Hammond 1421PCB1-8 1/4 in Self-Adhesive PCB Standoffs, 8 Pack
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Create Free Business AccountKey Features
- Pack of 8 self-adhesive PCB standoffs
- Board bottom rests 0.25" (6mm) above the enclosure floor
- 0.65" (17mm) overall height
- 0.71" (18mm) square self-adhesive mounting pad
- Suggested material thickness 0.0625" (1.6mm) max., hole diameter 0.156" (4mm)
- Tough white nylon construction
- RoHS and REACH compliant
The 1421PCB1-8 is an 8-pack of 1/4" printed circuit board standoffs from the 1421PCB Series. Each standoff has a square mounting pad with self adhesive, so it sticks to the enclosure floor and holds a PC board above it. It is aimed at electronics designers, hobbyists and OEM builders fitting boards into small cases.
The standoff height is 0.25 in (6 mm): the bottom of the P.C. board rests 0.25" (6mm) above the enclosure floor. Overall height is 0.65" (17mm), and the square mounting pad measures 0.71" (18mm). The part drawing shows the pad as 17.90 mm [.70] square and the overall height as 16.30 mm [.64].
The manufacturer gives these guidelines for the board being mounted:
- Suggested material thickness: 0.0625" (1.6mm) max.
- Suggested hole diameter: 0.156" (4mm)
- Standoff material: tough white nylon
The 1421PCB1-8 is RoHS compliant and REACH compliant. The 8-pack has a shipping weight of 0.03 lbs (0.01 kg).
The same 1/4" standoff is also sold in a 100-pack as 1421PCB1-100, which suits production quantities. For more clearance under the board, the 1/2" standoffs (1421PCB2-8 and 1421PCB2-100) have a 0.9" (23mm) overall height and raise the board 0.5" (12.7mm) above the floor.
Ideal For
- Mounting PC boards inside small enclosures
- Raising a circuit board 0.25 in off the enclosure floor
- Prototype and OEM electronics board mounting
Mounting
| Mounting Method | Self-adhesive square mounting pad |
| Suggested Hole Diameter | 0.156" (4mm) |
| Suggested Board Material Thickness | 0.0625" (1.6mm) max. |
Overview
| Series | 1421PCB Series |
| Product Type | Printed Circuit Board Standoff |
| Short Description | 1/4" PCB S-OFF SELF STK 8 PCS |
| 100-Pack Equivalent | 1421PCB1-100 |
Dimensions
| Mounting Pad | 0.71" (18mm) square |
| Overall Height | 0.65" (17mm) |
| Standoff Height | 0.25 in (6 mm) |
| Mounting Pad (Drawing) | 17.90 mm [.70 in] x 17.90 mm [.70 in] |
| Overall Height (Drawing) | 16.30 mm [.64 in] |
| Board Height Above Enclosure Floor | 0.25" (6mm) |
Identifiers
| UPC | 623980843476 |
| UNSPSC | 39121301 |
| Part Number | 1421PCB1-8 |
Packaging & Shipping
| Shipping Weight | 0.03 lbs (0.01 kg) |
Construction & Finish
| Material | Tough white nylon |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
How high does the 1421PCB1-8 hold the circuit board?▾
The bottom of the P.C. board rests 0.25" (6mm) above the enclosure floor. Overall standoff height is 0.65" (17mm).
How many standoffs are in the 1421PCB1-8?▾
8 pieces. A 100-piece pack is available as 1421PCB1-100.
How is the standoff attached to the enclosure?▾
It has a 0.71" (18mm) square mounting pad with self adhesive.
What board thickness and hole size are suggested?▾
Suggested material thickness is 0.0625" (1.6mm) max., and suggested hole diameter is 0.156" (4mm).
What material are the standoffs made of?▾
Tough white nylon.
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