Contact finish and current handling
The 9-146280-0-27: Rated 3 A per contact at 25 °C, which is typical for signal-level interconnects; derate above that temperature per the standard AMPMODU curve.

TE Connectivity AMPMODU Mod II, Header, Breakaway, 27 Positions, 0.100" (2.54 mm) Pitch, Unshrouded, Through Hole, Solder, Gold Mating Finish, Tin Post, 3 A, UL94 V-0
| Parameter | Value |
|---|---|
| Series | AMPMODU Mod II |
| Gender | Male Pin |
| Mounting type | 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 |
| Style | Board to Board or Cable |
| Package | Bulk |
| Shrouding | Unshrouded |
| Termination | Solder |
| Contact shape | Square |
| Rows | 1 |
| Pitch | 0.100\" (2.54mm) |
| Positions | 27 |
| Contact finish - post | Tin |
| Contact length - post | 0.120\" (3.05mm) |
| Overall contact length | 0.440\" (11.18mm) |
| Contact finish - mating | Gold |
| Contact length - mating | 0.230\" (5.84mm) |
| Contact finish thickness - post | 100.0µin (2.54µm) |
| Contact finish thickness - mating | 15.0µin (0.38µm) |
The 9-146280-0-27: Rated 3 A per contact at 25 °C, which is typical for signal-level interconnects; derate above that temperature per the standard AMPMODU curve.
Any unshrouded 0.100" pitch breakaway header with 27 positions and the same through-hole footprint will mate interchangeably. The AMPMODU Mod II series itself includes multiple plating options and post lengths — confirm the contact finish and post dimensions against your application.