Name: RXEF050
Brand: Littelfuse Inc.
SKU: RXEF050
Availability: InStock
Rating: 5 (144 reviews)

RXEF050

For Reference Only

Part Number	RXEF050
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 0.5A
Datasheet	RXEF050 Datasheet RXEF050 Specifications
Package	Radial, Disc
ECAD
In Stock	12,540 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 30 - Jun 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RXEF050 (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 RXEF050 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RXEF050 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RXEF050.

RXEF050 Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Radial, Disc
ECAD
Series	PolySwitch?, RXEF
Type	Polymeric
Voltage - Max	72V
Current - Max	40A
Current - Hold (Ih) (Max)	500mA
Current - Trip (It)	1A
Time to Trip	4s
Resistance - Initial (Ri) (Min)	500 mOhms
Resistance - Post Trip (R1) (Max)	1.17 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.311" Dia x 0.120" W (7.90mm x 3.00mm)
Height - Seated (Max)	0.539" (13.70mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RXEF050 Datasheet

RXEF050 Reviews

Zayd*****lish

April 6, 2023

★ ★ ★ ★ ★

Worked very well! I would highly recommend buying.

Karina*****padhyay

March 17, 2023

★ ★ ★ ★ ★

Arrived safely. All OK. Thanks

Rhe*****Bates

March 3, 2023

★ ★ ★ ★ ★

Every little component you can always find in here, and good suggestion for relative times too.

Musta*****nters

February 24, 2023

★ ★ ★ ★ ★

Order arrived to Estonia in 3 days. Item as described. Well packed.

Kin*****evan

February 21, 2023

★ ★ ★ ★ ★

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

RXEF050 Packaging

RXEF050 FAQ

1. How to order RXEF050 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 RXEF050 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RXEF050. All suppliers must pass our qualification reviews before they can publish their products including RXEF050 on Heisener; we pay more attention to the channels and quality of RXEF050 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RXEF050 price and inventory displayed accurate?

The price and inventory of RXEF050 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 RXEF050?

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 RXEF050 we delivered, we will accept the replacement or return of the RXEF050 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 RXEF050.

(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 RXEF050 pin diagram, RXEF050 datasheet?

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

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RXEF050 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
RXEF050-AP D# V36:1790_11453279	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 3mm Ammo RoHS: Compliant	0
RXEF050 D# E02:0323_01983715	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 3mm Bag RoHS: Compliant	0
RXEF050S D# V79:2366_19023988	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72V 40A 0.77(Nom)W 4s 0.5Ohm Radial 7.9 X 3mm Bag RoHS: Compliant	0
RXEF050-1 D# V36:1790_14547793	TE Connectivity	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72V 40A 0.77(Nom)W 4s 0.5Ohm Radial 7.9 X 3mm Loose RoHS: Compliant	0
RXEF050-2 D# V36:1790_07449203	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 3mm T/R RoHS: Compliant	0
RXEF050S-AP D# V36:1790_18209756	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72V 40A 0.77W 0.5Ohm Radial Ammo RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

RXEF050S

D# RXEF050S

TE Connectivity

PTC Resettable Fuse 40A 72V T/R - Bag (Alt: RXEF050S)

RoHS: Compliant

RXEF050-1

D# RXEF050-1

TE Connectivity

PTC Resettable Fuse 40A 72V Bulk (Alt: RXEF050-1)

Part Number

Manufacturer

Description

Stock

RXEF050

RCP

STOCK

195

Part Number

Manufacturer

Description

Stock

RS90-050(CROSS: RXEF050 )

OptiFuse

5000

Part Number	Manufacturer	Description	Stock
RXEF050S-AP	TE Connectivity	RXEF050S-AP - Ammo Pack	0
RXEF050-1	TE Connectivity	Lead time 49	1893
RXEF050S	TE Connectivity	Lead time 63	22000
RXEF050-2	TE Connectivity	Min Qty 3000	0
RXEF050	TE Connectivity	Min Qty 500	32000
RXEF050S-0.236	TE Connectivity	POLYSWITCH PTC RESET .5A STRAIGH	0
RXEF050-AP	TE Connectivity	Lead time 63	2000

Part Number

Manufacturer

Description

Stock

RXEF050

D# C1S616500008048

Littelfuse Inc

PTC Resettable Fuse 40A 72V Bulk

RoHS: Compliant

Min Qty: 5

Container: Bulk

558

Part Number

Manufacturer

Description

Stock

RXEF050

Littelfuse Inc

Polymeric 72V 1A 4s 1.17ohms Through Hole PTC Resettable Fuses RoHS

Part Number	Manufacturer	Description	Stock
RXEF050S	Littelfuse Inc	RoHS (ship within 1day) - D/C 2020	1000
RXEF050	Littelfuse Inc	ship within 1day - D/C	1333
RXEF050-2	TE Connectivity	RoHS (ship within 1day) - D/C 2008	2

