AH337-PL-B Equivalent & Substitute Parts

Part Overview

The AH337-PL-B is a unipolar magnetic switch utilizing Hall Effect technology, manufactured by Diodes Incorporated. This component functions as a digital switch with open drain output, designed for applications requiring magnetic field detection with south pole polarization. The part is classified as obsolete, necessitating identification of equivalent alternatives for ongoing design support and procurement.

Substiute Parts

AH337-PL-B

Diodes IncorporatedIn Stock: 11777AH337-PL-B Datasheet

Current PartRFQ

AH337-PG-B

Diodes IncorporatedIn Stock: 1652AH337-PG-B Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AH337-PL-B is determined by strict equivalence across the following critical parameters:

• Magnetic Sensing Technology: Hall Effect unipolar switch operation
• Polarization Type: South pole detection capability
• Sensing Threshold: 15mT trip point and 3mT release point
• Electrical Characteristics: 4.2V to 28V supply voltage range, 4mA maximum supply current, 25mA maximum output current
• Output Configuration: Open drain output topology
• Temperature Performance: -40°C to 125°C operating range with temperature compensation
• Physical Form Factor: 3-SIP through-hole package
• Regulatory Compliance: ROHS3 compliance and REACH unaffected status

The AH337-PG-B meets all substitution criteria as a direct equivalent from the same manufacturer, differing only in packaging specification (bulk versus standard packaging).

Parameter Comparison

Engineering Selection Recommendations

Both the AH337-PL-B and AH337-PG-B are classified as obsolete products. Selection between these parts should be based on procurement availability and packaging requirements. The AH337-PG-B is specified with bulk packaging, which may affect handling and storage procedures compared to standard packaging. Both parts maintain identical electrical and functional specifications, ensuring direct substitution capability in circuit applications. ROHS3 compliance and REACH unaffected status are maintained across both variants, supporting regulatory requirements for current manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can AH337-PG-B directly replace AH337-PL-B in existing designs?

A: Yes. Both parts are functionally and electrically identical, with identical sensing thresholds, voltage ratings, current specifications, temperature range, and output characteristics. The only difference is packaging specification.

Q: What determines substitution compatibility for this magnetic sensor?

A: Substitution is valid when the alternative part maintains identical Hall Effect unipolar switch operation, south pole polarization, 15mT/3mT sensing thresholds, 4.2V-28V supply voltage, open drain output, -40°C to 125°C temperature range, and 3-SIP through-hole package form factor.

Q: Are there any compliance differences between the substitute parts?

A: No. Both AH337-PL-B and AH337-PG-B carry identical ROHS3 compliance and REACH unaffected status.

Q: How does packaging specification affect part selection?

A: Packaging specification (bulk versus standard) affects procurement quantities, storage conditions, and handling procedures, but does not impact electrical performance or functional operation. Selection should align with manufacturing process requirements and inventory management practices.

Q: What is the significance of the obsolete product status?

A: Obsolete status indicates these parts are no longer in active production. Procurement should prioritize available inventory from authorized distributors. Long-term design strategies may require evaluation of current-generation Hall Effect magnetic switch alternatives from Diodes Incorporated or other manufacturers.