1N3011RB

Overview

The Microchip Technology 1N3011RB is a silicon unidirectional voltage regulator diode designed for high-power applications. It features a nominal Zener voltage of 150 V with a tolerance of ±5%. The device supports a maximum power dissipation of 10 W and operates within an extended temperature range from -65°C to +175°C. Packaged in the DO-203AA (DO-4) stud-mount configuration, it utilizes hermetically sealed glass construction suitable for demanding environments.

Feature Summary

• Hermetically sealed metal-glass construction ensures reliability in harsh conditions
• High thermal stability allows operation up to 175°C junction temperature
• Stud-mount design facilitates efficient heat dissipation for high-power loads

Applications

• Voltage regulation in military-grade electronic systems
• Overvoltage protection circuits requiring high surge capability
• Reference voltage sources in aerospace instrumentation

Procurement Notes

Verify that the ordering suffix RB corresponds to the specific 5% tolerance and glass-sealed variant required for your design. Confirm the manufacturer source is authorized, as this component falls under qualified levels such as JANTX or JANTXV per MIL-PRF-19500/124 standards. Ensure the package matches the DO-4 stud-mount specification for proper thermal management integration.

Selection Notes

Select this component when a stable 150 V reference is needed with robust thermal handling capabilities. The 10 W power rating distinguishes it from lower-power planar alternatives. Consider the stud-mount requirement for mechanical mounting and heatsinking infrastructure during the initial circuit layout phase.

Part Context

This part belongs to the 1N2970B through 1N3015B series of 10 Watt Zener diodes manufactured by Microchip Technology. These devices are registered with JEDEC and offer voltage regulation values ranging from 3.9 V to 200 V. The series is commonly utilized in industrial and defense applications where long-term stability and high power dissipation are critical requirements.

Replacement Considerations

Compatible substitutes include the JANTX1N3011RB and commercial equivalents like the 1N3011RB from other manufacturers producing MIL-PRF-19500/124 compliant parts. Verify that any replacement maintains the 150 V nominal voltage, 5% tolerance, and DO-4 package dimensions.