What is a TF card?

TF card is also known as T-Flash card. Full name: TransFLash, also known as MicroSD, was developed by MOTOROLA and SANDISK and launched in 2004. Is a kind of ultra-small card (11*15*1MM), about a quarter of the SD card, can be considered the smallest storage card.
【 Function 】
The MicroSD card is a very small flash memory card, its format is from SanDisk, originally called T-Flash, and later renamed TransFlash; It was renamed microSD because it was adopted by the SD Association (SDA). Other memory cards adopted by SDA include miniSD and SD cards.

It is mainly used in mobile phones, but because of its tiny size and increasing storage capacity, it is now used in GPS devices, portable music players and some flash memory disks. At 1mm x 15mm x1mm, which is about the size of a fingernail, it is the smallest memory card available. It can also be plugged into an SD card slot using an SD adapter card. MicroSD cards are available in 128MB, 256MB, 512MB, 1G, 2G, 4G, 8G, 16G and 32G capacities.

TF is a small card, SD is a big card, both are a kind of flash memory card. TF card has the smallest size and can be used as an SD card after the SD card converter. The adapter can be used on devices that use SD as the storage medium. TransFlash was developed primarily for camera phones to capture large images and to be able to download larger video clips. TransFlash card can be used to store personal data, such as digital photos, MP3s, games and mobile applications and personal data, and is equipped with a copyright protection management system, so that downloaded music, video and games are protected; Future versions of TransFlash will also include encryption to protect personal data, financial records and health and medical documents. The compact size of TransFlash allows manufacturers to use this design without having to worry about the size of the phone. Another flexible use is that the supplier can readily replace the phone according to the customer's different needs before delivery. This advantage is not available in embedded flash memory.