Lens Transparency Clear
Lens Style Round with Domed Top
Mounting Type Surface Mount
Grade Automotive
Qualification AEC-Q102
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Product Status Active

Substitute Part Grouping Explanation

Substitution of the CSL0903DT1C is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

  • Forward voltage (Vf): 2.1V (Typical)
  • Test current: 20mA
  • Dominant wavelength: 605nm (orange spectrum)
  • Luminous intensity: 1400 millicandela

Mechanical Parameters:

  • Package format: 0603 (1608 Metric)
  • Mounting type: Surface Mount
  • Lens configuration: Colorless, clear, round with domed top
  • Physical dimensions: 1.60mm L × 0.80mm W, 1.34mm maximum height

Compliance & Environmental Parameters:

  • Grade: Automotive
  • Qualification: AEC-Q102
  • Moisture Sensitivity Level: 3 (168 Hours)
  • Product Status: Active

Parts qualify as substitutes only when all parameters listed above match exactly. No deviations in electrical performance, physical dimensions, or compliance certifications are permitted.

Parameter Comparison

Parameter CSL0903DT1C (Main Part) CSL0903DT1 (Substitute)
Manufacturer Rohm Semiconductor Rohm Semiconductor
Manufacturer Part Number CSL0903DT1C CSL0903DT1
Package / Case 0603 (1608 Metric) 0603 (1608 Metric)
Packaging Tape & Reel (TR) Tape & Reel (TR)
Color Orange Orange
Wavelength - Dominant 605nm 605nm
Voltage - Forward (Vf) (Typ) 2.1V 2.1V
Current - Test 20mA 20mA
Millicandela Rating 1400mcd 1400mcd
Lens Color Colorless Colorless
Lens Transparency Clear Clear
Lens Style Round with Domed Top Round with Domed Top
Lens Size 1.14mm Dia 1.14mm Dia
Size / Dimension 1.60mm L × 0.80mm W 1.60mm L × 0.80mm W
Height (Max) 1.34mm 1.34mm
Mounting Type Surface Mount Surface Mount
Moisture Sensitivity Level (MSL) 3 (168 Hours) 3 (168 Hours)
Product Status Active Active
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99
HTSUS 8541.41.0000 8541.41.0000

Engineering Selection Recommendations

The CSL0903DT1 qualifies as a parametric equivalent to the CSL0903DT1C. Both components are manufactured by Rohm Semiconductor and maintain identical electrical, mechanical, and compliance specifications. Both parts carry Active product status and hold Automotive grade qualification under AEC-Q102, ensuring suitability for automotive indication applications.

Selection between these parts may be based on inventory availability and procurement lead times. The CSL0903DT1C currently maintains 3010 pieces in stock, while the CSL0903DT1 maintains 4739 pieces in stock. Both parts are supplied in Tape & Reel packaging and are subject to identical handling and storage requirements under MSL 3 conditions.

No performance degradation or functional compromise occurs when substituting either part for the other in circuit designs. Pin configuration, soldering requirements, and thermal characteristics remain consistent across both part numbers.

Frequently Asked Questions (FAQ)

Q: Can CSL0903DT1 be used as a direct replacement for CSL0903DT1C?

A: Yes. The CSL0903DT1 is a parametric equivalent with identical electrical performance (2.1V forward voltage, 20mA test current, 1400mcd), mechanical dimensions (0603 package, 1.60mm × 0.80mm × 1.34mm), and compliance certifications (AEC-Q102 Automotive grade). Direct substitution in circuit designs is supported.

Q: Are there differences in package or mounting between these parts?

A: No. Both parts use the 0603 (1608 Metric) surface-mount package format and are supplied in Tape & Reel packaging. Soldering profiles, pick-and-place machine compatibility, and PCB footprints are identical.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both CSL0903DT1C and CSL0903DT1 carry REACH Unaffected status, EAR99 export classification, and identical HTSUS coding. Both maintain MSL 3 moisture sensitivity with 168-hour floor life. Automotive qualification under AEC-Q102 applies to both parts.

Q: What is the difference between CSL0903DT1C and CSL0903DT1 part numbers?

A: The part numbers differ only in the suffix designation. All electrical, optical, and mechanical parameters are identical. The suffix variation does not indicate performance, quality, or specification differences.

Q: Can these parts be mixed in the same production batch?

A: Yes. Both parts are functionally and mechanically equivalent and can be used interchangeably within the same assembly or production run without design modification or circuit re-qualification.

Q: What is the luminous intensity specification for these LEDs?

A: Both parts produce 1400 millicandela at the dominant wavelength of 605nm under test conditions of 20mA forward current.

Q: Are there any restrictions on storage or handling?

A: Both parts are classified as MSL 3 components with a floor life of 168 hours after exposure to ambient conditions. Standard moisture-controlled storage and handling procedures for surface-mount components apply to both part numbers.

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