HTSS-121-01-L-DV SAMTEC Connector (Other) In Stock
SAMTEC HTSS-121-01-L-DV is a 42-position high-temperature shrouded terminal strip with 0.100" (2.54 mm) pitch in a dual-row right-angle (L) cable-mate configuration. Rated for elevated temperature operation, it features a shrouded and vertical-lock design for secure and polarized cable connections in harsh thermal environments. Ideal for industrial automation, automotive electronics, and power electronics requiring reliable 42-pin interconnect with heat resistance.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Datasheet
- HTSS-121-01-L-DV Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 42-position dual-row shrouded design at 0.100" (2.54 mm) pitch with right-angle (L) orientation for PCB-edge cable access in space-constrained assemblies
- High-temperature (HT) rated housing material withstands elevated ambient and soldering process temperatures beyond standard connector ratings
- Shrouded and polarized housing prevents cable mis-mating across all 42 positions, critical for complex multi-signal harnesses in industrial environments
- Vertical-lock (V) feature secures the mating cable connector against vibration-induced unmating in automotive and industrial motion-control installations
- Cable-mate termination style enables direct attachment of pre-assembled ribbon cable or wire harness assemblies without soldering
Applications
The SAMTEC HTSS-121-01-L-DV is used in industrial motor drives, automotive ECU wiring harnesses, and power inverter control boards where a 42-position high-temperature cable connector is needed with secure locking and polarized keying. Its right-angle orientation suits panel-mounted PCBs in enclosed control units where cables must exit parallel to the board surface, and the 42-position count accommodates complex multi-signal buses combining PWM control, analog feedback, digital I/O, and power lines in a single connector. Harsh-environment applications such as EV battery management systems and factory automation controllers rely on the high-temperature housing and vertical-lock retention to maintain reliable connections under thermal cycling and mechanical vibration.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes the HTSS-121-01-L-DV suitable for elevated-temperature industrial or automotive environments?
The HTSS-121-01-L-DV uses a high-temperature (HT) rated housing material that withstands sustained elevated ambient temperatures well above the 85°C limit of standard connectors, making it suitable for under-hood automotive wiring, motor drive control boards, and industrial ovens or furnace controllers where ambient temperatures regularly reach 105°C to 125°C. The 42-position shrouded body also resists warping at elevated temperatures, maintaining reliable contact alignment across all 42 pins even after repeated thermal cycling between -40°C and high operating temperatures.
How does the vertical-lock (V) feature of the HTSS-121-01-L-DV improve connector retention in vibrating equipment?
The vertical-lock (V) design adds a secondary retention mechanism between the HTSS-121-01-L-DV header and its mating cable connector, requiring a deliberate release action to unmate the connector rather than allowing it to pull free under axial load or vibration. In industrial motor drives, conveyor systems, and automotive powertrain modules where vibration levels can reach 10 G or more across a 10 Hz to 2000 Hz spectrum, this locking feature prevents the 42-position cable harness from intermittently disconnecting, which could cause control faults or equipment damage.
Which multi-signal harness configurations are commonly assembled using the 42-position HTSS-121-01-L-DV?
The 42-position HTSS-121-01-L-DV accommodates harnesses combining digital I/O lines, analog sensor inputs, PWM outputs, and low-voltage power rails within a single 2.54 mm pitch dual-row connector, reducing the number of separate connectors on a board from 4 or 5 down to 1. EV battery management system interfaces, multi-axis servo drive panels, and industrial robot control cards commonly use this 42-pin count to route all motor feedback, encoder, and command signals through a single keyed connector. The right-angle orientation allows cable routing along the board surface within a sealed enclosure without requiring panel cutouts for vertical cable exits.
How does the HTSS-121-01-L-DV compare to a standard TST-series shrouded header of the same pitch for harsh-environment designs?
The HTSS-121-01-L-DV belongs to SAMTEC's high-temperature shrouded terminal strip (HTSS) series, which uses housing materials and plating options rated for sustained temperatures up to approximately 105°C to 125°C, compared to the standard TST series which is typically rated to 85°C. The HTSS also includes the vertical-lock (V) retention feature and is designed specifically for cable-mate applications where the mating connector attaches a pre-wired harness, whereas TST-series headers are more commonly used with IDC ribbon cable terminations at standard operating temperatures. For automotive or high-ambient industrial designs, the HTSS-121-01-L-DV provides the additional thermal margin and mechanical retention that a standard 42-position 2.54 mm pitch header cannot reliably deliver.
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