Part Number	Manufacturer	Description	Stock
RXEF050 D# RXEF050HF-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	23601
RXEF050S-AP D# RXEF050S-APHFTB-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	0
RXEF050S-0.236 D# RXEF050S-0.236-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	0
RXEF050-2 D# RXEF050-2HFCT-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	31586
RXEF050-AP D# RXEF050-APHFCT-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	1941
RXEF050S D# 1294-RXEF050S-CHP	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	1500
RXEF050-1 D# RXEF050-1-ND	Littelfuse Inc	PTC RESET FUSE 72V 500MA RADIAL	0

Part Number

Manufacturer

Description

Stock

RXEF050

In stock shipping within 2days

33673

Part Number	Manufacturer	Description	Stock
RXEF050. D# 2668025	Littelfuse Inc	FUSE, PTC RESET, 72V, 500mA, RADIAL RoHS: Compliant Min Qty: 1 Container: Each	6419
RXEF050-2 D# 3103206	Littelfuse Inc	PPTC RESETTABLE FUSE, 0.5A, 72V, RADIAL RoHS: Compliant Min Qty: 1 Container: Cut Tape	538
RXEF050 D# 1175864	Littelfuse Inc	POLYSWITCH, 0.5A, 72V, RADIAL RoHS: Compliant Min Qty: 1 Container: Each	8425

Part Number	Manufacturer	Description	Stock
RXEF050-2	Littelfuse Inc	RXEF Series 72 V 0.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes	42000
RXEF050-AP	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX RoHS: Compliant pbFree: Yes	0
RXEF050S	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax RoHS: Compliant pbFree: Yes	0
RXEF050-1	Littelfuse Inc	RoHS: Compliant pbFree: Yes	0
RXEF050	Littelfuse Inc	RoHS: Compliant pbFree: Yes	19861
RXEF050S-AP	Littelfuse Inc	Resettable Fuses - PPTC .5A 72V 40A Imax RoHS: Compliant pbFree: Yes	0

Part Number

Manufacturer

Description

Stock

RXEF050S

TE Connectivity

OEM/CM ONLY

8879

Part Number

Manufacturer

Description

Stock

RXEF050

D# C76399

Littelfuse Inc

Part Number

Manufacturer

Description

Stock

RXEF050

TE Connectivity

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

RXEF050-2

TE Connectivity

OEM/CM Immediate delivery

3000

RXEF050

TE Connectivity

OEM/CM Immediate delivery

33148

Part Number	Manufacturer	Description	Stock
RXEF050-AP D# 650-RXEF050-AP	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX RoHS: Compliant	2745
RXEF050S D# 650-RXEF050S	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax RoHS: Compliant	160
RXEF050-1 D# 650-RXEF050-1	Littelfuse Inc	Resettable Fuses - PPTC .5A 72V 40A Imax RoHS: Compliant	536
RXEF050-2 D# 650-RXEF050-2	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax RoHS: Compliant	3218
RXEF050S-AP D# 650-RXEF050S-AP	Littelfuse Inc	Resettable Fuses - PPTC .5A 72V 40A Imax RoHS: Compliant	168
RXEF050 D# 650-RXEF050	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax RoHS: Compliant	4017

Part Number

Manufacturer

Description

Stock

RXEF050-2

D# XSFP00000198367

Littelfuse Inc

RXEF Series 72 V 0.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse

34928

RXEF050

D# XSFP00000198366

Littelfuse Inc

RXEF Series 72 V 0.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse

73630

Part Number	Manufacturer	Description	Stock
RXEF050-AP D# 40K8553	Littelfuse Inc	FUSE, PTC RESET, 72V, 500mA, RADIAL, Product Range:PolySwitch RXEF Series, Voltage Rating:72VDC, Holding Current:500mA, Tripping Current:1A, Time to Trip:4s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.8mm, Length:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 10000 Container: Bulk	0
RXEF050 D# 04H8118	Littelfuse Inc	FUSE, PTC RESET, 72V, 500mA, RADIAL, Product Range:PolySwitch RXEF Series, Voltage Rating:72VDC, Holding Current:500mA, Tripping Current:1A, Time to Trip:4s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.8mm, Length:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	6419
RXEF050-2 D# 04H8119	Littelfuse Inc	FUSE, PTC RESET, 72V, 500mA, RADIAL, FULL REEL, Product Range:PolySwitch RXEF Series, Voltage Rating:72VDC, Holding Current:500mA, Tripping Current:1A, Time to Trip:4s, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.8mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 15000 Container: TAPE & REEL - FULL	0

