Riedon Inc    Alhambra, CA 91801
May 21, 2013 Built to handle unconventional environmental conditions with minimal drift over 10,000+ hr, UHPL series through-hole molded resistors exhibit tolerance of ±0.005%, TCR of ±2 ppm, and load life stability of ±0.005%. Surface mount UHPC series achieves TCR of ±0.05 ppm with power coefficient of 5 ppm at rated power and load life stability of ±0.005%. Both series use Bulk Metal™ Foil technology, and UHPC series features full wraparound termination.

Stackpole Electronics Inc.    Raleigh, NC 27604
May 13, 2013 Available in ¼, ½, and 1 W power ratings, RC Series Axial Leaded Carbon Composition Resistors have no spiral or coil, minimizing inductance. Dense carbon slug element handles high-energy surges better than metal-film based surge resistors. Units are available in values from 1 Ω to 22 MΩ in tolerances of 5% and 10%.

Stackpole Electronics Inc.    Raleigh, NC 27604
May 07, 2013 Respectively, CSRF0603 and CSRF0402 feature power ratings of 0.25 W and 0.125 and resistance temperature coefficients of ±75 and ±200 ppm/°C. While CSRF0603 is available in resistance values from 5–10 mΩ in 1% tolerance and 75 ppm TCR, CSRF0402 is available in resistance values from 10–15 mΩ in 1% tolerance and 200 ppm TCR. Inherent characteristics of these foil on ceramic carrier current sense chip resistor make them suitable for downsizing portable electronics of all types.

Vishay Precision Group    Malvern, PA 19355
Apr 26, 2013 Housed in all-welded 1625 package with Bulk Metal Foil resistive element and plated copper terminations, Z-Foil VCS1625ZP combines power rating of 1 W at +70°C and low TCR of ±0.2 ppm/°C from -55 to +125°C, +25°C ref. Device provides power coefficient of 5 ppm at rated power, thermal stabilization time of less than 1 ns, and resistance range from 0.3–10 Ω. Featuring non-inductive, non-capacitive design, surface mount resistor withstands ESD to at least 25 kV.

KOA Speer Electronics Inc.    Bradford, PA 16701
Apr 26, 2013 Available in 0402 size, Model RN73H1E features power rating of 0.063 W, TCR values of ±10 to ±50 ppm/°C, precision tolerance of 0.1~1.0%, and resistance range of 10 Ω to 300 kΩ. Use of special protective layer over resistive film construction enable moisture resistance of 85°C ±2°C, 85% ±4% RH, 1,000 h. Offered with lead-free terminations to meet EU RoHS requirements, AEC-Q200-qualified resistor is suited for applications within transportation, avionics and medical markets.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Apr 03, 2013 Suited for all types of current sensing and pulse applications, Vishay Dale WSL1020 comes in 0.200 x 0.100 x 0.025 in. package with wide side terminal construction that yields 2 W power rating. SMT Power Metal Strip® resistor, operating over -65 to +170°C range, features construction that incorporates solid metal nickel-chrome alloy resistive element with TCR <20 ppm/°C. Resistance values range from 0.003–0.006 Ω, with tight tolerances of 0.5%, 1.0%, and 5.0%.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Mar 27, 2013 Supplied in 0.200 x 0.100 x 0.025 in. 1020 case, WSL1020 features wide side terminal construction as well as solid metal nickel-chrome alloy resistive element with TCR <20 ppm/°C. Resistance values for this lead (Pb)-free, RoHS-compliant device range from 0.003–0.006 Ω, with tight tolerances of 0.5%, 1.0%, and 5.0%. Other features include all-welded construction, -65 to +170°C operating range, 0.5–5 nH inductance, response to 50 MHz, and thermal EMF <3 µV/°C.

Stackpole Electronics Inc.    Raleigh, NC 27604
Mar 20, 2013 Available in sizes from 0402–2512, HMC Series offers resistance values from 10.2 MΩ to 10 GΩ with tolerances as low as 1%. Thick film based chip resistors utilize special high resistance inks and are suitable for gas detection, dividers, wireless equipment, test and measurement equipment, medical devices, instrumentation, and network analyzers.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Mar 20, 2013 Intended for military and aerospace applications, E/H Series offers S level failure rate of 0.001% per 1,000 hr in 12 case sizes. MIL-PRF-55342-qualified SMD resistors feature electroplated nickel barrier for operating conditions to +150°C, TAMELOX resistive element, and high-purity alumina substrate for power ratings to 1,000 mW. With less than - 25 dB noise, resistors offer absolute TCR down to ±25 ppm/°C, laser-trimmed tolerances down to 0.1 %, and resistance range from 10 Ω to 6.19 MΩ.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Mar 15, 2013 Available in horizontal or vertical arrangements, IP20 or IP65 rated Draloric VACR series comes in 160 x 40 x 20 mm to 337 x 60 x 30 mm enclosures depending on power rating. Standard tolerance is ±10%, with max permissible operating voltage of UL 600 V and/or UL 1000 V, depending on model. With short-term loads, resistors are characterized by up to an eleven-fold overload (on-time 6% with 120 sec cycle duration). E24 series resistance values are standard, and others are available.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Mar 12, 2013 Housed in SSOP-4 mini-flat package, Series VOS618A and VOS617A feature DC input currents of 1 mA and 5 mA, respectively. Units have GaAs infrared emitting diode, which is optically coupled to silicon planar phototransistor detector. SSOP-4 package provides 3,750 Vrms isolation voltage rating, half lead pitch of 1.27 mm, and creepage/clearance distance of ≥5 mm. Offering CRT ranges from 40–600%, devices protect users from electrical shocks and microprocessors within systems from voltage spikes.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Mar 05, 2013 Featuring fusing time of less than 30 sec for 45 W overload, AC03..CS offers cement coating for immediate interruption without flame and explosion when mains voltage (220 Vrms) is applied and acts as in-rush current-limiting resistor during normal operation. Lacquer coating matches thermal and electrical insulating properties of silicone cement. Along with 2 kV (30 pulses/15 min) surge capability, features include 10–100 Ω resistance, ±5% resistance tolerance, and ±200 ppm/K TCR.

