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1N3821A Datasheet(PDF) 1 Page - Compensated Deuices Incorporated

Part No. 1N3821A
Description  1 WATT ZENER DIODE
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Maker  CDI-DIODE [Compensated Deuices Incorporated]
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1N3821A Datasheet(HTML) 1 Page - Compensated Deuices Incorporated

   
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22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com
E-mail: mail@cdi-diodes.com
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass
case, DO41.
LEAD MATERIAL: Copper clad steel
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJEC):
80 ˚C/W maximum at L = .375 inch
THERMAL IMPEDANCE: (ZOJX): 15
˚C/W maximum
POLARITY: Diode to be operated with
the banded (cathode) end positive.
MOUNTING POSITION: Any.
ELECTRICAL CHARACTERISTICS @ 25°C
CDI
NOMINAL
ZENER
MAX. DC
TYPE
ZENER
TEST
MAXIMUM ZENER IMPEDANCE
ZENER
MAX. REVERSE
NUMBER
VOLTAGE
CURRENT
CURRENT
LEAKAGE CURRENT
VZ @1ZT
1ZT
ZZT @ 1ZT
ZZK @ 1ZK=1mA
1ZM
lR @ VR
(NOTE 1)
(NOTE 3)
(NOTE 2)
VOLTS
mA
OHMS
OHMS
mA
µ A
VOLTS
1N3821
3.3
76
10
400
276
100
1
1N3821A
3.3
76
10
400
276
100
1
1N3822
3.6
69
10
400
252
75
1
1N3822A
3.6
69
10
400
252
75
1
1N3823
3.9
64
9
400
238
25
1
1N3823A
3.9
64
9
400
238
25
1
1N3824
4.3
58
9
400
213
5
1
1N3824A
4.3
58
9
400
213
5
1
1N3825
4.7
53
8
500
194
5
1
1N3825A
4.7
53
8
500
194
5
1
1N3826
5.1
49
7
550
178
3
1
1N3826A
5.1
49
7
550
178
3
1
1N3827
5.6
45
5
600
162
3
2
1N3827A
5.6
45
5
600
162
3
2
1N3828
6.2
41
2
700
146
3
3
1N3828A
6.2
41
2
700
146
3
3
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 1 watt @TL = 95°C
Power Derating: 12.5 mW / °C above TL = 95°C
Forward Voltage @ 200mA = 1.2 volts maximum
NOTE 1
No suffix = + 10% tolerance on nominal Zener voltage, suffix “A” signifies +5%, suffix “C”
signifies + 2%, suffix “D” signifies + 1%.
NOTE 2
Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to
10% of 1ZT.
NOTE 3
Zener voltage is measured with the device junction in thermal equilibrium at an ambient
temperature of 25°C + 3°C.
• 1N3821A-1 THRU 1N3828A-1 AVAILABLE IN JAN, JANTX AND JANTXV
PER MIL-PRF-19500/115
• 1 WATT ZENER DIODE
• DOUBLE PLUG CONSTRUCTION
• METALLURGICALLY BONDED
1N3821A thru 1N3828A
and
1N3821A-1 thru 1N3828A-1


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