CRH2512F27R0E04Z 2512 27R 2W Ever Ohms Resistor Multi-Dimensional Analysis
I. Product Model Decoding
CRH2512F27R0E04Z is a standard model from Ever Ohms' CRH series high-power thick film chip resistors. The model follows Ever Ohms' standardized naming convention:
| Field | Meaning | Description |
|---|---|---|
| CRH | Series Code | Ever Ohms high-power thick film chip resistor series |
| 2512 | Package | Imperial 2512 (Metric 6332), 6.35mm × 3.2mm |
| F | Tolerance | ±1% (F grade); J grade ±5% also available |
| 27R0 | Resistance | 27Ω (27R), R denotes decimal point |
| E04Z | Suffix | TCR ±100ppm/℃ and tape packaging information |
II. Product Parameters
2.1 Core Electrical Specifications
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Package: 2512 (Imperial) / 6332 (Metric), 6.35mm × 3.2mm
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Resistance: 27Ω (27R)
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Tolerance: ±1% (F grade)
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Power Rating: 2W (@70℃)
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Temperature Coefficient (TCR): ±100ppm/℃
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Operating Temperature: -55℃ ~ +155℃
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Maximum Working Voltage: 200V
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Maximum Overload Voltage: Approx. 500V
2.2 Package and Power Characteristics
The 2512 package represents the classic sweet spot between power handling and mounting density for chip resistors. Compared to the typical 1W power rating of standard 2512 resistors, CRH2512F27R0E04Z achieves 2W through optimized internal structure and material formulation. The larger package area (6.35mm × 3.2mm) provides excellent heat dissipation capability.
2.3 Environmental Compliance
This model complies with EU RoHS Directive (2011/65/EU) and contains no REACH SVHC substances (1907/2006/EC). Minimum packaging quantity is 4,000 pieces per reel.
III. Application Analysis
3.1 Typical Applications
Power Management: Current limiting protection at power supply inputs, current sensing in DC-DC converters. The 2W power margin enables tolerance of transient surge currents.
Motor Drive: Gate resistors in motor drive circuits, where 27Ω combined with 2W power rating meets both power and stability requirements.
Switching Power Supplies: RC snubber circuits to absorb energy spikes during switch-off transitions.
LED Driving: Current limiting and voltage division.
3.2 Industry Coverage
Ever Ohms chip resistors are widely used in telecommunications, medical equipment, computing, consumer electronics, and automotive electronics. The 27Ω, 33Ω, 39Ω, 47Ω, 51Ω resistance range represents the golden ratio in switching power supply feedback networks, current sensing, and current limiting circuits.
IV. Product Positioning
4.1 Brand Positioning
Ever Ohms is a representative brand in the domestic passive components sector. The CRH series is its flagship high-power thick film chip resistor product line, featuring upgraded thick film technology with superior heat dissipation and power margin compared to standard offerings.
4.2 Market Positioning
CRH2512F27R0E04Z is positioned in the mid-range market for medium-to-high power density applications, targeting:
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Cost-performance priority: Competitive pricing with shorter lead times versus international brands
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Localization substitution: Representative domestic high-power resistor for industrial power supplies and new energy equipment
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Stock availability: Ample stock with faster supply chain response
4.3 Pricing
Pricing from HuaNian Mall:
| Quantity | Unit Price (incl. tax) |
|---|---|
| 5 pcs | ¥1.96 |
| 20 pcs | ¥1.19 |
| 200 pcs | ¥0.98 |
| 1000 pcs | ¥0.77 |
| 3000 pcs | ¥0.56 |
| 10000 pcs | ¥0.42 |
V. Competitive Landscape
5.1 International Competitors
Vishay: CRCW series offers excellent TCR control and high-temperature performance, widely recognized in industrial control and medical equipment. RCP2512 series provides 27Ω 2W options, with some models reaching 3.5W. Premium pricing and longer lead times.
Yageo: RC2512 series offers stable production capacity and competitive pricing. RC2512FK-7W27RL provides 27Ω±1%2W. TCR ±200ppm/℃ versus CRH's ±100ppm/℃.
Bourns: CRS2512-FX-27R0ELF provides 27Ω±1%2W with 300V working voltage. Excellent surge and pulse withstand capability.
TE Connectivity: CRGH2512J27R provides 27Ω±5%2W, TCR ±200ppm/℃.
5.2 Domestic Competitors
Uni-ohm: Stable quality, affordable pricing, widely used in consumer electronics.
RALEC: LR2512 series with mature process technology for home appliances and power adapters.
Walsin:深耕 high-power resistors with optimized thermal design for long-term full-load operation.
TA-I Technology: RMH25JE270 provides 2512 27R 2W with automotive applications.
5.3 Competitive Summary
| Dimension | Ever Ohms CRH2512F27R0E04Z | Vishay CRCW | Yageo RC2512 | Bourns CRS |
|---|---|---|---|---|
| Resistance | 27Ω | 27Ω | 27Ω | 27Ω |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power | 2W | 2W | 2W | 2W |
| TCR | ±100ppm/℃ | ±100ppm/℃ | ±200ppm/℃ | ±100ppm/℃ |
| Price | Lower | High | Medium | Medium |
| Lead Time | Short | Long | Medium | Medium |
The core competitive advantage of CRH2512F27R0E04Z lies in delivering ±100ppm/℃ TCR performance comparable to international brands while offering more competitive pricing and shorter lead times for localization substitution.
| Model | parameter |
| CRH2512F24K0E04Z | 2512 24K 2W 1% 100ppm |
| CRH2512F24K3E04Z | 2512 24.3K 2W 1% 100ppm |
| CRH2512F24R0E04Z | 2512 24R 2W 1% 100ppm |
| CRH2512F24R9E04Z | 2512 24.9R 2W 1% 100ppm |
| CRH2512F270RE04Z | 2512 270R 2W 1% 100ppm |
| CRH2512F27K0E04Z | 2512 27K 2W 1% 100ppm |
| CRH2512F27R0E04Z | 2512 27R 2W 1% 100ppm |
| CRH2512F2K00E04Z | 2512 2K 2W 1% 100ppm |
| CRH2512F2K40E04Z | 2512 2.4K 2W 1% 100ppm |
VI. Recommended Distributors
Shenzhen Shunhai Technology Co., Ltd.
Shenzhen Shunhai Technology Co., Ltd. is a professional electronic component distributor specializing in passive components with comprehensive quality control systems and warehousing logistics networks. The company provides genuine Ever Ohms products with stable supply support. Whether for sample trials or volume procurement, Shunhai Technology offers professional technical consultation and flexible delivery solutions.
HuaNian Mall
HuaNian Mall is a professional electronic component e-commerce platform featuring multiple renowned resistor brands including Ever Ohms. Models like CRH2512F27R0E04Z are regularly in stock with real-time inventory and pricing查询. The platform provides detailed product parameter comparison and selection tools, supporting small-batch sample procurement to shorten R&D cycles.
