TFM-137-03-S-D-LCAlternatives & Equivalent Parts
About TFM-137-03-S-D-LC
TFM-137-03-S-D-LC is a Connector component manufactured by SAMTEC. 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 | TFM-137-03-S-D-LCSource | TFM-137-02-S-D-LC | TFM-137-01-L-D-RA | TFM-137-02-L-D |
|---|---|---|---|---|
| Manufacturer | SAMTEC | SAMTEC | SAMTEC | SAMTEC |
| Package Type | Other | Other | Other | Other |
| Pin Count | 74 | 74 | 74 | 74 |
| Temperature Range | — | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | — | $5.9298 | $6.1700 | $4.4012 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | — | 9.4 | 9.15 | 8.75 |
| Board Mounting Option | — | SPLIT BOARD LOCK | — | — |
| Body Breadth | — | 0.225 inch | 0.225 inch | 0.225 inch |
| Body Depth | — | 0.22 inch | 0.29 inch | — |
| Body Length | — | 2.225 inch | 1.975 inch | 1.975 inch |
| Connector Type | — | BOARD CONNECTOR | BOARD CONNECTOR | BOARD STACKING CONNECTOR |
| Contact Finish Mating | — | GOLD (30) OVER NICKEL (50) | GOLD OVER NICKEL | AU ON NI |
| Contact Finish Termination | — | Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | — | MALE | MALE | MALE |
| Contact Pattern | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Contact Style | — | SQ PIN-SKT | SQ PIN-SKT | SQ PIN-SKT |
| DIN Conformance | — | NO | NO | NO |
| Filter Feature | — | NO | NO | NO |
| IEC Conformance | — | NO | NO | NO |
| JESD-609 Code | — | e3 | e3 | e3 |
| MIL Conformance | — | NO | NO | NO |
| Mating Contact Pitch | — | 0.05 inch | 0.05 inch | 0.05 inch |
| Mating Contact Row Spacing | — | 0.05 inch | 0.05 inch | 0.05 inch |
| Mixed Contacts | — | NO | NO | NO |
| Mounting Style | — | STRAIGHT | RIGHT ANGLE | STRAIGHT |
| Mounting Type | — | BOARD | BOARD | BOARD |
| Number Of Connectors | — | ONE | ONE | ONE |
| Number Of PCB Rows | — | 2 | 2 | 2 |
| Number of Rows Loaded | — | 2 | 2 | 2 |
| Option | — | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE |
| PCB Contact Pattern | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| PCB Contact Row Spacing | — | 3.429 mm | 1.27 mm | 1.27 mm |
| Plating Thickness | — | 30u inch | — | 15u inch |
| Rated Current (Signal) | — | 3.2 A | 3.2 A | 3.2 A |
| Terminal Pitch | — | 1.27 mm | 1.27 mm | 1.27 mm |
| Termination Type | — | SURFACE MOUNT | SOLDER | SURFACE MOUNT |
| Total Number of Contacts | — | 74 | 74 | 74 |
| UL Flammability Code | — | 94V-0 | 94V-0 | — |
| Pbfree Code | — | — | Yes | — |
| Contact Material | — | — | PHOSPHOR BRONZE | — |
| Insulator Color | — | — | — | BLACK |
| Insulator Material | — | — | — | LIQUID CRYSTAL POLYMER |
| Mounting Option 1 | — | — | — | GUIDE SLOT |
| Mounting Option 2 | — | — | — | LOCKING |
| Polarization Key | — | — | — | POLARIZED HOUSING |
| Reference Standard | — | — | — | UL, CSA |
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 TFM-137-03-S-D-LC — response within 24 hours.
Quick Links
Board Connector, 74 Contact(s), 2 Row(s), Male, Straight, 0.05 inch Pitch, Surface Mount Terminal
Board Connector, 74 Contact(s), 2 Row(s), Male, Right Angle, 0.05 inch Pitch, Solder Terminal
Board Stacking Connector, 74 Contact(s), 2 Row(s), Male, Straight, 0.05 inch Pitch, Surface Mount Terminal, Guide Slot, Black Insulator
Why Look for Alternatives?
Finding alternatives for TFM-137-03-S-D-LC 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 TFM-137-03-S-D-LC 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 TFM-137-03-S-D-LC?
Known equivalents for TFM-137-03-S-D-LC include TFM-137-02-S-D-LC, TFM-137-01-L-D-RA, TFM-137-02-L-D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of TFM-137-03-S-D-LC?
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 TFM-137-03-S-D-LC 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.