| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
3,222 pcs
|
3222 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Automotive Grade | |
| Case Material Flammability Rating | |
| Current | |
| Derating Above 25°C | |
| Forward Current (Test Condition) | |
| Forward Voltage | |
| Impedance (Max) (Zzt) | |
| Lead Finish / Solderability | |
| Leakage Current | |
| Maximum Thermal Resistance (Junction to Ambient) | |
| Medical Grade | |
| Mounting Type | |
| Nominal Zener Voltage | |
| Operating Temperature | |
| Operating Temperature Range | |
| Package / Case | |
| Polarity | |
| Power | |
| Power Dissipation | |
| Standard Package Quantity | |
| Storage Temperature | |
| Storage Temperature Range | |
| Supplier Device Package | |
| Tape and Reel | |
| Termination Style | |
| Tolerance | |
| Typical Ir Above 11V | |
| Voltage | |
| Weight | |
| Zener Impedance (Zzt) | |
| junction_temperature_range | |
| lead_free_status |
The 1SMA4746 is a surface mount Zener diode from SMC Diode Solutions, part of the 1SMA4741-1SMA4764 series. It provides a nominal Zener voltage of 18V with ±5% tolerance and a power dissipation of 1W at 25°C ambient temperature.
Electrical characteristics include a forward voltage of 1.2V at 200mA, Zener impedance (Zzt) of 18Ω, and a leakage current of 5µA at 13.7V. The device operates over a junction temperature range of -65°C to 150°C.
The diode is housed in a DO-214AC (SMA) surface mount package, with a color band indicating the cathode. The package is made of UL 94V-0 rated plastic, is Pb-Free, and supports solder pad termination. The device is supplied on tape and reel with 5000 pieces per reel.
Typical applications include voltage regulation, overvoltage protection, and reference voltage generation in various electronic circuits. The low inductance and glass passivated die construction ensure reliable performance.
18V with ±5% tolerance.
1W at 25°C ambient temperature.
1.2V at 200mA.
DO-214AC (SMA) surface mount package.
-65°C to 150°C.
18Ω.
Yes, it is a Pb-Free device.