English
Language : 

1N4728A Datasheet, PDF (1/4 Pages) Motorola, Inc – One Watt Hermetically Sealed Glass Silicon Zener Diodes
WTE
POWER SEMICONDUCTORS
1N4728A – 1N4764A Pb
1.0W ZENER DIODE
Features
! Planar Die Construction
! 1.0 Watt Power Dissipation
! 3.3 – 100V Nomimal Zener Voltage
! 5% Standard Vz Tolerance
! Low Inductance
! Typical IR Less Than 5.0µA Above 11V
! Plastic Case Material Has UL Flammability
A
B
A
Classification Rating 94V-O
C
D
Mechanical Data
! Case: DO-41 Glass Package
! Terminals: Axial Leads, Solderable per
MIL-STD-202, Method 208
! Polarity: Cathode Band
! Marking: Type Number
! Weight: 0.35 grams (approx.)
! Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
DO-41 GLASS
Dim
Min
Max
A
25.40
—
B
4.10
5.20
C
0.65
0.75
D
2.50
3.20
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Peak Pulse Power Dissipation at TA = 50°C (Note 1)
Derate above 50°C
Peak Forward Surge Current (Note 2)
Forward Voltage @ IF = 200mA
Operating and Storage Temperature Range
Symbol
Pd
IFSM
VF
Tj, TSTG
Note: 1. Mounted on 5.0mm2 (0.013mm thick) land area.
2. Measured on 8.3ms single half sine-wave duty cycle = 4 pulses per minutes maximum.
Value
1.0
6.67
10
1.2
-65 to +150
Unit
W
mW/°C
A
V
°C
1N4728A – 1N4764A
1 of 4
© 2006 Won-Top Electronics