PCF0805R-1K50BI WELWYN Resistor (Resistor Chip) In Stock
WELWYN PCF0805R-1K50BI is a precision thin-film chip resistor with 1.5 kΩ resistance and an ultra-tight 0.1% tolerance in a compact 0805 package. Rated at 0.1 W power dissipation with a low temperature coefficient, it delivers stable performance for high-accuracy analog and measurement circuits. Available in tape-and-reel packaging for automated SMT assembly.
- Manufacturer
- WELWYN
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- PCF0805R-1K50BI Datasheet PDF
- Category
- Resistor
- Price
- From $0.1560(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PCF0805R-1K50BI?
- Ultra-tight 0.1% resistance tolerance for precision analog signal conditioning
- Thin-film construction enabling low TCR and stable 1.5 kΩ resistance over temperature
- Compact 0805 (2012 metric) package rated at 0.1 W power dissipation
- Tape-and-reel packaging compatible with high-volume automated SMT placement
What is PCF0805R-1K50BI used for?
The PCF0805R-1K50BI is suited for precision voltage dividers, feedback networks, and current-sensing circuits in instrumentation, medical devices, and telecommunications equipment. Its 0.1% tolerance ensures minimal measurement error in high-accuracy ADC reference and gain-setting applications. The 0805 package simplifies integration into compact PCB layouts where space and thermal performance are critical.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the PCF0805R-1K50BI datasheet?
PCF0805R-1K50BI Datasheet DownloadOfficial datasheet from WELWYN
What are equivalent replacements for PCF0805R-1K50BI?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 0.1% tolerance of the PCF0805R-1K50BI compare to standard resistors for precision circuit design?
Standard thick-film resistors typically carry 1% or 5% tolerances, while the PCF0805R-1K50BI offers a 0.1% tolerance on its 1.5 kΩ resistance value. This ten-fold improvement in accuracy makes it suitable for precision voltage dividers, ADC reference networks, and differential amplifier gain-setting resistors where tight matching is essential.
What power rating applies to the PCF0805R-1K50BI and how does that affect thermal design in dense layouts?
The PCF0805R-1K50BI is rated at 0.1 W (100 mW) continuous power dissipation in the 0805 package. Designers should derate by approximately 50% above 70°C ambient to maintain long-term reliability, making it appropriate for low-power signal paths rather than power-carrying lines in compact PCB assemblies.
Which alternative resistance values does Welwyn offer in the PCF0805R series for design flexibility?
The Welwyn PCF0805R series includes resistance values spanning from 10 Ω to 1 MΩ, all sharing the same 0.1% tolerance and 0.1 W rating in the 0805 package. This breadth lets engineers select from E96 series values to populate precision resistor networks or replace multiple 1% parts with a single matched 0.1% component.
Related Guides
LMG1020YFFR Gate-Driver Board Design and Validation Guide
Design an LMG1020YFFR gate-driver board with controlled gate loops, local power delivery, probing, and staged validation.
Nov 3, 2026
How to Choose a Thyristor Surge Protector: TISP4015L1BJR-S Selection Guide
Compare three Bourns TISP candidates by protection window, package, documentation, and procurement requirements before requesting an exact-part quote.
Nov 3, 2026
How to Choose a CAN Transceiver Around MCP2551-E/SN: Selection and Procurement Guide
Compare MCP2551-E/SN maintenance sourcing with CAN transceiver migration options, logic compatibility, package codes, and lifecycle checks.
Nov 2, 2026
TISP4015L1BJR-S Design Guide for Surge Protection
Design a TISP4015L1BJR-S surge protection circuit with coordinated voltage limits, current paths, recovery checks, and bench validation.
Nov 2, 2026
Why Buy from FindMyChip
About WELWYN
WELWYN is a leading electronic component manufacturer. FindMyChip sources WELWYN ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.2230 | $55.75 |
| 500+ | $0.1860 | $93.00 |
| 1000+ | $0.1560 | $156.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
NC20J00682JBA
AVX
Resistor
PR02000201001JR500
Vishay
Resistor
CRCW060322K6FKEA
Vishay
Resistor
MC01W0805122K6
MULTICOMP
Resistor
MC0125W1206130K1
MULTICOMP
Resistor
ERJ6ENF2262V
Panasonic
Resistor
ERJP06F4641V
Panasonic
Resistor
ERJPA3F2262V
Panasonic
Resistor
ERJ8ENF2262V
Panasonic
Resistor
ERJ-6ENF2262V
Panasonic
Resistor
CPF0603B22K6E1
TE Connectivity
Resistor
CRCW1206133RFKEAHP
Vishay
Resistor
MC1206S4F1330T5E
MULTICOMP
Resistor
MC0125W12061133R
MULTICOMP
Resistor
ERJ8ENF1330V
Panasonic
Resistor
CRCW1206133RFKEB
Vishay
Resistor
CRCW1206133RFKEA
Vishay
Resistor
CRCW0805133RFKEAHP
Vishay
Resistor
ERJ6ENF1330V
Panasonic
Resistor
ERA-8AEB4023V
Panasonic
Resistor
ERA-8AEB202V
Panasonic
Resistor
RC0805FR-1010KL
YAGEO (PHYCOMP)
Resistor
CRCW0805270RJNEA
Vishay
Resistor
CRCW080512K0JNEA
Vishay
Resistor