The SMBJ5913 through SMBJ5956B series are 5 W silicon surface‑mount Zener diodes covering a voltage range of 3 V to 200 V. They are designed as equivalents to the through‑hole 1N5913‑1N5956B parts and are suited for high‑density, low‑profile mounting.
Mechanical characteristics include a molded surface‑mountable case (SMB/DO‑214AA) with tin‑lead‑plated terminations, standard 12 mm tape packaging, and a typical thermal resistance of 25 °C/W from junction to lead. Maximum ratings specify a junction temperature up to 200 °C, DC power dissipation of 1.5 W, and a forward voltage of about 1.2 V at 200 mA. Characteristic curves for power derating, transient surge capability, and capacitance versus Zener voltage are provided.
| Voltage range | 3.0‑200 V |
|---|---|
| Power rating | 5 W |
| DC Power Dissipation (max) | 1.5 W |
| Thermal resistance | 25 °C/W (typical) |
| Package type | SMB/DO‑214AA, molded surface‑mountable |
| Packaging | Standard 12 mm tape (EIA Std.RS‑481) |
| Forward voltage @ 200 mA | 1.2 V |
The datasheet lists a DC power dissipation of 1.5 W as the maximum rating, while the series is described as 5 W silicon surface‑mount Zener diodes.
They are supplied in an SMB/DO‑214AA molded surface‑mountable case and packaged on standard 12 mm tape.
The typical thermal resistance from junction to lead is 25 °C per watt.
The forward voltage at a current of 200 mA is approximately 1.2 V.