How Do I Choose the Right SIM Card Connector for My Design?
Choose a SIM card connector by five criteria: pin count, height, detection switches, mechanism type and mounting style — then match them to your application's swap frequency, environment and assembly process.
Five Selection Criteria
| Criterion | Typical Options | Trade-off |
|---|---|---|
| Pin count | 6-pin (essential) / 8-pin (full C1-C8) | 8-pin adds auxiliary contacts for payment/industrial |
| Height | 0.45 - 2.00 mm | Lower height = slimmer device, tighter tolerance |
| Detection switches | 0 / 1 / 2 switch pins | Card-present detection for the host MCU |
| Mechanism | Push-push / push / push-pull | Swap frequency vs vibration resistance |
| Mounting | SMT reflow / hybrid | SMT suits automated assembly lines |
Common Scenarios
- Ultra-slim IoT trackers: 6-pin, H 0.45-1.00 mm, push type, 1 detection switch.
- Payment terminals: 8-pin, H 1.45-2.00 mm, push-push, high cycle rating.
- Automotive telematics: 6-pin or 8-pin with 2 switches, push-pull, extended temperature range (-40°C to +105°C).
Compare our 6-pin H1.45mm, 6-pin H2.00mm and 8-pin H0.45mm sockets, or browse the full catalog.