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GDS08S DIP Switch Equivalent & Substitute Parts
Part Overview
The GDS08S is an 8-position surface mount DIP switch manufactured by TE Connectivity ALCOSWITCH Switches. This component is a single-pole single-throw (SPST) slide actuator switch rated for 25mA at 24VDC, designed for applications requiring compact, reliable switching functionality with gold-plated copper alloy contacts.
The GDS08S carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | SPST (Single-Pole Single-Throw) |
| Number of Positions | 8 |
| Current Rating | 25mA |
| Voltage Rating | 24VDC |
| Actuator Type | Slide (Standard) |
| Mounting Type | Surface Mount |
| Termination Style | Gull Wing |
| Contact Material | Copper Alloy |
| Contact Finish | Gold |
| Operating Temperature Range | -30°C to 85°C |
| Body Material | Polyphenylene Sulfide (PPS) |
| Pitch | 0.100" (2.54mm) |
| Height Above Board | 0.114" (2.90mm) |
| Length | 0.794" (20.17mm) |
| Mechanical Life | 1,000 Cycles |
| Electrical Life | 1,000 Cycles |
Substitute Part Grouping Explanation
Substitution of the GDS08S is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications in the following categories:
Electrical Parameters: Circuit configuration (SPST), number of positions (8), current rating (25mA), and voltage rating (24VDC) must be identical.
Mechanical Parameters: Actuator type (Slide Standard), mounting type (Surface Mount), termination style (Gull Wing), pitch (0.100"), and height above board (0.114") must be identical.
Material Specifications: Contact material (Copper Alloy), contact finish (Gold), and body material (Polyphenylene Sulfide) must be identical.
Environmental Specifications: Operating temperature range (-30°C to 85°C), mechanical life (1,000 cycles), and electrical life (1,000 cycles) must be identical.
The GDS08S04 meets all these criteria and is classified as a direct substitute.
Parameter Comparison
| Parameter | GDS08S (Main Part) | GDS08S04 (Substitute) | Match |
|---|---|---|---|
| Manufacturer | TE Connectivity ALCOSWITCH Switches | TE Connectivity ALCOSWITCH Switches | Yes |
| Series | GDS | GDS | Yes |
| Circuit Configuration | SPST | SPST | Yes |
| Number of Positions | 8 | 8 | Yes |
| Current Rating | 25mA | 25mA | Yes |
| Voltage Rating | 24VDC | 24VDC | Yes |
| Actuator Type | Slide (Standard) | Slide (Standard) | Yes |
| Actuator Level | Flush, Recessed | Flush, Recessed | Yes |
| Contact Material | Copper Alloy | Copper Alloy | Yes |
| Contact Finish | Gold | Gold | Yes |
| Height Above Board | 0.114" (2.90mm) | 0.114" (2.90mm) | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Termination Style | Gull Wing | Gull Wing | Yes |
| Pitch | 0.100" (2.54mm) | 0.100" (2.54mm) | Yes |
| Washable | Yes | Yes | Yes |
| Features | Tape Seal | Tape Seal | Yes |
| Operating Temperature | -30°C to 85°C | -30°C to 85°C | Yes |
| Body Material | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) | Yes |
| Length | 0.794" (20.17mm) | 0.794" (20.17mm) | Yes |
| Mechanical Life | 1,000 Cycles | 1,000 Cycles | Yes |
| Electrical Life | 1,000 Cycles | 1,000 Cycles | Yes |
| Base Product Number | GDS08 | GDS08 | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
| ECCN | EAR99 | EAR99 | Yes |
| HTSUS | 8536.50.9065 | 8536.50.9065 | Yes |
| Product Status | Obsolete | Active | Different |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Different |
| Packaging | Not specified | Tube | Different |
Engineering Selection Recommendations
The GDS08S04 is the direct substitute for the GDS08S. Both components share identical electrical and mechanical specifications, ensuring functional equivalence in circuit applications.
Product Status Consideration: The GDS08S carries an obsolete status, while the GDS08S04 is active. Selection of the GDS08S04 ensures access to current manufacturing, ongoing availability, and supply chain continuity.
Compliance Consideration: The GDS08S04 is ROHS3 compliant, whereas the GDS08S is RoHS non-compliant. For applications subject to RoHS regulations or environmental compliance requirements, the GDS08S04 is the appropriate selection. Both components maintain REACH Unaffected status and EAR99 export classification.
Packaging Consideration: The GDS08S04 is supplied in Tube packaging, which may differ from the original GDS08S packaging specification. Tube packaging is standard for surface mount DIP switches and presents no functional impact on component performance or circuit integration.
For new designs, production continuity, or compliance-driven applications, the GDS08S04 is the recommended selection.
Frequently Asked Questions (FAQ)
Q: Can the GDS08S04 be used as a direct replacement for the GDS08S in existing designs?
A: Yes. The GDS08S04 is electrically and mechanically identical to the GDS08S. All critical parameters including circuit configuration, current and voltage ratings, actuator type, mounting specifications, and environmental operating range are equivalent. The component functions identically in circuit applications.
Q: What is the difference between the GDS08S and GDS08S04?
A: The primary differences are product status, RoHS compliance, and packaging. The GDS08S is obsolete and RoHS non-compliant, while the GDS08S04 is active and ROHS3 compliant. The GDS08S04 is supplied in Tube packaging. All electrical and mechanical specifications are identical.
Q: Why is the GDS08S obsolete?
A: The GDS08S carries an obsolete product status as designated by TE Connectivity. The GDS08S04 is the active equivalent and recommended for all applications.
Q: Does the Tube packaging of the GDS08S04 affect component performance?
A: No. Tube packaging is a standard delivery format for surface mount DIP switches and does not affect electrical performance, mechanical characteristics, or circuit functionality. Packaging differences are logistical only.
Q: Is the GDS08S04 RoHS compliant?
A: Yes. The GDS08S04 is ROHS3 compliant. The original GDS08S is RoHS non-compliant. For applications requiring RoHS compliance, the GDS08S04 is the appropriate selection.
Q: Are there any other substitutes for the GDS08S besides the GDS08S04?
A: Based on the provided specifications, the GDS08S04 is the identified direct substitute. Both components share the same base product number (GDS08) and are manufactured by TE Connectivity ALCOSWITCH Switches.
Q: What is the Moisture Sensitivity Level (MSL) for both parts?
A: Both the GDS08S and GDS08S04 have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
Q: Can the GDS08S04 be used in applications with operating temperatures below -30°C or above 85°C?
A: No. The GDS08S04 is rated for operation within the -30°C to 85°C temperature range. Applications requiring operation outside this range require alternative component selection.
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