| Part Number: | ULO | - | MU493A | - | B | B | N | C |
|---|---|---|---|---|---|---|---|---|
| Explanation: |
Brand |
Model MU493 - Four-contact cable plug |
Housing Colour B - Black |
Hood Colour B - Black |
Shell Plating 6 - Tin |
Contact Plating O - Selective gold flash |
MU493 is a four-contact compact cable plug with a ribbed hood and rear cable opening. MU493A is a five-contact Mini USB cable plug component set with a contact housing, hood, upper shell and lower shell. Their mating profiles and contact counts differ; select by exact model and dimensional drawing.
| Characteristic | MU493 | MU493A |
|---|---|---|
| Interface | Compact male plug; 4 contacts | Mini USB male plug; 5 contacts |
| Configuration | Ribbed hood with rear cable opening | Separate contact housing, hood and formed shell components |
| Nominal contact pitch | 0.8mm | |
| Rated current | 0.5A | |
| Rated voltage | 30V; AC/DC designation unspecified | |
| Contact resistance | ≤50mΩ | |
| Insulation resistance | 100MΩ; minimum/maximum designation unspecified | |
| Dielectric withstand test | 100VAC for 1 minute | |
| Insulator | PA66; material group I; UL94V-0 | |
| Contact material | Copper alloy | |
A data rate, USB generation, wire gauge and specific mating counterpart are unspecified. The withstand-voltage condition is a dielectric test, separate from the rated working voltage.
Four fields follow either model code: housing colour, hood colour, shell plating and contact plating.
| Field | Code | MU493 | MU493A |
|---|---|---|---|
| Housing colour | B | Black | |
| Hood colour | B | Black | |
| Shell plating | 6 | Tin | |
| N | Nickel | ||
| 8 | Full gold | ||
| Contact plating | O | Selective gold flash | |
| C | Selective 3µin gold | ||
| 3 | Not listed | Selective 30µin gold | |
Dimensions are in millimetres. The rear Ø3.80mm feature is the cable opening; it does not define an allowable cable-diameter range.
| Dimension or feature | MU493 |
|---|---|
| Hood length | 21.95mm |
| Exposed plug length | 4.10mm |
| Exposed plug width and height | 5.20mm × 3mm |
| Hood width and thickness | 9.10mm × 6.35mm |
| Rear cable opening | Ø3.80mm |
| Grip and orientation features | Ribbed hood; moulded direction arrow |
Dimensions are in millimetres. The views apply to the named individual components; they do not specify a finished assembled plug length.
| Component | Dimension or feature | MU493A |
|---|---|---|
| Contact housing | Overall longitudinal reference | 12.78mm |
| Contact pitch; front contact-area reference | 0.80mm; 1.60mm | |
| Side longitudinal references | 8.40mm; 6mm; 0.60mm; 4.70mm | |
| Front width | 6.10mm | |
| Front height | 4.30mm | |
| Hood | Length | 9mm |
| Width and height | 8.80mm × 6mm | |
| Inner profile reference; wall reference | 3mm; 0.40mm | |
| Upper shell | Main length; rear formed extension reference | 10.60mm; 2.50mm |
| Plan width | 7.70mm | |
| Side height | 5mm | |
| Formed retention feature angle | 20° | |
| Lower shell | Longitudinal references | 7.90mm; 9.80mm; 3.30mm |
| Plan width | 6.80mm | |
| Front outer width and height | 7.30mm × 4.70mm | |
| Rear formed-section height | 3mm |
