Dialight 5988320107F Red Surface Mount LED - Equivalent & Substitute Parts

Part Overview

The Dialight 5988320107F is a red surface mount LED indicator in 1208 package configuration, designed for discrete indication applications requiring 2V forward voltage and 20mA test current. This part operates at 625nm dominant wavelength with 120mcd brightness and features a right-angle mounting configuration with clear domed lens. The 5988320107F is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	5988320107F
Manufacturer	Dialight
Color	Red
Wavelength - Dominant	625nm
Voltage - Forward (Vf) Typical	2V
Current - Test	20mA
Millicandela Rating	120mcd
Lens Style	Rectangle with Domed Top
Lens Size	2.00mm x 1.00mm
Mounting Type	Surface Mount, Right Angle
Package / Case	2-SMD, No Lead
Size / Dimension	3.20mm L x 1.50mm W
Height (Max)	1.00mm
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the 5988320107F are classified based on the following critical parameters that determine functional equivalence:

Primary Equivalence Criteria:

Color: Red
Mounting Type: Surface Mount, Right Angle
Lens Configuration: Rectangle with Domed Top, Clear
Lens Size: 2.00mm x 1.00mm
Height (Max): 1.00mm
Voltage - Forward (Vf) Typical: 2V or 2.1V (within acceptable operating range)
Current - Test: 20mA
Package Configuration: 2-SMD, No Lead or equivalent 1204 (3210 Metric)

Parametric Equivalent: The 5988320117F from Dialight maintains identical electrical and mechanical specifications with the primary distinction being packaging format (Tape & Reel versus Cut Tape) and active product status.

Similar Equivalents: The SM1204SRC, SM1204URC, SML-LXR85IC-TR, and SML-LXR85SIC-TR represent functional alternatives from Bivar Inc. and Lumex Opto/Components Inc. These parts share the same mounting type, lens configuration, and dimensional envelope while operating within compatible voltage and current parameters. Variations in millicandela rating, wavelength specifications, and viewing angle reflect design differences between manufacturers but remain suitable for equivalent circuit applications.

Parameter Comparison

Parameter	5988320107F (Main)	5988320117F	SM1204SRC	SM1204URC	SML-LXR85IC-TR	SML-LXR85SIC-TR
Manufacturer	Dialight	Dialight	Bivar Inc.	Bivar Inc.	Lumex Opto/Components Inc.	Lumex Opto/Components Inc.
Color	Red	Red	Red	Red	Red	Red
Voltage - Forward (Vf) Typical	2V	2V	2.1V	2.1V	2V	2V
Current - Test	20mA	20mA	20mA	20mA	20mA	20mA
Millicandela Rating	120mcd	120mcd	48mcd	115mcd	12mcd	70mcd
Wavelength - Dominant	625nm	625nm	640nm	631nm	—	—
Viewing Angle	160°	160°	110°	110°	130°	160°
Lens Style	Rectangle with Domed Top	Rectangle with Domed Top	Rectangle with Domed Top	Rectangle with Domed Top	Rectangle with Domed Top	Rectangle with Domed Top
Lens Size	2.00mm x 1.00mm	2.00mm x 1.00mm	2.00mm x 1.00mm	2.00mm x 1.00mm	2.00mm x 1.00mm	2.00mm x 1.00mm
Mounting Type	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle	Surface Mount, Right Angle
Size / Dimension	3.20mm L x 1.50mm W	3.20mm L x 1.50mm W	3.20mm L x 1.00mm W	3.20mm L x 1.00mm W	3.20mm L x 1.50mm W	3.20mm L x 1.50mm W
Height (Max)	1.00mm	1.00mm	1.00mm	1.00mm	1.00mm	1.00mm
Package / Case	2-SMD, No Lead	2-SMD, No Lead	1204 (3210 Metric)	1204 (3210 Metric)	2-SMD, No Lead	2-SMD, No Lead
Moisture Sensitivity Level (MSL)	3 (168 Hours)	3 (168 Hours)	4 (72 Hours)	4 (72 Hours)	2 (1 Year)	2A (4 Weeks)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

First Priority - Dialight 5988320117F: This part provides direct parametric equivalence to the 5988320107F with identical electrical specifications (2V forward voltage, 120mcd brightness, 625nm wavelength) and mechanical configuration. The primary distinction is active product status and Tape & Reel packaging format. This substitute is recommended for applications requiring exact performance matching and Dialight component continuity. ROHS3 compliance and equivalent MSL rating support long-term supply chain reliability.

