TST-102-02-G-D SAMTEC Connector (Other) In Stock
The SAMTEC TST-102-02-G-D is a 4-position dual-row shrouded PCB header with 0.100 inch pitch, featuring gold-over-nickel contacts on both mating and termination surfaces for reliable low-resistance connections. Its square-pin contacts and polarizing shroud simplify cable-to-board assembly and prevent mis-insertion in compact embedded designs. Suitable for commercial and industrial board interconnect applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- TST-102-02-G-D Datasheet PDF
- Category
- Connector
- Price
- From $1.0119(MOQ 1)
- 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 TST-102-02-G-D?
- 4-position dual-row shrouded PCB header on 0.100 inch (2.54 mm) pitch for polarized cable-to-board interconnect in compact designs
- Gold (10 µin) over nickel contact finish on mating and termination surfaces provides corrosion resistance and low contact resistance below 20 mΩ
- Square-pin male contacts mate with standard 0.025 inch square female sockets widely available from multiple connector manufacturers
- Small body size of 0.5 inch length by 0.365 inch width enables placement in tight PCB areas with less than 100 mm² footprint
- Shrouded polarized housing prevents rotational mis-mating of 4-pin cable connectors during field installation and maintenance
What is TST-102-02-G-D used for?
The TST-102-02-G-D is used in low-pin-count cable-to-board interconnect applications on development boards, sensor modules, and embedded controller PCBs where a compact 4-pin polarized header with standard 0.100 inch pitch is needed. Its gold-plated square-pin contacts suit low-current signal and power routing in robotics, IoT edge devices, and industrial instrument front panels. The shrouded dual-row layout is also common in JTAG programming headers and SWD debug connectors on ARM-based microcontroller boards.
What are the specifications of TST-102-02-G-D?
| YTEOL | 9.1 |
| Body Breadth | 0.365inch |
| Body Depth | 0.365inch |
| Body Length | 0.5inch |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | GOLD (10) OVER NICKEL |
| Contact Finish Termination | Gold (Au) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Pattern | RECTANGULAR |
| Contact Style | SQ PIN-SKT |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulation Resistance | 5000000000Ω |
| Insulator Color | BLACK |
| Insulator Material | GLASS FILLED POLYESTER |
| JESD-609 Code | e4 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.1inch |
| Mating Contact Row Spacing | 0.1inch |
| 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 | 10u inch |
| Polarization Key | POLARIZATION NOTCH |
| Terminal Length | 0.165inch |
| Terminal Pitch | 2.54mm |
| Termination Type | SOLDER |
| Total Number of Contacts | 4 |
| 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 |
Where can I find the TST-102-02-G-D datasheet?
TST-102-02-G-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TST-102-02-G-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the dual-row configuration of TST-102-02-G-D affect mating cable assembly selection compared to a single-row 4-pin header?
The dual-row 2x2 configuration of TST-102-02-G-D requires a mating dual-row 4-pin socket housing rather than a single-row 1x4 connector, giving a wider but shorter footprint of 0.5 inch by 0.365 inch versus a 0.5 inch by 0.1 inch single-row layout. Dual-row shrouded headers are stiffer mechanically, resisting lateral pull-out forces better than single-row versions, which benefits applications with frequent cable disconnection under moderate tension.
What current and voltage ratings are typical for gold-plated 0.100 inch pitch square-pin headers like TST-102-02-G-D?
Square-pin contacts at 0.100 inch pitch with 10 µin gold plating are typically rated at 1 A to 3 A per contact and 250 V AC working voltage for low-frequency signals. For the 4 positions in TST-102-02-G-D this means a total current capacity of 4 A to 12 A distributed across all pins, though thermal derating applies when multiple adjacent pins carry full current simultaneously at elevated PCB temperatures above 70°C.
In a JTAG or SWD debug header application, what makes TST-102-02-G-D a practical choice over a non-shrouded header?
The shrouded housing of TST-102-02-G-D physically guides the 4-pin debug cable connector into the correct 2x2 orientation, preventing accidental reverse insertion that could damage the target microcontroller or debug probe. Non-shrouded 0.100 inch headers lack this guidance, relying on the assembler to visually align pin 1, which introduces a significant error risk on small boards where the header sits close to other components within 2 mm.
How much PCB area does TST-102-02-G-D occupy, and can it fit between ICs on a densely populated board?
The TST-102-02-G-D body occupies approximately 0.5 inch by 0.365 inch (12.7 mm x 9.3 mm), or about 118 mm² including the outer shroud walls. On a densely populated board, a clearance of at least 2 mm on each open side is needed for mating cable housing overhang, bringing the effective keepout to roughly 17 mm x 13 mm. This is achievable in gaps between standard 16-pin or larger ICs on a 2-layer PCB with 0.1 mm minimum trace clearance.
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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 |
|---|---|---|
| 1+ | $3.2200 | $3.22 |
| 500+ | $2.2200 | $1110.00 |
| 1000+ | $1.8200 | $1820.00 |
| 2000+ | $1.5590 | $3118.08 |
| 5000+ | $1.3042 | $6520.95 |
| 10000+ | $1.0119 | $10119.10 |
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