Santa Clara, CA and Kyoto, Japan, April 26, 2022 (GLOBE NEWSWIRE) — ROHM Semiconductor in the present day introduced the addition of 14 new fashions to their PMDE bundle (2.5mm × 1.3mm) lineup – assembly the necessities for smaller safety and switching circuits (RBxx8 Series, RFN Series, VS Series).
Diodes are used for rectification, safety and switching circuits in a variety of purposes comparable to automotive, industrial, and shopper fields. Additionally, there may be an growing want to scale back bundle dimension to attenuate mounting space. At the identical time, greater efficiency is required to scale back energy consumption.
However, when reducing bundle dimension, the floor space of the bottom electrode and mildew additionally turns into smaller, leading to decrease warmth dissipation. To remedy this drawback, ROHM’s PMDE bundle improves warmth dissipation efficiency by increasing the bottom electrode and optimizing the warmth dissipation path. This achieves the identical electrical traits as these of typical packages in a smaller bundle dimension.
ROHM’s proprietary compact PMDE bundle encompasses a land sample equal to that of the traditional SOD-323 kind. Reviewing the bottom electrode and warmth dissipation path has allowed ROHM to realize the identical electrical traits (i.e., present, stand up to voltage) as the usual SOD-123FL bundle (3.5mm × 1.6mm) in a smaller bundle dimension, contributing to board miniaturization by decreasing mounting space by roughly 42%. Furthermore, mechanical power is round 1.4 occasions greater than that of the SOD-123FL, decreasing the danger of solder cracking when stress is utilized to the board, making certain better mounting reliability.
The PMDE bundle lineup consists of eight fashions within the RBxx8 sequence of Schottky barrier diodes (SBDs), two fashions within the RFN sequence of quick restoration diodes (FRDs), and two fashions within the VS sequence of transient voltage suppressors (TVSs). A range of circuit purposes might be achieved with compact diodes.
Going ahead, ROHM will attempt to additional enhance the standard of its semiconductor gadgets, from low to excessive voltages, whereas strengthening its distinctive lineup to additional cut back energy consumption and obtain better bundle miniaturization.
PMDE Package Products
The PMDE bundle presents the identical electrical traits as the traditional SOD-123FL in a smaller bundle dimension, making certain higher warmth dissipation efficiency and mounting reliability. In addition, all automotive-compatible half numbers are certified below the AEC-Q101 customary for automotive reliability. ROHM’s new lineup of PMDE bundle merchandise are listed under. (SBDs: RBR sequence solely, in mass manufacturing from June 2021.)
1. SBDs: RBxx8 Series Features (New Products)
These SBDs ship low VF along with excessive effectivity. Ten fashions within the PMDE bundle with breakdown voltages from 30V to 150V have been added to the RBxx8 sequence that present ultra-low IR (reverse present) and may function stably, even in excessive temperature environments.
2. SBDs: RBR Series Features (Announced in August 2021)
The RBR sequence balances the trade-off relationship between low VF, which is essential to bettering effectivity, and low IR (mass produced since June 2020). Six fashions within the sequence can be found within the PMDE bundle.
3. FRDs: RFN Series Features (New Products)
FRDs present excessive stand up to voltage (as much as 800V), equal to rectifier diodes, together with wonderful trr (reverse restoration time), which is necessary for top frequency operation. The RFN sequence presents the identical electrical traits as typical merchandise in a compact PMDE bundle.
4. TVS: VS Series Features (New Products)
TVS is a sort of diode that absorbs the sudden voltage (surge voltage) that flows throughout engine startup or breakdown, then steps all the way down to a relentless voltage. The VS sequence helps a variety of standoff voltages (VRWM) from 5V to 130V. (32 ranks of standoff voltages are supplied between 5V and 130V.)
For particulars, please discuss with the ROHM Product Lineup tables (connected to this press launch).
Availability: In mass manufacturing, via on-line distributors Digi-key, Mouser, and Farnell.
Application Examples
RBxx8 Series (SBD)
Primary Applications: Rectification / switching
Examples: White items, Notebook PCs, Car infotainment, Fan motors, Factory automation energy provides
RFN Series (FRD)
Primary Application: Switching
Examples: Engine ECUs, TVs, Air conditioners, Transmission ECUs, ADAS, Car infotainment
RBR Series (SBD)
Primary Applications: Rectification / switching
Examples: Onboard chargers, Car equipment, LED headlamps, Notebook PCs
VS Series (TVS)
Primary Application: Protection
Examples: Body/engine ECUs, Industrial inverters, LED headlamps
For extra info, please go to www.rohm.com.
- ROHM Expands PMDE Package Diode Lineup
- ROHM PMDE Package Products Lineup
