Bourns 70Ax Series Modular Contacts
Bourns 70A Series Modular Contacts are available in male and female versions for AA, AB, and AD varieties as spring connectors. These modular contacts are available off-the-shelf as headers and receptacles in 3 pitches and allow for horizontal, vertical, and unidirectional engagement with two to six contacts. The 70A Series Contacts can be used as board-to-battery connectors, but their design also allows for use as board-to-board and board-to-device connectors. This makes them ideal for a wide range of applications, including but not limited to cellphones, battery chargers, laptops, tablets, mobile EFT-POS terminals, and cordless bar code scanners.
Features
- 2 to 6 copper alloy contacts
- Black glass-reinforced thermoplastic insulator that is UL94 V-0 listed
- High cycle life
- Minimum mechanical durability of 50,000 cycles
- Pick and place compatibility
- Precious metal contacts in most versions except the AD male and female versions
- RoHS-compliant
Applications
- Any portable device requiring a rechargeable battery or floating contacts
- Battery chargers
- Cellphones
- Cordless bar code scanners
- Electronic waiter pads
- Laptops
- Mobile EFT-POS terminals
- Position contacts
- Removable front panel/displays
- Subsystem to system in board-to-board connections
- Tablets
Technical Specifications
| Series | Pitch | Current Rating | Voltage Rating | Maximum Contact Resistance | Dielectric Voltage | Minimum Insulating Resistance | Operating Temperature | Resource |
|---|---|---|---|---|---|---|---|---|
| 70AA - Female | 2.54mm | 3 A/contact | 60V | 30mΩ | AC 500V | 1000MΩ | -55°C to +125°C | Datasheet (PDF) |
| 70AA - Male | 2.54mm | DC 3 A/contact | DC 60V | 30mΩ | AC 500V | 1000MΩ | -55°C to +125°C | Datasheet (PDF) |
| 70AB - Female | 1.27mm | DC 3 A/contact | DC 60V | 30mΩ | AC 500V | 1000MΩ | -55°C to +125°C | Datasheet (PDF) |
| 70AB - Male | 1.27mm | DC 3 A/contact | DC 60V | 30mΩ | AC 500V | 1000MΩ | -55°C to +125°C | Datasheet (PDF) |
| 70AD - Female | 4mm | DC 3 A/contact | DC 30V | 25mΩ | AC 500V | 500MΩ | -55°C to +125°C | Datasheet (PDF) |
| 70AD - Male | 4mm | DC 3 A/contact | DC 30V | 25mΩ | AC 500V | 500MΩ | -55°C to +125°C | Datasheet (PDF) |