Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for 48ASSP3S4M2RBT
Part Overview
The Grayhill Inc. 48ASSP3S4M2RBT is an active-status slide switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 0.4VA at 20V AC/DC. This through-hole mounted component features a standard polyamide actuator with gold-plated copper alloy contacts and epoxy sealed terminals. The switch is designed for On-Off-On applications with 30,000 electrical life cycles and operates across a temperature range of -30°C to 85°C.
Equivalent and substitute parts are identified based on matching circuit topology, mounting configuration, termination style, and electrical performance parameters. Alternative models may be required due to inventory availability, specific actuator geometry requirements, or enhanced electrical ratings for particular application demands.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 48ASSP3S4M2RBT |
| Manufacturer | Grayhill Inc. |
| Series | 48A |
| Circuit Configuration | SPDT |
| Switch Function | On-Off-On |
| Current Rating | 0.4VA (AC/DC) |
| Voltage Rating - AC | 20 V |
| Voltage Rating - DC | 20 V |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Contact Material | Copper Alloy |
| Contact Finish | Gold |
| Actuator Material | Polyamide (PA), Nylon |
| Actuator Length | 3.56mm |
| Switch Travel | 2.16mm |
| Operating Temperature Range | -30°C ~ 85°C |
| Electrical Life | 30,000 Cycles |
| Product Status | Active |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the 48ASSP3S4M2RBT slide switch are identified based on the following critical parameters that determine functional equivalence:
Matching Parameters (Required for Direct Substitution):
- Circuit configuration: SPDT
- Switch function: On-Off-On
- Mounting type: Through Hole
- Termination style: PC Pin
- Actuator material: Polyamide (PA), Nylon
- Switch travel: 2.16mm
- RoHS compliance: ROHS3 Compliant
- MSL rating: 1 (Unlimited)
Allowable Variation Parameters:
- Current rating: Substitutes may have equal or higher current capacity
- Voltage rating: Substitutes must meet or exceed the 20V AC/DC requirement
- Actuator length: Variation permitted based on mechanical envelope requirements
- Contact material and finish: Variation permitted (copper, copper alloy; gold, silver plating)
- Operating temperature range: Substitutes must cover the minimum required operating window
- Electrical life cycles: Substitutes may have equal or higher cycle ratings
- Inventory availability: Substitutes are selected from active-status products with confirmed stock
Parameter Comparison
| Parameter | 48ASSP3S4M2RBT (Grayhill) | 1103M2S3CBE2 (C&K) | 1103M2S3CQE2 (C&K) | 500SSP3S1M2QEA (E-Switch) |
|---|---|---|---|---|
| Circuit Configuration | SPDT | SPDT | SPDT | SPDT |
| Switch Function | On-Off-On | On-Off-On | On-Off-On | On-Off-On |
| Current Rating (AC/DC) | 0.4VA | 0.4VA | 6A | 5A |
| Voltage Rating - AC | 20 V | 20 V | 120 V | 120 V |
| Voltage Rating - DC | 20 V | 20 V | 28 V | 28 V |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination Style | PC Pin | PC Pin | PC Pin | PC Pin |
| Contact Material | Copper Alloy | Copper | Copper | Copper Alloy |
| Contact Finish | Gold | Gold | Silver | Silver |
| Actuator Length | 3.56mm | 5.08mm | 5.08mm | 5.08mm |
| Actuator Material | Polyamide (PA), Nylon | Polyamide (PA), Nylon | Polyamide (PA), Nylon | Polyamide (PA), Nylon |
| Switch Travel | 2.16mm | 2.16mm | 2.16mm | 2.16mm |
| Operating Temperature Range | -30°C ~ 85°C | -30°C ~ 65°C | -30°C ~ 65°C | -30°C ~ 85°C |
| Electrical Life | 30,000 Cycles | 100,000 Cycles | 40,000 Cycles | 30,000 Cycles |
| Product Status | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Direct Electrical Equivalent (Matching Ratings):
The C&K 1103M2S3CBE2 provides the closest electrical match to the 48ASSP3S4M2RBT, with identical current (0.4VA) and voltage ratings (20V AC/DC). Both components feature SPDT circuit topology, On-Off-On switching function, through-hole mounting, and PC pin termination. The 1103M2S3CBE2 offers enhanced electrical life (100,000 cycles versus 30,000 cycles) and maintains ROHS3 compliance and MSL 1 rating. The primary difference is actuator length (5.08mm versus 3.56mm), which requires mechanical envelope verification for the target application.
