ERJP08F43R0V Panasonic Resistor (Other) In Stock
Panasonic ERJP08F43R0V is a thick film surface mount resistor in a 1206 package with 43 Ω resistance, ±1% tolerance, 0.66 W power rating, and ±100 ppm/°C temperature coefficient. Lead-free and REACH compliant, suitable for current limiting, impedance matching, and filtering circuits.
- Manufacturer
- Panasonic
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ERJP08F43R0V Datasheet PDF
- Category
- Resistor
- Price
- From $0.0460(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 ERJP08F43R0V?
- 43 Ω resistance with ±1% (F-grade) tolerance for precise impedance matching and signal termination networks
- 0.66 W continuous power rating in a 1206 package (3.2 mm × 1.6 mm) supports higher-current limiting applications
- ±100 ppm/°C temperature coefficient ensures resistance remains within ±0.5% over a 50°C operating window
- Lead-free (JESD-609 e3) and REACH Compliant construction for RoHS-regulated markets worldwide
What is ERJP08F43R0V used for?
The ERJP08F43R0V is well suited for current-limiting resistors, series termination in digital signal lines, and impedance matching networks in RF and high-speed digital circuit designs. Its 43 Ω value is close to the 47 Ω standard for series termination of PCB traces with 50 Ω characteristic impedance, making it useful in high-frequency signal routing. The 0.66 W rating provides adequate thermal headroom for power-dissipating applications such as LED driver current limiting and small motor snubber circuits.
What are the specifications of ERJP08F43R0V?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Factory Lead Time | 22Weeks |
| 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) | 0.66W |
| Rated Temperature | 70°C |
| Reference Standard | AEC-Q200, IEC60115-8 |
| Resistance | 43Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 1206 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 100ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 1% |
| Working Voltage | 500V |
| 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 ERJP08F43R0V datasheet?
ERJP08F43R0V Datasheet DownloadOfficial datasheet from Panasonic
What are equivalent replacements for ERJP08F43R0V?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much continuous current can the ERJP08F43R0V safely carry, and how does that compare to an 0805 version?
At 43 Ω and 0.66 W maximum rated power, the ERJP08F43R0V can carry a continuous current of approximately 124 mA (I = √(P/R) = √(0.66/43)). An 0805 equivalent rated at 0.25 W would be limited to about 76 mA. The 1206 package's 0.66 W rating thus provides roughly 60% more current-handling capacity, making the ERJP08F43R0V the better choice for higher-current LED or relay driver circuits.
Why is 43 Ω a useful value for series termination of high-speed digital signals on PCB traces?
Many PCB microstrip and stripline traces have a characteristic impedance of 50 Ω. Driving a 50 Ω trace from a logic output with a 7 Ω source impedance, a series resistor of 43 Ω (7 Ω + 43 Ω = 50 Ω) provides a matched termination that eliminates reflections at clock frequencies above 50 MHz. The ERJP08F43R0V's ±1% tolerance keeps the termination resistance accurate, minimising signal integrity degradation in DDR, USB, or Ethernet source-termination networks.
What operating temperature range does the ERJP08F43R0V support and how does its temperature coefficient affect circuit accuracy?
The ERJP08F43R0V operates from -55°C to +155°C (standard Panasonic ERJP08 series range). With a ±100 ppm/°C temperature coefficient, the 43 Ω nominal resistance drifts by at most ±0.43 Ω over a 100°C temperature span. Combined with the ±1% initial tolerance (±0.43 Ω), worst-case total error is approximately ±2%, acceptable for current-limiting and termination circuits where exact resistance is less critical than in precision measurement applications.
Is the ERJP08F43R0V directly interchangeable with a 47 Ω 1206 resistor for a series termination application, and what effect does the 4 Ω difference have?
The ERJP08F43R0V (43 Ω) and a 47 Ω alternative share the same 1206 footprint and are pin-compatible. In a 50 Ω series termination circuit the 43 Ω value provides a better impedance match when the driver source impedance is approximately 7 Ω, while a 47 Ω resistor suits drivers with 3 Ω source impedance. Substituting one for the other introduces a 4 Ω mismatch in the termination, creating a small reflection coefficient of about 0.04—generally acceptable for signals below 500 MHz but noticeable in high-frequency signal integrity analysis.
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About Panasonic
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 50+ | $0.0500 | $2.50 |
| 1000+ | $0.0480 | $48.00 |
| 2500+ | $0.0460 | $115.00 |
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