The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
CYStech Electronics Corp.
Zener Diode Series
ZD52XXAN3
Spec. No. : C326N3 Issued Date : 2003.04.14 Revised Date : 2013.08.05 Page No. : 1/14
SOT-23
Thermal Characteristics
Characteristics
Symbol
Max
Unit
Total Device Dissipation FR-5 Board TA=25°C, Derate above 25°C Total Device Dissipation Alumina Substrate**TA=25°C, Derate above 25°C
Thermal Resistance Junction to Ambient
Junction and Storage Temperature
PD
PD RθJA Tj, Tstg
225 1.8
300 2.4
417
-55 to +150
mW mW/°C
mW mW/°C
°C/W
°C
*FR-5 - 1.0×0.75×0.062 in. **Alumina - 0.4×0.3×0.024 in. 99.5% alumina.
Electrical Characteristic (VF=0.9V Max @IF=10mA for all types.)
Nom. Zener Voltage
Device
Marking Code
VZ@IZT (V)
Nom. Min Max
ZD5221A 18A 2.4 2.35 2.45
ZD5223A 18C 2.7 2.65 2.75
ZD5225A 18E 3.0 2.94 3.06
ZD5226A 8A 3.