Board-fit reality for this 8-position breakaway
The 5-146254-4: The push-pull fastening means the mating receptacle holds by friction alone; no latch, no lock. It'll sit in an industrial cabinet or outdoor telecom enclosure without issue.

TE Connectivity AMPMODU Mod II, Header, Breakaway, 8 Positions, 2 Row, 0.100" (2.54mm) Pitch, Through Hole, Solder, Tin Mating Finish, 3A, -65°C ~ 105°C
| Parameter | Value |
|---|---|
| Series | AMPMODU Mod II |
| Type | Male Pin |
| Mounting | Through Hole |
| Connector type | Header, Breakaway |
| Fastening type | Push-Pull |
| Current rating | 3A |
| Operating temperature | -65°C ~ 105°C |
| Contact material | Copper Alloy |
| Insulation color | Black |
| Insulation height | 0.090\" (2.29mm) |
| Insulation material | Liquid Crystal Polymer (LCP) |
| Material flammability rating | UL94 V-0 |
| Parameter | Value |
|---|---|
| Style | Board to Board or Cable |
| Package | Bulk |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 2 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 8 |
| Row spacing - mating | 0.100\" (2.54mm) |
| Contact finish - post | Tin |
| Contact length - post | 0.120\" (3.05mm) |
| Overall contact length | 0.440\" (11.18mm) |
| Contact finish - mating | Tin |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 100.0µin (2.54µm) |
The 5-146254-4: The push-pull fastening means the mating receptacle holds by friction alone; no latch, no lock. It'll sit in an industrial cabinet or outdoor telecom enclosure without issue.
This is an unshrouded breakaway header. The push-pull retention means no locking feature; the mating pair stays together by friction.
Yes, it is ROHS3 Compliant per the manufacturer's listing.