Product Update:
Resistors & capacitors
Thick-film resistors
handle up to 2 W
The S family of SMT thick-film resistors features parts that handle up to 2 W. Available in case sizes of 0402, 0603, 0805, 1206, 2010, and 2512, the devices are available in values from 10 W to 1 MW .
The devices are suitable for applications such as power supplies, miniature medical devices, instrumentation, and communications equipment. The line includes the RCX-0402S (160 mW), RCX0603S (200 mW), RCX-0805S (350 mW), RCX-1206S (500 mW), RCX-2010S (1 W), and RCX-2512S (2 W). (RCX-2512S, $0.82 ea/2,500 to 4,900�available now.)
IMS, Portsmouth, RI
Sales 401-683-9700
Fax 401-683-5571
Chip resistors offer
up to 1,000 GW
Available in sizes from 0.030 x 0.020 in. to 0.250 x 0.120 in., a line of thick-film chip resistors offers values from 0.1 W to 1,000 GW . The parts can be used in hybrid circuits and support pc-board mounting.
Featuring terminations in gold, platinum/silver, and solder-coated platinum/silver, the devices terminate via wire bonding, soldering, or epoxy bonding. (HCC0805 1,000-GW version, $2.05 ea/5,000�available now.)
IMS, Portsmouth, RI
Sales 401-683-9700
Fax 401-683-5571
MLCCs come
in 0402 size
The CFCAP line of MLCCs features a version packaged in a 0402 case size (1.0 x 0.5 x 0.5 mm). The device comes in nine versions with available voltage ratings of 10, 16, and 25 V and capacitances ranging from 1,000 to 4,700 pF.
Operating temperature is –55° to 125°C. Breakdown resistance is roughly 10 times better than similar plastic capacitors. ($0.10 ea/prod qty�2 weeks ARO.)
Taiyo Yuden
Schaumburg, IL
Jun Nakajima 847-925-0888
Fax 847-925-0899
Metal-strip resistors
handle 45 A at 1 W
Offering resistances from 0.0005 to 0.002 W , the CSS Series surface-mount metal strip resistors handle 45 A at 1 W. The devices are available in two- and four-terminal Kelvin designs and are rated for temperatures from –40° to 125°C.
TCRs are as low as ±20 ppm/°C, and the resistors come in tolerances of 1%, 3%, and 5%. The devices are packaged in an industry-standard 2512 case size. ($0.28 ea/10,000�4 to 12 weeks ARO.)
TT Electronics
IRC Wirewound and Film Technologies Div.
Boone, NC
David Winkler 828-264-8861
Fax 828-264-8865
Current-sense resistor
handles up to 63 A
Rated for 2 W at 70°C, the CSRL2 current-sense resistor handles up to 63 A. The part offers resistances down to 0.0005 W with tolerances to 1%, and TCRs less than ±100 ppm/°C.
The resistor is packaged in a 2512 case size and offers an inductance of less than 0.2 nH. Operating temperature range is from –55° to 150°C. ($0.25 ea/5,000�stock to 6 weeks ARO.)
Stackpole Electronics
Raleigh, NC
Rob Hudspeth 919-875-2453
Fax 919-850-9504
SMT chip resistors
dissipate up to 3 W
Packaged in a size typical of 1-W ratings, the SC3 Series chip resistors use thick-film copper terminations to dissipate up to 3 W at 70°C. The surface-mount parts feature solder terminations along their wider side and are available in resistances from 1 to 350 W .
Tolerances are available down to ±1%, while TCRs are to 100 ppm/°C. Operating temperature ranges from –55° to 150°C. ($0.25 ea/10,000�stock to 9 weeks ARO.)
IRC Advanced Film Div.
Corpus Christi, TX
Sales 361-992-7900
Fax 361-992-3377
SMT resistors offer
thermal tracking
The PTS Series thermal-tracking resistors can be used for sensing and compensation applications, where they can stabilize millivolt shifts and/or offset negative drift in a critical circuit. Available in three versions, the PTS1 is rated for 0.05 W, the PTS2 handles 0.1 W, and the PTS3 is suitable for 0.25 W.
All versions are available in resistances from 1 W to 50 kW (standard), 0.1 W to 300 kW (special), as well as in custom values. Operating temperature range is from –65° to 150°C. ($1 to $7�4 weeks ARO.)
Precision Resistor
Largo, FL
Information 727-541-5771
Fax 727-546-9515
http://www.precisionresistor.com
0402 tantalum chip cap
offers up to 10 µF
The 0402 TACMicrochip Series tantalum chip capacitor delivers up to 10 µF (2 V) in a 0402 case size. ESR is 15 W max at 100 kHz, and operating temperature is from –55° to 125°C.
