MDSM-4R-12-18Alternatives & Equivalent Parts
About MDSM-4R-12-18
MDSM-4R-12-18 is a Switch component manufactured by LITTELFUSE. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | MDSM-4R-12-18Source | FLEX-14-10-15 | 103670-2 | 770170-1 |
|---|---|---|---|---|
| Manufacturer | LITTELFUSE | LITTELFUSE | TE Connectivity | TE Connectivity |
| Package Type | Other | Other | — | — |
| Pin Count | 2 | 2 | — | — |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -65.0°C ~ 105.0°C | -55.0°C ~ 105.0°C |
| Price | $0.7091 | $0.1860 | $0.4349 | $0.5354 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | No |
| YTEOL | 9.45 | 9.4 | 1 | 0 |
| Body Height | 15.24 mm | 14 mm | — | — |
| Body Length or Diameter | 2.28 mm | 2.28 mm | — | — |
| Contact (AC) Max Rating R Load | .35A@140VAC | .35A@140VAC | — | — |
| Contact Current(AC)-Max | 0.35 A | 0.35 A | — | — |
| Contact Current(DC)-Max | 0.5 A | 0.5 A | — | — |
| Contact (DC) Max Rating R Load | .5A@200VDC | .5A@200VDC | — | — |
| Contact Voltage(AC)-Max | 140 V | 140 V | — | — |
| Contact Voltage(DC)-Max | 200 V | 200 V | — | — |
| Mounting Feature | SURFACE MOUNT-STRAIGHT | THROUGH HOLE-STRAIGHT | — | — |
| Pull-in Value-Max | 18 AT | 15 AT | — | — |
| Pull-in Value-Min | 12 AT | 10 AT | — | — |
| Resonant Frequency-Nom | 3.9 kHz | 5.2 kHz | — | — |
| Sealing | HERMETICALLY SEALED | HERMETICALLY SEALED | — | — |
| Surface Mount | NO | NO | — | — |
| Switch Function | SPST | SPST | — | — |
| Switch Type | DRY REED SWITCH | DRY REED SWITCH | — | — |
| Termination Type | SOLDER | SOLDER | SOLDER | SOLDER |
| JESD-609 Code | — | e3 | e0 | e0 |
| Terminal Finish | — | TIN | — | — |
| Reach Compliance Code | — | — | Not Compliant | — |
| Factory Lead Time | — | — | 17 Weeks | 12 Weeks |
| Additional Feature | — | — | AMPMODU | — |
| Board Mounting Option | — | — | SOLDERABLE RETENTION CLIPS | BOARD LOCK |
| Body Breadth | — | — | 0.2 inch | 0.25 inch |
| Body Depth | — | — | 0.535 inch | 0.22 inch |
| Body Length | — | — | 0.4 inch | 0.702 inch |
| Body/Shell Style | — | — | RECEPTACLE | RECEPTACLE |
| Connector Type | — | — | BOARD CONNECTOR | RECTANGULAR POWER CONNECTOR |
| Contact Finish Mating | — | — | NOT APPLICABLE | NOT APPLICABLE |
| Contact Finish Termination | — | — | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Contact Gender | — | — | MALE | MALE |
| Contact Material | — | — | NOT APPLICABLE | NOT APPLICABLE |
| Contact Pattern | — | — | RECTANGULAR | RECTANGULAR |
| Contact Style | — | — | SQ PIN-SKT | RND PIN-SKT |
| DIN Conformance | — | — | NO | NO |
| EMI Shielded | — | — | NO | NO |
| Empty Shell | — | — | YES | YES |
| Filter Feature | — | — | NO | NO |
| IEC Conformance | — | — | NO | NO |
| Insulation Resistance | — | — | 5000000000 Ω | 100000000 Ω |
| Insulator Color | — | — | BLACK | WHITE |
| Insulator Material | — | — | POLYETHYLENE | POLYAMIDE |
| MIL Conformance | — | — | NO | NO |
| Mains Connector Rating | — | — | 3A | 9.5A |
| Mating Contact Pitch | — | — | 0.1 inch | — |
| Mating Information | — | — | MULTIPLE MATING PARTS AVAILABLE | — |
| Mixed Contacts | — | — | NO | NO |
| Mounting Option 1 | — | — | LATCH | DETENT |
| Mounting Style | — | — | STRAIGHT | STRAIGHT |
| Mounting Type | — | — | BOARD | BOARD |
| Number Of Connectors | — | — | ONE | ONE |
| Number Of PCB Rows | — | — | 1 | — |
| Number of Ports | — | — | 1 | 1 |
| Number of Rows Loaded | — | — | 1 | 1 |
| Option | — | — | GENERAL PURPOSE | GENERAL PURPOSE |
| PCB Contact Pattern | — | — | RECTANGULAR | — |
| Panel Mount | — | — | NO | NO |
| Plating Thickness | — | — | 15u inch | 250u inch |
| Polarization Key | — | — | DUAL POLARIZED | — |
| Rated Current (Signal) | — | — | 3 A | 9.5 A |
| Reference Standard | — | — | CSA, LR, U | CSA, UL |
| Terminal Length | — | — | 0.13 inch | 0.059 inch |
| Terminal Pitch | — | — | 2.54 mm | 4.14 mm |
| Total Number of Contacts | — | — | 3 | 3 |
| UL Flammability Code | — | — | 94V-0 | 94V-0 |
| Configuration Features: PCB Mount Orientation Vertical | — | — | Number of Rows 1 | — |
| Contact Features: PCB Contact Termination Area Plating Material Tin-Lead | — | — | Contact Mating Area Plating Material Gold | — |
| Contact Current Rating (Max) 3 AMP | — | — | Contact Base Material Brass | — |
| Contact Arrangement | — | — | — | S0P3 |
| Contact Resistance | — | — | — | 20 mΩ |
| Durability | — | — | — | 20 Cycles |
| Insulation Diameter-Min | — | — | — | 0.126 inch |
| Mounting Option 2 | — | — | — | LOCKING |
| Rated Voltage | — | — | — | 600 V |
| Withdrawl Force-Min | — | — | — | .6672 N |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for MDSM-4R-12-18 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MDSM-4R-12-18 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating MDSM-4R-12-18 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to MDSM-4R-12-18?
Known equivalents for MDSM-4R-12-18 include FLEX-14-10-15, 103670-2, 770170-1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MDSM-4R-12-18?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify MDSM-4R-12-18 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.