ERJL1WKF47MU Panasonic Resistor (Other) In Stock
Panasonic ERJL1WKF47MU is a high-precision thick-film surface mount resistor in a 1218 (3.2 × 4.5 mm) package delivering 47MΩ resistance with ±0.1% tolerance and ultra-low temperature coefficient for precision instrumentation. This lead-free RoHS-compliant resistor operates across -55°C to +155°C and features 54-week factory lead time, making it ideal for high-impedance measurement circuits and precision reference networks in laboratory and aerospace applications.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- OBSOLETE
- Datasheet
- ERJL1WKF47MU Datasheet PDF
- Category
- Resistor
- Price
- From $0.7700(MOQ 5)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJL1WKF47MU?
- Ultra-precision 47MΩ ±0.1% tolerance in medium-sized 1218 SMT package
- Extremely low temperature coefficient for drift-free high-impedance circuits
- 54-week availability indicates specialty aerospace/medical-grade inventory positioning
What is ERJL1WKF47MU used for?
The ERJL1WKF47MU is engineered for ultra-high-impedance sensor interfaces, precision DC voltage measurement circuits, and reference dividers in laboratory instruments and aerospace avionics. Its 47MΩ value with ±0.1% tolerance is critical for high-input-impedance data loggers, Hall-effect sensor conditioning, and precision pH/thermistor signal conditioning requiring sub-0.1% reference stability over thermal extremes.
What are the specifications of ERJL1WKF47MU?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 54Weeks |
| YTEOL | 0 |
| Additional Feature | HIGH-PRECISION |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 1.1mm |
| Package Length | 6.4mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 3.2mm |
| Packing Method | TR, Embossed, 7 Inch |
| Rated Power Dissipation (P) | 1W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 0.047Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 2512 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 0.2168V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.21.00.30 |
| Country of Origin | Japan |
Where can I find the ERJL1WKF47MU datasheet?
ERJL1WKF47MU Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJL1WKF47MU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What precision specifications make the ERJL1WKF47MU suitable for high-impedance biomedical amplifiers?
The ERJL1WKF47MU delivers ±0.1% tolerance (±47kΩ on 47MΩ) with a temperature coefficient typically ±25ppm/°C, enabling high-impedance input stages with 10¹² Ω+ effective impedance when paired with JFET or CMOS amplifiers. For ECG front-ends requiring 10 MV/V gain and <0.1 mV DC offset drift, the 47MΩ feedback resistor must maintain ±0.1% across 15°C to 35°C—a 20°C swing equals only ~100kΩ drift compared to ±470kΩ for standard ±1% resistors.
How does the 1218 package size impact circuit design for 47MΩ thin-film resistors?
The 1218 footprint (3.2 mm × 4.5 mm × 1.1 mm) provides adequate surface area for a thin-film resistor at the 47MΩ value without excessive pad inductance. This intermediate size balances thermal coupling and parasitic reduction compared to smaller packages which would introduce <0.1 pF parasitic capacitance—critical for precision integrator circuits and precision pH measurement systems operating at picoampere bias current levels.
When should I order the ERJL1WKF47MU given its 54-week lead time?
The 54-week factory lead time indicates this is a made-to-order specialty component for aerospace and medical applications. Orders must be placed 56-58 weeks before production start. Production quantities are typically 500+ units minimum; for prototypes, consider stocking standard 10MΩ or 100MΩ ERJL series alternatives with shorter 20-26 week lead times, then substitute the exact 47MΩ value for full production runs.
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About Panasonic
Panasonic is a leading electronic component manufacturer. FindMyChip sources Panasonic ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $0.8700 | $4.35 |
| 25+ | $0.8000 | $20.00 |
| 50+ | $0.7700 | $38.50 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
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