1N4278 Datasheet, PDF (1/3 Pages) Jinan Jingheng (Group) Co.,Ltd – 1W SILICON PLANAR ZENER DIODES

R
SEMICONDUCTOR
1W SILICON PLANAR ZENER DIODES
FEATURES
DO-41(GLASS)
Silicon planar power zener diodes
For use in stabilizing and clipping circuits with high power rating.
Standards Zener voltage tolerance is 10%.
Add suffix "A" for 5% tolerance Other tolerance available upon
request
MECHANICAL DATA
0.102(2.6)
MAX
DIA
1.102(28)
MIN
0.161(4.1)
MAX
Case: DO-41 glass case
Weight: Approx. 0.35 gram
0.034(0.86)
MAX
DIA
1.102(28)
MIN
Dimensions in inches and (millimeters)
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES) (TA=25 C)
Zener current see table "Characteristics"
Power dissipation at TA=25 C
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
ELECTRICAL CHARACTERISTICS (TA=25 C)
1¹⁾
175
-65 to+175
mW
C
C
Thermal resistance junction to ambient air
RthA
Forward voltage at IF=200mA
VF
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
170¹⁾
1.2
C /W
V