Laser Diode 650nm 5mW 12mm Diameter (Seeed 104990022) - Equivalent & Substitute Parts

Part Overview

The Seeed Technology Co., Ltd. model 104990022 is a 650nm laser diode rated at 5mW output power with a 12.0mm cylindrical package. This component operates at 3.5V to 4.5V input voltage with a 25mA current rating. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

104990022

Seeed Technology Co., LtdIn Stock: 1181104990022 Datasheet

Current PartRFQ

1054

CEC IndustriesIn Stock: 10881054 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part identified in the provided data is CEC Industries model 1054. However, a critical incompatibility exists between the main part and this substitute:

Main Part (104990022): Laser diode - semiconductor light source, 650nm wavelength, 5mW power output, operating voltage 3.5V-4.5V, current 25mA, cylindrical package 12.0mm diameter.

Substitute Part (1054): Incandescent lamp - RP-11 lens, BA15D bayonet base, 32V rated voltage, 0.74A current rating, optical output measured in mean spherical candle power (32 MSCP).

Substitution Logic Assessment: The substitute part operates on fundamentally different physical principles (incandescent emission versus laser coherent emission), has incompatible electrical specifications (32V versus 3.5-4.5V), uses a different package interface (bayonet base versus cylindrical), and produces non-coherent light output. These parts are not functionally equivalent for laser diode applications.

Parameter Comparison

Engineering Selection Recommendations

Based on the provided parameters, CEC Industries model 1054 does not constitute a valid substitute for Seeed 104990022. The electrical specifications, package interface, and operational principles are fundamentally incompatible.

For applications requiring a 650nm laser diode with 5mW output power and 3.5V-4.5V operating voltage in a 12.0mm cylindrical package, alternative laser diode sources from active manufacturers must be evaluated based on matching wavelength, power output, voltage rating, current rating, and package specifications.

The obsolete status of the main part necessitates component lifecycle management planning, including design revision, inventory assessment, and qualification of alternative laser diode sources that meet the original electrical and mechanical interface requirements.

Frequently Asked Questions (FAQ)

Q: Can CEC Industries 1054 replace Seeed 104990022 in existing designs?

A: No. The 1054 is an incandescent lamp with 32V operating voltage and bayonet base, whereas the 104990022 is a laser diode with 3.5V-4.5V operating voltage and 12.0mm cylindrical package. Direct substitution is not possible without complete circuit redesign and mechanical interface modification.

Q: What parameters must match for a valid laser diode substitute?

A: Critical parameters include wavelength (650nm), power output (5mW), operating voltage range (3.5V-4.5V), current rating (25mA), and package type (12.0mm cylinder). Any deviation in these specifications requires engineering evaluation for application compatibility.

Q: Why is the 104990022 listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. This necessitates identification of active alternative components or design modification to accommodate available laser diode sources.

Q: What is the significance of the EAR99 ECCN classification?

A: EAR99 indicates the component is subject to export control regulations under the Export Administration Regulations. Both the main part and listed substitute share this classification, but this does not establish functional equivalence.

Q: How should procurement proceed for this obsolete laser diode?

A: Procurement should identify active laser diode manufacturers offering 650nm wavelength, 5mW output, 3.5V-4.5V voltage rating, and 12.0mm cylindrical package specifications. Existing inventory should be assessed for lifecycle planning and design transition timelines.