1N4728A Datasheet, PDF (1/3 Pages) Motorola, Inc – One Watt Hermetically Sealed Glass Silicon Zener Diodes

VOLTAGE RANGE: 3.3 - 400V
POWER: 1.0Wa t t s
Features
! Complete voltage range 3.3 to 400 Volts
! ^{High peak reverse power dissipation}
! High reliability
! _{Low leakage current}
Mechanical Data
! Case : DO-41 Molded plastic
! ^{Lead : Axial lead solderable per MIL-STD-202,}
! method 208 guaranteed
! Polarity : Color band denotes cathode end
! Mounting position : Any
! ^{Weight : 0.339 gram}
1N4728A - Z1400A
AXIAL LEADED SILICON ZENER DIODES
A
B
A
C
D
DO-41
Dim
Min
Max
A
25.40
¾
B
4.06
5.21
C
0.71
0.864
D
2.00
2.72
All Dimensions in mm
Maximum Ratings @ TA = 25°C unless otherwise specified
Rating
DC Power Dissipation at TL = 50 °C (Note1)
Maximum Forward Voltage at IF = 200 mA
Symbol
PD
VF
Maximum Thermal Resistance Junction to Ambient Air (Note2)
Junction Temperature Range
RθJA
TJ
Storage Temperature Range
Ts
Note :
(1) TL = Lead temperature at 3/8 " (9.5mm) from body
(2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case.
Value
1.0
1.2
170
- 55 to + 175
- 55 to + 175
Unit
Watt
Volts
K/W
°C
°C
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