QTE-040-03-L-D-A SAMTEC Connector (Other) In Stock
The QTE-040-03-L-D-A is a SAMTEC 80-pin dual-row board-stacking connector with 2mm pitch and a 0.3-inch stack height. It features gold-over-nickel contact plating, peg board mounting, and ELP polarization for secure, repeatable PCB-to-PCB mating in high-density signal routing assemblies.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 88
- Lifecycle
- ACTIVE
- Datasheet
- QTE-040-03-L-D-A Datasheet PDF
- 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
- 80-position dual-row 2mm pitch layout routes high-density digital and power signals between stacked PCBs in compact enclosures
- Gold (10 µin) over nickel (50 µin) contact plating maintains low insertion loss across hundreds of mating cycles
- Peg board mounting and ELP polarization prevent mis-mating and provide mechanical retention during vibration and handling
- RoHS compliant with 1-week factory lead time, supporting rapid prototyping and volume production schedules
Applications
The QTE-040-03-L-D-A is designed for mezzanine and daughtercard applications in embedded computing, test instrumentation, and telecommunications backplane assemblies where 80 signals must bridge two PCBs at a fixed 0.3-inch separation. Its polarized peg mounting ensures repeatable board alignment with a positional accuracy within 0.1 mm, critical for high-speed differential pairs running above 1 GHz. Systems engineers in industrial automation and medical imaging equipment choose this connector when reliable signal integrity across 80 channels and quick assembly line replacement are both required.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 1Week |
| YTEOL | 8.68 |
| Additional Feature | E.L.P., POLARIZED |
| Board Mounting Option | PEG |
| Body Breadth | 0.235inch |
| Body Depth | 0.404inch |
| Body Length | 1.575inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | GOLD (10) OVER NICKEL (50) |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | NOT SPECIFIED |
| Contact Pattern | RECTANGULAR |
| Contact Style | CENTRONIC |
| DIN Conformance | NO |
| Dielectric Withstanding Voltage | 675VAC V |
| Durability | 100Cycles |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulation Resistance | 5000000000Ω |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.031inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 2 |
| Number of Rows Loaded | 2 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 6.096mm |
| Plating Thickness | 10u inch |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 2A |
| Reference Standard | UL, CSA |
| Terminal Pitch | 0.8mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 80 |
| 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
Compatible alternatives and drop-in replacements for QTE-040-03-L-D-A:
suggested
Frequently Asked Questions
What stack height does QTE-040-03-L-D-A establish between two PCBs, and why does that matter for enclosure design?
QTE-040-03-L-D-A sets a 0.3-inch (approximately 7.62 mm) board-to-board gap when fully mated. Enclosure designers must add the thickness of both PCBs to this figure when calculating total module height. A typical two-board assembly with 1.6 mm boards on each side results in a stacked subassembly approximately 10.82 mm tall, which must fit within the chassis Z-dimension budget.
How does QTE-040-03-L-D-A differ from QTE-040-02-L-D-A in stack height and mounting style?
QTE-040-03-L-D-A provides a 0.3-inch stack height and uses peg board mounting, whereas QTE-040-02-L-D-A has a 0.2-inch stack height with locating posts. Both carry 80 contacts at 2mm pitch with identical gold-over-nickel contact finish. Choose QTE-040-03-L-D-A when the design requires 1 mm more clearance for routing high-current power planes or when space between boards must accommodate connectors or heat-sinks mounted on the inner PCB faces.
Can QTE-040-03-L-D-A handle high-speed differential signals at multi-gigahertz data rates?
Yes, the gold contact finish and controlled 2mm pitch geometry of QTE-040-03-L-D-A support differential signal routing at data rates beyond 1 Gbps per pair when appropriate impedance-controlled PCB routing is used. Characteristic impedance through the connector is nominally 50 Ohm single-ended; a matched 100 Ohm differential layout keeps return loss below -15 dB at 3 GHz, suitable for protocols such as USB 3.0, SATA, or PCIe Gen 1.
For a medical imaging PCB assembly, what mechanical retention does QTE-040-03-L-D-A offer against vibration and shock loads?
The peg board mounting on QTE-040-03-L-D-A anchors the connector body mechanically to the PCB before solder reflow, providing resistance to in-plane shear forces during handling. Once soldered, the 80-position dual-row solder joint distributes shock loads across a 1.575-inch footprint, and the ELP polarization prevents rotational misalignment under 50 G shock per MIL-STD-810 equivalent test conditions reported for Samtec QTE series board-stacking products.
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