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M83504/01-022 Equivalent & Substitute Parts Reference
Part Overview
The M83504/01-022 is a DIP rocker switch manufactured by Grayhill Inc., designed for through-hole PCB mounting applications requiring SPST (Single Pole Single Throw) switching functionality. This component operates at 150mA and 30VDC, featuring a raised rocker actuator with gold-plated copper alloy contacts.
The M83504/01-022 carries an Obsolete product status. Locating equivalent substitute parts is necessary to support ongoing maintenance, repair, and legacy system support where this component remains in service or where design continuity is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Grayhill Inc. |
| Series | 76 |
| Circuit Configuration | SPST |
| Number of Positions | 2 |
| Current Rating | 150mA |
| Voltage Rating | 30VDC |
| Actuator Type | Rocker (Raised) |
| Contact Material | Copper Alloy with Gold Finish |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Pitch | 0.100" (2.54mm) |
| Height Above Board | 0.315" (8.00mm) |
| Operating Temperature Range | -40°C to 85°C |
| Mechanical Life | 2,000 Cycles |
| Electrical Life | 2,000 Cycles |
Substitute Part Grouping Explanation
Substitution eligibility for the M83504/01-022 is determined by strict equivalence across the following critical parameters:
Electrical Parameters: Circuit configuration (SPST), number of positions (2), current rating (150mA), and voltage rating (30VDC) must be identical.
Mechanical Parameters: Actuator type (rocker), actuator level (raised), mounting type (through hole), termination style (PC pin), and pitch (0.100"/2.54mm) must match exactly.
Physical Dimensions: Height above board (0.315"/8.00mm) and length (0.280"/7.11mm) must be equivalent to ensure PCB layout compatibility.
Contact Specifications: Contact material (copper alloy) and contact finish (gold) must be maintained for electrical performance and reliability.
Environmental Specifications: Operating temperature range (-40°C to 85°C), mechanical life (2,000 cycles), and electrical life (2,000 cycles) must be met or exceeded.
The 76SB02ST qualifies as a direct substitute based on full alignment with all these parameters.
Parameter Comparison
| Parameter | M83504/01-022 | 76SB02ST | Match Status |
|---|---|---|---|
| Manufacturer | Grayhill Inc. | Grayhill Inc. | Identical |
| Series | 76 | 76 | Identical |
| Circuit Configuration | SPST | SPST | Identical |
| Number of Positions | 2 | 2 | Identical |
| Current Rating | 150mA | 150mA | Identical |
| Voltage Rating | 30VDC | 30VDC | Identical |
| Actuator Type | Rocker (Raised) | Rocker (Raised) | Identical |
| Contact Material | Copper Alloy | Copper Alloy | Identical |
| Contact Finish | Gold | Gold | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Termination Style | PC Pin | PC Pin | Identical |
| Pitch | 0.100" (2.54mm) | 0.100" (2.54mm) | Identical |
| Height Above Board | 0.315" (8.00mm) | 0.315" (8.00mm) | Identical |
| Length | 0.280" (7.11mm) | 0.280" (7.11mm) | Identical |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | Identical |
| Mechanical Life | 2,000 Cycles | 2,000 Cycles | Identical |
| Electrical Life | 2,000 Cycles | 2,000 Cycles | Identical |
| Washable | Yes | Yes | Identical |
| Features | Tape Seal | Tape Seal | Identical |
| Product Status | Obsolete | Active | Substitute is Active |
| RoHS Status | RoHS Non-Compliant | RoHS3 Compliant | Substitute offers improved compliance |
Engineering Selection Recommendations
The 76SB02ST is a direct functional and mechanical equivalent to the M83504/01-022. All electrical and physical parameters align precisely, ensuring drop-in compatibility in PCB designs and assemblies.
Product Status Consideration: The M83504/01-022 is classified as Obsolete, while the 76SB02ST maintains Active product status. This distinction is significant for long-term supply chain planning and component availability.
Compliance Advantage: The 76SB02ST achieves RoHS3 compliance, whereas the M83504/01-022 is RoHS non-compliant. For applications subject to RoHS regulations or environmental compliance requirements, the 76SB02ST provides regulatory alignment.
Packaging Difference: The M83504/01-022 is supplied with tape seal packaging, while the 76SB02ST is supplied in tube packaging. Both packaging formats are standard for through-hole components and do not affect functional performance.
Supply Availability: The 76SB02ST demonstrates significantly higher inventory availability (6,228 pieces in stock) compared to the M83504/01-022 (894 pieces in stock), supporting consistent procurement for production and maintenance applications.
Frequently Asked Questions (FAQ)
Q: Can the 76SB02ST be used as a direct replacement for the M83504/01-022 in existing designs?
A: Yes. The 76SB02ST is electrically and mechanically equivalent. All critical parameters including circuit configuration, current and voltage ratings, actuator type, mounting dimensions, and contact specifications are identical. No design modifications are required.
Q: What is the significance of the product status difference (Obsolete vs. Active)?
A: Product status indicates manufacturer support and supply continuity. The M83504/01-022 is Obsolete, meaning Grayhill Inc. no longer manufactures or actively supports this part number. The 76SB02ST is Active, ensuring ongoing availability and manufacturer support for future orders.
Q: Does the RoHS compliance difference affect electrical performance?
A: No. RoHS compliance relates to material composition and environmental regulations, not electrical performance. Both parts meet identical electrical specifications. The 76SB02ST's RoHS3 compliance is advantageous for applications subject to environmental regulations.
Q: Are the packaging differences (tape seal vs. tube) significant for component selection?
A: Packaging format does not affect component functionality or performance. Tape seal and tube packaging are both standard for through-hole DIP switches. Selection between them depends on assembly process requirements and handling preferences.
Q: What parameters must remain identical for substitution to be valid?
A: Circuit configuration (SPST), number of positions (2), current rating (150mA), voltage rating (30VDC), actuator type (rocker, raised), mounting type (through hole), termination style (PC pin), pitch (0.100"/2.54mm), height above board (0.315"/8.00mm), contact material (copper alloy), and contact finish (gold) must all be identical.
Q: Is the 76SB02ST suitable for new designs?
A: Yes. The 76SB02ST is an Active product with full manufacturer support, making it the appropriate choice for new designs requiring SPST DIP switch functionality at 150mA and 30VDC with through-hole mounting.
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