
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified.
MAXIMUM
ZENER ZENER MAXIMUM VOLTAGE TEMPERATURE EFFECTIVE
VOLTAGE
TEST
ZENER
TEMPERATURE
CURRENT
IMPEDANCE
VZT@ I ZT
TYPE
NUMBER
RANGE
TEMPERATURE
COEFFICIENT
STABILITY
V ZT
I ZT
ZZT
(Note 3)
(Note 1)
(Note 2)
VOLTS
mA
OHMS
mV
°C
% / °C
CD935
CD935A
CD936
CD936A
CD937
CD937A
9.0
9.0
9.0
9.0
9.0
9.0
7.5
7.5
7.5
7.5
7.5
7.5
30
30
30
30
30
30
67
139
34
70
13
28
0 to + 75
-55 to + 100
0 to + 75
-55 to + 100
0 to + 75
-55 to + 100
0.01
0.01
0.005
0.005
0.002
0.002
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 i.e.,the diode voltage will not exceed the specified mV at any
discrete temperature between the established limits, per JEDEC
standard No.5.
NOTE 3
Zener voltage range equals 9.0 volts + 5%.
FIGURE 1
DESIGN DATA
METALLIZATION:
Top: C (Cathode) .................Al
A (Anode) .....................Al
Back: .....................................Au
AL THICKNESS
.......25,000
Min
GOLD THICKNESS
...4,000
Min
CHIP THICKNESS
.............10 Mils
CIRCUIT LAYOUT DATA:
Backside must be electrically
isolated.
Backside is not cathode.
For Zener operation cathode must
be operated positive with respect
to anode.
TOLERANCES:
ALL
Dimensions + 2 mils
MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS
ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
9.0 VOLT NOMINAL ZENER VOLTAGE + 5%
ELECTRICALLY SIMILAR TO 1N935 THRU 1N937A
COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
CD935
thru
CD937A
38 MILS
23 MILS
3
2
1
8
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
WEBSITE: http://www.cdi-diodes.com
FAX (781) 665-7379
E-mail: mail@cdi-diodes.com