This datasheet PDF includes multiple part numbers: 1N966, 1N957. Please refer to the document for exact specifications by model.
1N966 Product details
Description
only..
Features
Standard Zener voltage tolerance is ± 20%.
Add suffix "A" for ± 10% tolerance and suffix "B" for ± 5% tolerance.
Other tolerances, non standard and higher zener voltages
are upon request. 1N957 THRU 1N978
Silicon Planar Zener Diodes
A
B
A
C
D
Cathode Mark
Maximum Ratings (TA=25℃ unless otherwise noted)
DO-35.