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SW GR501/10-15 AT Equivalent & Substitute Parts
Part Overview
The SW GR501/10-15 AT is a glass body reed switch manufactured by Standex-Meder Electronics, configured as a SPST-NO (Single Pole Single Throw - Normally Open) device. This through-hole mounted component operates at 500mA with a rated switching voltage of 200V AC/DC and 10W power capacity. The device features an operate range of 7–30AT with a release range of 4–9AT, making it suitable for magnetic actuation applications requiring reliable contact switching.
The SW GR501/10-15 AT is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | SPST-NO |
| Current - Switching | 500mA (AC/DC) |
| Voltage - Switching AC | 200V |
| Voltage - Switching DC | 200V |
| Power - Rated | 10W |
| Operate Range | 7–30AT |
| Release Range | 4–9AT |
| Operate Time | 0.5 ms |
| Release Time | 0.1 ms |
| Mounting Type | Through Hole |
| Termination Style | Axial |
| Operating Temperature Range | -40°C to 125°C |
| Current - Carry | 1A (AC/DC) |
| Type | Glass Body Reed |
Substitute Part Grouping Explanation
Substitution of the SW GR501/10-15 AT is determined by strict equivalence across the following critical parameters:
Electrical Parameters:
- Circuit configuration (SPST-NO)
- Switching current capacity (500mA AC/DC)
- Switching voltage rating (200V AC/DC)
- Rated power (10W)
- Operate and release ranges (7–30AT and 4–9AT respectively)
- Switching time characteristics (0.5 ms operate, 0.1 ms release)
- Current carry capacity (1A AC/DC)
Mechanical Parameters:
- Component type (Glass Body Reed)
- Mounting method (Through Hole)
- Termination style (Axial)
- Physical dimensions (2.126" overall length, 0.091" diameter body, 0.500" body length)
- Operating temperature range (-40°C to 125°C)
Environmental & Compliance Parameters:
- Moisture Sensitivity Level (MSL 1 - Unlimited)
- REACH compliance status
- ECCN classification
Substitute parts must match all electrical and mechanical parameters without deviation. Series designation and product status may differ, provided all functional and physical specifications remain identical.
Parameter Comparison
| Parameter | SW GR501/10-15 AT (Main Part) | SW GP501/10-15 AT (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Standex-Meder Electronics | Standex-Meder Electronics | Identical |
| Type | Glass Body Reed | Glass Body Reed | Identical |
| Circuit Configuration | SPST-NO | SPST-NO | Identical |
| Current - Switching | 500mA (AC/DC) | 500mA (AC/DC) | Identical |
| Voltage - Switching AC | 200V | 200V | Identical |
| Voltage - Switching DC | 200V | 200V | Identical |
| Power - Rated | 10W | 10W | Identical |
| Operate Range | 7–30AT | 7–30AT | Identical |
| Release Range | 4–9AT | 4–9AT | Identical |
| Operate Time | 0.5 ms | 0.5 ms | Identical |
| Release Time | 0.1 ms | 0.1 ms | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Termination Style | Axial | Axial | Identical |
| Length - Overall | 2.126" (54.00mm) | 2.126" (54.00mm) | Identical |
| Size - Body | 0.091" Dia × 0.500" L (2.30mm × 12.70mm) | 0.091" Dia × 0.500" L (2.30mm × 12.70mm) | Identical |
| Operating Temperature | -40°C to 125°C | -40°C to 125°C | Identical |
| Capacitance | 0.3 pF | 0.3 pF | Identical |
| Current - Carry | 1A (AC/DC) | 1A (AC/DC) | Identical |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | Identical |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
| ECCN | EAR99 | EAR99 | Identical |
| Product Status | Obsolete | Active | Different |
| Series | GR501 | GP501 | Different |
Engineering Selection Recommendations
The SW GP501/10-15 AT is a direct functional equivalent to the SW GR501/10-15 AT. Both components are manufactured by Standex-Meder Electronics and share identical electrical, mechanical, and environmental specifications across all critical parameters.
Key Advantages of SW GP501/10-15 AT:
The substitute part carries an Active product status, ensuring ongoing manufacturer support, availability, and supply chain continuity. The SW GR501/10-15 AT is classified as Obsolete, which presents supply risk and potential discontinuation of manufacturing support.
Both parts maintain identical compliance certifications: REACH Unaffected status and EAR99 ECCN classification. The substitute part includes RoHS3 Compliance certification, providing additional environmental regulatory alignment for applications subject to RoHS requirements.
Selection Basis:
Selection of SW GP501/10-15 AT over SW GR501/10-15 AT is justified on the basis of product lifecycle status and regulatory compliance. The Active status of the substitute part ensures long-term availability and manufacturer support. All functional parameters remain unchanged, permitting direct substitution without circuit redesign or performance modification.
Frequently Asked Questions (FAQ)
Q: Can SW GP501/10-15 AT be used as a direct replacement for SW GR501/10-15 AT in existing designs?
A: Yes. The SW GP501/10-15 AT is electrically and mechanically equivalent to the SW GR501/10-15 AT. All switching parameters, voltage ratings, current capacities, timing characteristics, and physical dimensions are identical. Direct substitution is permissible without circuit modification.
Q: What is the difference between the GR501 and GP501 series designations?
A: The series designation change reflects a product line evolution within Standex-Meder Electronics. The GP501 series represents the current production equivalent of the obsolete GR501 series. Functional specifications remain unchanged.
Q: Does the Active product status of SW GP501/10-15 AT affect compatibility?
A: No. Product status indicates manufacturing lifecycle and supply availability, not functional capability. The Active status of SW GP501/10-15 AT ensures continued availability and manufacturer support, whereas the Obsolete status of SW GR501/10-15 AT indicates discontinued production.
Q: Are there packaging differences between these parts?
A: The SW GR501/10-15 AT is listed with packaging designation "-" (unspecified). The SW GP501/10-15 AT is supplied in Bulk packaging. Both components use identical Through Hole mounting with Axial termination. Packaging format does not affect electrical or mechanical compatibility.
Q: Does the RoHS3 Compliance of SW GP501/10-15 AT create compatibility issues?
A: No. RoHS3 Compliance is an additional environmental certification that does not restrict functionality or compatibility. This certification indicates compliance with Restriction of Hazardous Substances regulations and is beneficial for applications subject to RoHS requirements.
Q: What are the critical parameters for confirming substitution eligibility?
A: Substitution eligibility is determined by matching: circuit configuration (SPST-NO), switching current (500mA AC/DC), switching voltage (200V AC/DC), rated power (10W), operate/release ranges (7–30AT / 4–9AT), mounting type (Through Hole), termination style (Axial), and operating temperature range (-40°C to 125°C). All parameters must match exactly.
Q: Can SW GP501/10-15 AT be used in applications requiring the exact GR501 series designation?
A: Series designation is a product line identifier and does not determine functional compatibility. If application requirements specify functional parameters rather than series designation, SW GP501/10-15 AT is suitable. If design documentation explicitly requires GR501 series components, engineering review is necessary to confirm whether series designation is a functional requirement or a historical reference.
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