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  Microsemi Electronic Components Datasheet  

CDLL938A Datasheet

(CDLL935 - CDLL938B) TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

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CDLL938A pdf
• 1N935BUR-1, 1N937BUR-1 and 1N938BUR-1 AVAILABLE IN
JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156
• TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
• LEADLESS PACKAGE FOR SURFACE MOUNT
• 9.0 VOLT NOMINAL ZENER VOLTAGE
• METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
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
l R = 10 µA @ 25°C & VR = 6 Vdc
1N935BUR-1 thru 1N938BUR-1
and
CDLL935 thru CDLL938B
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified.
CDI
TYPE
NUMBER
CDLL935
CDLL935A
CDLL935B
CDLL936
CDLL936A
CDLL936B
CDLL937
CDLL937A
CDLL937B
CDLL938
CDLL938A
CDLL938B
ZENER
VOLTAGE
VZ@ I ZT
VOLTS
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
8.55 - 9.45
ZENER
TEST
CURRENT
I ZT
mA
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
7.5
MAXIMUM VOLTAGE
ZENER TEMPERATURE
IMPEDANCE
ZZT
STABILITY
³V ZT
TEMPERATURE
RANGE
EFFECTIVE
TEMPERATURE
COEFFICIENT
MAXIMUM
(Note 1)
(Note 2)
OHMS
mV
°C % / °C
20 67 0 to + 75 0.01
20
139 -55 to +100
0.01
20
184 -55 to +150
0.01
20
34
0 to + 75
0.005
20
70
-55 to +100
0.005
20
92
-55 to +150
0.005
20
13
0 to + 75
0.002
20
28
-55 to +100
0.002
20
37
-55 to +150
0.002
20
6.7 0 to + 75
0.001
20
13.9
-55 to +100
0.001
20
19
-55 to +150
0.001
NOTE 1
NOTE 2
Zener impedance is derived by superimposing on lZTA 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.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
99


  Microsemi Electronic Components Datasheet  

CDLL938A Datasheet

(CDLL935 - CDLL938B) TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

No Preview Available !

CDLL938A pdf
CDLL935
thru
CDLL938B
600
500
400
300
200
100
0
0
25 50 75 100 125 150
TL, Ambient temperature (°C)
FIGURE 2
POWER DERATING CURVE
175
100
50
40
30
20
10
5
4
3
2
1
56
78
9 10
OPERATING CURRENT lZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
+.0015
+.0010
+.0005
0
-.0005
-.0010
-.0015
5
100
6 78 9
OPERATING CURRENT lZT (mA)
FIGURE 4
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT
WITH CHANGE IN OPERATING CURRENT
10


Part Number CDLL938A
Description (CDLL935 - CDLL938B) TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
Maker Microsemi Corporation
Total Page 2 Pages
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