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4FF Nano SIM connector
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- SIM (aka Mini SIM) (2FF)
- Micro SIM (3FF)
- Nano SIM (4FF)
- Push-Push -the SIM card is pushed into place and pushed again to release, ejecting by spring action. Push-Push is often used in consumer applications where users insert and eject SIM cards into a device.
- Push-Pull -the SIM card is pushed into place and held in place by force of contacts and pulled to remove. Push-Pull is the lowest cost type of SIM connector.
- Hinged - the connector opens to allow insertion of SIM card, hinged types are useful where a positive lock is required, especially in high vibration environments.
SIM5060 & 5055 hold the card in place in the hinged cover, for ease of use. To achieve an ultra-low profile, the SIM5051 does not hold the card in place.
- Dual - Allows two SIM cards to be plugged into one connector. This is a Push-Pull connector type.
6 contact versions are most popular as used in the majority of GSM or CDMA applications.
SIM contacts no. 4 and 8 are not generally used and defined by the ETSI spec as ‘reserved for future use’. Although 8 contact versions are used in MegaSIM applications.
SIM Card detection switch contacts are covered in a separate search.
Note – Card detection switches are some sometimes referred to as extra contacts. For example: 6+2 (6 x SIM contacts + 2 x switch contacts).
GCT do not classify card detection contacts as +2, but as ‘with’ or without’ card detection switch.
Nano SIM Connectors
GCT offer two Nano SIM connectors, both are 6 contact push-pull type measuring 11.00mm x 12.30mm with profile height of 1.35mm. A full metal shell provides heat and EMI resistance, while a card stop function ensures the SIM card is inserted in the correct orientation.
SIM8050 is plated with 15µ” gold and suitable for 5,000 card insertion cycles, while SIM8051 is 3µ” gold plated and suitable for 1,500 card insertions cycles.
Both have an operating temperature of -40°C to +85°C. Optional PCB locating pegs and SMT holdowns provide extra printed circuit board retention.
Nano SIM connectors accept the Nano SIM card format, 4FF (4th form factor) cards measure 12.3mm x 8.8mm x 0.67mm, Nano SIM cards maintains existing standard SIM contact arrangements while reducing the card insulator size. Compared to Micro SIM a smaller area of isolating material remains around the contacts to avoid short circuits.
At 0.67 mm thickness Nano-SIM cards are approximately 15% percent slimmer than Mini/Micro SIM cards at 0.76mm thickness.