Available in a lead-free version, the part features the company's soft-termination technology to compensate for thermal mismatches between components and pc boards. ($0.45 to $0.55 ea/10,000�4 to 6 weeks ARO.)
AVX, Myrtle Beach, SC
Dan Lane 843-946-04843
Fax 843-444-2864
Chip resistors sport
0402 case size
The MCS0402 thin-film flat chip resistors are available in 0402 case sizes. Available with values from 100 W to 221 kW , the resistors offer tolerances of ±0.1% or ±0.25% and TCRs from ±25 ppm/°K to ±10 ppm/°K.
The devices are rated to 50 V max, and feature power dissipation of 0.063 W. The resistors operate in temperatures to 125°C. ($0.05 to $0.20 ea/100�4 to 6 weeks ARO.)
Vishay Americas
Irving, TX
Paulo Adabo 972-871-1852
Fax 972-870-9496
Electrolytics withstand
vibration to 30 g
The corrugated design of the B41605 and B41607 aluminum electrolytic capacitors enables vibrational resistance up to 30 g and 2 kHz, suiting them especially for automotive applications. Values range from 1,100 to 6,800 µF with operating voltages from 25 to 63 V.
The capacitors come with snap-in terminals and terminal wires that accommodate welding and soldering. Designs requiring vibration strength up to 40 g can be accommodated. ($2.95 ea/prod qty�available now.)
EPCOS, Iselin, NJ
Cliff Zatz 732-906-4386
http://www.usa.epcos.com
Film capacitors suit
high-power dc filters
Specifically designed for high-power dc filters, the UL31 film capacitors offer capacitances to 275 µF and standard inductances as low as 25 nH (less than 10 nH on request). The low-ESR devices handle up to 110 A.
Standard tolerance is ±10%. Male and female terminations are available, as is an integrated flange to facilitate mounting. ($19 to $28�6 to 8 weeks ARO.)
Electronic Concepts
Eatontown, NJ
Michael Mosiello 732-542-7880
Fax 732-542-0524
MLP film capacitors
offer voltage variety
The Capstick Type CS Series multilayer polymer (MLP) film capacitors are available in capacitances from 0.33 to 20 µF with voltage ratings of 50, 100, 250, 400, and 500 Vdc. The devices offer ultralow ESR and high ripple-current capability in a small package size.
Through-hole and SMT mounting are both available. (250-V version, $1.49 ea/prod qty�stock to 6 weeks ARO.)
ITW Paktron
Lynchburg, VA
Tom Saunders 434-239-6941
Fax 434-239-4730
Aluminum capacitor
handles 125°/1,000 hrs
The PXH aluminum capacitor is constructed using a lead-free conductive polymer electrolyte to offer high heat resistance and a life cycle of more than 1,000 hrs at 125°C. The part is available in values from 22 to 1,000 pF and with voltages ranging from 2.5 to 20 Vdc.
Rated ripple current is 1.65 to 3.7 A, and ESR values range from 25 to 60 mW at 20°C and 100 kHz. ($0.65 to $0.95 ea/prod qty�10 to 12 weeks ARO.)
United Chemi-Con
Rosemont, IL
Sales 847-696-2000
Fax 847-696-9278
Power resistor suits
current-sensing apps
The TLR 3AW current-sensing power resistor offers values from 1 to 10 mW in temperatures from –65° to 170°C. Rated to 2 W, the device supports up to 2 A.
Standard tolerances are ±1% and ±5%, and maximum operating TCR is ±150 ppm/°C. Constructed of metal alloy, the resistor offers heat and corrosion resistance. ($0.275�available now.)
KOA Speer Electronics
Bradford, PA
Dawn McGriff 814-362-5536, ext. 266
Fax 814-362-8883
Resistor networks
terminate SRAMs
Integrating from 4 to 23 resistors, the BB1110B Series and BB2110D1 Series networks terminate Class I and Class II SRAM systems. The devices offer resistances from 10 W to 1 MW with maximum tolerances of 1.0% and TCRs up to 200 ppm/°C.
A BGA connection minimizes electrical parasitics, and placement of the resistors and BGA terminations on the same side of the substrate provides mimimal stray capacitance and inductance. Operating temperature range is 0° to 70°C. ($0.40 ea/prod qty�5 weeks ARO.)
BI Technologies
Fullerton, CA
Mike Torres 714-447-2457
Fax 714-447-2400