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CD08RM0SK Equivalent & Substitute Parts
Part Overview
The CD08RM0SK is an octal rotary DIP switch manufactured by C&K, designed for surface mount applications requiring tool actuation. This component features an 8-position rotary actuator with 0.4VA current rating at 20VAC/DC, suitable for configuration and selection applications in electronic assemblies.
The CD08RM0SK is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing production requirements, field replacements, and design continuity for systems currently utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | Octal (8 Position) |
| Current Rating | 0.4VA |
| Voltage Rating | 20VAC/DC |
| Actuator Type | Rotary for Tool |
| Mounting Type | Surface Mount |
| Contact Material | Copper Alloy with Gold Finish |
| Operating Temperature Range | -25°C to 85°C |
| Mechanical/Electrical Life | 12,000 Steps |
| Height Above Board | 0.168" (4.27mm) |
| Pitch | 0.100" (2.54mm) |
Substitute Part Grouping Explanation
Substitution of the CD08RM0SK is based on electrical and mechanical parameter equivalence within the C&K CD series rotary DIP switch family. The substitute part CD08RM0SB maintains identical specifications across all critical parameters: 8-position octal configuration, 0.4VA current rating, 20VAC/DC voltage rating, rotary tool actuator, surface mount termination, copper alloy gold-plated contacts, and identical mechanical dimensions and life ratings.
The primary distinction between these parts is product status and compliance certification. The CD08RM0SK is obsolete, while CD08RM0SB is active production. Additionally, CD08RM0SB carries RoHS3 compliance, whereas CD08RM0SK is RoHS non-compliant.
Parameter Comparison
| Parameter | CD08RM0SK (Main Part) | CD08RM0SB (Substitute) |
|---|---|---|
| Manufacturer | C&K | C&K |
| Series | CD | CD |
| Circuit | Octal | Octal |
| Number of Positions | 8 | 8 |
| Current Rating | 0.4VA | 0.4VA |
| Voltage Rating | 20VAC/DC | 20VAC/DC |
| Actuator Type | Rotary for Tool | Rotary for Tool |
| Actuator Level | Flush, Recessed | Flush, Recessed |
| Contact Material | Copper Alloy | Copper Alloy |
| Contact Finish | Gold | Gold |
| Height Above Board | 0.168" (4.27mm) | 0.168" (4.27mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Termination Style | Gull Wing | Gull Wing |
| Pitch | 0.100" (2.54mm), Full | 0.100" (2.54mm), Full |
| Washable | Yes | Yes |
| Features | Process Sealed | Process Sealed |
| Operating Temperature | -25°C to 85°C | -25°C to 85°C |
| Body Material | Polyphenylene Sulfide (PPS) | Polyphenylene Sulfide (PPS) |
| Length | 0.315" (8.00mm) | 0.315" (8.00mm) |
| Mechanical Life | 12,000 Steps | 12,000 Steps |
| Electrical Life | 12,000 Steps | 12,000 Steps |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | RoHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8536.50.9065 | 8536.50.9065 |
Engineering Selection Recommendations
CD08RM0SB is the direct substitute for CD08RM0SK. Both parts are electrically and mechanically identical, with identical pinout, footprint, and performance characteristics. Selection between these parts is determined by compliance and availability requirements.
For new designs or production requiring regulatory compliance, CD08RM0SB is the appropriate selection due to its active product status and RoHS3 compliance certification. CD08RM0SB is currently in active production with 2706 units in stock inventory.
For legacy system support or field replacement of existing CD08RM0SK installations, CD08RM0SB provides full functional and physical compatibility without design modification or PCB rework.
Frequently Asked Questions (FAQ)
Q: Can CD08RM0SB be used as a direct replacement for CD08RM0SK without PCB modification?
A: Yes. CD08RM0SB is physically and electrically identical to CD08RM0SK. Identical footprint, pitch, height, and termination style allow direct substitution without PCB redesign or component rework.
Q: What is the primary difference between CD08RM0SK and CD08RM0SB?
A: Product status and compliance certification. CD08RM0SK is obsolete and RoHS non-compliant. CD08RM0SB is active production and RoHS3 compliant. All electrical and mechanical specifications are identical.
Q: Are there packaging differences between these parts?
A: CD08RM0SK is supplied with dash packaging notation. CD08RM0SB is supplied in Tube packaging. Both parts are identical in component form and function; packaging differs only in shipment and storage configuration.
Q: What is the MSL rating for both parts?
A: Both CD08RM0SK and CD08RM0SB carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for storage or handling.
Q: Are both parts suitable for washable PCB assembly processes?
A: Yes. Both CD08RM0SK and CD08RM0SB are marked as washable and feature process-sealed construction, suitable for aqueous and semi-aqueous cleaning processes.
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