DN6853-A Equivalent & Substitute Parts

Part Overview

The DN6853-A is a bipolar magnetic switch manufactured by Panasonic Electronic Components, utilizing Hall Effect technology for digital switching applications. This component features open collector output and operates across a supply voltage range of 3.6V to 16V with a sensing range of ±30mT. The product is currently obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and component procurement.

Substiute Parts

DN6853-A

Panasonic Electronic ComponentsIn Stock: 742DN6853-A Datasheet

Current PartRFQ

US1881EUA-AAA-000-BU

Melexis Technologies NVIn Stock: 37858US1881EUA-AAA-000-BU Datasheet

SimilarRFQ

US1881LUA-AAA-000-BU

Melexis Technologies NVIn Stock: 2513US1881LUA-AAA-000-BU Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DN6853-A is determined by the following critical parameters:

Technology Match: Hall Effect magnetic sensing technology is required for functional equivalence.

Output Configuration: The open collector output type is a primary substitution criterion. However, open drain output (functionally equivalent in most circuit topologies) is acceptable as an alternative.

Switching Function: Bipolar or latch switching functions are compatible, as both provide digital output states in response to magnetic field detection.

Voltage Supply Range: Substitute parts must support the operational voltage window of 3.6V to 16V. Parts with extended supply ranges (4.6V ~ 24V) are compatible.

Mounting and Package: Through-hole mounting is required. The 3-SSIP package of the DN6853-A is compatible with TO-92-3 packages, as both are through-hole configurations suitable for equivalent circuit integration.

Operating Temperature: The DN6853-A operates from -40°C to 85°C. Substitute parts with equal or extended temperature ranges are acceptable.

Sensing Range and Polarization: While the DN6853-A specifies North Pole polarization with ±30mT sensing, substitute parts with South Pole polarization and different trip/release thresholds (9.5mT) represent functional alternatives for applications where magnetic field orientation and sensitivity can be accommodated in the design.

Parameter Comparison

Engineering Selection Recommendations

Both US1881EUA-AAA-000-BU and US1881LUA-AAA-000-BU are active products manufactured by Melexis Technologies NV and represent viable substitutes for the obsolete DN6853-A.

US1881EUA-AAA-000-BU is suitable for applications requiring operation up to 85°C ambient temperature, matching the thermal envelope of the original DN6853-A. This part maintains ROHS3 compliance and is available in high inventory (37,804 units).

US1881LUA-AAA-000-BU extends the operating temperature range to 150°C, providing thermal margin for high-temperature applications. This variant is also ROHS3 compliant and addresses regulatory requirements where the original non-compliant DN6853-A cannot be used. Inventory availability is lower (2,492 units) but remains adequate for production requirements.

Both substitutes feature open drain output (functionally equivalent to open collector in most circuit implementations), extended supply voltage range (4.6V ~ 24V), and increased output current capability (50mA versus 10µA). These characteristics provide design flexibility and improved performance margins in replacement applications.

Frequently Asked Questions (FAQ)

Q: Can US1881EUA-AAA-000-BU and US1881LUA-AAA-000-BU be used interchangeably with DN6853-A?

A: Both Melexis parts are functionally equivalent substitutes. The primary difference is operating temperature range. US1881EUA-AAA-000-BU operates to 85°C, while US1881LUA-AAA-000-BU operates to 150°C. Selection depends on the thermal requirements of your application.

Q: What is the difference between open collector and open drain output?

A: Both output types are functionally equivalent in digital switching applications. Open collector is the bipolar junction transistor implementation, while open drain is the field-effect transistor equivalent. Circuit behavior and pull-up resistor requirements are identical.

Q: Does the change from North Pole to South Pole polarization affect circuit compatibility?

A: Polarization determines the magnetic field direction that triggers the sensor. If your application uses a fixed magnet orientation, the substitute part's South Pole sensitivity must align with your magnet placement. Consult your magnetic field configuration to confirm compatibility.

Q: Are the sensing range differences (±30mT versus 9.5mT) significant?

A: Yes. The DN6853-A requires ±30mT to trip and release, while the US1881 variants require only 9.5mT. This means the Melexis parts are more sensitive. Verify that your magnetic field strength and application geometry accommodate the lower threshold.

Q: Why do the substitute parts have higher output current capability (50mA versus 10µA)?

A: The US1881 series is designed for direct load driving in addition to logic-level signaling. This increased capability provides design flexibility but does not affect compatibility with circuits designed for the lower 10µA output of the DN6853-A.

Q: Are there package compatibility considerations?

A: Both substitutes use TO-92-3 through-hole packages, which are mechanically and electrically compatible with the 3-SSIP package of the DN6853-A. Pin-to-pin correspondence must be verified during circuit board redesign.

Q: What is the RoHS compliance impact?

A: The DN6853-A is RoHS non-compliant. Both US1881 variants are ROHS3 compliant, meeting current environmental and regulatory standards. This is advantageous for new designs and applications subject to RoHS requirements.