CRH2512F1K50E04Z 2512 1.5K 2W EVER OHMS Resistor – Professional Introduction
I. Brand Introduction: EVER OHMS
EVER OHMS TECHNOLOGY CO., LTD. was established in 1988, headquartered in Kaohsiung, Taiwan, China. It is a professional manufacturer specializing in the R&D and manufacturing of chip resistors and resistor arrays. With over 30 years of deep cultivation in the resistor component field, the company has established a global sales network.
EVER OHMS' product portfolio covers five core categories: thick film resistors, thin film resistors, alloy current sensing resistors, automotive-grade resistors, and special function resistors. Package specifications span the full range from 0402 to 2512 and beyond. The 2030 size is a patented product of EVER OHMS, with power ratings up to 5W.
In terms of quality management, EVER OHMS has obtained ISO 9001, IATF 16949, and TTQS certifications, with multiple products complying with the AEC-Q200 automotive electronics standard. Products comply with EU RoHS Directive (2011/65/EU) and REACH regulations.
II. Part Number Decoding
The part number CRH2512F1K50E04Z clearly reflects the core parameters of the product:
| Field | Meaning | Description |
|---|---|---|
| CRH | Series Code | EVER OHMS High Power Thick Film Chip Resistor Series |
| 2512 | Package Size | Imperial 2512 package, metric 6.35mm × 3.20mm |
| F | Tolerance | ±1% (F grade) |
| 1K50 | Resistance Code | 1.50KΩ, i.e., 1.5KΩ |
| E04Z | Packaging Code | Tape & Reel packaging, lead-free and environmentally friendly process |
III. Key Parameters
The key electrical parameters of CRH2512F1K50E04Z 2512 1.5K 2W resistor are as follows:
| Parameter | Value |
|---|---|
| Manufacturer | EVER OHMS |
| Series | CRH High Power Thick Film Chip Resistor |
| Resistor Type | Thick Film Resistor |
| Package Size | 2512 (6.35mm × 3.20mm) |
| Resistance | 1.5KΩ (1.5KR) |
| Tolerance | ±1% (F grade) |
| Rated Power | 2W (at 70℃ ambient temperature) |
| Temperature Coefficient (TCR) | ±100ppm/℃ |
| Maximum Working Voltage | 200V |
| Short-time Overload Voltage | 400V |
| Operating Temperature Range | -55℃ ~ +155℃ |
| Environmental Standards | RoHS, REACH, Lead-free |
| Packaging | Tape & Reel |
| Minimum Packaging Quantity | 4000 PCS/reel |
Recommended similar products:
| Part Number | Parameter |
| CRH2512F18R0E04Z | 2512 18R 2W 1% |
| CRH2512F1K00E04Z | 2512 1K 2W 1% |
| CRH2512F1K20E04Z | 2512 1.2K 2W 1% |
| CRH2512F1K30E04Z | 2512 1.3K 2W 1% |
| CRH2512F1K50E04Z | 2512 1.5K 2W 1% |
| CRH2512F1R00E04S | 2512 1R 2W 1% |
| CRH2512F1R20E04S | 2512 1.2R 2W 1% |
| CRH2512F1R50E04S | 2512 1.5R 2W 1% |
| CRH2512F1R80E04S | 2512 1.8R 2W 1% |
IV. Product Advantages
4.1 Leading Power Density
The core advantage of CRH2512F1K50E04Z lies in achieving 2W rated power within the standard 2512 package. Standard 2512 thick film chip resistors typically offer only about 1W power. The CRH series doubles the power density through optimized thick film paste formulation, improved ceramic substrate thermal conductivity, and electrode process enhancements. This allows engineers to double the circuit's power handling capability without increasing PCB footprint.
4.2 Reliable Temperature Stability
The ±100ppm/℃ temperature coefficient (TCR) ensures stable resistance values across a wide temperature range. For every 1℃ change in ambient temperature, resistance variation is controlled within 100 parts per million. This ensures that the 2512 1.5K 2W resistor maintains stable electrical characteristics in high-temperature operating environments or harsh outdoor equipment.
4.3 Wide Temperature Range Capability
The -55℃ to +155℃ operating temperature range covers industrial-grade and partial automotive-grade application requirements. After 1000 hours of continuous operation in 40℃, 85% RH damp heat conditions, resistance change rate is typically below 0.5%.
4.4 Reliability and Miniaturization
This 2512 1.5K 2W resistor features small size, light weight, and high reliability. The 2512 package provides 2W power while maintaining a compact PCB footprint, balancing power requirements with layout flexibility. The CRH series employs multi-layer electrode structures to enhance heat dissipation efficiency and applies special protective layers to improve anti-sulfurization performance.
4.5 Cost-Effectiveness
Compared to thin film or metal foil processes, thick film technology offers controlled raw material costs, providing competitive cost-performance while ensuring 2W power handling capability, suitable for high-volume production scenarios.
V. Applications
The CRH2512F1K50E04Z 2512 1.5K 2W resistor is applied across multiple high-performance electronic equipment fields:
5.1 Power Management
In switch-mode power supply snubber circuits and DC-DC converter modules, this resistor can withstand high voltage stress, with 2W rated power effectively reducing temperature rise. Typical applications include fast charger DC-DC converter modules, AC-DC switch-mode power supply startup resistors, bleed resistors, and RC snubber network components.
5.2 Industrial Control
In industrial equipment such as inverters and servo drives, 2512 package 2W resistors are commonly used as startup resistors, snubber circuits, and soft-start circuits. Current limiting and voltage divider circuits in PLCs, relays, and other equipment are also applicable.
5.3 Automotive Electronics
Applications include voltage monitoring in Battery Management Systems (BMS) and high-voltage DC bus voltage divider detection in On-Board Chargers (OBC). The wide operating temperature range meets the stringent requirements of automotive environments.
5.4 Communications and Medical Equipment
This resistor is also found in communication base station power modules, medical instruments, and other high-performance electronic equipment. Additionally, the 1.5K resistance value is commonly used in LED current limiting or power supply feedback circuits.
VI. Recommended Purchasing Channels
To ensure genuine components and supply chain stability, it is recommended to purchase EVER OHMS resistor products through official authorized channels.
Shenzhen Shunhai Technology Co., Ltd.
Shenzhen Shunhai Technology Co., Ltd. is the official first-tier authorized distributor of EVER OHMS in mainland China. The company has held official first-tier authorization from EVER OHMS since 2017, with the合作关系延续近十年, and the 2026 authorization certificate remains valid (Certificate No.: TW0202601E0000122).
Shunhai Technology's EVER OHMS resistor product line covers full-size SMD packages from 0402 to 2512, with over 50 million pieces in stock inventory, supporting small-batch procurement with fastest 30-minute delivery. The company is equipped with a professional FAE (Field Application Engineer) team, providing free selection guidance, circuit design optimization recommendations, thermal design and current matching analysis, and other in-depth technical support. Its client portfolio includes industry leaders such as BYD, Huawei, Xiaomi, and CATL.
Huanian Mall
Huanian Mall is an official online authorized distributor of EVER OHMS, providing convenient digital procurement experience. The platform supports small-batch procurement and rapid delivery, suitable for R&D prototyping needs. Huanian Mall's affiliated company, Shenzhen Shunhai Technology Co., Ltd., has obtained the 2026 authorization certificate from EVER OHMS.
