Datasheet

CMB 0207
www.vishay.com
Vishay Beyschlag
Revision: 11-Feb-16
10
Document Number: 28755
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HISTORICAL 12NC INFORMATION
• The resistors had a 12-digit numeric code starting with
2312.
• The subsequent 4 digits indicated the resistor type,
specification and packaging; see the 12NC table.
• The remaining 4 digits indicated the resistance value:
-The first 3 digits indicated the resistance value.
- The last digit indicated the resistance decade in
accordance with the 12NC Indicating Resistance
Decade table.
Last Digit of 12NC Indicating Resistance Decade
Historical 12NC Example
The 12NC of a CMB 0207 resistor, value 47 k with ± 2 %
tolerance, supplied in blister tape of 2000 units per reel was:
2312 199 24703.
RESISTANCE DECADE LAST DIGIT
1 to 9.99 8
10 to 99.9 9
100 to 999  1
1 k to 9.99 k 2
10 k to 99.9 k 3
100 k to 999 k 4
1 M to 9.99 M 5
HISTORICAL 12NC - Resistor Type and Packaging
DESCRIPTION
CODE 2312 ... .....
BLISTER TAPE ON REEL
TYPE TOL. B2 2000 UNITS B7 7000 UNITS
CMB 0207
± 5 % 199 3.... 189 3....
± 2 % 199 2.... 189 2....
± 1 % 199 1.... 189 1....