Equivalent & Substitute Parts for 2016L200PR

Part Overview

The 2016L200PR is a Polymeric PTC Resettable Fuse manufactured by Littelfuse Inc., rated for 6V maximum voltage and 2A hold current. This component is designed for surface mount applications in the 2016 (5041 Metric) package format with a concave profile. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this product category.

Substiute Parts

2016L200PR

Littelfuse Inc.In Stock: 190112016L200PR Datasheet

Current PartRFQ

MF-SMDF200-2

Bourns Inc.In Stock: 12202MF-SMDF200-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 2016L200PR are identified based on the following critical parameters that determine functional equivalence:

Current - Hold (Ih) (Max): The substitute must maintain the same 2A hold current specification to ensure identical circuit protection behavior.

Voltage - Max: The substitute voltage rating must be equal to or greater than 6V to support the same application voltage envelope.

Current - Trip (It): The trip current must be within acceptable tolerance to maintain consistent overcurrent response characteristics.

Resistance characteristics (Ri and R1): Initial and post-trip resistance values must remain within specified ranges to preserve circuit performance and thermal characteristics.

Operating Temperature Range: The substitute must support the full -40°C to 85°C operating window.

Mounting Type and Package Format: Surface mount compatibility and physical dimensions must align with PCB layout requirements.

Compliance and Certifications: RoHS3 compliance and regulatory approvals (cURus, TUV) must be maintained.

Parameter Comparison

Engineering Selection Recommendations

The MF-SMDF200-2 (Bourns Inc.) is listed as a substitute for the 2016L200PR based on matching hold current (2A) and maximum current (40A) specifications, identical operating temperature range, and equivalent RoHS3 compliance status.

Selection considerations based on provided specifications:

The substitute part features a higher voltage rating (10V vs. 6V), which is acceptable for applications designed for 6V operation and provides additional voltage margin.

The substitute exhibits a faster trip time (2.4s vs. 3s), which affects overcurrent response speed. Application requirements must accommodate this difference.

Initial resistance is lower in the substitute (30mOhms vs. 48mOhms), resulting in reduced voltage drop under normal operating conditions.

Package dimensions differ between the two parts. The substitute uses a 2018 (5045 Metric) package versus the 2016 (5041 Metric) package, with a 0.51mm width increase and 0.1mm thickness increase. PCB footprint compatibility must be verified before substitution.

The original 2016L200PR maintains documented approvals from cURus and TUV. The substitute part does not list specific approval agencies in the provided data.

Both parts maintain active product status and full RoHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the MF-SMDF200-2 be used as a direct replacement for the 2016L200PR?

A: The MF-SMDF200-2 shares the same hold current (2A) and maximum current (40A) ratings, identical operating temperature range, and equivalent compliance status. However, differences in package dimensions (2018 vs. 2016), trip time (2.4s vs. 3s), and initial resistance (30mOhms vs. 48mOhms) require verification that the application can accommodate these variations. PCB layout compatibility must be confirmed before substitution.

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

A: The substitute part has a higher voltage rating (10V vs. 6V), faster trip response (2.4s vs. 3s), and lower initial resistance (30mOhms vs. 48mOhms). The hold current and maximum current specifications are identical. These differences may affect circuit performance and must be evaluated against application requirements.

Q: Are the physical packages compatible?

A: No. The 2016L200PR uses a 2016 (5041 Metric) package measuring 0.200" L x 0.160" W x 0.030" thick. The MF-SMDF200-2 uses a 2018 (5045 Metric) package measuring 0.200" L x 0.180" W x 0.033" thick. The width and thickness are larger. PCB footprint design must accommodate these dimensional differences.

Q: Do both parts meet the same regulatory requirements?

A: Both parts are RoHS3 compliant. The 2016L200PR carries documented approvals from cURus and TUV. The MF-SMDF200-2 does not list specific approval agencies in the provided specifications. Regulatory requirements for your application must be verified.

Q: What is the impact of the different trip times?

A: The 2016L200PR trips in 3 seconds, while the MF-SMDF200-2 trips in 2.4 seconds. This 0.6-second difference affects how quickly the fuse responds to overcurrent conditions. Applications with specific timing requirements must evaluate whether the faster response is acceptable or problematic.

Q: How does the lower initial resistance of the substitute affect performance?

A: The MF-SMDF200-2 has an initial resistance of 30mOhms compared to 48mOhms for the 2016L200PR. Lower resistance results in reduced voltage drop across the fuse during normal operation, which may improve circuit efficiency but could also affect thermal management characteristics depending on the application design.