Part Number	Manufacturer	Description	Stock
RXEF050S-AP D# NS-RXEF050S-AP	TE Connectivity	OEM/CM ONLY	3306
RXEF050S D# NS-RXEF050S	TE Connectivity	OEM/CM ONLY	9586
RXEF050S-0.236 D# NS-RXEF050S-0.236	TE Connectivity	OEM/CM ONLY	5798
RXEF050-AP D# NS-RXEF050-AP	TE Connectivity	OEM/CM ONLY	4679

Part Number	Manufacturer	Description	Stock
RXEF050S	Littelfuse Inc		800
RXEF050	TE Connectivity	RESISTOR, TEMPERATURE DEPENDENT, PTC, 1.17 ohm, THROUGH HOLE MOUNT	103
RXEF050-2	TE Connectivity		1

Part Number

Manufacturer

Description

Stock

RXEF050

D# RXEF050

TE Connectivity

Inventory M

1350

Part Number

Manufacturer

Description

Stock

RXEF050

D# 5176635P

Littelfuse Inc

Littelfuse 0.5A Hold current, Radial Resettable Wire Ended Fuses, 72V, BG

Min Qty: 10

Container: Bag

9026

Part Number	Manufacturer	Description	Stock
RHEF050RXEF050RHEF050RXEF050RHEF050RXEF050		OEM/CM ONLY	99
RXEF0501	TE Connectivity	OEM/CM ONLY	946
RXEF0502	TE Connectivity	OEM/CM ONLY	11915
RXEF050	TE Connectivity	OEM/CM ONLY	14990
RXEF050S	TE Connectivity	OEM/CM ONLY	1016
RXEF050RHEF050		OEM/CM ONLY	695
RXEF050AP	TE Connectivity	OEM/CM ONLY	1116
RXEF050L	Littelfuse Inc	OEM/CM ONLY	3011

Part Number

Manufacturer

Description

Stock

RXEF050-2

TE Connectivity

IN stock Immediate delivery

3015

RXEF050

TE Connectivity

IN stock Immediate delivery

33133

Part Number	Manufacturer	Description	Stock
RXEF050-1	Littelfuse Inc	Resettable Fuses - PPTC .5A 72V 40A Imax pbFree: Pb-Free	0
RXEF050	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax pbFree: Pb-Free	0
RF2567-000	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RXEF050-AP	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RXEF050-2	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax pbFree: Pb-Free	0
RF2614-000	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RF2676-000	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RF2630-000	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RF2669-000	Littelfuse Inc	Resettable Fuses - PPTC 72V .5A-HD 40A MAX pbFree: Pb-Free	0
RXEF050S	Littelfuse Inc	Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax pbFree: Pb-Free	0

Part Number

Manufacturer

Description

Stock

RXEF050

Littelfuse Inc

shipping today

2396

RXEF050-2

TE Connectivity

shipping today

2996

Part Number	Manufacturer	Description	Stock
RXEF050 D# 53714277	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 3mm Bag RoHS: Compliant	0
RXEF050-1 D# 16918056	TE Connectivity	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72V 40A 0.77(Nom)W 4s 0.5Ohm Radial 7.9 X 3mm Loose RoHS: Compliant	0
RXEF050S D# 26123592	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72V 40A 0.77(Nom)W 4s 0.5Ohm Radial 7.9 X 3mm Bag RoHS: Compliant	0
RXEF050-2 D# 53810529	Littelfuse Inc	PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 3mm T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

RXEF050

mfr

RFQ

12805

Part Number

Manufacturer

Description

Stock

RXEF050

TE Connectivity

PolySwitch? Resettable Device Short Form Catalog

60000

Part Number	Manufacturer	Description	Stock
RXEF050. D# 2668025	Littelfuse Inc	FUSE, PTC RESET, 72V, 500mA, RADIAL RoHS: Compliant Min Qty: 1 Container: Each	6469
RXEF050-2 D# 3103206	Littelfuse Inc	PPTC RESETTABLE FUSE, 0.5A, 72V, RADIAL RoHS: Compliant Min Qty: 1 Container: Cut Tape	538
RXEF050 D# 1175864	Littelfuse Inc	POLYSWITCH, 0.5A, 72V, RADIAL RoHS: Compliant Min Qty: 1 Container: Each	4568

Quick Inquiry

RXEF050

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