SM1204UOC LED Orange Clear 1204 SMD Right Angle Equivalent & Substitute Parts

Part Overview

The SM1204UOC is an orange 625nm LED indication component manufactured by Bivar Inc. in a 1204 (3210 Metric) surface mount right angle package. This discrete LED operates at 2.1V forward voltage with a 70mcd brightness rating and 110° viewing angle. The component is actively produced and ROHS3 compliant.

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and environmental compliance can be maintained across different manufacturers. The substitute parts listed below share critical parameters including surface mount right angle mounting, similar forward voltage ranges, 20mA test current, and comparable package dimensions suitable for 1204 form factor applications.

Substiute Parts

SM1204UOC

Bivar Inc.In Stock: 959SM1204UOC Datasheet

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155124YS73200

Würth ElektronikIn Stock: 979155124YS73200 Datasheet

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HSMD-C110

Broadcom LimitedIn Stock: 3117HSMD-C110 Datasheet

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HSMY-C110

Broadcom LimitedIn Stock: 35370HSMY-C110 Datasheet

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SML-LXR85SYC-TR

Lumex Opto/Components Inc.In Stock: 4178SML-LXR85SYC-TR Datasheet

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SML-LXR85YC-TR

Lumex Opto/Components Inc.In Stock: 3497SML-LXR85YC-TR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SM1204UOC are identified based on the following critical parameters that determine functional and mechanical compatibility:

Electrical Compatibility Criteria:

• Forward voltage (Vf) within 2.0V to 2.2V range
• Test current of 20mA
• Surface mount right angle mounting configuration
• Similar wavelength characteristics for color-matched applications

Mechanical Compatibility Criteria:

• Package dimensions compatible with 1204 form factor (3.20mm length nominal)
• Height maximum of 1.20mm or less
• Lens style: Rectangle with domed top
• Lens size: 2.00mm x 1.00mm nominal

Environmental & Compliance Criteria:

• ROHS3 compliance
• Active product status
• Tape & Reel or equivalent packaging suitable for automated assembly

The substitute parts listed include both color-matched orange LEDs and alternative color options (yellow) where electrical and mechanical parameters align with the SM1204UOC specifications. Color substitution is permissible when application requirements allow wavelength variation within the visible spectrum.

Parameter Comparison

Engineering Selection Recommendations

Color-Matched Orange Substitute:

HSMD-C110 (Broadcom Limited) is the primary orange-colored substitute for the SM1204UOC. Both components share orange wavelength characteristics (625nm dominant vs. 604nm dominant) and operate within compatible forward voltage ranges (2.1V vs. 2.2V). The HSMD-C110 maintains surface mount right angle mounting, ROHS3 compliance, and active product status. The primary difference is reduced brightness (8mcd vs. 70mcd), which requires application-level evaluation. Mechanical dimensions are compatible with 1204 form factor applications.

Alternative Color Substitutes (Yellow):

Yellow LED substitutes are applicable when application requirements permit wavelength variation. The following yellow alternatives meet electrical and mechanical compatibility criteria:

• 155124YS73200 (Würth Elektronik): Highest brightness rating (130mcd) among substitutes. Forward voltage 2.0V. Viewing angle 120°. Height maximum 1.20mm. ROHS3 compliant, active status.

• SML-LXR85SYC-TR (Lumex Opto/Components Inc.): Brightness 50mcd. Forward voltage 2.0V. Widest viewing angle (160°). Height maximum 1.00mm. ROHS3 compliant, active status.

• SML-LXR85YC-TR (Lumex Opto/Components Inc.): Brightness 10mcd. Forward voltage 2.1V. Viewing angle 130°. Height maximum 1.00mm. ROHS3 compliant, active status.

• HSMY-C110 (Broadcom Limited): Brightness 8mcd. Forward voltage 2.1V. Viewing angle 130°. Diffused lens transparency (white lens color). Height maximum 1.00mm. ROHS3 compliant, active status.

All substitute parts maintain ROHS3 compliance and active product status, ensuring regulatory alignment and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can HSMD-C110 directly replace SM1204UOC in all applications?

A: HSMD-C110 is mechanically and electrically compatible as a surface mount right angle LED in 1204 form factor. However, the brightness difference (8mcd vs. 70mcd) requires application-level assessment. Applications requiring the original 70mcd brightness specification cannot use HSMD-C110 without circuit redesign.

Q: What is the primary difference between SM1204UOC and yellow substitute parts?

A: The primary difference is wavelength. SM1204UOC emits orange light at 625nm dominant wavelength, while yellow substitutes emit at 586nm to 589nm dominant wavelength. Electrical parameters (forward voltage, test current) and mechanical compatibility (surface mount right angle, 1204 form factor) are equivalent. Color substitution is permissible only when application requirements allow visible spectrum variation.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Most substitute parts are available in Tape & Reel (TR) packaging suitable for automated assembly. HSMY-C110 is available in Cut Tape (CT) and Digi-Reel® packaging. Packaging format should be confirmed during procurement to ensure compatibility with assembly equipment.

Q: What is the significance of the 1.00mm width specification for SM1204UOC?

A: The 1.00mm width is the narrowest dimension among substitute parts listed (which range from 1.00mm to 1.60mm width). This dimension affects PCB layout and spacing requirements. Substitute parts with greater width (1.50mm or 1.60mm) require verification of available PCB space before selection.

Q: How do viewing angles differ among substitute parts?

A: SM1204UOC has a 110° viewing angle. Substitute parts range from 120° to 160°. Wider viewing angles (130° to 160°) provide greater light distribution but may not be suitable for applications requiring focused light output. Application requirements determine whether wider viewing angles are acceptable.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (HSMD-C110, 155124YS73200, SML-LXR85YC-TR, SML-LXR85SYC-TR, HSMY-C110) are ROHS3 compliant, matching the SM1204UOC compliance status.

Q: What is the difference between clear and diffused lens transparency?

A: SM1204UOC features a clear lens, providing direct light transmission with sharp intensity distribution. HSMY-C110 features a diffused lens (white lens color), which scatters light for broader, softer illumination. Clear lenses are suitable for focused indication; diffused lenses are suitable for ambient visibility applications.

Q: Can forward voltage differences between SM1204UOC (2.1V) and substitutes affect circuit design?

A: Forward voltage differences of 0.1V to 0.2V (ranging from 2.0V to 2.2V across all parts) are within typical LED circuit tolerance. However, current-limiting resistor values may require adjustment. Applications with tight voltage budgets or series LED configurations should recalculate resistor values based on the selected substitute part's forward voltage specification.