1N4749A Zener Diode 24V 10.5mA 1W DO-41
1N4749A Zener Diode: 24V, 1W voltage regulator in a reliable DO-41 glass package with 5% tolerance for tight circuit stability.
1.00 EGP
Buy Now1N4749A Zener Diode 24V 10.5mA 1W DO-41
The 1N4749A is a high-reliability silicon Zener diode designed for precise electronic circuit management. Encased in a standard DO-41 glass package, this axial-leaded component offers excellent thermal performance and an exceptionally sharp reverse breakdown characteristic. It provides a tight 5% nominal Zener voltage tolerance, making it an excellent choice for stabilizing circuits under changing operating conditions.
Features
- High Reliability
- Sharp Breakdown
- Low Leakage
- Precise Tolerance
- Environmental Standard
Specifications
| Parameter / Symbol | Value / Condition |
|---|---|
| Nominal Zener Voltage (VZnom) | 24 V |
| Zener Test Current (IZT) | 10.5 mA |
| Max. Zener Impedance at IZT (ZZT) | < 25 Ω |
| Max. Zener Impedance at IZK (ZZK) | < 750 Ω |
| Zener Regulator Current (IZK) | 0.25 mA |
| Maximum Reverse Leakage Current (IR) | < 5 μA |
| Reverse Voltage (VR) | 18.2 V |
| Forward Voltage (VF) | Max. 1.2 V (tested at IF = 200 mA) |
Absolute Maximum Ratings
| Parameter / Symbol | Value / Rating |
|---|---|
| Power Dissipation (Pv) | 1 W (when ambient temperature Tamb ≤ 50°C) |
| Maximum Junction Temperature (TJ) | 200 °C |
| Storage Temperature Range (TSTG) | -65 °C to +175 °C |
| Maximum Thermal Resistance (Junction Ambient, RTHJA) | 100 K/W (at lead length l = 9.5mm (3/8″) with constant lead temperature TL) |
Applications
- Voltage Stabilization
Package Content
- 1 x 1N4749A Zener Diode 24V 10.5mA 1W DO-41

