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1N4728A Datasheet, PDF (1/9 Pages) Motorola, Inc – One Watt Hermetically Sealed Glass Silicon Zener Diodes
MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
1–1.3 Watt DO-41 Glass
Zener Voltage Regulator Diodes
GENERAL DATA APPLICABLE TO ALL SERIES IN
THIS GROUP
One Watt Hermetically Sealed Glass
Silicon Zener Diodes
Specification Features:
• Complete Voltage Range — 3.3 to 100 Volts
• DO-41 Package
• Double Slug Type Construction
• Metallurgically Bonded Construction
• Oxide Passivated Die
Mechanical Characteristics:
CASE: Double slug type, hermetically sealed glass
MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES: 230°C, 1/16″ from
case for 10 seconds
FINISH: All external surfaces are corrosion resistant with readily solderable leads
POLARITY: Cathode indicated by color band. When operated in zener mode, cathode
will be positive with respect to anode
MOUNTING POSITION: Any
WAFER FAB LOCATION: Phoenix, Arizona
ASSEMBLY/TEST LOCATION: Seoul, Korea
MAXIMUM RATINGS
Rating
DC Power Dissipation @ TA = 50°C
Derate above 50°C
Operating and Storage Junction Temperature Range
Symbol
PD
TJ, Tstg
GENERAL
DATA
1–1.3 WATT
DO-41 GLASS
1 WATT
ZENER REGULATOR
DIODES
3.3–100 VOLTS
CASE 59-03
DO-41
GLASS
Value
1
6.67
– 65 to +200
Unit
Watt
mW/°C
°C
1.25
L = LEAD LENGTH
L = 1″
TO HEAT SINK
1
L = 1/8″
L = 3/8″
0.75
0.5
0.25
0 20 40 60 80 100 120 140 160 180 200
TL, LEAD TEMPERATURE (°C)
Figure 1. Power Temperature Derating Curve
1–1.3 Watt DO-41 Glass Data Sheet
6-20
Motorola TVS/Zener Device Data