Name: RKEF050
Brand: Littelfuse Inc.
SKU: RKEF050
Availability: InStock
Rating: 5 (125 reviews)

RKEF050

For Reference Only

Part Number	RKEF050
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 0.50A T/H
Datasheet	RKEF050 Datasheet RKEF050 Specifications
Package	Radial, Disc
ECAD
In Stock	8,676 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RKEF050 (PTC Resettable Fuses) is manufactured by Littelfuse Inc. 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 RKEF050 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RKEF050 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RKEF050.

RKEF050 Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	PolySwitch?, RKEF
Type	Polymeric
Voltage - Max	60V
Current - Max	40A
Current - Hold (Ih) (Max)	500mA
Current - Trip (It)	1A
Time to Trip	800ms
Resistance - Initial (Ri) (Min)	320 mOhms
Resistance - Post Trip (R1) (Max)	900 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.280" L x 0.140" W (7.10mm x 3.56mm)
Height - Seated (Max)	0.450" (11.43mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RKEF050 Datasheet

RKEF050 Reviews

Arel*****nerjee

April 1, 2023

★ ★ ★ ★ ★

Great capacitors. very fast post very good communication.

Lil*****Jain

March 28, 2023

★ ★ ★ ★ ★

Excellent shopping cart process, various of products for selection and order fulfillment a good service quality. I rely on them heavily.

Briar*****erson

March 18, 2023

★ ★ ★ ★ ★

Nice to have an assortment on hand, just in case. Happy with this purchase.

Rayd*****ason

March 8, 2023

★ ★ ★ ★ ★

The prices are very competitive, I've had a few transactions lately and all were smooth as glass. I'm a very satisfied customer!

Hadl***** Giles

March 7, 2023

★ ★ ★ ★ ★

Always the correct parts in the correct amounts are received. Fantastic Quality Control and Great Selection. Heisener has became to be one of my best suppliers for many years now.

Kamar*****ndler

March 5, 2023

★ ★ ★ ★ ★

Wow super fast delivery, product as described good company!

Kars*****aria

February 25, 2023

★ ★ ★ ★ ★

I bought this for myself, and liked it so much. I also bought one for a friend.

Jaz***** Hall

February 21, 2023

★ ★ ★ ★ ★

Fast shipping, items are exactly as promised. Reliable company to work with.

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RKEF050 Packaging

RKEF050 FAQ

1. How to order RKEF050 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 RKEF050 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RKEF050. All suppliers must pass our qualification reviews before they can publish their products including RKEF050 on Heisener; we pay more attention to the channels and quality of RKEF050 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RKEF050 price and inventory displayed accurate?

The price and inventory of RKEF050 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 RKEF050?

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 RKEF050 we delivered, we will accept the replacement or return of the RKEF050 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 RKEF050.

(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 RKEF050 pin diagram, RKEF050 datasheet?

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

RKEF050 Related Products

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RKEF050 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

RKEF050

D# V36:1790_24162819

TE Connectivity

PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 1(Nom)W 0.8s 0.32Ohm Radial 7.1 X 3.56 X 11.43mm Bag

RoHS: Compliant

RKEF050-AP

D# V36:1790_18209994

Littelfuse Inc

POLYSWITCH RESETTABLE DEVICES RADIAL-LEADED DEVICES

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RKEF050

D# RKEF050

TE Connectivity

PTC Resettable Fuse 40A 60V Bulk - Bag (Alt: RKEF050)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RS60SB-050(CROSS: RKEF050)

OptiFuse

6000

Part Number

Manufacturer

Description

Stock

RKEF050-AP

TE Connectivity

POLYSWITCH PTC RESET 0.50A

RKEF050

TE Connectivity

PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 1(Nom)W 0.8s 0.32Ohm Radial 7.1 X 3.56 X 11.43mm Bulk

Part Number

Manufacturer

Description

Stock

RKEF050

D# C1S425201055635

Littelfuse Inc

PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 1(Nom)W 0.8s 0.32Ohm Radial 7.1 X 3.56 X 11.43mm Bag

RoHS: Compliant

pbFree: Yes

Min Qty: 5

Container: Bulk

Part Number

Manufacturer

Description

Stock

RKEF050

Littelfuse Inc

RoHS (ship within 1day) - D/C 2019

424

Part Number

Manufacturer

Description

Stock

RKEF050-AP

D# RKEF050-APHFCT-ND

Littelfuse Inc

PTC RESET FUSE 60V 500MA RADIAL

RKEF050

D# RKEF050HF-ND

Littelfuse Inc

PTC RESET FUSE 60V 500MA RADIAL

211

Part Number

Manufacturer

Description

Stock

RKEF050-AP

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

RKEF050

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

6345

Part Number

Manufacturer

Description

Stock

RKEF050

TE Connectivity

OEM/CM Immediate delivery

88000

Part Number

Manufacturer

Description

Stock

RKEF050

D# 650-RKEF050

Littelfuse Inc

Resettable Fuses - PPTC 60V 40A 1.00W Radial-leaded Device

RoHS: Compliant

287

RKEF050-AP

D# 650-RKEF050-AP

Littelfuse Inc

Resettable Fuses - PPTC 60V 40A Ammo Pack Radial-leaded Device

RoHS: Compliant

317

Part Number

Manufacturer

Description

Stock

RKEF050

D# XSFP00000198294

Littelfuse Inc

RKEF Series 60 V 0.5 A Radial Lead Through Hole PTC Resettable Fuse

3426

Part Number

Manufacturer

Description

Stock

RKEF050

D# NS-RKEF050

TE Connectivity

OEM/CM ONLY

9987

Part Number

Manufacturer

Description

Stock

RKEF050

Littelfuse Inc

339

Part Number

Manufacturer

Description

Stock

RKEF050

D# 7127486

Littelfuse Inc

Littelfuse 0.5A Hold current, Radial Leaded PCB Mount Resettable Fuse, 60V, PK

Min Qty: 10

Container: Package

8550

Part Number

Manufacturer

Description

Stock

RKEF050

TE Connectivity

OEM/CM ONLY

988

Part Number

Manufacturer

Description

Stock

RKEF050

TE Connectivity

IN stock Immediate delivery

87985

Part Number

Manufacturer

Description

Stock

RKEF050

TE Connectivity

shipping today

87696

Part Number

Manufacturer

Description

Stock

RKEF050

D# 52916523

Littelfuse Inc

PTC Resettable Fuse 0.5A(hold) 1A(trip) 60V 40A 1(Nom)W 0.8s 0.32Ohm Radial 7.1 X 3.56 X 11.43mm Bag

RoHS: Compliant

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RKEF050

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