Name: RWR78S4991FRBSL
Brand: Vishay Dale
SKU: RWR78S4991FRBSL
Availability: InStock
Rating: 5 (82 reviews)

RWR78S4991FRBSL

For Reference Only

Part Number	RWR78S4991FRBSL
Manufacturer	Vishay Dale
Description	RES 4.99K OHM 10W 1% WW AXIAL
Datasheet	RWR78S4991FRBSL Datasheet RWR78S4991FRBSL Specifications
Package	Axial
ECAD
In Stock	3,186 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 17 - May 22 (Choose Expedited Shipping)
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Delivery Services

Part Number # RWR78S4991FRBSL (Through Hole Resistors) is manufactured by Vishay Dale and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For RWR78S4991FRBSL specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RWR78S4991FRBSL with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RWR78S4991FRBSL.

RWR78S4991FRBSL Specifications

Manufacturer	Vishay Dale
Category	Resistors - Through Hole Resistors
Package	Axial
ECAD
Series	Military, MIL-PRF-39007, RWR78S
Resistance	4.99 kOhms
Tolerance	±1%
Power (Watts)	10W
Composition	Wirewound
Features	Military, Moisture Resistant
Temperature Coefficient	±20ppm/°C
Operating Temperature	-55°C ~ 250°C
Package / Case	Axial
Supplier Device Package	Axial
Size / Dimension	0.375" Dia x 1.780" L (9.53mm x 45.21mm)
Height - Seated (Max)	-
Number of Terminations	2
Failure Rate	R (0.01%)

RWR78S4991FRBSL Datasheet

RWR78S4991FRBSL Reviews

Kyl*****Saraf

March 23, 2023

★ ★ ★ ★ ★

I have used 2 of the 10 units so far and they work fine.

Alex*****houn

March 13, 2023

★ ★ ★ ★ ★

Received Quickly. Excellent Communication. Capacitors Look Excellent

Jayle*****pherd

March 6, 2023

★ ★ ★ ★ ★

Your prices are low and your website is customer-use friendly.

Genes*****ndoza

February 25, 2023

★ ★ ★ ★ ★

Good communication and fast shipping! Recommended!

Luis*****dhan

February 23, 2023

★ ★ ★ ★ ★

Good seller, incredible reliable.Item as described. Very professional

Write a Review

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RWR78S4991FRBSL Packaging

RWR78S4991FRBSL FAQ

1. How to order RWR78S4991FRBSL on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that RWR78S4991FRBSL is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RWR78S4991FRBSL. All suppliers must pass our qualification reviews before they can publish their products including RWR78S4991FRBSL on Heisener; we pay more attention to the channels and quality of RWR78S4991FRBSL products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RWR78S4991FRBSL price and inventory displayed accurate?

The price and inventory of RWR78S4991FRBSL fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of RWR78S4991FRBSL?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the RWR78S4991FRBSL we delivered, we will accept the replacement or return of the RWR78S4991FRBSL only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of RWR78S4991FRBSL.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as RWR78S4991FRBSL pin diagram, RWR78S4991FRBSL datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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RWR78S4991FRBSL Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

RWR78S4991FRBSL

D# RWR78S4991FRBSL

Vishay Intertechnologies

RES WW ESS-10 4.99K 1% - Bulk (Alt: RWR78S4991FRBSL)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

RWR78S4991FRBSL

Vishay Dale

RES WW ESS-10 4.99K 1% - Bulk

Part Number

Manufacturer

Description

Stock

RWR78S4991FRBSL

D# RWR78S4991FRBSL-ND

Vishay Dale

RES 4.99K OHM 10W 1% WW AXIAL

Part Number

Manufacturer

Description

Stock

RWR78S4991FRBSL

D# NS-RWR78S4991FRBSL

Vishay Dale

OEM/CM ONLY

3628

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RWR78S4991FRBSL

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