
1N5221A/B THRU 1N5281A/B
0.5W SILICON PLANAR
ZENER DIODES
Features
Mechanical Data
· Standards zener voltage tolerance is ±20%.Add suffix "A"
for ±10% tolerance and suffix "B" for ±5% tolerance
other tolerance, non standards and higher zener voltage
upon request
· Case : DO-35 glass case
· Polarity : Color band denotes cathode end
· Weight : Approx. 0.13 gram
Absolute Maximum Ratings (Limiting Values)
(TA=25℃)
Electrical Characteristics
(TA=25℃)
Symbols Value Units
Zener current see table "Characteristics"
Power dissipation at TA=75℃mW5001)
Junction Temperature ℃
-65 to+200
Storage Temperature range ℃
P
tot
T
J175
TSTG
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
Symbols Units
Thermal resistance junction to ambient ℃/W
Forward voltage at IF=200mA
1) Valid provided that a distance of 8mm from case are kept at ambient temperature
VF
Min. Typ. Max.
3001)
1.1 V
Dimensions in inches and (millimeters)
DO-35(GLASS)
1.083(27.5)
MIN.
1.083(27.5)
MIN.
0.154(3.9)
MAX.
0.020(0.52)
MAX.
DIA.
0.075(1.9)
MAX.
DIA.
RθJA