View az23c2v7-thru-az23c51 datasheet:

AZ23-C2V7 THRU AZ23-C51 DUAL ZENER DIODES FEATURES ♦ Dual Silicon Planar Zener Diodes, Common Anode SOT-23 .122 (3.1) .118 (3.0) ♦ The Zener voltages are graded according to the inter- .016 (0.4) Top View national E 24 standard. Other voltage tolerances and 3 other Zener voltages are available upon request. ♦ The parameters are valid for both diodes in one case. 1 2 ∆ V and ∆ r of the two diodes in one case is ≤ 5%. Z zj .037(0.95) .037(0.95) ♦ This diode is also available in other case styles and configurations including: the dual diode common cathode configuration with type designation DZ23, the single diode SOT-23 case with the type des- .102 (2.6) ignation BZX84C, and the single diode SOD-123 case with the .016 (0.4) .016 (0.4) .094 (2.4) type