SEN-17151 Capacitive Fingerprint Sensor UART Output Equivalent & Substitute Parts

Part Overview

The SEN-17151 is a capacitive fingerprint sensor with UART output manufactured by SparkFun Electronics. This component is designed for biometric authentication applications requiring fingerprint recognition and identification through capacitive sensing technology with serial communication interface.

The SEN-17151 has reached obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this sensor.

Substiute Parts

SEN-17151

SparkFun ElectronicsIn Stock: 759SEN-17151 Datasheet

Current PartRFQ

SEN0348

DFRobotIn Stock: 1011SEN0348 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SEN-17151 are identified based on functional and electrical equivalence within the capacitive fingerprint sensor category. The following parameters determine substitution eligibility:

Primary Substitution Criteria:

• Sensor Type: Capacitive, Fingerprint
• Output Type: UART
• Moisture Sensitivity Level: 1 (Unlimited)
• Packaging: Bulk
• HTSUS Classification: 8471.60.8000

Secondary Compatibility Factors:

• Operating Temperature Range compatibility
• RoHS compliance status
• ECCN classification

Parts meeting these criteria are functionally equivalent for UART-based fingerprint sensing applications and can replace the SEN-17151 in compatible system designs.

Parameter Comparison

Engineering Selection Recommendations

SEN0348 (DFRobot) as Primary Substitute:

The SEN0348 is an active product with full functional equivalence to the obsolete SEN-17151. Both components share identical sensor type (Capacitive, Fingerprint), output interface (UART), and moisture sensitivity classification. The SEN0348 provides ROHS3 compliance, which the SEN-17151 does not specify, making it suitable for applications with environmental or regulatory compliance requirements.

Operating Temperature Consideration:

The SEN-17151 operates across -40°C to 80°C, while the SEN0348 operates across -40°C to 60°C. Applications requiring operation above 60°C must evaluate thermal requirements against the SEN0348 specifications. For standard ambient and controlled environment applications, the SEN0348 temperature range is sufficient.

Supply Chain Status:

The SEN0348 is currently in active production with confirmed inventory availability (958 units), whereas the SEN-17151 is obsolete. Selection of the SEN0348 ensures long-term component availability and ongoing manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the SEN0348 directly replace the SEN-17151 in existing designs?

A: The SEN0348 is functionally equivalent for UART-based fingerprint sensing applications. Both components share identical sensor type, output interface, and moisture sensitivity classification. Verify that your application's operating temperature requirements fall within the SEN0348 range (-40°C to 60°C). No design modifications are required for standard implementations.

Q: What is the significance of the operating temperature difference between these parts?

A: The SEN-17151 supports operation to 80°C, while the SEN0348 supports operation to 60°C. If your application requires sustained operation above 60°C, the SEN0348 may not be suitable. For applications operating within -40°C to 60°C, both parts are equivalent.

Q: Does the SEN0348 meet RoHS compliance requirements?

A: Yes, the SEN0348 is ROHS3 compliant. The SEN-17151 does not specify RoHS status. If your application or market requires RoHS certification, the SEN0348 satisfies this requirement.

Q: Are there any packaging differences between these parts?

A: Both the SEN-17151 and SEN0348 are supplied in bulk packaging. No packaging conversion or adaptation is necessary for substitution.

Q: What is the ECCN classification for these fingerprint sensors?

A: Both the SEN-17151 and SEN0348 are classified under ECCN EAR99, indicating they are subject to standard export control regulations. No special licensing is required for standard commercial distribution.