SDL-120-TT-19 SAMTEC Connector (Other) In Stock
SAMTEC SDL-120-TT-19 is a 40-position low-profile socket strip connector with 0.100-inch pitch supporting double-row board interconnection. The socket features tin over nickel termination contacts and female connector gender for reliable mating with standard male header pins. RoHS compliant and lead-free, SDL-120-TT-19 combines compact form factor with proven reliability for instrumentation and industrial control applications in stock worldwide.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- SDL-120-TT-19 Datasheet PDF
- Category
- Connector
- Price
- From $1.8226(MOQ 11)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40-position dual-row socket provides dense 0.100-inch pitch interconnection on standard PCB boards
- Low-profile design minimizes vertical height for space-constrained equipment enclosures
- Tin-nickel contacts ensure durable, cost-effective mating with standard 0.025-inch male pins
Applications
The SDL-120-TT-19 is ideal for modular test equipment, industrial control interface modules, and measurement system backplanes requiring 40-line signal distribution across multiple daughter cards. Its 0.100-inch double-row configuration enables compact interconnection of analog measurement channels, digital signal lines, and power distribution within space-critical rack-mount instruments. The low-profile socket design integrates seamlessly into portable equipment, laboratory test systems, and distributed IoT sensor nodes where vertical space constraints demand efficient connector density.
Specifications
| Pbfree Code | Yes |
| YTEOL | 9.1 |
| Additional Feature | LOW PROFILE |
| Body/Shell Style | SOCKET |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | NOT SPECIFIED |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | FEMALE |
| Contact Material | NOT SPECIFIED |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| 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 | 2 |
| Option | GENERAL PURPOSE |
| Terminal Pitch | 2.54mm |
| Termination Type | SOLDER |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the position count and pitch specifications for the SDL-120-TT-19 socket strip?
The SDL-120-TT-19 provides 40 female socket positions arranged in dual rows with 0.100-inch (2.54mm) center-to-center pitch on each side. This standard pitch accommodates millions of compatible male pin headers, enabling rapid prototyping and modular system design. At 40 positions total, it provides sufficient channel count for simultaneous analog sensor inputs, digital control outputs, and power distribution within compact test equipment and industrial control interfaces.
How does the low-profile design benefit compact instrument and gateway enclosure designs?
SAMTEC's low-profile socket strip reduces vertical connector height to just 0.25 inches, enabling stacking of multiple 40-line interconnects within 1-inch vertical spacing on PCB back panels. This density is critical for IoT industrial gateways fitting 4-6 independent 40-pin daughter-card interfaces into 3-inch-high 19-inch rack-mount equipment, directly reducing enclosure size and manufacturing costs while maintaining all signal paths for distributed sensor networks.
What is the mechanical durability rating for the SDL-120-TT-19 socket contacts?
The SDL-120-TT-19 tin-nickel contacts are rated for 50+ mating cycles with standard 0.025-inch diameter male pins, providing proven reliability in test fixtures, field-replaceable daughter-card interfaces, and modular laboratory equipment. Each contact delivers consistent insertion force of 20-30 grams, ensuring positive mechanical retention and reliable electrical continuity across repeated insertion cycles in production test environments and customer field service operations.
Why is the SDL-120-TT-19 a cost-effective solution compared to custom ribbon cable connectors?
The SDL-120-TT-19's standardized 0.100-inch pitch socket allows unlimited male header pin options at 50% lower cost versus custom ribbon cable connectors requiring 4-6 week lead times. In production volume, mixing standard socket strips and male headers costs $2-3 per interface, compared to $15-20 for tooled ribbon cable connectors, making the SDL-120-TT-19 ideal for rapid product development and cost-sensitive industrial measurement and test applications.
Related Guides
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 2026
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 11+ | $6.2800 | $69.08 |
| 100+ | $5.1300 | $513.00 |
| 500+ | $3.9100 | $1955.00 |
| 1000+ | $3.3379 | $3337.88 |
| 2500+ | $2.5533 | $6383.23 |
| 5000+ | $1.8226 | $9113.10 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”