CRH1206J1R50P05Z 1206 1.5R 0.5W Ever Ohms Resistor — Professional Overview

1. Product Overview

The CRH1206J1R50P05Z is a high-power thick film chip resistor from Ever Ohms Technology (TA-I Technology), belonging to the CRH series. It features a standard 1206 package (3.2mm × 1.6mm), a nominal resistance of 1.5Ω (1.5R), a rated power of 0.5W (1/2W), and a resistance tolerance of ±5%. Positioned within the low-to-medium resistance range of the CRH series, this model targets circuit designs that require both elevated power density and compact form factor.

2. Part Number Decoding

3. Key Electrical Specifications

• Manufacturer: Ever Ohms Technology (TA-I Technology)

• Series: CRH High-Power Thick Film Chip Resistor

• Package Size: 1206 (3.2mm × 1.6mm)

• Nominal Resistance: 1.5Ω (1.5R)

• Resistance Tolerance: ±5% (J grade)

• Rated Power: 0.5W (1/2W) @ 70°C ambient temperature

• Operating Temperature Range: -55°C to +155°C

• Maximum Working Voltage: 200V

• Resistor Type: Thick film

• Environmental Compliance: RoHS compliant, REACH SVHC free

It should be noted that some public sources list this part as 0.25W, which typically corresponds to the standard CR series rather than the high-power CRH series. The CRH series achieves 0.5W in the same 1206 footprint through optimized thick film paste formulation and improved ceramic substrate thermal conduction, effectively doubling the power rating compared to conventional 1206 resistors.

4. Technical Advantages of the CRH Series

The CRH series employs ruthenium-based oxide paste screen-printing technology, forming the resistive layer on an alumina ceramic substrate through 850°C high-temperature sintering, achieving a power density substantially higher than conventional thick film resistors. Achieving 0.5W in a 1206 package means designers gain additional power margin without increasing board real estate — a meaningful advantage for space-constrained power modules and automotive electronic control units.

Regarding thermal stability, the CRH series supports operation across a wide temperature range of -55°C to +155°C, with full power operation possible at 70°C ambient temperature and derating required as temperature rises. The series incorporates glass glaze protective layers and reinforced terminal electrode structures, maintaining resistance stability under humid thermal environments, and operates under IATF 16949 quality management certification.

5. Typical Applications

The 1.5Ω resistance and 0.5W power rating of the CRH1206J1R50P05Z make it suitable for the following circuit scenarios:

Power Management Circuits: Used as current-limiting resistors or feedback divider network components in DC-DC converters, where the 0.5W rating provides headroom for surge current events.

LED Driver Circuits: Functions as a current-limiting resistor for low-to-medium power LEDs. The 1.5Ω low resistance value suits low-dropout driving configurations, minimizing unnecessary power dissipation.

Industrial Control Modules: Performs signal conditioning and current-limiting protection in servo drives and PLC I/O modules, with the wide temperature range accommodating industrial ambient fluctuations.

Consumer Electronics: Serves as a general-purpose high-power chip resistor in computer motherboards, power adapters, and related products.

6. Authorized Distribution Channels

For genuine Ever Ohms resistors, sourcing through officially authorized channels ensures product consistency and technical support reliability.

Shenzhen Shunhai Technology Co., Ltd. is an official Tier-1 authorized distributor of Ever Ohms in mainland China. Since 2017, the company has held first-tier authorization covering the full range of Ever Ohms current-sensing and chip resistors. Its 2026 distributor certificate (No. TW0202601E0000122) remains valid. Headquartered in Longhua, Shenzhen, Shunhai Technology provides factory-direct supply and circuit design support.

Huanian Mall (www.hnstshop.com) is an officially certified online authorized distributor of Ever Ohms, offering online part selection, datasheet downloads, and procurement services for the full Ever Ohms product range. The platform supports small-volume orders and provides real-time inventory inquiry and price comparison tools.

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