Equivalent & Substitute Parts for 48ASDP1S1M7RBT

Part Overview

The 48ASDP1S1M7RBT is a slide switch manufactured by Grayhill Inc., classified as a DPDT (Double Pole Double Throw) switch rated for 0.4VA at 20V. This component is a through-hole, right-angle vertical mounted switch with gold-plated copper alloy contacts and epoxy sealed terminals. The part maintains Active product status with 681 units in current inventory.

Substitute parts become necessary when the primary component reaches end-of-life status, supply constraints occur, or design requirements necessitate alternative electrical or mechanical specifications. The substitute parts listed below are NKK Switches models that share core DPDT switching architecture and through-hole mounting configuration.

Substiute Parts

48ASDP1S1M7RBT

Grayhill Inc.In Stock: 72648ASDP1S1M7RBT Datasheet

Current PartRFQ

MS22ASG40

NKK SwitchesIn Stock: 799MS22ASG40 Datasheet

SimilarRFQ

MS22BSG40

NKK SwitchesIn Stock: 1324MS22BSG40 Datasheet

SimilarRFQ

MS22BSW40

NKK SwitchesIn Stock: 1033MS22BSW40 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 48ASDP1S1M7RBT is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: DPDT
• Switch function: On-On
• Mounting type: Through Hole, Right Angle, Vertical
• Termination style: PC Pin
• Operating temperature range: -30°C to 85°C minimum
• Contact finish: Gold plating
• Features: Epoxy sealed terminals

Voltage and Current Considerations: Substitute parts must operate at or above the electrical ratings of the primary component. The 48ASDP1S1M7RBT operates at 0.4VA/20V. Substitutes with higher voltage ratings (28V, 125V) are electrically compatible for applications requiring 20V operation, as they represent derating scenarios. Substitutes with higher current ratings are compatible when voltage requirements remain within specified limits.

Physical Compatibility: Actuator length, switch travel, and mounting geometry must align with PCB layout requirements. Variations within 0.1mm of specified dimensions maintain mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

MS22ASG40 and MS22BSG40 (0.4VA, 28V Rating): These NKK Switches models provide direct functional equivalence to the 48ASDP1S1M7RBT for applications operating at 20V or below. Both parts maintain DPDT configuration, On-On switching function, and identical current ratings. The 28V voltage rating provides operational margin above the 20V requirement. Both parts feature Non-Shorting (BBM) contact timing and extended electrical life (50,000 cycles versus 30,000 cycles). MS22BSG40 is supplied in Tray packaging with higher inventory availability (1,250 units). Both parts carry ROHS3 compliance and MSL 1 rating. Product status is Obsolete for both models, indicating limited future availability.

MS22BSW40 (6A, 125V Rating): This NKK Switches model represents a higher-capacity alternative suitable for applications requiring increased current handling or higher voltage operation. The 6A AC rating and 125V AC rating exceed the 0.4VA/20V specification of the primary component. This part is appropriate only when circuit design permits operation at elevated voltage and current levels. The contact material differs (Silver Alloy with Silver finish versus Copper Alloy with Gold finish), which affects contact resistance and environmental performance characteristics. Electrical life is 25,000 cycles, below the primary component specification. Product status is Obsolete.

Compliance and Regulatory Status: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH Unaffected status, matching the primary component's regulatory profile. All parts carry EAR99 ECCN classification and identical HTSUS code (8536.50.9050).

Inventory and Availability: The primary component 48ASDP1S1M7RBT maintains Active status with 681 units in stock. Substitute parts are Obsolete, with MS22ASG40 (690 units), MS22BSG40 (1,250 units), and MS22BSW40 (952 units) available. Obsolete status indicates these parts may not be replenished after current inventory depletion.

Frequently Asked Questions (FAQ)

Q: Can MS22ASG40 or MS22BSG40 directly replace 48ASDP1S1M7RBT in existing designs?

A: Yes, for applications operating at 20V or below. Both parts share identical DPDT circuit configuration, On-On switching function, 0.4VA current rating, PC Pin termination, through-hole right-angle vertical mounting, and operating temperature range. Actuator length differs by 0.02mm (5.10mm versus 5.08mm) and switch travel by 0.04mm (2.20mm versus 2.16mm), which remain within typical PCB layout tolerances. Contact timing specification (Non-Shorting BBM) is documented for NKK parts but not specified for the primary component.

Q: What is the difference between MS22ASG40 and MS22BSG40?

A: Both parts are electrically and functionally identical. The primary difference is packaging: MS22ASG40 is supplied in Bulk packaging, while MS22BSG40 is supplied in Tray packaging. MS22BSG40 has higher inventory availability (1,250 units versus 690 units). Selection between these parts depends on procurement and assembly process requirements.

Q: When should MS22BSW40 be selected instead of MS22ASG40 or MS22BSG40?

A: MS22BSW40 is selected only when circuit requirements exceed 0.4VA at 20V. This part supports 6A AC at 125V AC, making it suitable for higher-power applications. The contact material is Silver Alloy with Silver finish rather than Copper with Gold finish, affecting contact resistance and corrosion resistance characteristics. Electrical life is 25,000 cycles, below the primary component and other substitutes. This part is not suitable for direct replacement in designs specified for 0.4VA/20V operation.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The primary component 48ASDP1S1M7RBT and all substitute parts (MS22ASG40, MS22BSG40, MS22BSW40) are ROHS3 compliant. All parts carry MSL 1 (Unlimited) rating and REACH Unaffected status.

Q: What is the significance of "Obsolete" product status for substitute parts?

A: Obsolete status indicates that NKK Switches has discontinued active production and support for MS22ASG40, MS22BSG40, and MS22BSW40. Current inventory is available, but these parts will not be replenished after stock depletion. For long-term production requirements, the Active-status primary component 48ASDP1S1M7RBT is the preferred selection. Substitute parts should be considered for near-term replacement needs or when primary component supply becomes constrained.

Q: Do substitute parts have higher electrical life ratings?

A: MS22ASG40 and MS22BSG40 specify 50,000 electrical life cycles, exceeding the primary component's 30,000 cycles. MS22BSW40 specifies 25,000 cycles, below the primary component. All NKK substitute parts specify 100,000 mechanical life cycles, while the primary component does not specify mechanical life. Extended electrical and mechanical life ratings for MS22ASG40 and MS22BSG40 provide operational margin for high-cycle applications.

Q: Are there packaging considerations when selecting substitutes?

A: Yes. MS22ASG40 is supplied in Bulk packaging, while MS22BSG40 is supplied in Tray packaging. Packaging selection affects handling, storage, and assembly process compatibility. Verify packaging requirements with procurement and manufacturing specifications before finalizing part selection.