ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 120A PRM11
- Series：-
- Mfr：SMC Diode Solutions
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：120A
- Voltage - Forward (Vf) (Max) @ If：650 mV @ 120 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：10 mA @ 40 V
- Capacitance @ Vr, F：5200pF @ 5V, 1MHz
- Mounting Type：Chassis Mount
- Package / Case：HALF-PAK
- Supplier Device Package：PRM1-1 (Half Pak Module)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
Download product information
Overview
The 121NQ040-1 is a Schottky rectifier module from SMC Diode Solutions, housed in the PRM1-1 (Half Pak) chassis mount package. It features a maximum repetitive reverse voltage of 40 V and an average forward rectified current rating of 120 A. The device exhibits a maximum forward voltage drop of 650 mV at 120 A. It supports junction temperatures up to 175°C and is designed as a high-power solution that replaces three parallel DO-5 diodes.
Feature Summary
- Utilizes unique high-power Half-Pak module construction for enhanced thermal management
- Provides a lower profile and easier mounting compared to traditional discrete DO-5 configurations
- Capable of replacing three parallel DO-5 diodes to simplify circuit design
Applications
- High-current DC power supply rectification
- Free-wheeling diodes in motor drive circuits
- Chassis-mounted power conversion systems
Procurement Notes
Verify the specific suffix variant against the manufacturer datasheet N1158 Rev. B to ensure compatibility with required voltage ratings and thermal specifications. Confirm RoHS compliance status and lead-free certification requirements prior to ordering. Cross-reference the part number with official SMC Diode Solutions documentation to validate availability and technical parameters.
Selection Notes
Select this component when a single chassis-mount solution is preferred over multiple discrete diodes to reduce board space and assembly complexity. Ensure the application requires a 40 V reverse voltage rating and can accommodate the 120 A current capacity. Verify that the system design supports the thermal dissipation needs of the PRM1-1 package at the expected operating junction temperature.
Part Context
This part belongs to the 121NQ series of Schottky rectifiers manufactured by SMC Diode Solutions. The series includes variants with different voltage ratings such as 35 V and 45 V, all sharing the same 120 A current rating and PRM1-1 package form factor. These modules are engineered for robust performance in industrial power applications requiring high reliability and efficient heat dissipation.
Replacement Considerations
The datasheet indicates this module replaces three parallel DO-5 diodes. No other specific substitute part numbers are publicly confirmed in the provided source material.
