TJA1028T/5V0/20 & TJA1028T/5V0/20/1 & TJA1028T/5V0/20/2 different suffix refer to?

[Daijia0529]

• TJA1028T/5V0/20
• TJA1028T/5V0/20/1
• TJA1028T/5V0/20/2

are above 3 items are the same item? If yes, what is the difference between all the suffix?

[Sam13422855686]

晶圆产地不一样而已，功能是一样用的

[guoweisun]

From the application point of view, there is no any difference between them.