• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 9.1 VOLT NOMINAL ZENER VOLTAGE + 5%
• LOW CURRENT OPERATING RANGE: 0.5 and 1.0 mA
• METALLURGICALLY BONDED
• DOUBLE PLUG CONSTRUCTION
CDLL4765
thru
CDLL4774A
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 = 10
µ
A @ 25°C & VR = 6Vdc
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise speci½ed.
ZENER
VOLTAGE
vz @ I
ZT
ZENER
TEST
CURRENT
I
ZT
MAXIMUM
ZENER
IMPEDANCE
ZZT
(Note 1)
mA
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
OHMS
350
350
350
350
350
350
350
350
350
350
200
200
200
200
200
200
200
200
200
200
MAXIMUM
VOLTAGE
TEMPERATURE
TEMPERATURE
RANGE
STABILITY
³V
ZT
MAXIMUM
(Note 2)
mV
68
141
34
70
14
28
6.8
14
3.4
7
68
141
34
70
14
28
6.8
14
3.4
7
0
-55
0
-55
0
-55
0
-55
0
-55
0
-55
0
-55
0
-55
0
-55
0
-55
°C
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
75
100
75
100
75
100
75
100
75
100
75
100
75
100
75
100
75
100
75
100
% / °C
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
0.0005
0.0005
0.01
0.01
0.005
0.005
0.002
0.002
0.001
0.001
0.0005
0.0005
EFFECTIVE
TEMPERATURE
COEFFICIENT
TYPE
NUMBERS
(Note 3)
VOLTS
CDLL4765
CDLL4765A
CDLL4766
CDLL4766A
CDLL4767
CDLL4767A
CDLL4768
CDLL4768A
CDLL4769
CDLL4769A
CDLL4770
CDLL4770A
CDLL4771
CDLL4771A
CDLL4772
CDLL4772A
CDLL4773
CDLL4773A
CDLL4774
CDLL4774A
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
9.1
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.
NOTE 1
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 speci½ed mV at any discrete temperature
between the established limits, per JEDEC standard No.5.
Zener voltage range equals 9.1 volts +5%
NOTE 2
NOTE 3
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
129
CDLL4774A
thru
Pd, Rated Power
Dissipation (mW)
CDLL4765
600
500
400
300
200
100
0
0
25
50
75
100
125
150
175
TL, Ambient temperature (°C)
FIGURE 2
POWER DERATING CURVE
1000
500
ZENER IMPEDANCE Z
(OHMS)
ZT
100
50
10
1
2
OPERATING CURRENT lZT (mA)
3
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
+.0015
CHANGE IN TEMPERATURE COEFFICIENT ( %/°C)
+.0010
+.0005
0
-.0005
-.0010
-.0015
0.5
1.0
1.5
OPERATING CURRENT lZT (mA)
2.0
FIGURE 3
130
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT
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