Electronic Design

Component Specifier: Resistors/Capacitors/Potentiometers

 

RESISTORS
TYPE/Model Features Price Source
RESISTORS
Voltage withstanding
Power ratings: 0.2 to 2 W; values from 100 (omega) and up; TCRs to 50 ppm/°C; tolerance to 0.5%; temperature range -55°C to 125°C; sizes from 0805 to 2512 As low as $0.35 each OhmCraft
www.ohmcraft.com
(585) 624-2610
VARISTORS
MLV2322
Multilayer units that combine 0.50-ns response time with capacitance values down to 70 pF (25 pF optional); sizes from 0603 to 0805; suppress 15 kV/8 kV (air/contact) ESD; 4 to 25 V; 5-mW power dissipation $0.38 each (1000-unit lots) Vishay Components
www.vishay.com
(678) 366-9970
VARISTORS
AVRL101A3R3N/6R8N
Low-capacitance/low-clamping voltage type 1005 (1 by 0.5 mm); 3.3/6.8 pF; 10 V max; 27-V threshold About $0.19 TDK
www.tdk.com
(847) 390-4414
THERMISTORS
QTMB
Miniature-bead type; 0.038-in. diameter tip; insulated wires; 1-s response; -55°C to 125°C; 0.2°C accuracy As low as $3.86 (10,000-unit lots) Quality Thermistor
www.thermistor.com
(800) 554-4784
CAPACITORS
TYPE/Model Features Price Source
TRIMMERS
GKYA series
Ranges of 1.2 to 3.0 pF and 8.0 to 27.0 pF; Q of 300 at 1 MHz; NPO TC of ±200 to ±600. Operating temperature of -25°C to 85°C; 50-V dc rating $0.15 (10,000-unit lots) Sprague-Goodman Electronics
www.spraguegoodman.com
(516) 334-8700
EMI SUPPRESSION
339 x2 series
339 x2 series; lead-free film; 0.001 to 4.7 µF ±10% to ±20%; meet IEC 60384-14 (second edition) and EN 132400 approval for x2 suppression and 2.75-V ac (50/60 Hz) and max 630-V dc ratings Pricing starts at $0.04 in volume Vishay Intertechnology
www.vishay.com
(704) 924-5177
POLYMER
Minifilm line
Tiny (0.195 by 0.195 by 0.095 mm); ±5%, ±10%, ±20% tolerances; 0.15 to 1 µF; -40°C to 85°C; 150% of rated-voltage dielectric strength From $0.95 to $1.50 Electronic Concepts Inc.
www.ecicaps.com
(732) 542-7880
POTENTIOMETERS
TYPE/Model Features Price Source
COMBO POTENTIOMETER/
SWITCH

SW44212
10 kO to 500 kO; ratings: 30 V dc, 115 V ac, 2 A resistive, 0.5 A conductive; three shaft lengths: 0.500, 0.875, 2.500 in.; -55°C to 125°C; 0.52 by 0.52 by 0.655 in.; 50k cycle rotational life; meets IP67 specs From $49.90 (100-unit lots) Electro-Mech Components
www.electromechcomp.com
(888) 442-7180
DIGITAL
AD517X family
Includes nonvolatile memory; end-resistance values of 1.5, 5, 50, and 100 kO; 35-ppm/°C TC; -40°C to 125°C; 2.7 to 5.5 V d $0.71 (SOT 23-8); $0.99 (SOP-10) Analog Devices
www.analog.co
(800) 262-5643
DIGITAL
5241/21
Low-power 5-µV standby at 5 V; EEPROM; 6-bit resolution (64 wiper positions); four end-resistance ranges (2.5, 5, 10, and 100 kO); 20-lead SOIC package $1.19 (10,000-unit lots) Catalyst Semiconductor
www.catalyst-semiconductor.com
(408) 542-1080

 

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