BL
GALAXY ELECTRICAL
ZENER DIODES
FEATURES
Silicon planar power zener diodes
Standard zener voltage tolerance is ±2%.
Other
zener
voltage and tolerances are available upon request.
HZ - SERIES
POWER DISSIPATION: 500 mW
DO-35(GLASS)
MECHANICAL DATA
Case:DO--35, glass case
Terminals: solderable per MIL-STD-202, method 208
Polarity: cathode band
Marking: type number
Approx. weight: 0.012 grams.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
SYMBOL
Zener current (see Table "Characteristics")
VALUE
UNIT
Power dissipation at T
amb
=25
P
tot
T
J
T
s
500
1)
175
-55---+175
mW
Junction temperature
Storage temperature
range
SYMBOL
Thermal resistance junction to ambient
MIN
TYP
MAX
300
1)
1.1
UNIT
/W
R
θ
JA
V
F
Forw ard voltage at I
F
=100mA
V
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NOTES:
(1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
Document Number 0284003
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- BREAKDAWN CHARACTERISTICS
HZ-SERIES
10
-2
HZ6B2
HZ4B2
HZ2B2
HZ9B2
HZ12B2
HZ16-2
HZ20-2
HZ24-2
HZ30-2
HZ36-2
10
-3
10
-4
10
-5
10
-6
10
-7
10
-8
0
5
10
15
20
25
30
35
40
FIG.2 -- TEMPERATURE COEFFICIENT
FIG.3 -- ADMISSIBLE POWER DISSIPATION
F
VERSUS AMBIENT TEMPERATURE
ZENER VOLTAGE TEMPERATURE COEFFICIENT
γ
z
mV/
ZENER VOLTAGE TEMPERATURE COEFFICIENT
γ
z
%/
0.10
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
-0.10
0
5
10 15 20 25
mV/
℃
%/
℃
50
40
30
20
10
0
-10
-20
-30
-40
-50
30 35 40
500
400
POWER DISSIPATION, mW
300
200
100
0
0
50
100
150
200
ZENER VOLTAGE, V
AMBIENT TEMPERATURE,
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Document Number 0284003
BL
GALAXY ELECTRICAL
3.
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