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SLB1370R Equivalent & Substitute Parts
Part Overview
The SLB1370R is a slide switch manufactured by APEM Inc., configured as a single-pole triple-throw (SP3T) switch with a 300mA current rating at 125V AC. This component features through-hole, right-angle mounting with PC pin termination and epoxy-sealed terminals. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and component procurement.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | SLB1370R |
| Manufacturer | APEM Inc. |
| Circuit Configuration | SP3T |
| Switch Function | On-On-On |
| Current Rating | 300mA (AC/DC) |
| Voltage Rating - AC | 125V |
| Voltage Rating - DC | 30V |
| Mounting Type | Through Hole, Right Angle |
| Termination Style | PC Pin |
| Operating Temperature Range | -20°C to 85°C |
| Electrical Life | 10,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the SLB1370R is determined by the following critical parameters:
- Circuit configuration must be SP3T
- Switch function must be On-On-On
- Current rating must support 300mA minimum
- Voltage rating must support 125V AC minimum
- Mounting type must be through-hole, right-angle configuration
- Termination style must be PC pin
- Operating temperature range must encompass -20°C to 85°C
- RoHS3 compliance required
The substitute part 1825256-3 (TE Connectivity ALCOSWITCH Switches, MHS series) meets all critical substitution criteria. This part maintains electrical equivalence through matching circuit topology, current capacity, voltage ratings, and mechanical mounting specifications. The substitute is classified as active product status, ensuring ongoing availability and supply chain continuity.
Parameter Comparison
| Parameter | SLB1370R (Main Part) | 1825256-3 (Substitute) | Compatibility |
|---|---|---|---|
| Circuit Configuration | SP3T | SP3T | Match |
| Switch Function | On-On-On | On-On-On | Match |
| Current Rating | 300mA (AC/DC) | 300mA (AC) | Match |
| Voltage Rating - AC | 125V | 125V | Match |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle | Match |
| Termination Style | PC Pin | PC Pin | Match |
| Operating Temperature Range | -20°C to 85°C | -20°C to 85°C | Match |
| Contact Finish | Silver | Silver | Match |
| Features | Epoxy Sealed Terminals | Epoxy Sealed Terminals | Match |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Match |
| Product Status | Obsolete | Active | Substitute is active |
| Actuator Length | 5.00mm | 4.50mm | Minor variation |
| Switch Travel | 2.30mm | 2.00mm | Minor variation |
| Electrical Life | 10,000 Cycles | 15,000 Cycles | Substitute exceeds specification |
Engineering Selection Recommendations
The 1825256-3 is a direct functional equivalent for the obsolete SLB1370R. Both components satisfy identical electrical requirements: SP3T circuit topology, 300mA current capacity, and 125V AC voltage rating. Both maintain through-hole, right-angle mounting with PC pin termination and epoxy-sealed construction.
Selection of the 1825256-3 is supported by:
- Active product status ensuring supply chain availability
- ROHS3 compliance matching the original part specification
- Identical operating temperature range (-20°C to 85°C)
- Equivalent contact finish (silver) and terminal sealing
- Superior electrical life rating (15,000 cycles versus 10,000 cycles)
Minor mechanical variations exist: the substitute features a 4.50mm actuator length compared to 5.00mm on the original, and 2.00mm switch travel versus 2.30mm. These variations remain within typical design tolerances for slide switch applications and do not affect electrical performance or circuit compatibility.
Frequently Asked Questions (FAQ)
Q: Can the 1825256-3 directly replace the SLB1370R in existing designs?
A: Yes. Both components share identical circuit configuration (SP3T), current rating (300mA), voltage rating (125V AC), mounting type (through-hole, right-angle), and termination style (PC pin). Electrical and mechanical compatibility is established.
Q: What are the differences between these two parts?
A: The primary differences are product status (SLB1370R is obsolete; 1825256-3 is active) and minor mechanical specifications. The substitute has a 4.50mm actuator length versus 5.00mm, and 2.00mm switch travel versus 2.30mm. The substitute also provides extended electrical life (15,000 cycles versus 10,000 cycles).
Q: Are there packaging differences?
A: The SLB1370R is supplied in standard packaging, while the 1825256-3 is supplied in bulk packaging. Both use PC pin termination suitable for through-hole PCB assembly.
Q: Do both parts meet RoHS requirements?
A: Yes. Both the SLB1370R and 1825256-3 are ROHS3 compliant and REACH unaffected.
Q: What is the operating temperature range for both parts?
A: Both components operate across -20°C to 85°C, ensuring compatibility in equivalent thermal environments.
Q: Why is the SLB1370R classified as obsolete?
A: Obsolete status indicates the part is no longer manufactured by APEM Inc. The 1825256-3 provides functional continuity for applications requiring SP3T slide switch functionality with equivalent electrical and mechanical specifications.
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