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76RGB04T Equivalent & Substitute Parts
Part Overview
The 76RGB04T is a DIP rocker switch manufactured by Grayhill Inc., configured as a single-pole single-throw (SPST) device with four positions. This component is rated for 150mA at 30VDC and features a through-hole mounting configuration with gold-plated copper alloy contacts. The 76RGB04T is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure ongoing component availability for production and repair applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Grayhill Inc. |
| Circuit Configuration | SPST |
| Number of Positions | 4 |
| Current Rating | 150mA |
| Voltage Rating | 30VDC |
| Actuator Type | Rocker |
| Actuator Level | Flush, Recessed |
| Contact Material | Copper Alloy |
| Contact Finish | Gold |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Pitch | 0.100" (2.54mm) |
| Height Above Board | 0.292" (7.41mm) |
| Length | 0.480" (12.19mm) |
| Operating Temperature Range | -40°C to 85°C |
| Mechanical Life | 2,000 Cycles |
| Electrical Life | 2,000 Cycles |
| Body Material | Thermoplastic |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
The 76RGB04T can be substituted with the 76RSB04ST based on electrical and mechanical parameter equivalence. Both components share identical specifications across all critical functional parameters: SPST circuit configuration, 4-position arrangement, 150mA current rating, 30VDC voltage rating, rocker actuator with flush/recessed actuation level, copper alloy contacts with gold finish, through-hole mounting with PC pin termination, 0.100" pitch, identical physical dimensions (0.292" height, 0.480" length), matching operating temperature range (-40°C to 85°C), and equivalent mechanical and electrical life ratings (2,000 cycles each).
The substitution is valid based on the following key parameters:
- Circuit topology (SPST)
- Electrical ratings (150mA, 30VDC)
- Physical form factor (rocker actuator, through-hole, PC pin)
- Dimensional compatibility (pitch, height, length)
- Contact material and finish specifications
- Operating environment range
- Lifecycle performance metrics
Parameter Comparison
| Parameter | 76RGB04T | 76RSB04ST | Match |
|---|---|---|---|
| Manufacturer | Grayhill Inc. | Grayhill Inc. | Yes |
| Circuit Configuration | SPST | SPST | Yes |
| Number of Positions | 4 | 4 | Yes |
| Current Rating (Amps) | 150mA | 150mA | Yes |
| Voltage Rating | 30VDC | 30VDC | Yes |
| Actuator Type | Rocker | Rocker | Yes |
| Actuator Level | Flush, Recessed | Flush, Recessed | Yes |
| Contact Material | Copper Alloy | Copper Alloy | Yes |
| Contact Finish | Gold | Gold | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Termination Style | PC Pin | PC Pin | Yes |
| Pitch | 0.100" (2.54mm) | 0.100" (2.54mm) | Yes |
| Height Above Board | 0.292" (7.41mm) | 0.292" (7.41mm) | Yes |
| Length | 0.480" (12.19mm) | 0.480" (12.19mm) | Yes |
| Operating Temperature Range | -40°C to 85°C | -40°C to 85°C | Yes |
| Mechanical Life | 2,000 Cycles | 2,000 Cycles | Yes |
| Electrical Life | 2,000 Cycles | 2,000 Cycles | Yes |
| Body Material | Thermoplastic | Thermoplastic | Yes |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Yes |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
| Product Status | Obsolete | Active | Functional Equivalence |
Engineering Selection Recommendations
The 76RSB04ST is the direct functional equivalent for the obsolete 76RGB04T. Both components are manufactured by Grayhill Inc. and maintain identical electrical and mechanical specifications across all critical parameters. The 76RSB04ST holds active product status, ensuring ongoing availability and manufacturer support.
From a compliance perspective, both components satisfy RoHS requirements. The 76RGB04T carries RoHS Compliant status, while the 76RSB04ST carries ROHS3 Compliant status, representing an enhanced compliance level. Both components maintain REACH Unaffected status and identical Moisture Sensitivity Level (MSL 1, Unlimited).
The 76RSB04ST is supplied in tube packaging with tape seal features, compared to the 76RGB04T which does not specify washable characteristics. The 76RSB04ST explicitly includes washable capability, providing additional process flexibility for manufacturing environments requiring cleaning operations.
For applications currently utilizing the 76RGB04T, direct substitution with the 76RSB04ST is supported by complete electrical and mechanical parameter equivalence. The active product status of the 76RSB04ST ensures component availability for new production and replacement requirements.
Frequently Asked Questions (FAQ)
Q: Can the 76RSB04ST directly replace the 76RGB04T in existing designs?
A: Yes. The 76RSB04ST provides complete functional equivalence to the 76RGB04T. All electrical ratings (150mA, 30VDC, SPST configuration), mechanical dimensions (0.292" height, 0.480" length, 0.100" pitch), actuator characteristics (rocker, flush/recessed), contact specifications (copper alloy, gold finish), and operating parameters (-40°C to 85°C, 2,000 cycle life) are identical between both components.
Q: What is the primary difference between the 76RGB04T and 76RSB04ST?
A: The primary difference is product status. The 76RGB04T is classified as obsolete, while the 76RSB04ST is active. Additionally, the 76RSB04ST includes washable capability and tape seal features, and carries ROHS3 Compliant status compared to the RoHS Compliant status of the 76RGB04T. These differences do not affect electrical or mechanical compatibility.
Q: Are there packaging differences between these components?
A: Yes. The 76RSB04ST is supplied in tube packaging with tape seal features. The 76RGB04T packaging specification is not detailed in the provided data. For applications with specific packaging requirements, the tube packaging of the 76RSB04ST should be confirmed as acceptable.
Q: Do both components meet current regulatory requirements?
A: Both components satisfy RoHS and REACH compliance requirements. The 76RSB04ST carries enhanced ROHS3 Compliant status, while the 76RGB04T carries RoHS Compliant status. Both maintain REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity rating.
Q: Is the 76RSB04ST washable, and does this affect compatibility?
A: The 76RSB04ST includes washable capability with tape seal features. The 76RGB04T does not specify washable characteristics. This difference provides additional process flexibility for the 76RSB04ST in manufacturing environments requiring cleaning operations, but does not prevent direct substitution in applications where washing is not performed.
Q: What inventory status should be considered for component selection?
A: The 76RGB04T has 1,094 pieces in stock with obsolete status. The 76RSB04ST has 5,809 pieces in stock with active status. For new designs and long-term production requirements, the 76RSB04ST is the appropriate selection due to its active product status and higher inventory availability.
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