AP Series' Board-to-Board Connection Terminals by I-PEX
In the rapidly evolving power electronics market, achieving product miniaturization and optimizing costs are key factors for success.
I-PEX AP Series board-to-board terminals, designed for compactness and high performance, handle high current and temperatures with ease. AP series provide a significant advantage over traditional busbars, especially in applications like DC-DC converters and other power electronics products, by significantly reducing product size and overall costs.
With over 100 million units already shipped in the automotive market, AP Series is widely recognized for its outstanding performance and reliability.
Key Benefits of AP Series
Contributes to Product Miniaturization
Its small footprint helps minimize PCB size and enhances design flexibility.
Dramatically reduces Assembly Time
Efficient connection method significantly enhances productivity.
Reduces Overall Cost
By reducing the number of components, it significantly reduces total costs related to assembly time and capital investment.
AP Series: Application Examples
AP Series offers a wide range of applications—not only for board-to-board connections using both plug and receptacle, but also for stand-alone use of the receptacle as a busbar or terminal socket.
AP-10
Board-to-Board Connectors |
Plug-only |
Receptacle to busbar |
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| Board-to-board connection using plug and receptacle. |
SMT mounted with the plug tip DIP soldered. |
As a socket for a busbar. |
AP-TSS10/AP-LT10
AP-TSS10 to board |
AP-TSS10 to board |
AP-TSS10 as terminal stand |
AP-LT10 to die-cast |
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| Board-to-board connection using AP-TSS10 and AP-LT10 |
AP-TSS10 mounted on SMT and connected to a busbar |
AP-TSS10 mounted on SMT and connected to cable terminals |
AP-LT10 SMT mounted on the board and connected to aluminum die-cast |
For product inquiries or sample requests, please contact us from below link.

Products Lineup
AP-10
| Mating Direction | Vertical |
AP-10 allowable current curve![]() |
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| Size (mm) |
Height | Receptacle: 11.7 +/- 0.2 mm Plug (3531-0001-00T): 7.5 +/- 0.1 mm Plug (3539-0001-45T): 14.5 +/- 0.1 mm |
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| Depth | Receptacle: 3.4 mm Plug (3531-0001-00T): 6.0 mm Plug (3539-0001-45T): 7.6 mm |
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| Width | Receptacle: 7.6 mm Plug (3531-0001-00T): 3.4 mm Plug (3539-0001-45T): 5.2 mm |
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| Operating Temperature | -40 to 105℃ (233 to 378 K) | ||
| Misalignment amount | ±0.55 mm | ||
Article: Introduction of I-PEX AP-10 compact power terminal connector
Click here for details about AP-10
AP-TSS10、AP-LT10
| Mating Direction | Vertical (M3 thread screw) | |
| Size(mm) | Height | AP-TSS10: 8.0 +/- 0.1 mm AP-LT10: 1.0 +/- 0.1 mm |
| Depth | AP-TSS10: Φ7.0 mm AP-LT10: Φ8.2 mm |
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| Operating Temperature | -40 to 125℃ (233 to 398 K) | |
Click here for details about AP-TSS10 and AP-LT10
If you have any questions or concerns about the details of any AP Series, or if you would like to request samples, please feel free to contact us from below link.








