Littelfuse 59075-1-S-01-A Magnetic Reed Switch: Equivalent & Substitute Parts

Part Overview

The Littelfuse 59075-1-S-01-A is a magnetic reed switch sensor with SPST-NO (Single Pole Single Throw - Normally Open) output configuration. This component features wire leads termination and operates across a temperature range of -40°C to 105°C. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure ongoing component availability for production and field replacement applications.

Substiute Parts

59075-1-S-01-A

Littelfuse Inc.In Stock: 90959075-1-S-01-A Datasheet

Current PartRFQ

59075-1-S-02-A

LittelfuseIn Stock: 121459075-1-S-02-A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 59075-1-S-01-A is determined by strict equivalence across the following critical parameters:

• Output Type: SPST-NO configuration must be maintained
• Actuator Material: Magnet-actuated operation required
• Termination Style: Wire leads connection method
• Package / Case: Cylinder, threaded form factor
• Operating Temperature Range: -40°C to 105°C operational capability
• RoHS Compliance: ROHS3 compliant status
• Moisture Sensitivity Level: MSL 1 (Unlimited)

The Littelfuse 59075-1-S-02-A meets all substitution criteria as an active product within the same series, maintaining identical electrical and mechanical specifications while offering current manufacturing status and improved inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The 59075-1-S-02-A is the direct functional equivalent of the 59075-1-S-01-A. Both components share identical electrical and mechanical specifications, including SPST-NO output configuration, magnet actuation, wire lead termination, and operating temperature range. The primary distinction is product status: the 59075-1-S-02-A maintains active manufacturing status with current inventory availability (1162 pcs), whereas the 59075-1-S-01-A is obsolete. Both components maintain ROHS3 compliance and MSL 1 rating, satisfying regulatory and environmental requirements. Selection of the 59075-1-S-02-A ensures design continuity while securing long-term component availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can the 59075-1-S-02-A be used as a direct replacement for the 59075-1-S-01-A?

A: Yes. Both components are functionally equivalent across all specified electrical and mechanical parameters, including output type, actuator material, termination style, package configuration, and operating temperature range.

Q: What is the primary reason for substitution?

A: The 59075-1-S-01-A is classified as obsolete. The 59075-1-S-02-A provides an active equivalent with current manufacturing support and inventory availability.

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

A: No. Both components maintain identical ROHS3 compliance status and MSL 1 (Unlimited) moisture sensitivity rating.

Q: Does the wire lead termination remain unchanged?

A: Yes. Both the original and substitute components utilize wire leads as the termination method, maintaining identical connection requirements.

Q: Is the cylinder, threaded package configuration identical?

A: Yes. Both components feature the same cylinder, threaded package / case form factor, ensuring mechanical compatibility in existing designs.

Q: What is the operating temperature capability of the substitute part?

A: The 59075-1-S-02-A operates across the same temperature range as the original: -40°C to 105°C.