Dialight 5912101007F LED Circuit Board Indicator - Equivalent & Substitute Parts

Part Overview

The Dialight 5912101007F is a Surface Mount, Right Angle LED Circuit Board Indicator featuring a 3mm round domed lens in red. This component is classified as Obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates at 1.75V with a 10mA current rating and delivers 18mcd brightness at a 40° viewing angle. Due to its obsolete status, equivalent parts from the same manufacturer series are necessary to maintain design functionality in active production environments.

Substiute Parts

5912101007F
DialightIn Stock: 8265912101007F Datasheet
5912101007F
Current Part
5912101007NF
DialightIn Stock: 7485912101007NF Datasheet
5912101007NF
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Key Parameters

Parameter Value
Manufacturer Part Number 5912101007F
Manufacturer Dialight
Series 591
Product Status Obsolete
Color Red
Wavelength - Peak 645nm
Configuration Single
Current Rating 10mA
Millicandela Rating 18mcd
Viewing Angle 40°
Lens Style Round with Domed Top
Lens Size 3mm, T-1
Voltage Rating 1.75V
Mounting Type Surface Mount, Right Angle
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 2 (1 Year)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the Dialight 5912101007F is determined by the following critical parameters:

  • Mounting Type: Surface Mount, Right Angle configuration must be maintained for PCB compatibility
  • Color & Wavelength: Red spectrum (645nm peak) ensures visual consistency in indicator applications
  • Configuration: Single LED configuration for direct functional replacement
  • Lens Style & Size: Round domed lens geometry affects optical performance and mechanical fit
  • Electrical Ratings: Voltage (1.75V) and current (10mA) determine circuit compatibility and power requirements
  • Compliance: RoHS3 and REACH compliance ensure regulatory alignment with current manufacturing standards

The Dialight 5912101007NF qualifies as a substitute based on shared mounting type, color, configuration, lens style, and compliance certifications. Variations in lens size (2.85mm vs. 3mm), electrical ratings (1.85V/20mA vs. 1.75V/10mA), and brightness output (34mcd vs. 18mcd) represent design trade-offs that must be evaluated within specific application contexts.

Parameter Comparison

Parameter 5912101007F (Main Part) 5912101007NF (Substitute)
Manufacturer Dialight Dialight
Series 591 591
Product Status Obsolete Active
Color Red Red
Wavelength - Peak 645nm 655nm
Configuration Single Single
Current Rating 10mA 20mA
Millicandela Rating 18mcd 34mcd
Viewing Angle 40° 40°
Lens Style Round with Domed Top Round with Domed Top
Lens Size 3mm, T-1 2.85mm Dia
Voltage Rating 1.75V 1.85V
Mounting Type Surface Mount, Right Angle Surface Mount, Right Angle
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 2 (1 Year) 2 (1 Year)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The Dialight 5912101007NF is an active production substitute for the obsolete 5912101007F. Both components maintain identical compliance certifications (ROHS3 Compliant, REACH Unaffected) and moisture sensitivity ratings (MSL 2, 1 Year), ensuring regulatory and environmental compatibility.

The substitute part differs in electrical and optical specifications: the 5912101007NF operates at 1.85V with 20mA current and delivers 34mcd brightness, compared to the original 1.75V/10mA/18mcd configuration. The lens size is reduced from 3mm to 2.85mm diameter. These differences require circuit-level evaluation to determine suitability for specific applications. The substitute's higher brightness and current rating may necessitate circuit modifications to maintain original performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the Dialight 5912101007NF directly replace the 5912101007F without circuit modifications?

A: Direct replacement depends on application requirements. Both parts share identical mounting type (Surface Mount, Right Angle), color (Red), configuration (Single), lens style (Round with Domed Top), and compliance certifications. However, the substitute operates at different electrical ratings (1.85V/20mA vs. 1.75V/10mA) and delivers higher brightness (34mcd vs. 18mcd). Circuit evaluation is necessary to confirm compatibility.

Q: What are the key differences between these two parts?

A: The primary differences are lens size (2.85mm vs. 3mm), voltage rating (1.85V vs. 1.75V), current rating (20mA vs. 10mA), wavelength (655nm vs. 645nm), and brightness output (34mcd vs. 18mcd). The substitute part is in active production status, whereas the original is obsolete.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the 5912101007F and 5912101007NF are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: What is the packaging difference between these parts?

A: The main part (5912101007F) is listed with standard packaging, while the substitute (5912101007NF) is supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount production.

Q: How do the viewing angles compare?

A: Both parts maintain an identical 40° viewing angle, ensuring consistent optical performance in indicator applications.

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