1N749A
DESCRIPTION
: The CENTRAL SEMICONDUCTOR 1N746A series silicon Zener diode is a highly reliable voltage regulator designed for use in industrial, mercial, entertainment and puter applications.
MARKING: Devices shall either be marked with the prefix ‘C’ followed by the full part number or by the marking code in the Electrical Characteristics Table.
DO-35 CASE
MAXIMUM RATINGS: (TL=75°C) Power Dissipation
Operating and Storage Junction Temperature
SYMBOL
PD TJ, Tstg
500 -65 to +200
UNITS m W °C
ELECTRICAL CHARACTERISTICS: (TA=25°C) VF=1.5V MAX @ IF=200m A (for all types)
Type
Zener Voltage VZ @ IZT
Test Current
Maximum Zener
Impedance
MIN NOM MAX IZT ZZT @ IZT
V V V m A
Ω
Maximum Reverse Leakage
Current
IR @ VR μA V
Maximum Reverse Leakage
Current @ TA=150°C
IR @ VR
μA V
Maximum Regulator
Current
IZM m A
Marking Code
1N746A 3.135 3.3 3.465 20
10 1.0 30 1.0
110 C746A
1N747A 3.420 3.6 3.780 20
10 1.0 30 1.0
100 C747A
1N748A 3.705 3.9 4.095...
