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Description
LM334 Temperature SensorDescription: The LM134 LM234 LM334 are 3 terminal adjustable current sources featuring 10,000: 1 range in operating current, excellent current regulation and a wide dynamic voltage range of 1V to 40V. Current is established with one external resistor and no other parts are required. Initial current accuracy is 3%. The LM134 LM234 LM334 are true floating current sources with no separate power supply connections. In addition, reverse applied voltages of
Description:
The LM134/LM234/LM334 are 3-terminal adjustable current sources featuring 10,000:1 range in operating current, excellent current regulation and a wide dynamic voltage range of 1V to 40V. Current is established with one external resistor and no other parts are required. Initial current accuracy is ±3%. The LM134/LM234/LM334 are true floating current sources with no separate power supply connections. In addition, reverse applied voltages of up to 20V will draw only a few dozen microamperes of current, allowing the devices to act as both a rectifier and current source in AC applications.
The sense voltage used to establish operating current in the LM134 is 64mV at 25°C and is directly proportional to absolute temperature (°K). The simplest one external resistor connection, then, generates a current with ≈+0.33%/°C temperature dependence. Zero drift operation can be obtained by adding one extra resistor and a diode.
Applications for the current sources include bias networks, surge protection, low power reference, ramp generation, LED driver, and temperature sensing. The LM234-3 and LM234-6 are specified as true temperature sensors with ensured initial accuracy of ±3°C and ±6°C, respectively. These devices are ideal in remote sense applications because series resistance in long wire runs does not affect accuracy. In addition, only 2 wires are required.
The LM134 is specified over a temperature range of −55°C to +125°C, the LM234 from −25°C to +100°C and the LM334 from 0°C to +70°C. These devices are available in TO hermetic, TO-92 and SOIC-8 plastic packages.
Features:
-
Operates From 1V to 40V
-
0.02%/V Current Regulation
-
Programmable From 1µA to 10mA
-
True 2-Terminal Operation
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Available as Fully Specified Temperature Sensor
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±3% Initial Accuracy
Specifications:
Sensing Method: High or Low Side
Supply Voltage - Max: 40 V
Supply Voltage - Min: 800 mV
Operating Supply Current: 10 mA
Accuracy: 3 %
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C
Mounting Style: Through Hole
Input Voltage Range: 800 mV to 40 V
Product Type: Current & Power Monitors & Regulators
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.4 ★★★★★
Based on 2193 reviews
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Product Reviews
★★★★★ 4
Comfort
Color: White, Size: King Size Set of 2
Not as ful as I would like but the cooling side is nice.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Great pilliws
Color: White, Size: Queen Size Set of 2
Cooling and supportive. I would recommend.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Almoada
Color: White, Size: Queen Size Set of 2, Color: White, Size: Queen Size Set of 2
Hotel-like comfort at home
I bought these pillows from Beautyrest and they really exceeded my expectations. They are very soft but at the same time have good support, which helps you rest better throughout the night. They feel like luxury hotel pillows, especially because of their down-like filling.
The jumbo size is perfect and they come well filled, they are not easily crushed. In addition, the cotton cover feels fresh and of good quality.
They arrived quickly and well packed. After using them for several days, they maintain their shape and comfort. I definitely recommend them if you are looking to improve your rest without spending too much.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Great quality
Color: White, Size: Queen Size Set of 2
★★★★★
Super comfortable and supportive pillows! Great quality, soft but still keeps its shape. I’m sleeping much better now. Highly recommend!
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Reviewed in the United States on May 9, 2026
★★★★★ 5
They aren't super firm; they are more comfortable than rigid 😊
Color: White, Size: King Size Set of 2
I bought these pillows, and honestly, I really liked them. They have a medium firmness that helps significantly with neck pain, yet they remain soft and fluffy without going flat during the night. They hold their shape well and have good loft, so you don't have to keep adjusting them constantly. They don't have any unpleasant odor right out of the package, nor do they slide around much inside the pillowcase something I really appreciate. Overall, they feel comfortable and are of good quality for sleeping in any position.
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Reviewed in the United States on March 26, 2026
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