Secondary Priority - SML-LXR85SIC-TR (Lumex Opto/Components Inc.): This part matches the 5988320107F in forward voltage (2V), viewing angle (160°), and dimensional envelope. The 70mcd brightness rating provides acceptable luminous intensity for most indication applications, though lower than the original 120mcd specification. ROHS3 compliance and superior moisture sensitivity rating (MSL 2A) support extended storage and handling. This substitute is suitable for applications where exact brightness matching is not critical.

Tertiary Priority - SM1204URC (Bivar Inc.): This part delivers 115mcd brightness approaching the original specification with compatible 2.1V forward voltage and 631nm wavelength. The 110° viewing angle represents a narrower field compared to the 160° original specification. ROHS3 compliance is confirmed, though REACH status indicates affected materials requiring regulatory review. This substitute is appropriate for applications tolerating reduced viewing angle and requiring brightness levels near the original design.

Not Recommended - SM1204SRC and SML-LXR85IC-TR: The SM1204SRC provides only 48mcd brightness, significantly below the 120mcd original specification. The SML-LXR85IC-TR delivers only 12mcd brightness, unsuitable for equivalent indication applications. These parts are listed as available alternatives but do not meet the electrical performance requirements of the primary application.

Frequently Asked Questions (FAQ)

Q: Can the 5988320117F directly replace the 5988320107F in production?

A: Yes. The 5988320117F is a parametric equivalent with identical electrical and mechanical specifications. The primary difference is packaging format (Tape & Reel versus Cut Tape) and active product status. No circuit modifications are required.

Q: What are the key differences between Dialight and Bivar/Lumex substitutes?

A: Dialight 5988320117F maintains exact performance specifications. Bivar SM1204 series parts operate at 2.1V forward voltage (versus 2V) and feature 1204 package dimensions with reduced width (1.00mm versus 1.50mm). Lumex SML-LXR85 series parts maintain 2V forward voltage and 1208 package dimensions but vary in brightness and wavelength specifications. All maintain compatible mounting type and lens configuration.

Q: Are there brightness differences between substitutes?

A: Yes. The original 5988320107F and 5988320117F both deliver 120mcd. The SM1204URC provides 115mcd (95% of original), SML-LXR85SIC-TR provides 70mcd (58% of original), SM1204SRC provides 48mcd (40% of original), and SML-LXR85IC-TR provides 12mcd (10% of original). Application brightness requirements determine acceptable substitutes.

Q: Do package dimension differences affect PCB layout?

A: The Bivar SM1204 series features reduced width (1.00mm versus 1.50mm) while maintaining identical length (3.20mm) and height (1.00mm). Lumex SML-LXR85 series maintains the original 1208 dimensions (3.20mm L x 1.50mm W). PCB footprint compatibility must be verified for Bivar substitutes.

Q: What is the significance of MSL ratings for these parts?

A: Moisture Sensitivity Level (MSL) indicates maximum storage duration at specified humidity before component degradation. The original 5988320107F and 5988320117F specify MSL 3 (168 hours). Lumex SML-LXR85 series parts specify MSL 2 or 2A (superior moisture protection), while Bivar SM1204 series specify MSL 4 (72 hours, more restrictive). Storage and handling procedures must align with the selected substitute's MSL rating.

Q: Are all substitutes ROHS3 compliant?

A: All active substitutes listed (5988320117F, SM1204SRC, SM1204URC, SML-LXR85IC-TR, SML-LXR85SIC-TR) are ROHS3 compliant. The original 5988320107F does not specify RoHS status due to obsolete classification.

Q: What viewing angle differences exist between substitutes?

A: The original 5988320107F and direct equivalents (5988320117F, SML-LXR85SIC-TR) specify 160° viewing angle. The Bivar SM1204 series (SM1204SRC, SM1204URC) specify 110° viewing angle, representing a narrower field of view. The SML-LXR85IC-TR specifies 130° viewing angle. Application visibility requirements determine acceptable viewing angle specifications.

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