Sensors, Transducers

Sensors, Transducers

Sensors and transducers cover a huge slice of the component market, and honestly the category page can feel overwhelming until you know what you are looking for. On the low end you have simple devices like float level switches and basic IR receiver modules. Move up and you are dealing with industrial encoders, current transducers, gas sensors for CO2 or VOC monitoring, humidity and moisture sensors for HVAC and process control, plus pressure, force and flow sensors built for factory automation. The accessories and amplifier sub-categories exist because half the battle is signal conditioning and mounting hardware that actually matches the sensing element. Where these parts end up depends heavily on the sub-type. Industrial encoders go into motor feedback and robotics. Current sensors show up in power supplies, battery management and motor drives. Gas sensors get designed into air quality monitors, medical equipment and safety systems. Humidity sensors are everywhere from consumer thermostats to pharmaceutical cleanrooms. Color sensors handle sorting and inspection lines. When buyers source sensors, the checklist is longer than people expect. Tolerance and accuracy class matter more than the headline spec. Operating temperature range can kill a design if you assume commercial grade works in an outdoor enclosure. Package type and connector style determine whether you can hand-solder prototypes or need a reflow profile. Output type matters too: analog voltage, current loop, I2C, SPI, or a simple switch closure. The trade-off nobody talks about openly is that the cheapest sensor often has the longest lead time, and the distributor stock that ships tomorrow costs 15 to 20 percent more. Counterfeit risk is real with popular parts like certain Bosch humidity sensors or Allegro current sensors, so traceability and date codes are worth asking about. If you know the part number you need, the fastest way to check stock and get a firm quote is to search it on icxing.com or send the BOM over for a consolidated offer.

Frequently Asked Questions

How do I know if a sensor is genuine when buying from an independent distributor?

Ask for traceability documents: original manufacturer C of C, date codes, lot codes and packaging photos. Reputable independents will provide this without hesitation. Be suspicious of prices significantly below franchise distributor levels on high-demand parts like certain MEMS pressure or current sensors.

What is the real difference between industrial grade and commercial grade sensors?

Industrial grade usually means extended temperature range, better long-term stability, and sometimes enhanced vibration or chemical resistance. The datasheet will show tighter drift specs over time. For a product that sits in a climate-controlled cabinet, commercial grade is often fine. For anything outdoors, under-hood, or in a process plant, industrial is worth the premium.

Why is lead time so long on some sensors and can I get around it?

Many sensors are built to order or have long calibration cycles, especially precision pressure, flow and gas types. Lead times of 12 to 20 weeks are common. Your options are to find distributor stock, accept a compatible alternative from a different manufacturer, or design in a second source from the start.

1,881 Records
Image Part Manufacturer Description Stock Action
H21LOB onsemi
SENSOR OPTICL 3.15...
5,650
In-stock
Inquiry
H21LTB onsemi
SENSOR OPTICL 3.15...
2,390
In-stock
Inquiry
H21LTI onsemi
SENSOR OPTICL 3.15...
1,010
In-stock
Inquiry
H22LOB onsemi
SENSOR OPTICL 3.15...
3,890
In-stock
Inquiry
H22LOI onsemi
SENSOR OPTICL 3.15...
1,420
In-stock
Inquiry
H22LTB onsemi
SENSOR OPTICL 3.15...
1,440
In-stock
Inquiry
H22LTI onsemi
SENSOR OPTICL 3.15...
1,920
In-stock
Inquiry
QVE00112 onsemi
SENSOR OPTICAL 3M...
4,310
In-stock
Inquiry
QVE00120 onsemi
SENSOR OPTICAL 5M...
7,790
In-stock
Inquiry
H21A1 onsemi
SENSOR OPT SLOT P...
6,100
In-stock
Inquiry
H22A1 onsemi
SENSOR OPT SLOT P...
1,360
In-stock
Inquiry
H21B1 onsemi
SENSOR OPT SLOT D...
1,510
In-stock
Inquiry
H22B1 onsemi
SENSOR OPT SLOT D...
4,750
In-stock
Inquiry
QCK4 onsemi
SENSOR OPT SLOT D...
2,240
In-stock
Inquiry
QVA11134 onsemi
SENSOR OPT SLOT P...
2,980
In-stock
Inquiry
QVA11234 onsemi
SENSOR OPT SLOT P...
7,200
In-stock
Inquiry
QVA11334 onsemi
SENSOR OPT SLOT P...
5,030
In-stock
Inquiry
QVB11134 onsemi
SENSOR OPT SLOT P...
2,590
In-stock
Inquiry
QVB11234 onsemi
SENSOR OPT SLOT P...
3,840
In-stock
Inquiry
QVB11334 onsemi
SENSOR OPT SLOT P...
3,450
In-stock
Inquiry