CDIDI CDLL4899, CDLL4898A, CDLL4898, CDLL4897A, CDLL4897 Datasheet

22 COREY STREET, MELROSE, MASSACHUSETTS 02176
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WEBSITE: http://www.cdi-diodes.com E-mail: [e-mail]

• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

• LEADLESS PACKAGE FOR SURFACE MOUNT

• 12.8 VOLT NOMINAL ZENER VOLTAGE +

5%

• LOW NOISE

• METALLURGICALLY BONDED

• DOUBLE PLUG CONSTRUCTION

CDLL4896

thru

CDLL4915A

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= 8Vdc

ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.

CDI VOLTAGE EFFECTIVE MAXIMUM MAXIMUM

TYPE TEST TEMPERATURE TEMPERATURE TEMPERATURE DYNAMIC NOISE

NUMBER CURRENT STABILITY RANGE COEFFICIENT IMPEDANCE DENSITY

l

ZT

∆V

ZT

Z

ZT

N

D

(Note 3) (Note 2) (Note 1)

mA mV °C %/°C OHMS

µ

V/ Hz

CDLL4896 0.5 96 +25 to +100 0.01 400 0.8
CDLL4896A 0.5 198 -55 to +100 0.01 400 0.8
CDLL4897 0.5 48 +25 to +100 0.005 400 0.8
CDLL4897A 0.5 99 -55 to +100 0.005 400 0.8

CDLL4898 0.5 19 +25 to +100 0.002 400 0.8
CDLL4898A 0.5 40 -55 to +100 0.002 400 0.8
CDLL4899 0.5 10 +25 to +100 0.001 400 0.8
CDLL4899A 0.5 20 -55 to +100 0.001 400 0.8

CDLL4900 1.0 96 +25 to +100 0.01 200 0.4
CDLL4900A 1.0 198 -55 to +100 0.01 200 0.4
CDLL4901 1.0 48 +25 to +100 0.005 200 0.4
CDLL4901A 1.0 99 -55 to +100 0.005 200 0.4

CDLL4902 1.0 19 +25 to +100 0.002 200 0.4
CDLL4902A 1.0 40 -55 to +100 0.002 200 0.4
CDLL4903 1.0 10 +25 to +100 0.001 200 0.4
CDLL4903A 1.0 20 -55 to +100 0.001 200 0.4

CDLL4904 2.0 96 +25 to +100 0.01 100 0.25
CDLL4904A 2.0 198 -55 to +100 0.01 100 0.25
CDLL4905 2.0 48 +25 to +100 0.005 100 0.25
CDLL4905A 2.0 99 -55 to +100 0.005 100 0.25

CDLL4906 2.0 19 +25 to +100 0.002 100 0.25
CDLL4906A 2.0 40 -55 to +100 0.002 100 0.25
CDLL4907 2.0 10 +25 to +100 0.001 100 0.25
CDLL4907A 2.0 20 -55 to +100 0.001 100 0.25

CDLL4908 4.0 96 +25 to +100 0.01 50 0.22
CDLL4908A 4.0 198 -55 to +100 0.01 50 0.22
CDLL4909 4.0 48 +25 to +100 0.005 50 0.22
CDLL4909A 4.0 99 -55 to +100 0.005 50 0.22

CDLL4910 4.0 19 +25 to +100 0.002 50 0.22
CDLL4910A 4.0 40 -55 to +100 0.002 50 0.22
CDLL4911 4.0 10 +25 to +100 0.001 50 0.22
CDLL4911A 4.0 20 -55 to +100 0.001 50 0.22

CDLL4912 7.5 96 +25 to +100 0.01 25 0.20
CDLL4912A 7.5 198 -55 to +100 0.01 25 0.20
CDLL4913 7.5 48 +25 to +100 0.005 25 0.20
CDLL4913A 7.5 99 -55 to +100 0.005 25 0.20

CDLL4914 7.5 19 +25 to +100 0.002 25 0.20
CDLL4914A 7.5 40 -55 to +100 0.002 25 0.20
CDLL4915 7.5 10 +25 to +100 0.001 25 0.20
CDLL4915A 7.5 20 -55 to +100 0.001 25 0.20

NOTE 1 Zener impedance is derived by superimposing on lZTA 60Hz rms a.c. current equal

to 10% of lZT.

NOTE 2 The maximum allowable change observed over the entire temperature range, per

JEDEC standard No.5.

NOTE 3 Zener voltage range equals 12.8 volts +

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.

CDLL4896 thru CDLL4915A

2 4 6 8 10 12

OPERATING CURRENT lZT(mA)

1000

500

200

100

50

20
10

5

2

1

ZENER IMPEDANCE Z

ZT

(OHMS)

FIGURE 2

ZENER IMPEDANCE VS. OPERATING CURRENT

.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)

6789

OPERATING CURRENT lZT(mA)

2 3 4 5 6

OPERATING CURRENT lZT(mA)

+.0015
+.0010

+.0005

0

-.0005

-.0010

-.0015

CHANGE IN TEMPERATURE COEFFICIENT ( %/°C)

FIGURE 3

TYPICAL CHANGE OF TEMPERATURE COEFFICIENT

WITH CHANGE IN OPERATING CURRENT

+.0015
+.0010
+.0005

0

-.0005

-.0010

-.0015

CHANGE IN TEMPERATURE

COEFFICIENT ( %/°C)

CDLL4896 - CDLL4999

CDLL4904 - CDLL4907

CDLL4900 - CDLL4903

CDLL4908 - CDLL4911

CDLL4912 - CDLL4915