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HomeProductsResistorsChip Resistor - Surface MountERJ-UP8D1541V
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ERJ-UP8D1541V - Panasonic Electronic Components

Manufacturer Part Number
ERJ-UP8D1541V
Manufacturer
Panasonic
Allelco Part Number
98D-ERJ-UP8D1541V
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,329 pcs available, New & Original
Parts Description
1206 ANTI-SULFUR 0.66W, 0.5%, 1.
Package
1206
Data sheet
ERJ-UP8D1541V.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 46329
  • Unit Price: $0.056
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.056 $0.06
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ERJ-UP8D1541V Tech Specifications
Panasonic Electronic Components - ERJ-UP8D1541V technical specifications, attributes, parameters and parts with similar specifications to Panasonic Electronic Components - ERJ-UP8D1541V

Product Attribute Attribute Value
Manufacturer Panasonic
Tolerance ±0.5%
Temperature Coefficient ±100ppm/°C
Supplier Device Package 1206
Size / Dimension 0.126" L x 0.063" W (3.20mm x 1.60mm)
Series ERJ-UP8
Resistance 1.54 kOhms
Ratings AEC-Q200
Power (Watts) 0.667W, 2/3W
Product Attribute Attribute Value
Package / Case 1206 (3216 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.028" (0.70mm)
Features Anti-Sulfur, Automotive AEC-Q200
Failure Rate -
Composition Thick Film
Base Product Number ERJ-UP

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8533.21.0030

Frequently Asked Questions(FAQ)

