RL73K3AR12J TE Connectivity RL73K3AR12J is a 120 mΩ ±5% 1W metal strip surface mount current sense resistor in a 2512 package.
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RL73K3AR12J

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Mfr Name: TE Connectivity
TE Connectivity
TE Connectivity RL73K3AR12J is a 120 mΩ ±5% 1W metal strip surface mount current sense resistor in a 2512 package.
✓ Total Stock: 292 pcs
$ Price Range: $0.00

RL73K3AR12J Available from 1 distributor

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RL73K3AR12J Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Height
Length
Mounting Type
Operating Temperature
Power Rating
Resistance
SVHC Present
Tape & Reel
Temperature Coefficient
Termination Style
Tolerance
Width

RL73K3AR12J Description

Short technical summary and product information.

The RL73K3AR12J is a low ohmic shunt resistor from TE Connectivity's RL73 series, designed for current sensing applications. This surface mount resistor features a metal strip construction with a special metal glaze resistive element and a nickel barrier layer beneath the solder for extended terminal life.

 

Key specifications include a resistance of 120 mΩ with ±5% tolerance, a power rating of 1W at 70°C, and a temperature coefficient of -200 ppm/°C to +200 ppm/°C. The 2512 package (6.35mm x 3.1mm x 0.6mm) allows for compact PCB mounting with solder terminations.

 

The RL73 series is suitable for audio, communications, automotive, low voltage power supplies, and power management applications. This component operates over a temperature range of -55°C to 125°C, making it versatile for various environments.

RL73K3AR12J Quick Information

Product Type: Surface Mount Resistor
Series: RL73
Canonical Name: TE Connectivity RL73K3AR12J 120 mΩ ±5% 1W Metal Strip Surface Mount Resistor
Subcategory: Current Sense Resistor

RL73K3AR12J Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

RL73K3AR12J Estimated Pricing

Qty Low High
1+ $0.00 $0.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

RL73K3AR12J Features

  • 120 mΩ low resistance for current sensing.
  • ±5% tolerance for accurate measurement.
  • 1W power rating at 70°C.
  • 2512 surface mount package.
  • Operating range -55°C to 125°C.

RL73K3AR12J Applications

  • Ideal for current detection in power supplies.
  • Used in automotive electronic control units.
  • Suitable for audio amplifier output monitoring.
  • Applied in low voltage power management circuits.

RL73K3AR12J FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resistance value of RL73K3AR12J?

The resistance is 120 mΩ (0.12 Ω).

What is the tolerance of this resistor?

The tolerance is ±5%.

What is the power rating?

The power rating is 1W at 70°C.

What is the temperature coefficient?

The temperature coefficient ranges from -200 ppm/°C to +200 ppm/°C.

What package size is this resistor?

The package/case is 2512 (6.35mm x 3.1mm x 0.6mm).

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What is the termination style?

The termination style is solder (surface mount).

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