Surface mount power resistors

18 March 2009 Passive Components

Bourns has announced its new PWR2010, PWR3014, PWR4318 and PWR5322 SMT power resistors featuring high power density and low temperature coefficient with power ratings from 0,5 W to 3 W.

The resistors feature the characteristics of a wirewound resistor in a surface mount package providing improved pulse handling for greater stability over a wide temperature range and improved product longevity.

Designed for a broad variety of applications that include instrumentation, telecommunications, base stations, automation and control applications, these new power resistors are suitable for high-volume, automated assembly and as drop-in replacements for parts with larger footprints.

The resistors are designed with a special contour that maximises the surface area of the device and minimises the temperature rise of the package for improved stability over time. They have a temperature coefficient of resistance (TCR) of 20 ppm for resistance values greater than 10 Ω, 50 ppm for resistance values less than 10 Ω and 90 ppm for resistance values less than 0,99 Ω.

Further reading:

Inductor supports temperatures up to 150°C
RS South Africa Passive Components
TDK has launched a highly durable inductor for automotive A2B applications that supports a wide temperature range of -55 up to 150°C.

Read more...

---

Long-range passive infrared motion sensor
Future Electronics Passive Components
Panasonic Industry (PaPIRs) recently introduced he world’s most compact long-range passive infrared motion sensor, for installation heights of up to 15 metres.

Read more...

---

Isolated solid state relay
Altron Arrow Passive Components
The ISO808, ISO808-1 (PowerSO-36) and ISO808Q, ISO808Q-1 (TFQFPN32) are galvanic isolated eight-channel drivers featuring a low supply current.

Read more...

---

Low-profile power inductors
RS South Africa Passive Components
TDK Corporation has announced the introduction of its new PLEA85 series of high-efficiency power inductors developed for battery-powered wearables and other devices.

Read more...

---

Miniature capacitor for automotive applications
Avnet Abacus Passive Components
Murata has released its LLC series of multi-layer ceramic capacitors for automotive applications, that feature a reversed termination for low ESL.

Read more...

---

Sealed tantalum capacitors
Electrocomp Passive Components
With an operating temperature range of -55 to 125°C, with voltage derating, these capacitors have been designed especially for avionics and aerospace applications.

Read more...

---

Double metallised polypropylene capacitors
Future Electronics Passive Components
The Electrocube 985B series offers high-frequency operation, high current and low ESR in a miniature package.

Read more...

---

New series of chip-type capacitors
Electrocomp Passive Components
Panasonic Industries’ SMT capacitor series all benefit from the longest lifetime plus the lowest ESR values currently available.

Read more...

---

SMD coupled inductors
Electrocomp Passive Components
TDK Corporation has expanded its family of flat wire inductors with the high-performance EPCOS ERUC23 coupled inductor series.

Read more...

---

Polymer hybrid capacitors
Avnet Abacus Passive Components
ZUU series components feature the highest ripple current handling capability of 6,1 ARMS maximum, which is a 60% increase over the previous series at both 125 and 135°C.

Read more...

---