Product Number Decoding
CRH2512J150RE04Z is the complete model number of EVER OHMS CRH series high-power thick film chip resistor. "CRH" denotes the high-power thick film resistor series; "2512" indicates the package size (imperial), approximately 6.35mm×3.20mm; "J" represents ±5% tolerance; "150R" indicates 150Ω resistance; "E04Z" relates to packaging and environmental compliance markings. The model comes in tape and reel packaging with a minimum factory pack quantity of 4,000 pieces.
Product Specifications
Key parameters of CRH2512J150RE04Z:
| Parameter | Specification |
|---|---|
| Resistor Type | Thick Film |
| Package Size | 2512 (6.35×3.20mm) |
| Resistance | 150Ω |
| Tolerance | ±5% |
| Rated Power | 2W |
| Max Working Voltage | 200V |
| Overload Voltage | 300V |
| TCR | ±100ppm/℃ |
| Operating Temperature | -55℃ ~ +155℃ |
| Series | CRH High Power |
The most distinctive feature of this 2512 150R 2W resistor lies in its power density. Standard 2512 package chip resistors typically offer 1W rated power, while CRH2512J150RE04Z achieves 2W within the same footprint—a 100% power density improvement. This breakthrough is enabled by optimized ceramic substrate thermal conductivity and improved thick film paste formulations. The ±100ppm/℃ TCR ensures controlled resistance variation across the -55℃ to +155℃ wide temperature range, while the 200V maximum working voltage provides ample engineering margin for high-voltage, high-current applications.
Applications
Based on its high power density and wide-temperature performance, the CRH2512J150RE04Z 2512 150R 2W resistor finds broad applications across multiple sectors:
Power Supplies & Drivers: Pre-load, bleeder circuits, gate damping, and feedback current limiting in DC-DC converters and AC-DC power supplies. In switching power supply snubber circuits, it effectively suppresses voltage spikes during switching transitions.
Industrial Control: Status indication series resistors in PLC peripheral circuits, snubber components for relay/solenoid coil freewheeling paths, and general resistive loads on industrial control boards that must withstand thermal stress.
Automotive Electronics: Power distribution and signal transmission in engine management systems and battery management systems (BMS). The product complies with AEC-Q200 automotive grade certification and has passed ISO-9001 and ISO-TS16949 quality system certifications.
Consumer & Home Appliances: Current limiting and power distribution in high-brightness LED driver boards, fan and motor drive peripheral circuits.
Communication Equipment: Filtering and voltage divider networks in base station power supplies and server power supplies.
Using conventional power chip resistors often requires multiple units in parallel or series to meet heat dissipation requirements. Directly selecting this 2W high-power resistor simplifies PCB layout while reducing BOM complexity and assembly costs.
Product Advantages
High Power Density: The 2512 150R 2W power configuration enables engineers to achieve higher power handling within limited PCB space. During design revisions, it allows "drop-in upgrades" to alleviate overheating without expanding PCB area.
Automotive-Grade Reliability: Complies with AEC-Q200 automotive grade certification standards, providing full assurance for high-reliability applications.
Excellent Temperature Stability: ±100ppm/℃ TCR combined with -55℃~+155℃ wide operating temperature range ensures stable electrical performance under extreme temperature conditions.
SMT Process Compatibility: Tape and reel packaging is naturally compatible with automated pick-and-place assembly lines, simplifying BOM management compared to through-hole or discrete heatsink solutions.
Environmental Compliance: Meets EU RoHS and REACH regulatory requirements.
Cost-Effective: Compared to equivalent products from leading international brands, the CRH2512 series delivers comparable performance with clear advantages in cost and lead time.
Market Positioning
The CRH2512J150RE04Z is positioned in the mid-power thick film chip resistor market, targeting customers in industrial control, power management, automotive electronics, and consumer electronics. Its core value proposition: standard 2512 thick film resistors typically max out at 1W, while the CRH series pushes rated power to 2W within the same footprint—achieved through ceramic substrate thermal optimization and improved thick film paste formulations. The CRH series is a mature, high-volume product line in the thick film high-power segment, with clear specifications (-55℃~+155℃, 200V, ±100ppm/℃) that facilitate engineering review and part number qualification. Compared to competitors, the CRH series offers better pricing and shorter lead times at equivalent core performance parameters.
Brand Introduction
EVER OHMS (Tian Er Technology) was established in 1988, headquartered in Taiwan, China, with over three decades of dedication to chip resistor and resistor network R&D and manufacturing. The company has obtained ISO-9001, ISO-TS16949, and TTQS certifications, with products complying with AEC-Q200 automotive electronics standards. In recent years, EVER OHMS has focused on developing specialty chip resistors, with key product lines including thick film large-size chip resistors, high-power chip resistors, thin film precision chip resistors, automotive-grade chip resistors, sulfur-resistant chip resistors, high-voltage chip resistors, current-sensing milliohm chip resistors, and alloy chip resistors. With a global sales network, its products are widely used in electronics, communications, automotive, medical, and industrial sectors.
Authorized Distributors
Shenzhen Shunhai Technology Co., Ltd. is an officially authorized core distributor of EVER OHMS, representing its full range of resistor products including precision thin film resistors, high-power resistors, and alloy resistors. Established in 2012 and headquartered in Shenzhen, Shunhai Technology represents nearly 100 international brands and serves renowned companies including Huawei and BYD. The company maintains over 50 million units in stock, supports small-batch prototyping (starting from 10 pieces), and offers fastest 30-minute delivery. As a primary distributor, its supply chain directly sources from EVER OHMS, ensuring every CRH2512J150RE04Z resistor is genuine.
Huanian Mall is an online authorized distributor of EVER OHMS, also holding official authorization credentials with all products being traceable and verifiable genuine EVER OHMS components. Huanian Mall provides convenient online purchasing channels, particularly suitable for customers requiring rapid sample applications and small-batch procurement.
