Top Mark Information (Continued)
F 1st line: F - Fairchild Logo
47 2nd line: Device Name - 3rd to 4th characters of device name for 1Nxx series
or 4th to 6th characters for BZXyy series
36 3rd line: Device Name - 5th to 6th characters of device name for 1Nxx series
A or Voltage rating for BZXyy series
4th line: Device Name - 7th to 8th characters of device name for 1Nxx series
or Large Die identification only for BZXyy series
XY 5th line: Date Code - Two Digit - Six Weeks Date Code
1.0 Cathode Band
2.0 First Line: F - Fairchild Logo
3.0 Second Line: Device name - For 1Nxx series: 3rd to 4th characters of the device name.
For BZxx series: 4th to 6th characters of the device name.
4.0 Third Line: Device name - For 1Nxx series: 5th to 6th characters of the device name.
For BZXyy series: Voltage rating
5.0 Third Line: Device name - For 1Nxx series: 7th to 8th characters of the device name.
(the 8th character is the large die identification)
For BZXyy series: Large Die Identification character
6.0 Fourth Line: Date Code - Two Digit - Six Weeks Date Code
Where: X represents the last digit of the calendar year
Y represents the Six weeks numeric code
7.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec).
8.0 Maximum no. of marking lines: 5
9.0 Maximum no. of digits per line: 3
10.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line.
11.0 Marking Font: Arial (Except FSC Logo)
12.0 First character of each marking line must be aligned vertically.
13.0 All device markings must be based on Fairchild device specification.
© 2009 Fairchild Semiconductor Corporation
1N4728A - 1N4758A Rev. H3