Equivalent & Substitute Parts for Grayhill 90HBW07P DIP Switch

Part Overview

The Grayhill 90HBW07P is a surface mount DIP switch with SPST (Single Pole Single Throw) configuration, 7-position slide actuator, rated for 25mA at 24VDC. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design support and procurement continuity. Substitute parts must maintain functional compatibility within the electrical and mechanical constraints of the original application.

Substiute Parts

90HBW07P

Grayhill Inc.In Stock: 114790HBW07P Datasheet

Current PartRFQ

90HBW07PT

Grayhill Inc.In Stock: 117690HBW07PT Datasheet

DirectRFQ

219-7LPST

CTS ElectrocomponentsIn Stock: 2241219-7LPST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration (SPST)
• Number of positions (7)
• Mounting type (Surface Mount)
• Pitch spacing (0.100" / 2.54mm)
• Termination style (Gull Wing)
• RoHS compliance status

Secondary Compatibility Criteria:

• Current rating must equal or exceed 25mA
• Voltage rating must equal or exceed 24VDC
• Operating temperature range must encompass -40°C ~ 85°C
• Actuator type (Slide Standard)

The 90HBW07P has two identified substitutes based on these parameters. The first substitute maintains identical electrical specifications from the same manufacturer. The second substitute provides enhanced electrical performance with different contact material and thermal characteristics.

Parameter Comparison

Engineering Selection Recommendations

90HBW07PT (Grayhill Inc.): This substitute is the primary equivalent for the obsolete 90HBW07P. It maintains identical electrical specifications (25mA, 24VDC), mechanical dimensions, and contact materials. The 90HBW07PT is currently in active production status with higher inventory availability (1136 pcs vs. 1045 pcs for the main part). Both components share the same base product number (90HB series) and identical RoHS3 compliance and REACH status. This substitute provides direct functional replacement with no design modifications required.

219-7LPST (CTS Electrocomponents): This substitute offers enhanced electrical performance with 100mA current rating and extended lower temperature operation (-55°C minimum vs. -40°C). However, the voltage rating is 20VDC, which is below the 24VDC specification of the main part. The 219-7LPST features beryllium copper contacts instead of copper alloy and superior moisture sensitivity rating (MSL 1 vs. MSL 3). This substitute is suitable only for applications where the 20VDC voltage rating is acceptable and the higher current capacity provides design margin. The reduced height above board (0.160" vs. 0.190") must be verified for PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can the 90HBW07PT directly replace the 90HBW07P without PCB layout modifications?

A: Yes. The 90HBW07PT maintains identical pitch (0.100"), termination style (Gull Wing), and height above board (0.190"). No PCB layout changes are required for direct substitution.

Q: Is the 219-7LPST suitable as a substitute for the 90HBW07P?

A: The 219-7LPST is functionally compatible for SPST 7-position switching applications with surface mount gull wing termination. However, the 20VDC voltage rating is below the 24VDC specification. Substitution is valid only if the application operates at 20VDC or lower. The reduced height above board (0.160" vs. 0.190") requires PCB layout verification.

Q: What are the key differences between the two substitute parts?

A: The 90HBW07PT is a direct manufacturer equivalent from Grayhill with identical electrical and mechanical specifications. The 219-7LPST is from a different manufacturer (CTS) with higher current capacity (100mA vs. 25mA), lower voltage rating (20VDC vs. 24VDC), different contact material (beryllium copper vs. copper alloy), and superior moisture sensitivity rating (MSL 1 vs. MSL 3).

Q: Are all three parts RoHS3 compliant?

A: Yes. The 90HBW07P, 90HBW07PT, and 219-7LPST are all ROHS3 compliant and REACH unaffected, meeting current environmental regulations.

Q: What is the moisture sensitivity level difference between the substitutes?

A: The 90HBW07P and 90HBW07PT both have MSL 3 rating (168-hour floor life). The 219-7LPST has MSL 1 rating (unlimited floor life), indicating superior moisture resistance and more flexible storage and handling requirements.

Q: Can the 219-7LPST be used in applications requiring 24VDC operation?

A: No. The 219-7LPST is rated for 20VDC maximum. Using it in a 24VDC circuit exceeds the component's voltage specification and is not permitted.

Q: What is the mechanical life specification for these parts?

A: The 90HBW07P and 90HBW07PT both specify 2,000 mechanical cycles. The 219-7LPST does not provide a mechanical life specification in the available data.