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Compensated Deuices Incorporated
Compensated Deuices Incorporated

CDLL4921A Datasheet Preview

CDLL4921A Datasheet

TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

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CDLL4921A pdf
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 19.2 VOLT NOMINAL ZENER VOLTAGE + 5%
• LOW NOISE
• DOUBLE PLUG CONSTRUCTION
• METALLURGICALLY BONDED
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 = 15µA @ 25°C & VR = 12Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
CDI
TYPE
NUMBER
(Note 3)
CDLL4916
CDLL4916A
CDLL4917
CDLL4917A
CDLL4918
CDLL4918A
CDLL4919
CDLL4919A
CDLL4920
CDLL4920A
CDLL4921
CDLL4921A
CDLL4922
CDLL4922A
CDLL4923
CDLL4923A
CDLL4924
CDLL4924A
CDLL4925
CDLL4925A
CDLL4926
CDLL4926A
CDLL4927
CDLL4927A
CDLL4928
CDLL4928A
CDLL4929
CDLL4929A
CDLL4930
CDLL4930A
CDLL4931
CDLL4931A
CDLL4932
CDLL4932A
TEST
CURRENT
l ZT
mA
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
2.0
2.0
2.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
VOLTAGE
TEMPERATURE
STABILITY
VZT
(Note 2)
mV
144
298
72
149
29
60
144
298
72
149
29
60
144
298
72
149
29
60
144
298
72
149
29
60
14
30
144
298
72
149
29
60
14
30
TEMPERATURE
RANGE
°C
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
+25 to +100
-55 to +100
EFFECTIVE
TEMPERATURE
COEFFICIENT
%/°C
0.01
0.01
0.005
0.005
0.002
0.002
0.01
0.01
0.005
0.005
0.002
0.002
0.01
0.01
0.005
0.005
0.002
0.002
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
MAXIMUM
DYNAMIC
IMPEDANCE
ZZT
(Note 1)
OHMS
600
600
600
600
600
600
300
300
300
300
300
300
150
150
150
150
150
150
75
75
75
75
75
75
75
75
36
36
36
36
36
36
36
36
MAXIMUM
NOISE
DENSITY
ND
µ V/ Hz
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.22
0.22
0.22
0.22
0.22
0.22
0.22
0.22
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
NOTE 1
NOTE 2
NOTE 3
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.
Zener voltage range equals 19.2 volts + 5%.
CDLL4916
thru
CDLL4932A
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

CDLL4921A Datasheet Preview

CDLL4921A Datasheet

TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

No Preview Available !

CDLL4921A pdf
CDLL4916 thru CDLL4932A
1000
500
200
100
50
20
10
2 4 6 8 10 12
OPERATING CURRENT lZT (mA)
FIGURE 2
ZENER IMPEDANCE VS. OPERATING CURRENT
1N4916 - 1N4918
1N4919 - 1N4921
1N4922 - 1N4924
+.0015
+.0010
+.0005
0
-.0005
-.0010
-.0015
.2 .4 .6 .8
OPERATING CURRENT lZT (mA)
0.5 1.0 1.5 2.0
OPERATING CURRENT lZT (mA)
1.0 2.0 3.0 4.0
OPERATING CURRENT lZT (mA)
1N4925 - 1N4928
1N4929 - 1N4932
+.0015
+.0010
+.0005
0
-.0005
-.0010
-.0015
2
34
56
OPERATING CURRENT lZT (mA)
67 89
OPERATING CURRENT lZT (mA)
FIGURE 3
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT


Part Number CDLL4921A
Description TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
Maker Compensated Deuices Incorporated
Total Page 2 Pages
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CDLL4921A pdf
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