Grayhill 76SB08 DIP Switch Equivalent & Substitute Parts

Part Overview

The Grayhill 76SB08 is an 8-position DIP switch with SPST circuit configuration, rocker actuator, and rated for 150mA at 30VDC. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The 76SB08 features through-hole mounting with PC pin termination, copper alloy contacts with gold finish, and operates across the temperature range of -40°C to 85°C.

Substiute Parts

76SB08

Grayhill Inc.In Stock: 119476SB08 Datasheet

Current PartRFQ

76SB08T

Grayhill Inc.In Stock: 128976SB08T Datasheet

DirectRFQ

206-8

CTS ElectrocomponentsIn Stock: 1164206-8 Datasheet

DirectRFQ

435640-5

TE Connectivity ALCOSWITCH SwitchesIn Stock: 690435640-5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 76SB08 is determined by the following critical parameters: circuit configuration (SPST), number of positions (8), mounting type (through hole), termination style (PC pin), and pitch (0.100"). Current and voltage ratings establish the upper operational limits; substitute parts must meet or exceed these specifications to ensure functional compatibility.

The substitute parts are grouped into two categories:

Direct Equivalent (Preferred): Parts that maintain identical electrical specifications and mechanical form factor, differing only in product status or packaging.

Functional Equivalent (Conditional): Parts that satisfy the core circuit and mounting requirements but may have reduced current ratings or different actuator types, suitable only when application constraints permit.

Parameter Comparison

Engineering Selection Recommendations

76SB08T (Grayhill Inc.): This is the primary substitute for the 76SB08. It maintains identical electrical specifications (150mA, 30VDC), mechanical form factor, and circuit configuration. The 76SB08T is an active product with RoHS3 compliance, addressing regulatory requirements that the obsolete 76SB08 does not meet. Packaging is supplied in tube format. This part is suitable for direct replacement in all applications where the 76SB08 was previously specified.

206-8 (CTS Electrocomponents): This part is a functional equivalent with reduced current rating (50mA versus 150mA) and lower voltage rating (24VDC versus 30VDC). The 206-8 features a slide actuator instead of rocker, and offers extended operating temperature range (-55°C to 85°C). This substitute is applicable only in applications where the reduced current and voltage specifications are acceptable. The 206-8 is RoHS3 compliant and active in production.

435640-5 (TE Connectivity ALCOSWITCH Switches): This part shares the rocker actuator type and 8-position SPST configuration but lacks specified current and voltage ratings in the provided data. The 435640-5 is an active product but remains RoHS non-compliant. Use of this substitute requires verification of electrical specifications against application requirements and is not recommended as a primary alternative.

Frequently Asked Questions (FAQ)

Q: Can the 76SB08T directly replace the 76SB08 in existing designs?

A: Yes. The 76SB08T maintains identical electrical ratings (150mA, 30VDC), circuit configuration (SPST), number of positions (8), mounting type (through hole), and mechanical dimensions. The primary difference is product status (active versus obsolete) and RoHS compliance. No circuit modifications are required.

Q: What are the limitations of using the 206-8 as a substitute?

A: The 206-8 has a reduced current rating of 50mA compared to the 76SB08's 150mA, and a lower voltage rating of 24VDC versus 30VDC. Additionally, the 206-8 uses a slide actuator rather than a rocker actuator. These differences make the 206-8 suitable only for applications with lower current and voltage requirements and where actuator type is not a design constraint.

Q: Does the 76SB08T meet RoHS requirements?

A: Yes. The 76SB08T is RoHS3 compliant, whereas the original 76SB08 is RoHS non-compliant. This makes the 76SB08T the appropriate choice for applications subject to RoHS regulations.

Q: What is the pitch specification, and why is it important for substitution?

A: The pitch is 0.100" (2.54mm), which defines the center-to-center spacing between switch positions on the PCB. All listed substitutes maintain this pitch, ensuring mechanical compatibility with existing PCB layouts. The 206-8 has a slightly increased height above board (0.334" versus 0.315"), which should be verified against available PCB clearance.

Q: Are there packaging differences between the main part and substitutes?

A: Yes. The 76SB08 is supplied in bulk packaging, while the 76SB08T is supplied in tube packaging. The 206-8 and 435640-5 are also supplied in tube and bulk formats respectively. Packaging format does not affect electrical or mechanical compatibility but may influence procurement and handling procedures.

Q: What is the mechanical life specification, and how does it affect part selection?

A: The 76SB08 and 76SB08T both specify 2,000 mechanical cycles. The 206-8 does not provide a mechanical life specification in the available data. Electrical life for the 206-8 is specified at 10,000 cycles, which exceeds the 2,000 cycles of the Grayhill parts. For applications requiring extended cycle life, the 206-8 may offer advantages despite lower electrical ratings.

Q: Can the 435640-5 be used as a substitute?

A: The 435640-5 shares the rocker actuator and 8-position SPST configuration. However, critical electrical specifications (current and voltage ratings) are not provided in the available data. Substitution with the 435640-5 requires independent verification of these specifications against application requirements and is not recommended without complete technical documentation.