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Compensated Deuices Incorporated
Compensated Deuices Incorporated

CDLL827A Datasheet Preview

CDLL827A Datasheet

TEMPERATURE COMPENSATED ZENER DIODES

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CDLL827A pdf
• 1N821UR-1, 1N823UR-1, 1N825UR-1, 1N827UR-1 AND 1N829UR-1 AVAILABLE
IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/159
• TEMPERATURE COMPENSATED ZENER DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 6.2 AND 6.55 VOLT NOMINAL ZENER VOLTAGES
• METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
1N821UR-1 thru 1N829UR-1
and
CDLL821 thru CDLL829A
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 = 2 µA @ 25°C & VR = 3 Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
CDI
TYPE
NUMBER
CDLL821
CDLL821A
CDLL822
ZENER
VOLTAGE
VZ @ I ZT
VOLTS
5.9 - 6.5
5.9 - 6.5
5.9 - 6.5
ZENER
TEST
CURRENT
I ZT
mA
7.5
7.5
7.5
MAXIMUM
ZENER
IMPEDANCE
(Note 1)
ZZT
OHMS
15
10
15
VOLTAGE
TEMPERATURE
STABILITY
V ZT
-55° to +100°
(Note 2)
mV
96
96
96
EFFECTIVE
TEMPERATURE
COEFFICIENT
% / °C
0.01
0.01
0.01
CDLL823
CDLL823A
CDLL824
5.9 - 6.5
5.9 - 6.5
5.9 - 6.5
7.5
7.5
7.5
15 48
10 48
15 48
0.005
0.005
0.005
CDLL825
CDLL825A
CDLL826
5.9 - 6.5
5.9 - 6.5
6.2 - 6.9
7.5
7.5
7.5
15 19
10 19
15 20
0.002
0.002
0.002
CDLL827
CDLL827A
CDLL828
CDLL829
CDLL829A
5.9 - 6.5
5.9 - 6.5
6.2 - 6.9
5.9 - 6.5
5.9 - 6.5
7.5
7.5
7.5
7.5
7.5
15 9
10 9
15 10
0.001
0.001
0.001
15 5 0.0005
10 5 0.0005
† Double Anode: Electrical Specifications Apply Under Both Bias Polarities.
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

CDLL827A Datasheet Preview

CDLL827A Datasheet

TEMPERATURE COMPENSATED ZENER DIODES

No Preview Available !

CDLL827A pdf
CDLL821 thru CDLL829A
600
500
400
300
200
100
0
0
25 50 75 100 125 150
TL, Ambient temperature (°C)
FIGURE 2
POWER DERATING CURVE
175
500
100
50
10
5
1
5 6 7 8 9 10
OPERATING CURRENT lZT (mA)
FIGURE 3
ZENER IMPEDANCE
VS.
OPERATING CURRENT
+.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 4
TYPICAL CHANGE OF TEMPERATURE
COEFFICIENT WITH CHANGE IN
OPERATING CURRENT


Part Number CDLL827A
Description TEMPERATURE COMPENSATED ZENER DIODES
Maker Compensated Deuices Incorporated
Total Page 2 Pages
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