1. Device Type & Series:

️· Type: Current Limiting Diodes/Current Regulator Diodes.
️· Series: CDLL (CDI Diodes)
️· Range: CDLL5283 through CDLL5314, and 1N5283UR-1 through 1N5314UR-1.

2. Key Electrical Characteristics (from the table of parameters - summarized in bullet points below):

️· I_R (Reverse Current): Ranges from 0.205 µA (for CDLL5297) to 0.012 µA (for CDLL5314)
️· I_F (Forward Current): Ranges from 1.00 A (CDLL5297) to 4.70 A (CDLL5314).
️· V_BR (Breakover Voltage): Ranges from 1.05V (CDLL5298) to 2.90V (CDLL5314)
️· Z_S (Dynamic Resistance): Varies significantly. Ranges from 1.10 (CDLL5297) to 0.235 (CDLL5314).
️· Z_K (Peak Reverse Voltage): Values vary from 1.05 to 2.90.

3. Physical Characteristics:

️· Package: DO-213AB (also referred to as LL41 MELF)
️· Lead Finish: Tin/Lead
️· Dimensions (millimeters & inches):
- D: 2.39 - 2.66 (0.094 - 0.105)
- F: 0.41 - 0.55 (0.016 - 0.022)
- G: 4.80 - 5.20 (0.189 - 0.205)
- G1: 4.11 REF. (0.159 REF.)
- S: 0.03 MIN. (0.001 MIN.)

4. Thermal Information:

️· R_θJC: 50 °C/W maximum (Thermal Resistance)
️· Z_θJC: 25 °C/W maximum (Thermal Impedance)

5. Operational Notes:

️· Polarity: The banded end is the cathode (negative).
️· Coefficient of Thermal Expansion: Approximately +6PPM/°C. The mounting surface should be chosen to match this for stability.

Important Notes & Observations:

️· MELF Package: The use of the MELF (Miniature Electronic Leadless) package indicates a surface mount device.
️· Wide Variation: The electrical characteristics vary considerably across the range of devices (CDLL5283 to CDLL5314). This suggests different current limiting/regulation capabilities.
️· Application: These diodes are intended for current limiting or regulation in various electronic circuits.