# CDLL4765 - CDLL4774A Datasheet Summary## Device OverviewThis document summarizes the specifications for the CDLL4765 through CDLL4774A series of Zener diodes. These are hermetically sealed devices in a DO-213AA package, suitable for various applications. They are characterized by a Zener voltage of 9.1V ±5%.
## Key Features ️· Zener Voltage: 9.1V ± 5%
️· Package: DO-213AA (MELF, SOD-80, LL34)
️· Polarity: Banded Cathode
️· Hermetically Sealed: Ensures reliability.
## Electrical Characteristics (Typical Values)
| Parameter |
Specification |
| Zener Voltage (Vz) |
9.1V ± 5% |
| Reverse Leakage Current (Ir) |
10 µA @ 25°C, VR = 6Vdc |
| Zener Impedance (ZZT) |
Values vary by model, See table below |
| Temperature Coefficient |
Values vary by model, See table below |
Table of Electrical Characteristics
| Model |
Vz (Volts) |
Izt (mA) |
ZZT (Ohms) |
ΔVzt (mV) |
Temperature Range (°C) |
Temperature Coefficient (%/°C) |
| CDLL4765 |
9.1 |
0.5 |
350 |
68 |
0 to + 75 |
0.01 |
| CDLL4765A |
9.1 |
0.5 |
350 |
141 |
-55 to + 100 |
0.01 |
| CDLL4766 |
9.1 |
0.5 |
350 |
34 |
0 to + 75 |
0.005 |
| CDLL4766A |
9.1 |
0.5 |
350 |
70 |
-55 to + 100 |
0.005 |
| CDLL4767 |
9.1 |
0.5 |
350 |
14 |
0 to + 75 |
0.002 |
| CDLL4767A |
9.1 |
0.5 |
350 |
28 |
-55 to + 100 |
0.002 |
| CDLL4768 |
9.1 |
0.5 |
350 |
6.8 |
0 to + 75 |
0.001 |
| CDLL4768A |
9.1 |
0.5 |
350 |
14 |
-55 to + 100 |
0.001 |
| CDLL4769 |
9.1 |
0.5 |
350 |
3.4 |
0 to + 75 |
0.0005 |
| CDLL4769A |
9.1 |
0.5 |
350 |
7 |
-55 to + 100 |
0.0005 |
| CDLL4770 |
9.1 |
1.0 |
200 |
68 |
0 to + 75 |
0.01 |
| CDLL4770A |
9.1 |
1.0 |
200 |
141 |
-55 to + 100 |
0.01 |
| CDLL4771 |
9.1 |
1.0 |
200 |
34 |
0 to + 75 |
0.005 |
| CDLL4771A |
9.1 |
1.0 |
200 |
70 |
-55 to + 100 |
0.005 |
| CDLL4772 |
9.1 |
1.0 |
200 |
14 |
0 to + 75 |
0.002 |
| CDLL4772A |
9.1 |
1.0 |
200 |
28 |
-55 to + 100 |
0.002 |
| CDLL4773 |
9.1 |
1.0 |
200 |
6.8 |
0 to + 75 |
0.001 |
| CDLL4773A |
9.1 |
1.0 |
200 |
14 |
-55 to + 100 |
0.001 |
| CDLL4774 |
9.1 |
1.0 |
200 |
3.4 |
0 to + 75 |
0.0005 |
| CDLL4774A |
9.1 |
1.0 |
200 |
7 |
-55 to + 100 |
0.0005 |
## Physical Dimensions
| Dimension |
Millimeters |
Inches |
| D |
1.60 - 1.70 |
0.063 - 0.067 |
| F |
0.41 - 0.55 |
0.016 - 0.022 |
| G |
3.30 - 3.70 |
0.130 - 0.146 |
| G1 |
2.54 REF |
0.100 REF |
| S |
0.03 MIN |
0.001 MIN |
## Operating Conditions ️· Mounting Surface Selection: Consider the coefficient of thermal expansion (CTE) of the mounting surface to ensure reliable operation.
️· Power Derating: Reduce power dissipation at higher temperatures.
️· Polarity: Observe the banded cathode marking when connecting the diode.
## Contact Information ️· Address: 22 Corey Street, Melrose, Massachusetts 02176
️· Website: [http://www.cdi-diodes.com/](http://www.cdi-diodes.com/)
️· Phone: (781) 665-1071