Electronic Design

Component Specifier: Switches/Relays


SWITCHES/RELAYS
TYPE/Model Features P&A Source
SWITCHES
SPDT SWITCH
82 SW series
Single-pole/double-throw (SPDT) switch in a 0.25-in. diameter trimmer package with a 0.14-in. profile and three-pin design; environmentally sealed; 200-cycle rotational life; packaging options include boxes, tubes, and tape and reel $0.69 in lots of 1000; three weeks or less ARO BI Technologies
(714) 447-2757
www.bitechnologies.com
DOOR SWITCH
D3D
Uses a standard, removable crimp connector for wiring ease; available in plunger and lever configurations; gold crossbar contacts and drip/spill-resistant sealing in the plunger style ensure reliable performance; wiping "rocker" contacts offer silent operation and virtually eliminate the possibility of arcing Start at $1.31 each; available from stock Omron Electronics LLC
(800) 55-OMRON
www.info.omron.com
CODED OUTPUT SWITCH
CO8
Meets six-sigma quality standards; 9- by 9-mm platform; available in Hex, Gray, and custom codes; features "Click With A Kick" tactile feedback; available in surface-mount device and through-hole technology styles $1.50 in volume; four weeks ARO Elma Electronic
(510) 656-3400
www.elma.com
SILENT ACTUATION PUSHBUTTON SWITCH
KP01 series
Single-pole/single-throw momentary switch available in 12-, 15-, and 17.4-mm cap sizes; tactile and nontactile actuation options; includes a built-in red-green LED; snap-in stand-off provides secure pc-board mounting and alignment; epoxy-sealed terminals lock out flux, dust, and other contaminants; rated at 100 mA maximum at 12 V dc; 5 million-actuation mechanical and electrical life $5.24 in 5000-unit lots; stock to six weeks NKK Switches
(480) 991-0942
www.nkkswitches.com
RELAYS
POWER RELAY
FTR-K3
1Make (1 Form A) relay; 780-mW operating power; 20-A maximum load at 250 V ac; operates from ­40°C to 60°C; measures 30.1 by 15.7 by 23.3 mm; 8-mm creepage distance and minimum 9.5-mm creepage distance between coil and contacts; 2 million-operation mechanical life and 100,000-operation electrical life at rated load; meets UL, CSA, VDE (pending), and CQC agency approvals $1.10 each in 100,000-unit lots; 12 weeks Fujitsu Components America
(800) 380-0059
www.fcai.fujitsu.com
HIGH-LOAD RELAY
WJ151
Rated at 20 A at 277 V ac and 0.5 hp at 125 V ac; UL recognized; single-pole/single-throw, single-pole/double-throw, double-pole/double-throw, triple-pole/double-throw, and quadruple-pole/double-throw contact configurations; optional panel mount flange and a choice of PC pins or solder lugs that fit many relay-socket styles; options include coil voltage of 6 V dc to 100 V dc and 6 V ac to 220 V, LED indication, and sealed construction $1.91 to $7.00 each per 1000 units; four to six weeks CIT Relay & Switch
(763) 535-2339
www.citrelay.com
SOLID-STATE DIP RELAYS
ZD20CF and ZD24CC
Six-pin dual-inline package (DIP) relays; the ZD20CF is a 2-A, 60-V dc relay with short-circuit/overload protection up to 33 V dc; the ZD24CC is a 500-mA, 80-V dc relay with short-circuit/overload protection up to 60 V dc and trip status/feedback; both offer optical isolation as well as low off-state leakage current $18 each in quantities of 10,000; 10 weeks Teledyne Relays
(800) 284-7007
www.teledynerelays.com
BALL-GRID-ARRAY (BGA) REED RELAY
B41 series
Form A, planar BGA package requires no slot or hole in the pc board for mounting; allows for shorter RF paths in a controlled 50-(omega) environment to minimize signal attenuation; each of the four independent channels has an RF insertion loss (­3-dB rolloff point) of >8 GHz; combination of coaxial and magnetic shielding reduces adjacent closed interchannel RF crosstalk to ­40 dB at 1-GHz test signal $62.15 (about $15 per channel) in 1000-unit lots; stock to six weeks Coto Technology
(401) 943-2686
www.cotorelay.com
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