LSHM-120-04.0-L-DV-A-S-TR SAMTEC Connector (Other) In Stock
SAMTEC LSHM-120-04.0-L-DV-A-S-TR is a 40-position dual-row board stacking connector with 4.0 mm stack height, gold mating contacts, and matte tin termination on a compact 0.589 inch body, optimized for reliable high-cycle PCB-to-PCB interconnects.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Category
- Connector
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40-position dual-row board stacking connector with 4.0 mm stack height
- Gold contact finish at mating interface for low-contact-resistance, high-reliability connections
- Matte tin (Sn) over nickel (Ni) barrier termination finish
- Compact 0.589 inch body length enabling dense PCB layouts
- Tape-and-reel (TR) packaging for automated SMT assembly
- Pb-free and RoHS-compliant construction
Applications
The LSHM-120-04.0-L-DV-A-S-TR is designed for high-density board-to-board stacking in portable electronics, medical devices, and industrial control modules where a 4.0 mm stack height and gold mating contacts are critical. Its tape-and-reel packaging and compact footprint make it well-suited for automated high-volume SMT assembly lines producing mezzanine card and daughter-card assemblies.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 1Week |
| YTEOL | 8.68 |
| Board Mounting Option | PEG |
| Body Breadth | 0.196inch |
| Body Depth | 0.215inch |
| Body Length | 0.589inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | GOLD |
| Contact Finish Termination | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | HERMAPHRODITIC |
| Contact Material | PHOSPHOR BRONZE |
| Contact Pattern | RECTANGULAR |
| Contact Resistance | 15mΩ |
| Contact Style | BELLOWED TYPE |
| Dielectric Withstanding Voltage | 470VAC V |
| Durability | 100Cycles |
| Filter Feature | NO |
| Insulation Resistance | 1000000000Ω |
| Insulator Color | BLACK |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| Mating Contact Pitch | 0.02inch |
| Mixed Contacts | NO |
| Mounting Option 1 | LOCKING |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 2 |
| Number of Rows Loaded | 2 |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 3.7084mm |
| Plating Thickness | 10u inch |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 2A |
| Reference Standard | UL |
| Terminal Pitch | 0.508mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 40 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | Costa Rica, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What stack height and contact count does the LSHM-120-04.0-L-DV-A-S-TR support?
The LSHM-120-04.0-L-DV-A-S-TR provides a 4.0 mm board-to-board stack height with 40 total contacts arranged in a dual-row configuration, allowing designers to achieve high-density interconnects in compact mezzanine card assemblies.
Why choose gold mating contacts over tin in high-cycle board stacking applications?
Gold (Au) mating contacts on the LSHM-120-04.0-L-DV-A-S-TR provide lower and more stable contact resistance across hundreds of mating cycles compared to tin finishes; this is especially important in 40-pin board stacking interfaces subject to field servicing or repeated plug-in operations.
Is the LSHM-120-04.0-L-DV-A-S-TR suitable for automated pick-and-place assembly?
Yes. The TR suffix denotes tape-and-reel packaging, compatible with standard SMT pick-and-place machines; the 0.589 inch body length and matte tin termination further support reflow soldering on PCBs requiring 40-position dual-row connectors.
How does lead time impact procurement planning for this SAMTEC connector?
SAMTEC lists a standard factory lead time of 1 week for the LSHM-120-04.0-L-DV-A-S-TR, making it suitable for short-cycle production planning; designers using 40-position stacking connectors in high-volume programs can typically expect rapid replenishment relative to custom-spec connectors.
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