What makes the ERJ-UP8D1541V anti-sulfur resistor suitable for automotive environments where standard thick film resistors might fail?
The ERJ-UP8D1541V incorporates anti-sulfur technology specifically engineered to resist hydrogen sulfide attack, which is a primary degradation mechanism in automotive underbody and engine compartment applications. Standard thick film resistors exposed to sulfur-containing pollutants experience resistance drift and premature failure; the ERJ-UP8D1541V's anti-sulfur construction maintains stable 1.54 kOhms performance across the -55°C to 155°C automotive temperature range. This design addresses real-world corrosion scenarios in vehicle emission control systems, battery management circuits, and high-temperature sensor interfaces where sulfurous compounds accumulate.
How does the ±0.5% tolerance of the ERJ-UP8D1541V compare to standard automotive resistors, and when would tighter tolerance be necessary?
The ERJ-UP8D1541V's ±0.5% tolerance represents the middle ground in automotive thick film resistor specifications. For analog sensor conditioning and ratiometric voltage divider circuits where accuracy directly affects measurement error budgets, the ±0.5% tolerance of the ERJ-UP8D1541V provides adequate stability without requiring premium-grade 0.1% components. However, in precision current-sensing networks or high-resolution ADC front-ends, designers often parallel multiple ERJ-UP8D1541V units or select tighter-tolerance networks. The real trade-off is cost: the ERJ-UP8D1541V balances manufacturing yield with stringent automotive reliability without excessive expense.
Can the ERJ-UP8D1541V's 0.667W (2/3W) rating handle continuous dissipation in a 0.1A design, and what thermal constraints apply?
At 0.1A through the ERJ-UP8D1541V's 1.54 kOhms, continuous power dissipation is approximately 15.4 mW—well below the 0.667W rating. However, the real constraint is package thermal resistance: the 1206 form factor (3.20mm × 1.60mm) of the ERJ-UP8D1541V exhibits roughly 200–250°C/W junction-to-ambient thermal resistance on a typical FR-4 PCB. In high-density underhood layouts where ambient approaches 80–100°C, sustained currents above 50–60 mA through the ERJ-UP8D1541V approach the 155°C maximum junction limit. For higher-current applications, 2512 or 3616 packages provide better thermal performance, even if the 1206 ERJ-UP8D1541V has adequate electrical rating.
What is the temperature coefficient behavior of the ERJ-UP8D1541V across cold-start and thermal cycling conditions typical in engine management?
The ERJ-UP8D1541V specifies ±100 ppm/°C temperature coefficient, which translates to approximately ±0.154 Ohms resistance change per °C swing. During a -40°C to +125°C thermal cycle common in automotive testing, this yields roughly ±9 Ohms total drift from the nominal 1.54 kOhms baseline. When the ERJ-UP8D1541V is used in analog gain networks or filter corner-frequency definitions, this drift is often compensated by matching resistor pairs from the same manufacturing lot. In cold-start transient response circuits, the ±100 ppm/°C characteristic of the ERJ-UP8D1541V is generally slower than the thermal time constant of the surrounding circuitry, so design-in impact is minimal unless precision compensation is explicitly required.
How does AEC-Q200 qualification of the ERJ-UP8D1541V reduce component selection risk compared to general-purpose thick film resistors?
AEC-Q200 qualification mandates accelerated life testing, temperature cycling, humidity bias, and electrical performance retention protocols beyond standard IPC specifications. The ERJ-UP8D1541V's AEC-Q200 status certifies that anti-sulfur construction and thick film composition have been validated through 1,000+ hours of environmental stress. Automotive supply chains require this certification for under-hood and emission-related circuits; selecting the ERJ-UP8D1541V eliminates downstream qualification delays and field-failure liability that can arise from unqualified components. The cost premium is typically 15–25% over non-qualified equivalents, but the ERJ-UP8D1541V's documented qualification pedigree provides traceable supply-chain confidence.
Why is MSL (Moisture Sensitivity Level) 1 rating on the ERJ-UP8D1541V advantageous for high-volume automotive assembly?
MSL 1 classification on the ERJ-UP8D1541V means unlimited shelf life without humidity control, eliminating desiccant-bag handling and out-of-oven time tracking that MSL 2 and MSL 3 components require. In high-volume automotive manufacturing with Just-In-Time (JIT) inventory and distributed assembly lines, the ERJ-UP8D1541V's MSL 1 status reduces supply-chain overhead and minimizes reflow-related component failures from moisture absorption. This is particularly valuable in tier-2 and contract manufacturer environments where environmental controls are less stringent than Tier-1 OEM facilities. The ERJ-UP8D1541V's unlimited moisture tolerance means no derating, no baking cycles, and no lot-expiration tracking—simplifying procurement and reducing scrap.
Is the ERJ-UP8D1541V suitable as a direct replacement for legacy 1/2W resistors in engine control module rework?
Physical compatibility exists: the ERJ-UP8D1541V's 1206 package (3.20mm × 1.60mm) footprint matches legacy 1206 thick film designs, and the 0.667W rating exceeds typical 0.5W specifications. However, direct substitution requires verification of circuit function: if the original 1/2W design relied on slightly different temperature coefficients or relied on specific resistor matching within a tolerance band, the ERJ-UP8D1541V's ±0.5% tolerance and ±100 ppm/°C characteristics may introduce unexpected bias shifts in analog front-end circuits. The ERJ-UP8D1541V's anti-sulfur construction is also a functional upgrade that changes long-term drift behavior; field service documentation should specify the ERJ-UP8D1541V explicitly rather than assuming generic 1206 interchangeability.
How does the ERJ-UP8D1541V's thick film construction compare to thin film technology for precision analog signal conditioning in automotive sensor interfaces?
Thick film technology, used in the ERJ-UP8D1541V, offers better volumetric efficiency and cost scalability for mid-tolerance applications, while thin film resistors provide superior temperature coefficient (typically ±25 ppm/°C) and tighter tolerances (0.1%). In automotive sensor conditioning, the ERJ-UP8D1541V's ±100 ppm/°C and ±0.5% tolerance are adequate for ratiometric bridge excitation and transimpedance amplifier feedback networks where reference and sense resistors are matched pairs. Thin film would only be justified if absolute gain accuracy tighter than ±2–3% is required across the full -55°C to 155°C operating range. For most engine-management and emission-control circuits, the ERJ-UP8D1541V's thick film approach reduces cost while meeting functional precision targets.
What precautions should be taken during PCB layout and reflow when designing with the ERJ-UP8D1541V in high-vibration engine compartment locations?
The ERJ-UP8D1541V's small 1206 footprint (3.20mm × 1.60mm) and low height (0.70mm maximum) make it prone to solder-joint cracking under sustained vibration if pad design or trace routing creates mechanical stress concentrators. Layout best practices for the ERJ-UP8D1541V include: avoid sharp pad corners (use 0.3–0.5mm fillet radii), maintain 1.5× trace width clearance around pads, and minimize mechanical coupling between the resistor and vibration sources by routing away from board edges. Reflow profile matters: the ERJ-UP8D1541V requires standard lead-free solder windows (peak 250–260°C, dwell 10–30 seconds); over-heating degrades the thick film element. In vibration-sensitive applications, underfill or selective conformal coating around the ERJ-UP8D1541V adds mechanical damping without affecting electrical performance.
Does the ERJ-UP8D1541V require derating at elevated underhood temperatures, and how should power dissipation be calculated?
The ERJ-UP8D1541V's 0.667W rating applies up to 70°C ambient. Above 70°C, derating curves (typically 1% per °C for thick film) apply; at 125°C underhood temperature, the effective safe power dissipation is roughly 0.60W. Real-world derating calculations for the ERJ-UP8D1541V account for PCB thermal resistance, air flow, and neighboring heat sources. A single-sided PCB with poor thermal vias may present 400°C/W resistance, causing the ERJ-UP8D1541V junction to reach 125°C at just 0.18W dissipation. Designers should calculate: P_safe = (T_max - T_ambient) / (R_theta_JA × derating_factor), where R_theta_JA for the ERJ-UP8D1541V on a typical automotive PCB is 200–300°C/W. Conservative design assumes 0.3–0.4W continuous on the ERJ-UP8D1541V in underhood circuits unless thermal modeling confirms higher margins.
How does ROHS3 compliance on the ERJ-UP8D1541V affect supply-chain traceability and regulatory documentation for automotive OEM programs?
ROHS3 compliance on the ERJ-UP8D1541V certifies exemption from restricted substances (lead, cadmium, mercury, etc.) and is mandatory for EU automotive market access and California ZEV regulations. The ERJ-UP8D1541V's ROHS3 status eliminates supply-chain verification delays and simplifies OEM environmental impact assessments. However, lead-free solder transitions in assembly processes require higher reflow temperatures, which can stress the thick film element of the ERJ-UP8D1541V if thermal profiles exceed 260°C peak. Suppliers should provide ROHS3 declaration letters; the ERJ-UP8D1541V traceability documentation reduces recall risk and streamlines eco-design audits for Tier-1 OEM supply agreements.
In what circuit topologies does the ERJ-UP8D1541V's 1.54 kOhms value provide natural impedance matching or bias optimization for automotive sensors?
The 1.54 kOhms resistance of the ERJ-UP8D1541V falls in the sweet spot for NTC thermistor bias networks and sensor excitation circuits common in engine thermal management. Paired with a 10 µF coupling capacitor, the ERJ-UP8D1541V creates a 10.3 ms RC corner frequency—ideal for filtering 50–60 Hz mains and vehicle electrical noise while preserving sensor bandwidth below 10 Hz. In ratiometric ADC front-ends, the ERJ-UP8D1541V's 1.54 kOhms provides moderate input impedance that balances ADC input leakage current (typically 1–5 pA) without introducing excessive Johnson noise (approximately 64 nV/√Hz for the ERJ-UP8D1541V at room temperature). For lambda sensor signal conditioning, the ERJ-UP8D1541V's impedance is low enough to avoid EMI coupling while high enough to minimize input bias current errors in transimpedance amplifier designs.
What is the expected field-failure rate distribution for the ERJ-UP8D1541V based on automotive duty cycles, and how does this inform sparing strategies?
While Panasonic does not publish explicit MTBF figures for the ERJ-UP8D1541V, AEC-Q200 qualification implies failure rates below 100 FITs (failures per 10^9 component hours) under rated conditions. Over a 10-year vehicle service life (approximately 120,000 operating hours of thermal and electrical stress), a single ERJ-UP8D1541V carries an estimated cumulative failure probability below 1.2%. In redundant or safety-critical circuits, designers parallel two ERJ-UP8D1541V units with independent fail-open or fail-safe topologies. For high-volume fleet service programs, sparing ratios of 0.5–1% for the ERJ-UP8D1541V are typical, reflecting both the low inherent failure rate and the low cost of maintaining inventory. Accelerated life testing data from Panasonic AEC-Q200 qualification reports provide lot-specific failure projections if extended field reliability is a contract requirement.

