AH1892-CD4-7 Equivalent & Substitute Parts

Part Overview

The AH1892-CD4-7 is an omnipolar Hall Effect magnetic switch manufactured by Diodes Incorporated, designed for digital switching applications requiring detection of both north and south magnetic poles. This component operates as a push-pull output device with programmable trip point functionality, suitable for surface mount integration in compact form factors. The part is currently in active production status with 1135 units available in new original inventory. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the allowed parameter ranges for this magnetic sensor category.

Substiute Parts

AH1892-CD4-7

Diodes IncorporatedIn Stock: 1199AH1892-CD4-7 Datasheet

Current PartRFQ

AH1898-CA4-7

Diodes IncorporatedIn Stock: 168215AH1898-CA4-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AH1892-CD4-7 is permissible when the alternative component maintains the following critical parameters:

• Function: Omnipolar Switch (detection of both north and south magnetic poles)
• Technology: Hall Effect
• Output Type: Push-Pull configuration
• Voltage Supply Range: 1.6V – 3.6V
• Current Output (Max): 2.5mA or greater
• Operating Temperature Range: -40°C to 85°C or wider
• Mounting Type: Surface Mount
• Product Status: Active
• Compliance: ROHS3 Compliant, REACH Unaffected

The AH1898-CA4-7 qualifies as a manufacturer-recommended substitute because it satisfies all critical electrical and mechanical parameters while offering improved supply current efficiency and enhanced moisture sensitivity characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the AH1892-CD4-7 and AH1898-CA4-7 maintain active product status with full ROHS3 compliance and REACH unaffected classification. The AH1898-CA4-7 demonstrates superior supply current efficiency at 8µA maximum compared to 2.1mA typical for the AH1892-CD4-7, while maintaining identical output current capability and voltage supply range. The AH1898-CA4-7 also provides improved moisture sensitivity with MSL 1 (Unlimited) versus MSL 3 (168 Hours), reducing handling and storage constraints. Both components are certified for identical operating temperature ranges and support equivalent push-pull output functionality for omnipolar magnetic switching applications.

Frequently Asked Questions (FAQ)

Q: Can the AH1898-CA4-7 directly replace the AH1892-CD4-7 in existing designs?

A: Yes, provided the physical package footprint is compatible. Both components use 4-UFBGA package classification but differ in supplier device packages (4-CSP versus U-WLB0808-4). PCB layout verification is required to confirm pad compatibility.

Q: What is the primary advantage of selecting the AH1898-CA4-7 as a substitute?

A: The AH1898-CA4-7 operates at significantly lower supply current (8µA maximum versus 2.1mA typical), reducing power consumption in battery-powered or energy-constrained applications. Additionally, MSL 1 rating eliminates moisture sensitivity handling restrictions.

Q: Are there any electrical performance differences between these parts?

A: Both components maintain identical voltage supply range (1.6V – 3.6V), output current capability (2.5mA maximum), and operating temperature range (-40°C to 85°C). The primary difference is supply current consumption, where the AH1898-CA4-7 is more efficient.

Q: What compliance certifications apply to both parts?

A: Both the AH1892-CD4-7 and AH1898-CA4-7 are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements for electronic component deployment.

Q: How do the package differences affect substitution?

A: The AH1892-CD4-7 uses 4-CSP (0.71x0.71) while the AH1898-CA4-7 uses U-WLB0808-4. Both are classified as 4-UFBGA packages but with different physical dimensions and pad layouts. Design verification is necessary to confirm PCB footprint compatibility before implementation.