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* TEMPERATURE COMPENSATED ZENER REFERENCE DIODES * LEADLESS PACKAGE FOR SURFACE MOUNT * 19.2 VOLT NOMINAL ZENER VOLTAGE + 5% * LOW NOISE * DOUBLE PLUG CONSTRUCTION * METALLURGICALLY BONDED
CDLL4916 thru CDLL4932A
MAXIMUM RATINGS
Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500mW @ +50C Power Derating: 4 mW / C above +50C
REVERSE LEAKAGE CURRENT
lR = 15A @ 25C & VR = 12Vdc ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified.
CDI TYPE NUMBER (Note 3) mA 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 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 EFFECTIVE TEMPERATURE COEFFICIENT 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
TEST CURRENT l ZT
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
%/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
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
DIM D F G G1 S
MILLIMETERS INCHES MIN MAX MIN MAX 1.60 1.70 0.063 0.067 0.41 0.55 0.016 0.022 3.30 3.70 .130 .146 2.54 REF. .100 REF. 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.
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. Zener voltage range equals 19.2 volts + 5%.
NOTE 3
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
CDLL4916
1000 ZENER IMPEDANCE ZZT (OHMS) 500
thru
CDLL4932A
200
100
50
20
10
2
4 6 8 10 OPERATING CURRENT lZT (mA)
12
FIGURE 2
ZENER IMPEDANCE VS. OPERATING CURRENT
CHANGE IN TEMPERATURE COEFFICIENT ( %/C)
1N4916 - 1N4918
+.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 .2 .4 .6 .8 OPERATING CURRENT lZT (mA)
1N4919 - 1N4921
1N4922 - 1N4924
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
CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0015 +.0010 +.0005 0 -.0005 -.0010 -.0015 2 3 4 5 6 OPERATING CURRENT lZT (mA)
1N4929 - 1N4932
6 7 8 9 OPERATING CURRENT lZT (mA)
FIGURE 3
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT

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