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| PartNumber | 3-644329-3 | 3-644329-4 | 3-644329-2 |
| Description | Headers & Wire Housings RECPT 3 POS 18 AWG | Headers & Wire Housings REC 04P C/E 18AWG RAMP QUAD | Headers & Wire Housings REC 02P 18AWG RAMP QUAD |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | Y | Y |
| Product | Wire Housings | Wire Housings | Wire Housings |
| Type | Receptacle Assembly | Receptacle Assembly | Receptacle Assembly |
| Number of Positions | 3 Position | 4 Position | 2 Position |
| Pitch | 3.96 mm | 3.96 mm | 3.96 mm |
| Mounting Style | Free Hanging | Free Hanging | Free Hanging |
| Termination Style | IDC | IDC | IDC |
| Contact Gender | Socket (Female) | Socket (Female) | Socket (Female) |
| Contact Plating | Tin | Tin | Tin |
| Series | MTA-156 | MTA-156 | MTA-156 |
| Tradename | MTA | MTA | MTA |
| Packaging | Bulk | - | - |
| Housing Material | Nylon | Nylon | Nylon |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Latching Type | Locking Ramp | Locking Ramp | Locking Ramp |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 1 | 1 | 500 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Wire Gauge | 18 | 18 | 18 |
| Number of Rows | - | 1 Row | 1 Row |
| Current Rating | - | 5 A | 7 A |
| Voltage Rating | - | 250 V | 600 V |