The 9774050951R is a surface-mount steel spacer from the WA-SMST series by Wurth Elektronik. It is unthreaded with a through-hole design, featuring an internal diameter of 2.7 mm, an outer diameter of 5.1 mm, and a total length of 5 mm. Fabricated from steel with a tin-plated surface, it is designed to handle high mechanical forces and torques during PCB assembly. The part is equipped with a removable polyimide (Kapton) tape to enable automated pick-and-place processing. It is rated for MSL 1 and operates reliably in temperatures from -55°C up to +150°C.
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Wurth Electronics Inc 9774050951R technical specifications.
| Material | Steel |
| Surface | Tin |
| Internal Diameter (ID) | 2.7mm |
| Outer Diameter (OD) | 5.1mm |
| Overall Length (L) | 5mm |
| Solder Paste Thickness | 150 min.µm |
| Operating Temperature Range | -55 to +150°C |
| Moisture Sensitivity Level (MSL) | 1 |
| Spacer Type | Through Hole / Unthreaded |
| Rohs Approval | Compliant [2011/65/EU&2015/863] |
| Reach Approval | Conform or declared [(EC)1907/2006] |
| Halogen Free | Conform [IEC 61249-2-21] and [JEDEC JS709B] |
| Svhc | Contains Lead (RoHS exempt application) |
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