Choose your country or region.

EnglishFrançaispolskiSlovenija한국의DeutschSvenskaSlovenskáMagyarországItaliaहिंदीрусскийTiếng ViệtSuomiespañolKongeriketPortuguêsภาษาไทยБългарски езикromânescČeštinaGaeilgeעִבְרִיתالعربيةPilipinoDanskMelayuIndonesiaHrvatskaفارسیNederlandTürk diliΕλλάδαRepublika e ShqipërisëአማርኛAzərbaycanEesti VabariikEuskeraБеларусьíslenskaBosnaAfrikaansIsiXhosaisiZuluCambodiaსაქართველოҚазақшаAyitiHausaКыргыз тилиGalegoCatalàCorsaKurdîLatviešuພາສາລາວlietuviųLëtzebuergeschmalaɡasʲМакедонскиMaoriМонголулсবাংলা ভাষারမြန်မာनेपालीپښتوChicheŵaCрпскиSesothoසිංහලKiswahiliТоҷикӣاردوУкраїнаO'zbekગુજરાતીಕನ್ನಡkannaḍaதமிழ் மொழி繁体中文
Home > Products > Resistors > Chip Resistor - Surface Mount > RK73H2HTTE4423F
KOA Speer Electronics, Inc.
2019;;TLR-2010(5025)-1mOhm.jpg ImageView larger image
Image may be representation.
See specs for product details.

RK73H2HTTE4423F

In Stock 458188 pcs Reference Price(In US Dollars)
1000+
$0.0488
Manufacturer Part Number:
RK73H2HTTE4423F
Manufacturer / Brand
KOA Speer Electronics, Inc.
Part of Description:
RES 442K OHM 1% 3/4W 2010
Datasheets:
RK73H2HTTE4423F(1).pdfRK73H2HTTE4423F(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 458188 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

Please complete all required fields with your contact information.Click "SUBMIT REQUEST" we will contact you shortly by email. Or Email us: Info@IC-Components.com
Part Number
Manufacturer
Require Quantity
Target Price(USD)
Company Name
Contact Name
E-mail
Phone
Message
Please enter Verify Code and click "Submit"
Part Number RK73H2HTTE4423F
Manufacturer / Brand KOA Speer Electronics, Inc.
Stock Quantity 458188 pcs Stock
Category Resistors > Chip Resistor - Surface Mount
Description RES 442K OHM 1% 3/4W 2010
Lead Free Status / RoHS Status: ROHS3 Compliant
Tolerance ±1%
Temperature Coefficient ±100ppm/°C
Supplier Device Package 2010
Size / Dimension 0.197" L x 0.098" W (5.00mm x 2.50mm)
Series RK73H
Resistance 442 kOhms
Ratings AEC-Q200
Power (Watts) 0.75W, 3/4W
Package / Case 2010 (5025 Metric)
Package Tape & Reel (TR)
Operating Temperature -55°C ~ 155°C
Number of Terminations 2
Height - Seated (Max) 0.028" (0.70mm)
Features Automotive AEC-Q200, Moisture Resistant
Failure Rate -
Composition Thick Film
Base Product Number RK73H2H

