1N4742A Zener Diode 12V 1W
1N4742A 12V 1W Zener Diode in DO-41 glass case. High-power silicon planar diode for stabilizing and clipping circuits.
1.00 EGP
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The 1N4742A is a silicon planar power Zener diode housed in a robust DO-41 glass case. It is specifically engineered for high power rating applications, offering reliable performance in maintaining steady voltage levels and protecting sensitive components from voltage spikes.
✅Features
- High Power Rating
- Standard DO-41 Package
- Wide Temperature Range
- Clear Identification
📜📚Specifications
| Parameter | Symbol / Condition | Value | Unit |
|---|---|---|---|
| Absolute Maximum Ratings (Ta = 25°C) | |||
| Power Dissipation | Ptot | 1.0 | W |
| Junction Temperature | Tj | 200 | °C |
| Storage Temperature Range | Ts | -65 to +200 | °C |
| Thermal Resistance Junction to Ambient Air | RthA | 170 | K/W |
| Electrical Characteristics (Ta = 25°C) | |||
| Nominal Zener Voltage | Vznom | 12 | V |
| Zener Voltage Range | Vz at Izt (21 mA) | 11.4…12.6 | V |
| Maximum Zener Impedance | rZJT at Izt | 9 | Ω |
| Maximum Zener Impedance (Knee) | rZJK at Izk (0.25 mA) | 700 | Ω |
| Maximum Reverse Leakage Current | IR at VR (9.1 V) | 5 | μA |
| Maximum Surge Current | Izsm | 380 | mA |
| Maximum Regulator Current | Izm | 76 | mA |
| Forward Voltage | VF at IF = 200 mA | 1.2 | V |
| Mechanical Data (DO-41 Glass Case) | |||
| Body Length | Max. | 4.2 | mm |
| Body Diameter | Max. | 2.8 | mm |
| Lead Length | Min. | 25.4 | mm |
| Lead Diameter | Max. | 0.7 | mm |
💻Applications
- Stabilizing Circuits
- Clipping Circuits
- Voltage Regulation
🎁Package Content
- 1 x 1N4742A Zener Diode 12V 1W
📖DataSheet
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