
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
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
= 15
μ
A @ 25°C & V
R
= 8 Vdc
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified.
CDI ZENER ZENER MAXIMUM VOLTAGE TEMPERATURE EFFECTIVE
TYPE
VOLTAGE
TEST
ZENER
NUMBER
CURRENT
IMPEDANCE
VZ@ I ZT
TEMPERATURE
STABILITY
V ZT
MAXIMUM
RANGE
TEMPERATURE
COEFFICIENT
I ZT
ZZT
(Note 1)
(Note 2)
VOLTS
mA
OHMS
mV
°C
% / °C
CDLL941
CDLL941A
CDLL941B
11.12 - 12.28
11.12 - 12.28
11.12 - 12.28
7.5
7.5
7.5
30
30
30
88
181
239
0 to + 75
-55 to +100
-55 to +150
0.01
0.01
0.01
CDLL942
CDLL942A
CDLL942B
11.12 - 12.28
11.12 - 12.28
11.12 - 12.28
7.5
7.5
7.5
30
30
30
44
90
120
0 to + 75
-55 to +100
-55 to +150
0.005
0.005
0.005
CDLL943
CDLL943A
CDLL943B
11.12 - 12.28
11.12 - 12.28
11.12 - 12.28
7.5
7.5
7.5
30
30
30
18
36
47
0 to + 75
-55 to +100
-55 to +150
0.002
0.002
0.002
CDLL944
CDLL944A
CDLL944B
11.12 - 12.28
11.12 - 12.28
11.12 - 12.28
7.5
7.5
7.5
30
30
30
9
0 to + 75
-55 to +100
-55 to +150
0.001
0.001
0.001
18
24
CDLL945
CDLL945A
CDLL945B
11.12 - 12.28
11.12 - 12.28
11.12 -12.28
7.5
7.5
7.5
30
30
30
4
9
0 to + 75
-55 to +100
-55 to +150
0.0005
0.0005
0.0005
12
1N941BUR-1, 1N943UR-1B, 1N944BUR-1 AND 1N945BUR-1 AVAILABLE IN
JAN, JANTX, JANTXV AND JANS
PER MIL-PRF-19500/157
TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
LEADLESS PACKAGE FOR SURFACE MOUNT
11.7 VOLT NOMINAL ZENER VOLTAGE
METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION
1N941BUR-1 thru1N945BUR-1
and
CDLL941 thru CDLL945B
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.
MILLIMETERS INCHES
MIN
MAX
1.60
1.70
0.41
0.55
3.30
3.70
2.54 REF.
0.03 MIN.
DIM
D
F
G
G1
S
MIN
0.063 0.067
0.016 0.022
.130
.100 REF.
.001 MIN.
MAX
.146
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.