Higher-Rated Alternatives:
The C&K 1103M2S3CQE2 and E-Switch 500SSP3S1M2QEA provide elevated electrical ratings (6A and 5A respectively, with 120V AC capability) while maintaining SPDT circuit configuration and through-hole PC pin termination. These components are suitable for applications requiring higher current-switching capacity or extended voltage margins. Both are active-status products with confirmed inventory and full regulatory compliance.
Temperature Operating Range Consideration:
The 48ASSP3S4M2RBT and E-Switch 500SSP3S1M2QEA both support the extended temperature range of -30°C to 85°C. The C&K 1103M2S3CBE2 and 1103M2S3CQE2 are rated to -30°C to 65°C, which may limit suitability for applications requiring operation above 65°C.
Compliance and Availability:
All substitute parts maintain active product status, ROHS3 compliance, MSL 1 rating, and REACH unaffected status. Inventory availability is confirmed for all alternatives.
Frequently Asked Questions (FAQ)
Q: Can the C&K 1103M2S3CBE2 be used as a direct replacement for the 48ASSP3S4M2RBT?
A: The 1103M2S3CBE2 is electrically equivalent with matching 0.4VA current and 20V voltage ratings, identical SPDT circuit topology, and equivalent switching function. Both feature through-hole PC pin termination and polyamide actuators with 2.16mm travel. The primary difference is actuator length (5.08mm versus 3.56mm). Mechanical envelope compatibility must be verified for the specific application before substitution.
Q: What is the difference between the C&K 1103M2S3CBE2 and 1103M2S3CQE2?
A: The 1103M2S3CBE2 is rated for 0.4VA at 20V AC/DC with gold-plated contacts and 100,000 electrical life cycles. The 1103M2S3CQE2 is rated for 6A at 120V AC and 28V DC with silver-plated contacts and 40,000 electrical life cycles. Both share identical circuit topology, mounting configuration, and switch travel. Selection depends on the required current and voltage specifications for the application.
Q: Are all substitute parts RoHS compliant?
A: Yes. The 48ASSP3S4M2RBT and all listed substitute parts (1103M2S3CBE2, 1103M2S3CQE2, and 500SSP3S1M2QEA) are ROHS3 compliant with MSL 1 rating and REACH unaffected status.
Q: Which substitute part has the longest electrical life?
A: The C&K 1103M2S3CBE2 is rated for 100,000 electrical life cycles, compared to 30,000 cycles for the 48ASSP3S4M2RBT and 500SSP3S1M2QEA, and 40,000 cycles for the 1103M2S3CQE2.
Q: What is the impact of actuator length variation?
A: The 48ASSP3S4M2RBT has a 3.56mm actuator length, while all substitute parts feature 5.08mm actuators. This 1.52mm difference affects the mechanical envelope and may impact panel cutout dimensions, actuator accessibility, and overall switch profile. Mechanical compatibility must be confirmed for the target application before substitution.
Q: Can the higher-rated E-Switch 500SSP3S1M2QEA be used in a low-current application designed for the 48ASSP3S4M2RBT?
A: Yes. The 500SSP3S1M2QEA is rated for 5A at 120V AC and 28V DC, which exceeds the 0.4VA at 20V requirements of the 48ASSP3S4M2RBT. Higher-rated components are suitable for lower-current applications. Both components share identical SPDT circuit topology, On-Off-On switching function, through-hole PC pin termination, and extended operating temperature range (-30°C to 85°C).
Q: Which substitute part is best for high-temperature applications?
A: Both the 48ASSP3S4M2RBT and E-Switch 500SSP3S1M2QEA support operation to 85°C. The C&K 1103M2S3CBE2 and 1103M2S3CQE2 are rated to 65°C maximum. For applications requiring operation above 65°C, the 500SSP3S1M2QEA is the appropriate substitute.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts


