CRCW080510K0FKEA - 10kOhm 1% 1/8W 0805 Thick Film Resistor | Vishay Dale
MPN: CRCW080510K0FKEA ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.1 | $0.10 |
| 10 | $0.085 | $0.85 |
| 100 | $0.058 | $5.80 |
| 500 | $0.042 | $21.00 |
| 1,000 | $0.032 | $32.00 |
CRCW080510K0FKEA Overview
A thick film chip resistor is a passive component that uses a resistive paste printed and fired on a ceramic substrate to establish a precise resistance between two metal terminations. It belongs to the resistor family hierarchy: thick film chip resistor -> film resistor -> fixed resistor -> passive component. Chip resistors are the most numerous components on any PCB, used for current limiting, voltage dividers, pull-up/pull-down networks, feedback setting, and termination.
Key features of the CRCW080510K0FKEA include excellent pulse load capability, an enhanced power rating achieved through a double-side printed resistor element, and a protective overglaze layer. The ±1% tolerance and ±100 ppm/°C TCR provide stable, accurate resistance over temperature, while the AEC-Q200 qualification makes the part suitable for automotive and other high-reliability builds.
Technically, the CRCW-e series uses ruthenium-based thick film technology on a high-purity alumina substrate with nickel-plated terminations and a pure tin (lead-free) outer coating. Vishay states that these resistors do not feature a limited lifetime when operated within permissible limits, though resistance drift over operating time may eventually establish a functional lifetime for a specific application.
Typical applications include automotive ECUs and sensor modules, industrial controls, voltage dividers in power supplies, pull-up/pull-down networks for microcontroller GPIO, and general-purpose precision analog circuits where 1% resistance accuracy is sufficient.
One key design consideration: at 10 kOhm and 0.125 W rating, the maximum continuous voltage is limited by power (about 35 V from P = V²/R), and derating above 70 °C ambient is required per the standard 0805 derating curve.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for CRCW080510K0FKEA — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CRCW080510K0FKTB
✅ Drop-In📋 Reference alternative (not in catalog)
CRCW080510K0FKEAHP
✅ Drop-In📋 Reference alternative (not in catalog)
RC0805FR-0710KL
✅ Drop-In✓ In Stock
$0.002 / Unit
View Datasheet →ERJ-6ENF1002V
✅ Drop-In📋 Reference alternative (not in catalog)
CR0805-FX-1002ELF
✅ Drop-In📋 Reference alternative (not in catalog)
MCR10ERTF1002
✅ Drop-In📋 Reference alternative (not in catalog)
RC0805FR-0710KL
✅ Drop-In✓ In Stock
$0.002 / Unit
View Datasheet →CRCW080510K0FKTABC
✅ Drop-In📋 Reference alternative (not in catalog)
CRCW080510K0FKEA Maximum Ratings & Electrical Characteristics
| Resistance | 10 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125 W, 1/8 W |
| Composition | Thick Film |
| Temperature Coefficient | ±100 ppm/°C |
| Package | 0805 (2012 Metric) |
| Mounting Type | Surface Mount |
| Qualification | Automotive AEC-Q200 |
| Features | Pulse withstanding, enhanced power, double-side printed element, protective overglaze |
| Termination | Ni-plated with Pb-free pure tin outer layer |
| Lead Free Status | Lead Free |
| Operating Temperature Range | -55°C to +155°C |
| Packaging Option | Cut Tape (CT), Tape & Reel |
| Series | CRCW-e3 (standard thick film chip resistor) |
CRCW080510K0FKEA Pin Configuration
| Pin 1 | Terminal 1 — Resistive element termination (non-polarized) |
| Pin 2 | Terminal 2 — Resistive element termination (non-polarized) |
Typical Applications
CRCW080510K0FKEA is suitable for 6 applications: Automotive ECUs and Body Electronics, Pull-Up and Pull-Down Networks, Voltage Dividers in Power Supplies, Industrial Control and PLC I/O, General-Purpose Analog Signal Conditioning, Consumer and IoT Device Boards.
Automotive ECUs and Body Electronics
The CRCW080510K0FKEA is explicitly qualified to AEC-Q200, the automotive stress-test standard for passive components, making it a natural fit for engine control units, body control modules, and sensor interfaces. Its ±1% tolerance and ±100 ppm/°C TCR hold resistance within budget across the -55°C to +155°C automotive ambient range, and its pulse-load capability absorbs load-dump-adjacent transients on conditioned supply rails. In a typical ECU, these resistors serve as pull-ups on diagnostic lines (K-line, CAN-related biasing) and as divider elements feeding ADC inputs, where the 10 kOhm value keeps quiescent drain low (35 µA at 12 V) while maintaining signal accuracy. Placing them on the standard 0805 land pattern supports automated assembly and reflow soldering per the Vishay datasheet profile.
Recommended
Pull-Up and Pull-Down Networks
A 10 kOhm value is the industry-default pull-up/pull-down resistor for I2C buses, reset lines, and microcontroller GPIO, and the CRCW080510K0FKEA suits this role precisely. At 3.3 V, a 10 kOhm pull-up sources only 0.33 mA - low enough for battery-powered IoT nodes yet strong enough for 100-400 kHz I2C with typical bus capacitance. The ±1% tolerance is far tighter than pull-up sizing rules require (values from 4.7 kOhm to 47 kOhm are usually acceptable), so parametric risk is negligible. Because these networks often populate dozens of positions per board, the CRCW080510K0FKEA's commodity pricing in cut tape and reel packaging keeps BOM cost minimal, while AEC-Q200 qualification lets the same BOM line serve industrial and automotive customers without dual sourcing.
Recommended
Voltage Dividers in Power Supplies
Feedback dividers that set switch-mode converter output voltages commonly use 10 kOhm-class resistors, and the CRCW080510K0FKEA provides the required ±1% initial accuracy with manageable thermal drift. Drawing roughly 1.2 mA at a 12 V rail, a 10 kOhm top resistor balances quiescent loss against noise immunity at the feedback node - lower values improve noise robustness, higher values save power. The ±100 ppm/°C TCR contributes only about 0.1% shift over a 100°C excursion, which typically translates to a few millivolts of output drift on a 3.3 V rail. For regulators requiring tighter setpoint accuracy, pair the CRCW080510K0FKEA with the tighter-TCR CRCW080510K0FKTB, or use precision thin film in the top divider position only.
Recommended
Industrial Control and PLC I/O
Programmable logic controller input stages, optocoupler biasing, and interlock logic all rely on robust general-purpose resistors, and the CRCW080510K0FKEA's pulse-load capability and AEC-Q200 pedigree transfer directly to industrial reliability requirements. In a typical 24 V industrial input channel, the 10 kOhm resistor limits LED/optocoupler current to about 2.3 mA while dissipating roughly 53 mW - comfortably below the 0.125 W rating even after derating above 70°C. The protective overglaze and nickel-plated terminations resist humidity and solder-joint degradation in humid factory environments. Using the same 0805 footprint across the I/O card simplifies placement, stencil design, and reflow profiling across all resistive positions on the board.
Recommended
General-Purpose Analog Signal Conditioning
Op-amp gain-setting networks, reference dividers, and filter damping resistors frequently use 10 kOhm values because they balance bias-current error against noise, and the CRCW080510K0FKEA fits these roles when 1% accuracy is sufficient. For example, a non-inverting amplifier gain of 2 using 10 kOhm/10 kOhm sees worst-case gain error from tolerance alone of about 2%, adequate for many monitoring circuits. The ±100 ppm/°C TCR keeps thermal gain drift modest; where the application budget is tighter (instrumentation front ends, precision references), substitute the 50 ppm/°C CRCW080510K0FKTB or a 0.1% thin film part instead. The 0805 package's small 2012-metric footprint permits dense analog layouts with short, low-parasitic feedback paths.
Recommended
Consumer and IoT Device Boards
High-volume consumer electronics and IoT products benefit most from the CRCW080510K0FKEA's combination of automotive-grade quality and commodity cost. In a smart-home sensor node, 10 kOhm resistors appear as I2C pull-ups, button debounce/enable dividers, battery-voltage sense dividers (10 kOhm/10 kOhm halving a 2-cell input), and LED current limiting at low currents. The -55°C to +155°C operating range comfortably covers indoor and enclosed-outdoor product environments. Because the part is stocked broadly (DigiKey ships today per its listing as of 2026-09-06), contract manufacturers can secure reels without long lead times, and the cross-brand drop-in equivalents listed here (Yageo RC0805FR-0710KL, Panasonic ERJ-6ENF1002V) provide second-source resilience for supply-chain risk management.
Recommended
Recommended Products Summary
Engineering reference data for CRCW080510K0FKEA — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CRCW080510K0FKTB | RC0805FR-0710KL | ERJ-6ENF1002V | CR0805-FX-1002ELF |
|---|---|---|---|---|---|
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same |
| Brand | Vishay Intertechnology | Vishay Intertechnology | YAGEO | Panasonic | Bourns |
| Resistance | 10 kOhms | 10 kOhms | 10 kOhms | 10 kOhms | 10 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125 W (1/8 W) | 0.125 W | 0.125 W | 0.125 W | 0.125 W |
| Temperature Coefficient | ±100 ppm/°C | ±50 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film |
Key Differentiators
- AEC-Q200 automotive qualification at commodity price (vs RC0805FR-0710KL)
- Enhanced pulse load capability via double-side printed element (vs ERJ-6ENF1002V)
- Tighter-TCR upgrade on identical footprint (vs CRCW080510K0FKTB)
Design Notes
The CRCW080510K0FKEA is rated 0.125 W at 70°C ambient with linear derating to zero at higher temperatures up to +155°C. Estimated: at 10 kOhm the continuous voltage limit is sqrt(0.125 × 10000) ≈ 35 V, so verify divider and bleeder node voltages stay below this after derating. For pulse-heavy nodes (inrush, discharge), exploit the CRCW-e3 series' enhanced pulse capability but validate with the datasheet pulse curves; the CRCW080510K0FKEAHP offers higher pulse/power headroom in the same footprint.
Use the standard 0805 chip resistor land pattern (approximately 1.3 mm pad width, 0.6 mm gap per IPC-7351-referenced 0805 geometry) - this guarantees drop-in compatibility with all alternatives listed on this page. Reflow solder per the Vishay datasheet recommended profile; the pure-tin lead-free terminations are compatible with standard SAC305 solder paste. For high-value positions prone to tombstoning, keep pads thermally symmetric and avoid connecting one pad to a large copper plane without thermal relief.
Do not confuse CRCW0805 suffixes: FKEA = ±100 ppm/°C, FKTB = ±50 ppm/°C - they share the footprint but differ in drift, and swapping them silently changes precision budgets. Also note some distributor listings for adjacent CRCW0805 variants show 0.25 W or 0.333 W ratings; always confirm the power rating against the official Vishay CRCW-e3 datasheet for your exact suffix. Finally, thick film resistors drift with operating time per Vishay's functional-lifetime note - for long-life precision applications, budget for drift or use thin film.
Compliance Information
AEC-Q200 qualified (automotive passives standard) per DigiKey listing. Lead-free pure tin termination with Pb content <0.1% by weight per JEDEC JESD97, as referenced in TTI part data. RoHS compliant per distributor listings. REACH, halogen-free, and conflict-minerals status not stated in provided data.
