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Equivalent & Substitute Parts for DHS8C (APEM Inc.)
Part Overview
The APEM Inc. DHS8C is a DIP switch in the DIP Switch SPST 8 Position Surface Mount category, featuring a slide (standard) actuator, 100mA current rating, and 6VDC voltage rating. The part is obsolete, necessitating identification of alternative models that maintain functional and compliance compatibility. Substitution is required to ensure consistent manufacturing, maintenance, and circuit design where the DHS8C was specified.
Substiute Parts
Key Parameters
| Parameter | DHS8C |
|---|---|
| Manufacturer | APEM Inc. |
| Manufacturer Part Number | DHS8C |
| Series | DHS |
| Circuit | SPST |
| Number of Positions | 8 |
| Current Rating (Amps) | 100mA |
| Voltage Rating | 6VDC |
| Actuator Type | Slide (Standard) |
| Actuator Level | Flush, Recessed |
| Contact Material | Beryllium Copper |
| Contact Finish | Gold |
| Height Above Board | 0.087" (2.20mm) |
| Mounting Type | Surface Mount |
| Termination Style | Gull Wing |
| Pitch | 0.050" (1.27mm), Half |
| Washable | Yes |
| Features | Tape Seal |
| Operating Temperature | -40°C ~ 80°C |
| Body Material | Polyphenylene Sulfide (PPS), Glass Filled |
| Length | 0.468" (11.89mm) |
| Electrical Life | 1,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitute parts for the DHS8C DIP switch are identified based strictly on matching or compatible values for the following controlled parameters: circuit configuration (SPST), number of positions (8), actuator type (slide, standard), actuator level (flush, recessed), mounting type (surface mount), termination style (gull wing), pitch (0.050"/1.27mm), washability (yes), voltage and current ratings, contact materials/finish, height above board, and compliance declarations (RoHS, MSL, REACH).
Parameter Comparison
| Parameter | DHS8C (APEM Inc.) |
DHS8-A (APEM Inc.) |
218-8LPST (CTS Elect.) |
|---|---|---|---|
| Manufacturer | APEM Inc. | APEM Inc. | CTS Electrocomponents |
| Manufacturer Part Number | DHS8C | DHS8-A | 218-8LPST |
| Series | DHS | DHS | 218 |
| Circuit | SPST | SPST | SPST |
| Number of Positions | 8 | 8 | 8 |
| Current Rating (Amps) | 100mA | 25mA | 25mA |
| Voltage Rating | 6VDC | 24VDC | 24VDC |
| Actuator Type | Slide (Standard) | Slide (Standard) | Slide (Standard) |
| Actuator Level | Flush, Recessed | Flush, Recessed | Flush, Recessed |
| Contact Material | Beryllium Copper | Copper Alloy | Beryllium Copper |
| Contact Finish | Gold | Gold | Gold |
| Height Above Board | 0.087" (2.20mm) | 0.087" (2.20mm) | 0.104" (2.65mm) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Termination Style | Gull Wing | Gull Wing | Gull Wing |
| Pitch | 0.050" (1.27mm), Half | 0.050" (1.27mm), Half | 0.050" (1.27mm), Half |
| Washable | Yes | Yes | Yes |
| Features | Tape Seal | - | Epoxy Sealed Terminals, Tape Seal |
| Operating Temperature | -40°C ~ 80°C | -40°C ~ 85°C | -55°C ~ 85°C |
| Length | 0.468" (11.89mm) | 0.444" (11.28mm) | 0.446" (11.33mm) |
| Electrical Life | 1,000 Cycles | 1,000 Cycles | 1,000 Cycles |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The DHS8C is obsolete. Both substitute parts, DHS8-A and 218-8LPST, are active and declare ROHS3 compliance, MSL 1 (Unlimited), and REACH Unaffected status. These substitutes maintain circuit configuration, package type, form factor, and electrical life consistent with DHS8C according to the provided parameters.
Frequently Asked Questions (FAQ)
Q1: What criteria determine if DHS8C can be substituted by another part?
A1: Substitute selection is based strictly on matching circuit configuration (SPST), switch positions (8), actuator type and level, surface mount gull wing termination, electrical ratings, dimensions, washability, and compliance declarations (RoHS, MSL, REACH).
Q2: Are there differences in mounting or size with substitute parts?
A2: Substitute parts DHS8-A and 218-8LPST have surface mount gull wing terminations with 0.050" (1.27mm) pitch. Length and height above board are comparable.
Q3: Do substitute parts have the same environmental and compliance status?
A3: All parts declare ROHS3 compliance, MSL 1, and REACH Unaffected status.
Q4: Is there any change in packaging between the original and substitutes?
A4: DHS8C packaging is Tape & Reel; 218-8LPST is packaged in tubes.
Q5: Do all parts share the same electrical life and cycle specification?
A5: All compared parts specify an electrical life of 1,000 cycles.
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