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RK73Z1FTTBL
KOA Speer Electronics, Inc.
RESISTOR
25299 Pcs New Original In Stock
0 Ohms Jumper Chip Resistor 01005 (0402 Metric) Thick Film
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (196 Ratings)
RK73Z1FTTBL
Product Overview
2600814
DiGi Electronics Part Number
RK73Z1FTTBL-DGManufacturer
KOA Speer Electronics, Inc.
RK73Z1FTTBL
Description
RESISTORInventory
25299 Pcs New Original In Stock
0 Ohms Jumper Chip Resistor 01005 (0402 Metric) Thick Film
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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365 - Day Quality Guarantee - Every part fully backed.
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RK73Z1FTTBL Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
RK73Z
Product Status
Active
Resistance
0 Ohms
Tolerance
Jumper
Power (Watts)
-
Composition
Thick Film
Features
-
Temperature Coefficient
-
Operating Temperature
-55°C ~ 125°C
Package / Case
01005 (0402 Metric)
Supplier Device Package
1005
Ratings
-
Size / Dimension
0.016" L x 0.008" W (0.40mm x 0.20mm)
Height - Seated (Max)
0.006" (0.15mm)
Number of Terminations
2
Failure Rate
-
Datasheet & Documents
HTML Datasheet
RK73Z1FTTBL-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0030
Additional Information
Other Names
2019-RK73Z1FTTBLDKR
2019-RK73Z1FTTBLCT
2019-RK73Z1FTTBLTR
Standard Package
20,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
迪電電子的技術支援非常專業，任何疑問都能得到詳細的解答， shopping壓力大大降低。
Dec 02, 2025
DiGi Electronics est synonyme de qualité accessible et de confiance.
Dec 02, 2025
Je suis impressionné par leur constante volonté d’offrir des produits de haute qualité et un service client exceptionnel.
Dec 02, 2025
高品質な商品を、こんなにリーズナブルな価格で手に入れられるのは嬉しいです。
Dec 02, 2025
Their swift delivery process helps me stay on schedule with my music production.
Dec 02, 2025
DiGi Electronics maintains a high standard of logistics transparency.
Dec 02, 2025
I've tested their components under harsh conditions, and they remained intact, showcasing excellent material quality and durability.
Dec 02, 2025
I appreciate their consistent adherence to delivery timelines, making project management much easier.
Dec 02, 2025
Their customer support team is always approachable and efficient after the sale.
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Frequently Asked Questions (FAQ)
When designing in the RK73Z1FTTBL 0-ohm jumper resistor, what PCB layout considerations should I follow to ensure reliable solder joints given its 01005 (0402 metric) package size?
When using the RK73Z1FTTBL in high-density designs, ensure symmetric pad geometry and proper thermal balancing to prevent tombstoning during reflow. Use solder paste stencil openings slightly larger than the component terminations—typically 10–15%—and maintain consistent copper exposure. Given its 0.40mm x 0.20mm footprint, avoid placing vias within the pads and minimize thermal gradients across the board to ensure reliable solder joint formation during assembly.
Can the RK73Z1FTTBL be used as a trace jumper in RF signal routing, and what are the high-frequency limitations of this 0-ohm resistor compared to a continuous trace?
The RK73Z1FTTBL introduces minimal discontinuity but still has parasitic inductance (~0.5–1 nH) due to its thick-film construction and physical separation between terminations. In RF designs above 1–2 GHz, this can cause impedance mismatches or signal degradation compared to a continuous trace. Use the RK73Z1FTTBL only where routing constraints require jumpers, and simulate the path with EM tools to verify performance; consider bypassing with stitching vias in ground-dominated layers to mitigate parasitics.
Is the RK73Z1FTTBL a suitable replacement for the RC01005FR-070L in high-reliability automotive circuits, and are there any differences in long-term stability or moisture resistance?
Yes, the RK73Z1FTTBL is functionally equivalent to the Yageo RC01005FR-070L as both are 0-ohm, 01005-size thick-film jumpers with MSL1 and AEC-Q200 compliance not specified for either. However, confirm board-level reliability under thermal cycling (-55°C to 125°C) with your assembly process—minor differences in end-cap adhesion or dielectric strength may affect field longevity. The RK73Z1FTTBL offers comparable moisture resistance (ROHS3/REACH compliant), but validate with accelerated life testing in humid environments if used in under-hood applications.
What current-carrying capacity can I realistically expect from the RK73Z1FTTBL, and how should I derate it in a thermally constrained multilayer PCB?
While the RK73Z1FTTBL has no rated power, practical current handling is limited by its metal film terminations and trace connectivity—typically up to 1–2 A peak with proper PCB heat sinking. In thermally constrained environments (e.g., inner layers with limited airflow or adjacent heat sources), derate to ≤500 mA continuous to prevent localized heating and solder fatigue. Always connect the RK73Z1FTTBL to wide traces (≥0.25mm) or internal planes to enhance thermal dissipation and avoid hotspots on compact 01005 pads.
How does the thick-film construction of the RK73Z1FTTBL impact reliability in harsh environments with vibration and thermal cycling, and what mitigation strategies should I apply?
The thick-film construction of the RK73Z1FTTBL is generally robust but more brittle than solid metal links, making it susceptible to microcracks under mechanical stress or repeated thermal cycling. In high-vibration applications (e.g., industrial or automotive), reinforce solder joints with epoxy underfill or conformal coating and avoid placement near board edges or flex points. Pair with a compliant substrate or additional mounting fixtures if shock loads exceed 1000g, and perform board-level HALT testing to verify integrity over the product lifecycle.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
RK73Z1FTTBL CAD Models
KOA Speer Electronics, Inc. RK73Z1FTTBL PCB symbols & footprints
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