ERJT08J394V Panasonic Resistor (Resistor Chip) In Stock
Panasonic ERJT08J394V is a 1206 thick film surface mount resistor with 390kΩ resistance, ±5% tolerance, 0.33W power rating, and ±200ppm/°C temperature coefficient. From $0.01 in stock worldwide shipping.
- Manufacturer
- Panasonic
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJT08J394V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0420(MOQ 50)
- Temp Range
- -55.0°C to 155.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ERJT08J394V?
- 390kΩ high resistance value for voltage divider and bias network applications
- 0.33W power rating in compact 1206 (3216 metric) SMT package at 3.2mm × 1.6mm
- ±200ppm/°C TCR providing stable high-impedance performance across temperatures
- Thick film construction delivering low noise in sensitive analog signal chains
- RoHS compliant (JESD-609 e3) and REACH-compliant for global market use
- ±5% tolerance suitable for voltage dividers, pull-up networks, and biasing circuits
What is ERJT08J394V used for?
The ERJT08J394V is well-suited for high-impedance voltage divider networks, ADC input biasing, and feedback resistor chains in operational amplifier circuits where minimal current draw is required. Its 390kΩ value is commonly used in battery voltage monitoring dividers and low-power sensor interface circuits in IoT devices and wearables. The 1206 package provides reliable manufacturability while the ±200ppm/°C TCR ensures stable divider ratios across the operating temperature range.
What are the specifications of ERJT08J394V?
| Reach Compliance Code | Compliant |
| YTEOL | 12 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.6mm |
| Package Length | 3.2mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 1.6mm |
| Packing Method | TR, PUNCHED, 7 INCH |
| Rated Power Dissipation (P) | 0.33W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 390000Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1206 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 200ppm/°C |
| Terminal Finish | Tin (Sn) |
| Terminal Shape | WRAPAROUND |
| Tolerance | 5% |
| Working Voltage | 200V |
| Package | Resistor Chip |
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 ERJT08J394V datasheet?
ERJT08J394V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJT08J394V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What voltage can the ERJT08J394V sustain at its rated 0.33W power?
At 0.33W and 390kΩ, the ERJT08J394V can sustain a maximum applied voltage of approximately 358V (V = sqrt(P × R)). However, the working voltage is typically limited by the resistor's rated maximum voltage, which for 1206 package thick film resistors is usually 200V to 300V, so verify the datasheet for the applicable voltage derating.
How does a 390kΩ resistor like ERJT08J394V perform in a voltage divider for battery monitoring?
In a 2-resistor voltage divider from a 12V battery to a 3.3V ADC, pairing ERJT08J394V (390kΩ) with a 130kΩ lower resistor yields a 3.0V output at full charge (12V × 130/(390+130) = 3.0V), drawing only 23µA from the battery. This ultra-low quiescent current is ideal for always-on battery monitoring in portable and IoT devices.
What noise performance can designers expect from the ERJT08J394V in sensitive analog circuits?
Thick film resistors like the ERJT08J394V generate thermal (Johnson) noise of approximately 2.5µV/√Hz at room temperature for 390kΩ (V_noise = sqrt(4kTR×BW)). In a 10kHz bandwidth analog front-end, total thermal noise is approximately 250µV RMS, requiring careful consideration in high-precision signal conditioning applications below 1mV signal levels.
When replacing a through-hole 390kΩ resistor with ERJT08J394V, what layout considerations apply?
Replacing a through-hole 390kΩ with the 1206 surface mount ERJT08J394V requires updating the PCB footprint from a 2-hole through-hole pattern to an SMD 1206 land pattern (approximately 3.7mm × 2.0mm recommended pad area). The 1206 package reduces component height from typically 6mm to just 0.6mm, significantly lowering PCB profile in space-constrained designs.
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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 |
|---|---|---|
| 50+ | $0.0500 | $2.50 |
| 250+ | $0.0450 | $11.25 |
| 500+ | $0.0420 | $21.00 |
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