| PartNumber | 2-640440-2 | 2-640440-1 | 2-640440-0 |
| Description | Headers & Wire Housings OBSOLETE | Headers & Wire Housings 21P 22AWG MTA100 CON ASSY WHT W/RED STRPE | Headers & Wire Housings MTA 100 CONN 22-20 |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Product | Wire Housings | Wire Housings | Wire Housings |
| Type | Receptacle Assembly | Receptacle Assembly | Receptacle Assembly |
| Number of Positions | 22 Position | 21 Position | 20 Position |
| Pitch | 3.96 mm | 2.54 mm | 2.54 mm |
| Number of Rows | 1 Row | - | 1 Row |
| 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-100 | MTA-100 | MTA-100 |
| Current Rating | 7 A | - | 7 A |
| Housing Material | Nylon | Nylon | Nylon |
| Voltage Rating | 600 V | 250 VAC | 250 VAC |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Contact Material | Copper Alloy | Copper Alloy | Copper Alloy |
| Latching Type | Ramp Lock | - | Ramp Lock |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 500 | 250 | 250 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Wire Gauge | 22 | 22 | 22 |
| RoHS | - | N | N |
| Tradename | - | MTA | MTA |
| Packaging | - | Bulk | Bulk |
| Part # Aliases | - | 2-640440-1 | 2-640440-0 |