Parts with Similar Specifications

The three parts on the right have similar specifications to Panasonic Electronic Components ERJ-UP8D1541V

Product Attribute ERJ-UP8D1501V ERJ-UP8D1581V ERJ-UP8D15R4V ERJ-UP8D1542V
Part Number ERJ-UP8D1501V ERJ-UP8D1581V ERJ-UP8D15R4V ERJ-UP8D1542V
Manufacturer Panasonic Electronic Components Panasonic Electronic Components Panasonic Electronic Components Panasonic Electronic Components
Features - - - Simultaneous Sampling
Size / Dimension - - - -
Series - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Power (Watts) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Resistance - - - -
Ratings - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Height - Seated (Max) - - - -
Composition - - - -
Tolerance - - - -
Temperature Coefficient - - - -
Failure Rate - - - -
Number of Terminations - - - -

ERJ-UP8D1541V Datasheet PDF

Download ERJ-UP8D1541V pdf datasheets and Panasonic Electronic Components documentation for ERJ-UP8D1541V - Panasonic Electronic Components.

Datasheets
Fixed Resistors Product Catalog.pdf
HTML Datasheet
Fixed Resistors Product Catalog.pdf

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Panasonic Electronic Components

ERJ-UP8D1541V

Panasonic Electronic Components
98D-ERJ-UP8D1541V

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