TFC-135-02-F-D-A SAMTEC Connector (Other) In Stock
SAMTEC TFC-135-02-F-D-A is a 70-position Tiger Eye cost-effective male board stacking terminal strip at 1.27 mm (0.050 inch) pitch, featuring gold flash over nickel contact finish for reliable high-density interconnect. Phosphor bronze contacts with shrouded housing provide robust board-to-board signal routing.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 70
- Lifecycle
- ACTIVE
- Datasheet
- TFC-135-02-F-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
- 70-position dual-row board stacking connector at 1.27 mm (0.050") pitch with shrouded Tiger Eye contact system for secure board-to-board mating
- Gold flash over nickel mating contact finish with tin/nickel termination balances corrosion resistance and cost in high-density 70-position interfaces
- Phosphor bronze contact material provides reliable spring force and long insertion cycle life for repeated board engagement in test and production fixtures
- Shrouded housing with male contact gender enables polarized alignment during board stacking, preventing mis-insertion in compact embedded assemblies
Applications
The TFC-135-02-F-D-A is designed for compact board-to-board stacking applications in embedded computing, telecommunications modules, and portable instrumentation requiring 70-position high-density interconnection at 1.27 mm pitch. Its Tiger Eye shrouded contact system and gold flash finish make it a cost-effective choice for server mezzanine cards, wireless communication modules, and medical device mainboards where dense and reliable multi-signal mating is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 8.75 |
| Additional Feature | TIGER EYE SYSTEM, SHROUDED |
| Body Breadth | 0.225inch |
| Body Length | 3.625inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | GOLD FLASH OVER NICKEL (50) |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | PHOSPHOR BRONZE |
| Contact Pattern | RECTANGULAR |
| Contact Resistance | 15mΩ |
| Contact Style | RND PIN-SKT |
| DIN Conformance | NO |
| Dielectric Withstanding Voltage | 825VAC V |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulation Resistance | 5000000000Ω |
| Insulator Color | BLACK |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.05inch |
| Mating Contact Row Spacing | 0.05inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| 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 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 2.54mm |
| Plating Thickness | FLASH inch |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 2.9A |
| Reference Standard | UL, CSA |
| Terminal Pitch | 1.27mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 70 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | Malaysia, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What contact material and finish does TFC-135-02-F-D-A use, and how does this affect electrical reliability?
TFC-135-02-F-D-A uses phosphor bronze contacts with gold flash over nickel mating finish and tin with nickel barrier termination. Gold flash reduces contact resistance below 20 mΩ per pin, while the nickel barrier prevents tin whisker migration, ensuring reliable electrical performance over thousands of mating cycles.
How does the shrouded Tiger Eye system in TFC-135-02-F-D-A prevent mating errors in dense board stacking?
The shrouded housing mechanically guides the mating female connector into correct alignment across all 70 positions at 1.27 mm pitch, preventing offset insertion that could bend contacts or cause signal shorts. Tiger Eye contacts maintain consistent normal force during mis-alignment recovery, protecting the 70-pin interface in high-vibration environments.
For which industries and design scenarios is TFC-135-02-F-D-A the appropriate board stacking connector choice?
TFC-135-02-F-D-A suits telecommunications base station cards, server mezzanine boards, medical imaging modules, and portable test instruments requiring 70-position board-to-board interconnect at 1.27 mm pitch with shrouded alignment and gold flash contact finish in space-constrained multi-board assemblies.
When is TFC-135-02-F-D-A a more economical alternative to fully gold-plated board stacking connectors?
TFC-135-02-F-D-A with gold flash over nickel is appropriate when the application requires fewer than 500 mating cycles and environmental exposure is moderate. Compared to fully hard-gold-plated 70-position alternatives, TFC-135-02-F-D-A can reduce connector BOM cost by 20 to 40 percent while still meeting standard telecom and industrial contact resistance specifications.
Related Guides
How to Choose a Digital Potentiometer: AD5204, AD5206, and AD8403 Selection Guide
Compare the AD5204, AD5206, and AD8403 multi-channel SPI digipots by channel count, resistance value, and package to choose the right Analog Devices digital potentiometer for your design.
Jun 21, 2026
AD7745 / AD7746 / AD7747 Capacitance-to-Digital Converter Design Guide
Complete application note for the AD774x CDC family: circuit design, shielding, conversion rate selection, and sourcing guidance for the AD7745, AD7746, and AD7747.
Jun 21, 2026
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
Why Buy from FindMyChip
About SAMTEC
SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”