Infineon IRLML5203PBF and Cree C3M0065090J

MOSFET Raising

In the age of the IC, transistors usually are not considered particularily interesting. However, some MOSFETs stand in the center of attention – let us be your guide to some cool components.

Reduced Creepage!

Crees C3M0065090J is not particularily impressive from a purely technical point of view – its main secret, instead, lays in the land layout shown in figure 1.

Smart land layouts lead to reduced creepage current potential

Cree forgoes the dedicated drain pin, and instead exposes this part of the semiconductor crystal using the tab normally used as a heatsink. When combined with the rest of the circuit layout, a spacing of more than 7mm is achieved – this helps reduce creeping currents, which can be a problem at high voltages or in precision designs. CREE furthermore promises a Drain – Source Voltage of 900V, which also makes the part well-suited to “rectifier” type activities.

Better Be Mindful

Part number two is IR’s irlml5203pbf – a classic which has been on the market for some time, but keeps generating significant spikes of search interest. When first introduced, the idea of packing a full HEXFET module into a SOT23 module was considered odd.

By now, the concept established itself. This does not, however, mean that the parts are not recommended for new designs: the on-resistance values shown in the figure still are respectable.

If power is at a premium, reducing losses can help

IR recommends that parts such as the irlml5203pbf or its sister part irlml6402pbf should be used in PCMCIA cards and similarly space-constrained settings. One classic application would be “low drop diodes” and similar polarity protection – in this case, however, take care to not exceed reverse voltage limits.

Finally, allow us to point you at here and here in case you never thought of using a FET as a reverse polarity protection component. Their extremely low voltage drop makes them effective in “corner cases” such as an automotive cold crank; losing 0.7V can make a world of difference

Recent Articles
Efficient DC Power Distribution in Data Centres
The consistent use of direct current in a data centre makes sense. Losses can be massively reduced. On the power side, the IEC has defined the... Read Article
AC/DC Power Supplies 15 – 450 W from Traco Power
Engineered to stay cool High performance, ultra-compact AC/DC power supplies with minimal heat dissipation. Available in four different mechanical packages, these high-efficiency power supplies utilize industrial grade... Read Article
Bluetooth Mesh Solutions for IoT Based Designs
Cypress Best-in-class Bluetooth Mesh Cypress’ Bluetooth Mesh Eval Kit is a multi-node platform featuring a certified Bluetooth 5 module, sensors, and multiple mesh example projects with... Read Article
Check out the newly expanded TE Connectivity Online Store!
Buy Now with PayPal The TE Store now accepts PayPal! This feature gives you a wider range of payment options and the ability to pay for... Read Article
Compact, low power microphone with IC Interface.
This high performance MEMS audio sensor from STMicroelectronics is desigined with an IC Interface and capacitive sensing element. Ideal for a number of applications such as... Read Article
Could your application benefit from wireless connectivity?
Antennas are the backbone of any wireless solution. As requirements for wireless applications in factories grow, industrial design engineers need to be versed in the different... Read Article