QTT-111-03-F-T SAMTEC Connector (Other) In Stock
SAMTEC QTT-111-03-F-T is a 33-position board stacking terminal strip with 2.00 mm pitch, featuring phosphor bronze contacts with gold flash over nickel mating finish for reliable power plane connectivity. Designed for board-to-board power distribution, it delivers robust current handling in industrial and commercial stacking applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- QTT-111-03-F-T Datasheet PDF
- Category
- Connector
- Price
- From $3.8700(MOQ 250)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of QTT-111-03-F-T?
- 33-position board stacking terminal strip at 2.00 mm pitch optimized for power plane distribution
- Phosphor bronze contacts with gold flash over nickel mating finish for low contact resistance and reliable repeated mating
- Tin (Sn) with nickel (Ni) barrier termination finish ensuring excellent solderability and corrosion resistance
- Compact body dimensions (0.879" x 0.433") enabling high-density power interconnect in space-constrained PCB stacks
What is QTT-111-03-F-T used for?
The QTT-111-03-F-T is ideal for board-to-board power plane interconnect in industrial control modules, embedded computing stacks, and high-current backplane assemblies. Its 33-position layout at 2.00 mm pitch supports both signal and power rail distribution across stacked PCBs, making it suitable for motor drive controllers, power management modules, and compact server blade assemblies requiring reliable multi-board connectivity.
What are the specifications of QTT-111-03-F-T?
| Pbfree Code | Yes |
| YTEOL | 8 |
| Body Breadth | 0.236inch |
| Body Depth | 0.433inch |
| Body Length | 0.879inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | GOLD FLASH OVER NICKEL |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | PHOSPHOR BRONZE |
| Contact Style | SQ PIN-SKT |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulator Color | BLACK |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number of Rows Loaded | 3 |
| Option | GENERAL PURPOSE |
| Plating Thickness | FLASH inch |
| Reference Standard | UL |
| Terminal Length | 0.09inch |
| Terminal Pitch | 2mm |
| Termination Type | SOLDER |
| Total Number of Contacts | 33 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
Where can I find the QTT-111-03-F-T datasheet?
QTT-111-03-F-T Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for QTT-111-03-F-T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the contact finish and material specifications of the QTT-111-03-F-T?
The QTT-111-03-F-T features phosphor bronze contacts with a gold flash over nickel mating finish for low-resistance electrical contact, and a tin (Sn) with nickel (Ni) barrier termination finish for reliable soldering. These materials ensure robust performance across hundreds of mating cycles with minimal contact resistance increase.
For which power distribution architectures is the QTT-111-03-F-T terminal strip best suited?
The QTT-111-03-F-T is optimized for board stacking power plane applications where 33 positions at 2.00 mm pitch carry mixed power and ground rails between PCBs. It suits distributed power architectures in industrial PLCs, embedded computing backplanes, and motor control modules where multiple voltage rails (e.g., 3.3 V, 5 V, 12 V) must cross a board-to-board interface.
How does the QTT-111-03-F-T compare dimensionally to similar 2 mm pitch power connectors for backplane designs?
The QTT-111-03-F-T has a body length of 0.879 inch, body depth of 0.433 inch, and body breadth of 0.236 inch, providing a compact footprint for a 33-position 2.00 mm pitch terminal strip. Compared to 2.54 mm pitch alternatives with similar pin counts, it offers a roughly 20% smaller length, making it preferable in PCB designs with tight component spacing constraints.
What makes the QTT-111-03-F-T suitable for high-reliability industrial stacking applications?
The combination of phosphor bronze contact material, gold flash mating finish, and nickel barrier on the termination side gives the QTT-111-03-F-T excellent mechanical spring force and corrosion resistance across industrial temperature ranges. The board stacking connector design maintains consistent contact pressure under vibration, making it reliable in factory automation, transportation electronics, and test equipment operating in harsh environments.
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About SAMTEC
SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $5.6000 | $1400.00 |
| 500+ | $4.9600 | $2480.00 |
| 1000+ | $3.8700 | $3870.00 |
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