CRH2512F330RE04Z High-Power Thick Film Chip Resistor with 330Ω Resistance, 2W Rated Power, and ±1% Tolerance
330Ω Resistance High-Power Thick Film Chip Resistor
,2W Rated Power CRH Series Resistor
,±1% Tolerance 2512 Chip Resistor
The CRH2512F330RE04Z is a representative part of the CRH series high-power thick film chip resistors from EVER OHMS Technology Co., Ltd. This 2512 330R 2W resistor combines a standard 2512 footprint (6.30 × 3.20 mm) with 330Ω resistance, ±1% tolerance, and 2W rated power at 70℃, making it suitable for space-constrained, high-power-density applications.
| Parameter | Specification |
|---|---|
| Brand | EVER OHMS |
| Series | CRH High-Power Thick Film |
| Package | 2512 (6.30 × 3.20 mm) |
| Resistance | 330Ω (330R) |
| Tolerance | ±1% (F grade) |
| Rated Power | 2W @ 70℃ |
| Max Working Voltage | 200V |
| Overload Voltage | 400V |
| TCR | ±100ppm/℃ |
| Operating Temperature | -55℃ ~ +155℃ |
| Technology | Thick film (Ru-based paste on alumina substrate) |
| Compliance | RoHS, REACH |
| Packaging | Tape & reel, 4000 pcs/reel |
While conventional 2512 thick film resistors are typically rated at 1W, the CRH2512F330RE04Z 2512 330R 2W resistor doubles the power density through:
- Upgraded thick film paste – Ru-based oxide paste sintered at 850℃, thicker resistive layer with shorter thermal path;
- Three-layer termination – Ag/Ni/Sn plating improves both thermal conductivity and solder joint reliability;
- Alumina ceramic substrate – Superior thermal conductivity vs. standard FR-4, delivering lower temperature rise.
At 330Ω, the theoretical voltage corresponding to 2W is about 25.7V (√(P×R)), far below the 200V rating—providing generous voltage headroom. Even at 85℃ ambient, derating to 60% of rated power (≤1.2W) keeps resistance drift well under control.
The 2512 330R 2W resistor finds its primary use in:
- Power supplies & DC-DC converters: feedback network dividers, soft-start current limiting, RCD snubber buffers
- Industrial control: gate drive resistors and bleed circuits in VFDs and servo drives
- Communication equipment: base station power modules, fax machines, mobile phone mainboards
- Computers & peripherals: server and mainboard power management
- Home appliances & consumer electronics: air conditioners, refrigerators, audio devices, tablets
- Measuring instruments: electric meters, navigation equipment
- New energy & automotive: BMS voltage balancing, on-board charger (OBC) bus voltage sensing
💡 For high-temperature environments, operate the 2512 330R 2W resistor at no more than 60% of rated power (≤1.2W), and provide at least 10mm² of copper heatsink area at the PCB pads with 2–3 thermal vias for long-term reliability.
To purchase genuine CRH2512F330RE04Z and the full EVER OHMS resistor portfolio, the following authorized distributors are recommended:
🏢 Shenzhen Shunhai Technology Co., Ltd.
Authorized distributor of EVER OHMS in mainland China since 2017, with extensive spot inventory, support for small-batch orders, fast delivery, and free component selection guidance.
🛒 Huanian Mall
Online supply platform for the EVER OHMS CRH series, covering popular models such as the 2512 330R 2W resistor, with convenient ordering and responsive technical support.
Both channels ensure genuine original parts and end-to-end service from selection to delivery.
