| PartNumber | 8420-11B1-RK-TP | 8420-21A1-RK-TP | 8420 |
| Description | IC & Component Sockets 20P PLCC SOCKET THRU-HOLE | IC & Component Sockets 20P PLCC SOCKET SMT W/LOCATION POSTS | Aluminum Hex Standoff, 1/4 Hex Thd Thru 6-32 |
| Manufacturer | 3M | 3M | Keystone Electronics |
| Product Category | IC & Component Sockets | IC & Component Sockets | Board Spacers, Standoffs |
| RoHS | Y | Y | - |
| Product | PLCC Sockets | PLCC Sockets | - |
| Number of Positions | 20 Position | 20 Position | - |
| Number of Rows | 4 Row | 4 Row | - |
| Type | Open Frame | Open Frame | Hex Standoff |
| Pitch | 1.27 mm | 1.27 mm | - |
| Termination Style | Solder Tail | Solder Pad | - |
| Contact Plating | Tin | Tin | - |
| Row Spacing | 5.08 mm | 5.08 mm | - |
| Features | MO-052 | MO-047 | - |
| Housing Material | Polybutylene Terephthalate (PBT) | Polybutylene Terephthalate (PBT) | - |
| Brand | 3M Electronic Solutions Division | 3M Electronic Solutions Division | - |
| Contact Material | Copper Alloy | Copper Alloy | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | IC & Component Sockets | IC & Component Sockets | - |
| Factory Pack Quantity | 1872 | 3120 | - |
| Subcategory | IC & Component Sockets | IC & Component Sockets | - |
| Part # Aliases | 05111166305 1-822473-1 80000905234 | 05111166319 80000905374 | - |
| Unit Weight | 0.113040 oz | 0.079125 oz | - |
| Color | - | - | - |
| Material | - | - | Aluminum |
| Series | - | - | - |
| Size | - | - | 3.50 in |
| Gender | - | - | Male, Female |
| Diameter Outside | - | - | 0.250" (6.35mm) 1/4" Hex |
| Plating | - | - | Iridite |
| Length Overall | - | - | 1.500" (38.10mm) 1 1/2" |
| Diameter Inside | - | - | - |
| Threaded Unthreaded | - | - | Threaded |
| Screw Thread Size | - | - | #6-32 |
| Between Board Height | - | - | 1.250" (31.75mm) 1 1/4" |
| Range | - | - | 0 - 10 |
| Equipment Type | - | - | AC Voltage Meter |