Molex Micro-Lock 504189, 40-position dual-row header, 1.25 mm pitch, SMT right-angle, latch lock, tin-plated male blade contacts, UL94 V-0 natural housing.
| Parameter | Value |
|---|---|
| Series | Micro-Lock 504189 |
| Type | Male Blade |
| Mounting | Surface Mount, Right Angle |
| Connector type | Header |
| Fastening type | Latch Lock |
| Contact material | Brass |
| Insulation color | Natural |
| Insulation height | 0.241\" (6.13mm) |
| Insulation material | Polyamide (PA), Nylon, Glass Filled |
| Material flammability rating | UL94 V-0 |
| Style | Board to Cable/Wire |
| Package | Tape & Reel (TR) Cut Tape (CT) |
| Parameter | Value |
|---|---|
| Shrouding | Shrouded - 4 Wall |
| Termination | Solder |
| Contact shape | Rectangular |
| Rows | 2 |
| Pitch | 0.049\" (1.25mm) |
| Positions | 40 |
| Contact finish - post | Tin |
| Contact finish - mating | Tin |
| Contact finish thickness - mating | 39.4µin (1.00µm) |
Contact finish thickness on the mating side is 39.4 µinch (1.00 µm) tin — this is a standard production-grade thickness that balances cost and cycle life for a connector that is mated a few times over its service life.
Yes, the header uses a latch lock fastening type — the shroud has an integrated locking ramp that engages with the mating receptacle for vibration-resistant retention.
This is a 40-position dual-row header with all positions loaded. The pinout follows the standard Micro-Lock 504189 series layout — consult the product drawing for the exact row and column numbering.
Yes, the part is listed as ROHS3 Compliant.
Availability and current pricing confirmed at quote time.