TSM-142-04-SM-DV-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-142-04-SM-DV-P-TR is an 84-position dual-row surface mount terminal strip with 2.54 mm (0.100 inch) pitch and 4-row configuration. Designed for high pin-count SMT board connections in backplane and industrial computing applications. Available from stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 84
- Lifecycle
- ACTIVE
- Datasheet
- TSM-142-04-SM-DV-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 84-position dual-row SMT terminal strip at 2.54 mm (0.100 inch) pitch for large-scale board connectivity
- 4-row (SM) staggered mounting option providing enhanced mechanical stability for high pin-count SMT assemblies
- Dual-voltage (DV) configuration supports simultaneous signal and power routing across 84 contact positions
- Tape-and-reel (TR) packaging for reliable automated pick-and-place assembly in high-volume production environments
Applications
The TSM-142-04-SM-DV-P-TR is suited for high pin-count SMT board connection applications in backplane systems, industrial control modules, and embedded computing platforms requiring 84 reliable contact points at standard 2.54 mm pitch. Its dual-voltage configuration accommodates mixed signal and power assignments across the 84 positions, enabling flexible pin-out allocation for complex interface designs. Tape-and-reel packaging supports automated high-volume assembly on standard SMT production lines with consistent placement accuracy.
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 is the pitch and total contact count of the TSM-142-04-SM-DV-P-TR, and how are contacts distributed across the rows?
The TSM-142-04-SM-DV-P-TR provides 84 total contact positions at 2.54 mm (0.100 inch) pitch in a dual-row layout. This gives 42 positions per row, and combined with the 4-row staggered mounting (SM) configuration, the connector achieves high pin density while maintaining standard 2.54 mm grid spacing compatible with most backplane and computing board layout rules.
How does the staggered mounting (SM) configuration of TSM-142-04-SM-DV-P-TR improve mechanical retention compared to standard single-row SMT terminal strips?
The staggered mounting (SM) configuration distributes the connector footprint across 4 mounting rows rather than the standard 2, increasing the total solder joint area and spreading mechanical stress more evenly across the PCB attachment zone. This added retention strength reduces the risk of connector tilt or pad lift during mating, handling, or vibration exposure, which is particularly important for 84-position SMT connectors that experience higher peel forces than compact connectors.
In a backplane system with multiple TSM-142-04-SM-DV-P-TR connectors, how should dual-voltage (DV) pin assignments be planned to prevent cross-talk?
In a dual-voltage (DV) design, voltage supply pins such as 3.3 V and 5 V should be grouped in dedicated rows or columns at the ends of the 84-position array, separated from high-speed signal pins by ground return pins. At minimum, one ground pin should be placed between each voltage rail and adjacent signal pins. With 84 positions at 2.54 mm pitch, this grouping approach provides adequate spatial separation to limit capacitive coupling between power and signal nets at frequencies up to several hundred MHz.
What lead time and packaging should procurement teams expect when ordering TSM-142-04-SM-DV-P-TR for a production build?
SAMTEC TSM series SMT terminal strips are generally available with lead times ranging from in-stock to 4 to 6 weeks depending on quantity. The tape-and-reel (TR) format packages components on EIA-481 standard reels, typically in quantities of 500 to 1000 pieces per reel, which aligns with mid-volume production lot sizes. For high-volume builds requiring several thousand units, placing blanket orders 8 to 12 weeks in advance is recommended to ensure consistent reel supply without production interruption.
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