RK73B1FTTBL4R7J KOA Speer Resistor (Resistor Chip) In Stock
RK73B1FTTBL4R7J is a KOA Speer resistor component for biasing, current limiting, and sensing networks. It supports 2 pins in a Resistor Chip package. Request inquiry pricing with worldwide shipping support for production or replacement sourcing.
- Manufacturer
- KOA Speer
- Package
- Resistor Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- RK73B1FTTBL4R7J Datasheet PDF
- Category
- Resistor
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2 pins resistor component configuration for biasing, current limiting, and sensing networks
- Resistor Chip package aligned with KOA Speer documentation and PCB footprint checks
- Suitable for production, repair, and replacement sourcing with worldwide shipping support
Applications
RK73B1FTTBL4R7J is commonly used in biasing, current limiting, and sensing networks, repair builds, prototype validation, and production replenishment where an exact KOA Speer part match is required. Engineering and purchasing teams should verify the Resistor Chip package, 2 pins, lifecycle status, and approved alternates before committing it to a BOM.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 12 |
| Construction | Rectangular |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 0.13mm |
| Package Length | 0.4mm |
| Package Style | SMT |
| Package Width | 0.2mm |
| Packing Method | TR, PRESSED PAPER, 7 INCH |
| Rated Power Dissipation (P) | 0.03W |
| Rated Temperature | 70°C |
| Reference Standard | IEC60115-8 |
| Resistance | 4.7Ω |
| Resistor Type | FIXED RESISTOR |
| Size Code | 01005 |
| Surface Mount | YES |
| Technology | METAL GLAZE/THICK FILM |
| Temperature Coefficient | 0,300 ppm/°C |
| Terminal Finish | MATTE TIN OVER NICKEL |
| Terminal Shape | WRAPAROUND |
| Tolerance | 5% |
| Working Voltage | 20V |
| 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, Mainland China, Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which design role fits RK73B1FTTBL4R7J best?
RK73B1FTTBL4R7J is suited to biasing, current limiting, and sensing networks when the design needs 2 pins and manufacturer-matched sourcing. Confirm the KOA Speer datasheet details before freezing electrical or mechanical limits.
How should engineers verify package or footprint compatibility?
For PCB layout, verify the Resistor Chip package footprint, 2 pins, pad geometry, and assembly notes against the current KOA Speer drawing before releasing a production build.
What should buyers confirm before sourcing this exact manufacturer part?
Before ordering, confirm lifecycle status, packaging suffix, approved alternates, and the exact 2 pins requirement so the supplied resistor component matches the BOM.
Related Guides
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
0402 10uF X5R Decoupling Design Guide for Compact Digital Rails
Application note for using CL05A106MP5NUNC-class 0402 10uF X5R MLCCs in compact digital rail decoupling designs.
Jun 19, 2026
How to Choose an 0805 10uF MLCC for Decoupling and Bulk Capacitance
Selection guide for choosing 0805 10uF MLCCs around CL21A106KOQNNNE, covering derating, dielectric, package, and sourcing checks.
Jun 19, 2026
Why Buy from FindMyChip
About KOA Speer
KOA Speer is a leading electronic component manufacturer. FindMyChip sources KOA Speer ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”