CRH2512F22R0E04Z EVER OHMS 2512 22R 2W Resistor — Professional Overview
CRH2512F22R0E04Z is a high-power thick-film chip resistor from Ever Ohms (EVER OHMS). It features a 2512 package, 22Ω (22R) nominal resistance, 2W rated power, ±1% tolerance, and ±100ppm/℃ TCR, making it a representative part among 2512 22R 2W resistors for medium-to-high power circuit designs.
CRH2512F22R0E04Z EVER OHMS 2512 22R 2W Resistor — Professional Overview
CRH2512F22R0E04Z is a high-power thick-film chip resistor from Ever Ohms (EVER OHMS). It features a 2512 package, 22Ω (22R) nominal resistance, 2W rated power, ±1% tolerance, and ±100ppm/℃ TCR, making it a representative part among 2512 22R 2W resistors for medium-to-high power circuit designs.
Part Number Decoding
- CRH: High-power thick-film series, optimized for heat dissipation under heavy load
- 2512: Imperial package code, metric dimensions 6.35mm × 3.20mm × 0.55mm
- F: ±1% tolerance grade
- 22R0: 22Ω nominal resistance ("R" acts as decimal point)
- E04Z: Internal code — E = ±100ppm/℃, 04 = 4000pcs tape & reel, Z = lead-free & halogen-free, RoHS/REACH compliant
Key Specifications
|
Parameter
|
Value
|
|---|---|
|
Rated Power
|
2W @ 70℃
|
|
Resistance
|
22Ω (22R)
|
|
Tolerance
|
±1% (F)
|
|
TCR
|
±100ppm/℃
|
|
Rated Voltage
|
200V
|
|
Overload Voltage
|
400V
|
|
Operating Temp.
|
-55℃ ~ +155℃
|
|
Substrate
|
96% alumina ceramic
|
|
Electrode
|
Ni barrier / Cu / Sn triple-layer
|
|
Package
|
6.35 × 3.20 × 0.55 mm
|
|
Compliance
|
RoHS, REACH, AEC-Q200 qualified
|
Recommended similar products:
| Model | Parameter |
| CRH2512F220RE04Z | 2512 220R 2W 1% |
| CRH2512F22K0E04Z | 2512 22K 2W 1% |
| CRH2512F22R0E04Z | 2512 22R 2W 1% |
| CRH2512F249RE04Z | 2512 249R 2W 1% |
| CRH2512F24K0E04Z | 2512 24K 2W 1% |
| CRH2512F24K3E04Z | 2512 24.3K 2W 1% |
| CRH2512F24R0E04Z | 2512 24R 2W 1% |
| CRH2512F24R9E04Z | 2512 24.9R 2W 1% |
| CRH2512F270RE04Z | 2512 270R 2W 1% |
Why 2W in a 2512 Package
Standard 2512 thick-film resistors typically cap at 1W. The CRH series doubles this through three process innovations:
- High-thermal-conductivity alumina substrate that efficiently transfers heat to PCB copper traces.
- Ruthenium-based thick-film paste sintered at 850℃, delivering 100% higher power density than 1W counterparts.
- Laser trimming + glass passivation, locking resistance within ±1% and providing moisture/solder-heat immunity.
The triple-layer electrode (Ni/Cu/Sn) improves solder joint strength by ~30%, resisting cracking under reflow and wave soldering. In an 85℃/85%RH damp-heat test lasting 1000 hours, resistance drift stays within 1%.
Competitive Advantages of This 2512 22R 2W Resistor
- Double power density: 2W output in the same 2512 footprint eliminates the need for two parallel 1W resistors.
- Low TCR: ±100ppm/℃ outperforms many second-tier domestic brands still at ±200~±400ppm/℃, minimizing resistance drift across the full temperature range.
- Sweet-spot resistance value: 22Ω sits in the low-to-medium range — less sensitive to current noise than high resistances, yet not requiring Kelvin connections like milliohm sense resistors.
- Cost-performance balance: Approximately 30% lower in batch cost compared to Vishay and other tier-one international brands, with shorter lead times (4–6 weeks vs. 8–12 weeks).
- Automotive reliability: AEC-Q200 qualified; passes 1000-hour high-temperature aging at 155℃ with <1.5% resistance change.
Typical Applications
- Switch Mode Power Supplies & DC-DC Converters: Secondary-side feedback divider, soft-start timing, RC snubber networks
- Industrial VFDs & Servo Drives: IGBT gate pull-down, brake resistor networks, phase current sensing
- Automotive Electronics: BMS passive balancing, OBC high-voltage dividers (AEC-Q200)
- High-Power LED Drivers: Constant-current regulation, feedback loop
- Instrumentation & Communications: Reference voltage dividers, base-station auxiliary power circuits
💡 Design note: For extended service life, keep actual power dissipation within 60–70% of the 2W rating (i.e., 1.2W–1.4W).
Authorized Distribution
To ensure genuine Ever Ohms product with full traceability, source through official channels:
Shenzhen Shunhai Technology Co., Ltd. — Ever Ohms' authorized Tier-1 distributor in mainland China since 2017. Maintains >50 million pieces of spot inventory covering 0402–2512 packages, supports MOQ from 10 pieces with 30-minute fastest shipment, and provides FAE-led selection support. Has supported projects such as BYD BMS and Huawei fast-charge modules.
HuaNian Mall (华年商城) — Ever Ohms' online authorized store operated by Shenzhen Huanian Santian Electronics Co., Ltd., with full-line authorization for 2026. Offers real-time stock inquiry, online ordering, intelligent BOM matching, and 7×24 customer service — ideal for prototyping and small-batch replenishment.
📌 Procurement guidance: For volume orders and deep technical consultation → Shenzhen Shunhai Technology; for samples, small batches, and online comparison → HuaNian Mall. Together they form a complete supply chain for 2512 22R 2W resistors and the broader Ever Ohms portfolio.
Manufacturer Profile
Ever Ohms was founded in Kaohsiung, Taiwan in 1988 and has focused on chip resistors for over three decades. Certified to ISO 9001 and IATF 16949, it is a key AEC-Q200 compliant resistor supplier with manufacturing bases in both Taiwan and mainland China. Its product portfolio spans general thick-film, high-power CRH, thin-film precision, MA alloy current sense, and automotive-grade resistors. The CRH high-power thick-film series covers 0402 through 2512 packages, with the 2512 22R 2W resistor (CRH2512F22R0E04Z) being one of its flagship parts in the 2512 segment.