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can I use RK73H2HTTE4423F in a high-voltage resistor divider without worrying about board spacing or overstress?
RK73H2HTTE4423F can be used in high-voltage divider networks only if the applied voltage across the chip stays within the resistor’s voltage and power derating limits for the 2010 package. For divider design, check both the total resistor chain voltage and the voltage coefficient of thick film parts, since very high applied voltage can shift the effective resistance. In compact automotive layouts, maintain adequate creepage and clearance around RK73H2HTTE4423F and consider splitting the resistance into series parts if the divider node sees elevated voltage or pulse stress.
Is RK73H2HTTE4423F suitable for pull-up or pull-down use on logic lines that may see 1.8 V, 3.3 V, or 5 V?
RK73H2HTTE4423F is generally suitable for pull-up or pull-down biasing in mixed-voltage logic systems because 442 kOhms is high enough to minimize static loading. The practical check is not the resistance value alone, but whether the resulting RC time constant meets your signal timing and whether leakage currents from the connected ICs can bias the node unpredictably. For very high-impedance inputs, confirm that PCB contamination, humidity, and input leakage will not shift the logic state.
What should I consider if I want to replace RK73H2HTTE4423F with a different 442 kOhm chip resistor?
When replacing RK73H2HTTE4423F, match more than the resistance value. Compare package size 2010, power rating, tolerance, temperature coefficient, moisture resistance, and automotive qualification. A part such as CRCW2010442KFKEF may be used in similar layouts, but you still need to verify land pattern compatibility, voltage rating, and availability of AEC-Q200: qualification if the end product is automotive or industrial. If the replacement has a different temperature coefficient or thickness profile, recheck calibration accuracy and assembly clearance.
Can RK73H2HTTE4423F be used as a sensing or feedback resistor in precision analog circuitry?
RK73H2HTTE4423F can be used in analog feedback or bias networks where moderate precision is acceptable, but its thick film construction and ±100 ppm/°C temperature coefficient should be considered in error budgeting. For gain-setting networks, the absolute tolerance and drift over temperature will affect accuracy, especially in long-term industrial operation. If the circuit depends on very low drift, a thin-film alternative may reduce temperature-induced gain variation.
How does RK73H2HTTE4423F behave in automotive environments with vibration, humidity, and thermal cycling?
RK73H2HTTE4423F is designed for automotive use and carries AEC-Q200: qualification with moisture-resistant construction, which helps in environments with temperature cycling and humidity exposure. In practice, performance also depends on PCB strain relief, solder joint quality, and placement away from flexing board edges or heavy connectors. For high-vibration assemblies, keep copper balancing and pad geometry consistent to reduce solder stress on the 2010 package.
Is RK73H2HTTE4423F a good choice when I need a high-value resistor with low board space usage?
RK73H2HTTE4423F is often chosen for compact layouts because the 2010 case provides a relatively high resistance in a small footprint. The main trade-off is that high-value thick-film resistors can be more sensitive to surface leakage, board cleanliness, and humidity than lower-value parts. If the node is extremely high impedance, guard rings or conformal coating may be needed to keep leakage from affecting the circuit.
What are the practical differences between RK73H2HTTE4423F and a similar part like ERJ-12SF4423U?
RK73H2HTTE4423F and ERJ-12SF4423U both serve as 442 kOhm chip resistors, but differences in manufacturer process, qualification, temperature coefficient, package thickness, and moisture resistance can affect interchangeability. Before substitution, compare the land pattern dimensions, rated power at your ambient temperature, and any automotive or reliability screening requirements. If the circuit is sensitive to drift or solder-joint reliability, revalidate electrical and mechanical performance after the change.
Can RK73H2HTTE4423F handle continuous power in a warm enclosure, or does it need derating?
RK73H2HTTE4423F should be derated as ambient temperature rises, because the 0.75 W rating is not available across all operating conditions without adjustment. In a warm enclosure, the actual allowable dissipation depends on PCB copper area, airflow, and surrounding component temperature. For steady-state operation, calculate resistor dissipation from the worst-case voltage across the part and compare it against the temperature-derated limit.
Is RK73H2HTTE4423F appropriate for high-impedance analog inputs that are exposed to moisture or contamination?
RK73H2HTTE4423F is more suitable than many general-purpose resistors for humid or contaminated environments because it is moisture resistant, but high-impedance nodes still require careful PCB hygiene. At 442 kOhms, even small leakage paths from flux residue, dust, or condensation can become comparable to circuit bias currents. For this reason, cleaning process control and spacing around the pad area matter as much as the resistor specification.
What should I check before using RK73H2HTTE4423F in a design that must survive long-term industrial operation?
For long-term industrial use, RK73H2HTTE4423F should be evaluated for temperature cycling, humidity, mechanical stress, and drift over time in the actual circuit. The resistor itself is automotive-rated and moisture resistant, but the surrounding PCB process, solder profile, and placement environment still influence field reliability. If the resistor participates in safety, calibration, or protection functions, run life tests under worst-case voltage, temperature, and contamination conditions to confirm stability.

Recent Reviews

Leave Comment
Hello, you have not logged in, please log in
User Login

Forgot password?

No account yet? Register now

Tips
Please speak legally
Your email will be hidden
Please complete all required fields ( denoted with* )
Mark
5.0

You May Also Be Interested In:


RK73H2HTTE4423F

RK73H2HTTE4423F

KOA Speer Electronics, Inc.

RES 442K OHM 1% 3/4W 2010

In Stock: 458188

SUBMIT RFQ