KOA Speer Electronics Inc.    Bradford, PA 16701
Mar 05, 2013 Constructed with metal alloy that provides corrosion and heat resistance, TLR2A 1 W, 0805-size metal plate resistor has resistance range of 5–10 mΩ, resistance tolerance of ±1%, and TCR of ±100 ppm. Non-trimming construction with pulse resistance is standard, and thickness as low as 0.26 mm. Areas of use include applications in telecommunications and consumer electronics, such as handheld devices, power supplies, computing devices, tablets, and computers.

Stackpole Electronics Inc.    Raleigh, NC 27604
Feb 28, 2013 Featuring ceramic core molded into aluminum housing for optimal heat transfer, KAL Series is available in 10–250 W sizes with tolerances as low as 0.1% and resistances from 0.05 Ω to 150 KΩ. Resistors can be tailored to requirements, with low-inductance, non-inductively wound, high-surge, high-voltage, and fusibility options in addition to different types of terminations: tabs, flying leads, and crimped connectors. Versatility accommodates demands of diverse applications.

Stackpole Electronics Inc.    Raleigh, NC 27604
Feb 26, 2013 Featuring anodized aluminum housing, Model HPC12 can handle 5 W continuous power with no additional heat sink or air movement required.  With 400 lfm of air movement, resistor can handle up to 12.5 W. Measuring 0.5 x 0.5 x 0.4 in., device is suited for wide range of power supplies and electric motor controls, as well as robotics, medical devices, test equipment, welding equipment, plasma cutters, network diagnostic equipment, and industrial automation.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Feb 25, 2013 Available in wraparound or flip chip versions as well as integrated on PCB substrate, Sfernice MEPIC Massive Electro-Pyrotechnic Ignitor Chip Resistor offers Joule effect or flash ignition for fast firing times down to 250 µs. Unit converts electrical energy into heat energy in precise electro-thermal profile for purpose of initiating series of pyrotechnic events in controlled energetic reaction. With ohmic range of 2 Ω ±10%, device is suited for deployment of airbags and other safety devices.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Feb 14, 2013 Supplied in 0406 package, AEC-Q200-qualified MCW 0406 AT Precision series offer precision tolerance of ±0.1% and precision TCR of ±25 ppm/K. Wide terminal thin film chip resistors perform up to +155°C and feature power dissipation of 250 mW at ambient temperature of 70°C. On 4-layer FR4 PCB, devices handle up to 2,500 cycles of rapid temperature change over -40 to +125°C span. They are also qualified per accelerated tests, including operation at +85°C at 85% RH for 1,000 hr.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Feb 11, 2013 Supplied in 0406 package, MCW 0406 AT Precision Series provides precision tolerance of ±0.1% and precision TCR of ±25 ppm/K. AEC-Q200-qualified units offer high-temperature performance to +155°C and power dissipation of 250 mW at ambient temperature of 70°C. On 4-layer FR4 printed circuit board, devices handle up to 2,500 cycles of rapid temperature change over span of -40 to +125°C. Typical applications include power measurement in industrial and automotive electronics.

KOA Speer Electronics Inc.    Bradford, PA 16701
Feb 08, 2013 General-purpose RK73B1F series includes 01005 (1F) size with resistance values from 4.7 Ω to 1 MΩ for both 2% and 5% tolerances as well as power rating of 0.03 W and TCR up to +300 ppm/°C. All E-24 Values will be available for this resistor. Used primarily on portable products, RK73B chip SMT resistor series is available in sizes from 01005 (1F) up to 2512 (3WA). These chip resistors feature power rating range of .03–1 W, resistances up to 22 MΩ, and max working voltages from 15–200 V.

Vishay Intertechnology, Inc.    Malvern, PA 19355 2143
Feb 04, 2013 Comprised of axial cemented wirewound resistors, Z300-C series limits in-rush currents during high voltage surges. Voltage surge withstand capabilities reach up to 12 kV per IEC 61000-4-5 (1.2 µsec/50 µsec), and power ratings range from 1–6 W at 40°C ambient and 0.9–5.4 W at 70°C. Along with resistance from 0.15 Ω to 10 kΩ, these RoHS-compliant devices feature resistance tolerances of ±5% and ±10%, TCR of ±200 ppm/K (±400 ppm/K below 1 Ω), non-flammable cement coatings, and ceramic cores.