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| PartNumber | 1977477-4 | 1977477-2 | 1977477-3 |
| Description | Barrier Terminal Blocks DUAL 4 POS .325 BLK | Barrier Terminal Blocks DUAL 2 POS .325 BLK | Barrier Terminal Blocks DUAL 3 POS .325 BLK |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Barrier Terminal Blocks | Barrier Terminal Blocks | Barrier Terminal Blocks |
| RoHS | Y | Y | Y |
| Product | Barrier Terminal Blocks | Barrier Terminal Blocks | Barrier Terminal Blocks |
| Wire Gauge Range | 22 AWG to 16 AWG | 22 AWG to 16 AWG | 22 AWG to 16 AWG |
| Type | Wire-to-Board | Dual Barrier, Open Bottom with Standoffs | Dual Barrier, Open Bottom with Standoffs |
| Series | 4DB | 4DB | 4DB |
| Brand | TE Connectivity / AMP | TE Connectivity / Buchanan | TE Connectivity |
| Product Type | Barrier Terminal Blocks | Barrier Terminal Blocks | Barrier Terminal Blocks |
| Factory Pack Quantity | 300 | 500 | 400 |
| Subcategory | Terminal Blocks | Terminal Blocks | Terminal Blocks |
| Part # Aliases | 1977477-4 | 1977477-2 | 1977477-3 |
| Number of Positions | - | 2 Position | 3 Position |
| Pitch | - | 8.26 mm | 8.26 mm |
| Current Rating | - | 15 A | 15 A |
| Voltage Rating | - | 300 V | 300 V |
| Mounting Style | - | PCB | PCB |
| Packaging | - | Bulk | - |
| Color | - | Black | Black |
| Housing Material | - | Polyamide (PA) | Polyamide (PA) |
| Mounting Angle | - | Vertical | Vertical |
| Termination Style | - | Screw | Screw |
| Flammability Rating | - | UL 94 V-0 | UL 94 V-0 |
| Lead Free Solder Processes | - | Not reviewed for lead free solder process | Not reviewed for lead free solder process |
| Maximum Operating Temperature | - | + 105 C | + 105 C |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Unit Weight | - | 0.160003 oz | - |