AH3365Q-P-B Equivalent & Substitute Parts

Part Overview

The AH3365Q-P-B is a unipolar Hall effect magnetic switch manufactured by Diodes Incorporated, designed for digital switching applications requiring magnetic field detection. This component operates as an open drain switch with a sensing range of 10mT trip and 8mT release, suitable for automotive-grade applications. The part is currently in Last Time Buy status, making identification of equivalent substitute components essential for design continuity and long-term supply chain planning.

Substiute Parts

AH3365Q-P-B

Diodes IncorporatedIn Stock: 5153AH3365Q-P-B Datasheet

Current PartRFQ

AH3325Q-P-B

Diodes IncorporatedIn Stock: 861AH3325Q-P-B Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AH3365Q-P-B is determined by strict alignment of the following critical parameters:

Mandatory Compatibility Parameters:

• Function: Unipolar Switch
• Technology: Hall Effect
• Polarization: South Pole
• Output Type: Open Drain
• Voltage Supply Range: 3V ~ 28V (minimum requirement)
• Current Output (Max): 60mA (minimum requirement)
• Operating Temperature Range: -40°C ~ 150°C (TA)
• Mounting Type: Through Hole
• Package / Case: 3-SIP

Allowed Variation Parameters:

• Sensing Range: Trip and release thresholds may vary within application tolerance
• Current Supply (Max): May vary if within acceptable operating envelope
• Features: Additional features such as temperature compensation are permissible

The AH3325Q-P-B meets all mandatory compatibility parameters and qualifies as a direct substitute for the AH3365Q-P-B.

Parameter Comparison

Engineering Selection Recommendations

The AH3325Q-P-B is qualified as a substitute for the AH3365Q-P-B based on the following engineering criteria:

Compliance & Certification: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in automotive and industrial applications.

Product Status Advantage: The AH3325Q-P-B carries Active product status, providing extended availability and supply chain stability compared to the Last Time Buy status of the AH3365Q-P-B. This substitution addresses long-term procurement requirements.

Electrical Compatibility: Identical voltage supply range (3V ~ 28V), current output maximum (60mA), and output type (Open Drain) ensure direct functional replacement in existing circuit designs.

Sensing Range Variation: The AH3325Q-P-B exhibits a higher trip threshold (12mT vs. 10mT) and lower release threshold (6mT vs. 8mT). This variation must be evaluated against application-specific magnetic field detection requirements to confirm compatibility.

Temperature Compensation Feature: The AH3325Q-P-B includes temperature compensation, providing enhanced stability across the full operating temperature range (-40°C ~ 150°C).

Frequently Asked Questions (FAQ)

Q: Can the AH3325Q-P-B directly replace the AH3365Q-P-B in existing designs?

A: The AH3325Q-P-B is electrically and mechanically compatible with the AH3365Q-P-B. Both components share identical voltage supply range, current output maximum, output type, operating temperature range, and 3-SIP package configuration. The primary design consideration is the difference in sensing range thresholds (12mT trip / 6mT release vs. 10mT trip / 8mT release). Verify that the application's magnetic field detection requirements accommodate this variation.

Q: What is the significance of the sensing range difference?

A: The AH3325Q-P-B requires a higher magnetic field strength (12mT) to activate compared to the AH3365Q-P-B (10mT), but releases at a lower threshold (6mT vs. 8mT). This affects the hysteresis window and magnetic field sensitivity profile. Applications with tight magnetic field tolerances must confirm compatibility with these thresholds.

Q: Why is the AH3365Q-P-B in Last Time Buy status?

A: Last Time Buy status indicates the manufacturer is discontinuing this part number. The AH3325Q-P-B, with Active status, represents the recommended path for continued supply and future design implementations.

Q: Are there any package or mounting differences?

A: Both parts use identical 3-SIP through-hole packaging. No PCB layout or mechanical modifications are required for substitution.

Q: What does temperature compensation mean on the AH3325Q-P-B?

A: Temperature compensation is an additional feature that maintains consistent switching performance across the full operating temperature range (-40°C ~ 150°C). This enhances reliability in applications subject to wide temperature variations.

Q: Are both parts automotive-grade?

A: The AH3365Q-P-B carries automotive grade with AEC-Q100 qualification. The AH3325Q-P-B specifications provided do not explicitly state automotive grade or AEC-Q100 qualification. Verify automotive compliance requirements with the manufacturer if this is a critical application parameter.