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Compensated Deuices Incorporated
Compensated Deuices Incorporated

CDLL943B Datasheet Preview

CDLL943B Datasheet

TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

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CDLL943B pdf
• 1N941BUR-1, 1N943UR-1B, 1N944BUR-1 AND 1N945BUR-1 AVAILABLE IN
JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/157
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 11.7 VOLT NOMINAL ZENER VOLTAGE
• METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
1N941BUR-1 thru1N945BUR-1
and
CDLL941 thru CDLL945B
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 = 15 µA @ 25°C & VR = 8 Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
CDI
TYPE
NUMBER
ZENER
VOLTAGE
VZ @ I ZT
ZENER
TEST
CURRENT
I ZT
CDLL941
CDLL941A
CDLL941B
CDLL942
CDLL942A
CDLL942B
CDLL943
CDLL943A
CDLL943B
CDLL944
CDLL944A
CDLL944B
CDLL945
CDLL945A
CDLL945B
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
(Note 1)
(Note 2)
EFFECTIVE
TEMPERATURE
COEFFICIENT
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 +100
0.0005
30
12
-55 to +150
0.0005
NOTE 1
NOTE 2
Zener impedance is derived by superimposing on lZT A 60Hz rms a.c.
current equal to 10% of lZT.
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.
MILLIMETERS INCHES
DIM MIN MAX MIN MAX
D 1.60 1.70 0.063 0.067
F 0.41 0.55 0.016 0.022
G 3.30 3.70 .130 .146
G1 2.54 REF. .100 REF.
S 0.03 MIN. .001 MIN.
FIGURE 1
DESIGN DATA
CASE: DO-213AA, Hermetically sealed
glass case. (MELF, SOD-80, LL34)
LEAD FINISH: Tin / Lead
POLARITY: Diode to be operated with
the banded (cathode) end positive.
MOUNTING POSITION: Any.
MOUNTING SURFACE SELECTION:
The Axial Coefficient of Expansion
(COE) Of this Device is Approximately
+6PPM/°C. The COE of the Mounting
Surface System Should Be Selected To
Provide A Suitable Match With This
Device.
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



Compensated Deuices Incorporated
Compensated Deuices Incorporated

CDLL943B Datasheet Preview

CDLL943B Datasheet

TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

No Preview Available !

CDLL943B pdf
CDLL941
thru
CDLL945B
600
500
400
300
200
100
0
0
25 50 75 100 125 150
TL, Ambient temperature (°C)
FIGURE 2
POWER DERATING CURVE
175
+.0010
+.0005
0
-.0005
-.0010
5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5
OPERATING CURRENT lZT (mA)
FIGURE 3
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT
100
50
20
10
5
2
1
5 6 7 8 9 10
OPERATING CURRENT lZT (mA)
FIGURE 4
ZENER IMPEDANCE VS. OPERATING CURRENT


Part Number CDLL943B
Description TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
Maker Compensated Deuices Incorporated
Total Page 2 Pages
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CDLL943B pdf
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