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1N945 Datasheet PDF

1N945
Compensated Deuices Incorporated

Part Number 1N945
Description 11.7 VOLT NOMINAL ZENER VOLTAGE
Page 2 Pages
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• 1N941B, 1N943B, 1N944B AND 1N945B AVAILABLE IN JAN, JANTX AND JANTXV
PER MIL-PRF-19500/157
• 1N941B-1, 1N943B-1, 1N944B-1 AND 1N945B-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS
PER MIL-PRF-19500/157
• 11.7 VOLT NOMINAL ZENER VOLTAGE
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• METALLURGICALLY BONDED
1N941 thru 1N945B
and
1N941B-1 thru 1N945B-1
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
DC Power Dissipation: 500mW @ +50°C
Power Derating: 4 mW / °C above +50°C
REVERSE LEAKAGE CURRENT
lR = 15µ A @ 25°C & VR = 8 Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
JEDEC
TYPE
NUMBER
1N941
1N941A
1N941B
1N942
1N942A
1N942B
1N943
1N943A
1N943B
1N944
1N944A
1N944B
1N945
1N945A
1N945B
ZENER
VOLTAGE
vz @ I ZT
ZENER
TEST
CURRENT
I ZT
VOLTS
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12—12.28
11.12 -12.28
mA
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
MAXIMUM VOLTAGE TEMPERATURE
ZENER TEMPERATURE
RANGE
IMPEDANCE
ZZT
STABILITY
V ZT
MAXIMUM
EFFECTIVE
TEMPERATURE
COEFFICIENT
(Note 1)
(Note 2)
OHMS
mV
°C % / °C
30 88 0 to + 75 0.01
30
181 -55 to +100
0.01
30
239 -55 to +150
0.01
30
44
0 to + 75
0.005
30
90
-55 to +100
0.005
30 120 -55 to +150 0.005
30
18
0 to + 75
0.002
30
36
-55 to +100
0.002
30
47
-55 to +150
0.002
30
9
0 to + 75
0.001
30
18
-55 to +100
0.001
30
24
-55 to +150
0.001
30
4
0 to + 75
0.0005
30
9
-55 to +150
0.0005
30
12
-55 to +150
0.0005
NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal to
10% of lZT.
NOTE 2 The maximum allowable change observed over the entire temperature range i.e., the
diode voltage will not exceed the specified mV at any discrete temperature between
the established limits, per JEDEC standard No.5.
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass
case. DO – 35 outline.
LEAD MATERIAL: Copper clad steel.
LEAD FINISH: Tin / Lead
POLARITY: Diode to be operated with
the banded (cathode) end positive.
MOUNTING POSITION: Any.
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

















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