1SMB3EZ9.1_R1_00001

Single Zener Diodes Overview

The Panjit 1SMB3EZ9.1_R1_00001 is a glass-passivated junction silicon Zener diode with a nominal voltage of 9.1 V and a steady-state power dissipation of 3 W at 75°C lead temperature. It operates within a junction temperature range of -55°C to +150°C and features a DO-214AA (SMB) package. The device exhibits a maximum Zener impedance of 3 Ω at 82 mA, a maximum reverse leakage current of 3 μA at 7 V, and a marking code of 9V1B.

Single Zener Diodes Feature Summary

• Low inductance design for high-frequency applications
• Plastic package classified as UL Flammability Rating 94V-0
• High temperature soldering capability up to 260°C for 10 seconds
• Compliant with EU RoHS 2.0 and IEC 61249 green molding standards

Single Zener Diodes Applications

• Voltage regulation circuits
• Overvoltage protection systems
• Clamping applications in electronic designs

Single Zener Diodes Procurement Notes

Verify the specific part number against official datasheets to confirm electrical parameters and package type. Ensure compliance with project requirements regarding flammability ratings and environmental directives. Confirm availability through authorized distributors or direct manufacturer channels. Check for any product change notifications that may affect specifications or packaging details before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 3 W Zener diode with low inductance characteristics. The SMB package offers surface-mount convenience while maintaining robust thermal performance. Consider the operating temperature range and impedance values when designing circuits that demand precise voltage regulation or transient suppression under varying load conditions.

Single Zener Diodes Part Context

This component belongs to the 1SMB3EZ series of glass-passivated silicon Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 5.6 V to 51 V, all sharing the same 3 W power rating and DO-214AA package form factor. These devices are designed for general-purpose voltage regulation and protection tasks in consumer and industrial electronics.

Single Zener Diodes Replacement Considerations

Direct replacements must match the 3 W power rating, 9.1 V nominal voltage, and SMB package. Verify equivalent Zener impedance and leakage current specifications to ensure circuit compatibility. Cross-reference with other manufacturers' SMB-series Zener diodes offering similar electrical characteristics and thermal profiles.

Single Zener Diodes FAQ

What is the marking code for the 1SMB3EZ9.1?

The marking code for the 1SMB3EZ9.1 is 9V1B.

What is the maximum Zener impedance at the test current?

The maximum Zener impedance is 3 Ω at a test current of 82 mA.