Name: RXEF040-AP
Brand: Littelfuse Inc.
SKU: RXEF040-AP
Availability: InStock
Rating: 5 (109 reviews)

RXEF040-AP

For Reference Only

Part Number	RXEF040-AP
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 0.4A AMMO
Datasheet	RXEF040-AP Datasheet RXEF040-AP Specifications
Package	Radial, Disc
ECAD
In Stock	7,794 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 22 - May 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RXEF040-AP (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 RXEF040-AP specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RXEF040-AP with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RXEF040-AP.

RXEF040-AP 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)	400mA
Current - Trip (It)	800mA
Time to Trip	3.8s
Resistance - Initial (Ri) (Min)	550 mOhms
Resistance - Post Trip (R1) (Max)	1.29 Ohms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.299" Dia x 0.118" W (7.60mm x 3.00mm)
Height - Seated (Max)	0.532" (13.50mm)
Thickness (Max)	-
Lead Spacing	0.199" (5.05mm)

RXEF040-AP Datasheet

RXEF040-AP Reviews

Kat*****ath

April 8, 2023

★ ★ ★ ★ ★

Resonators were genuine Murata components and arrived in 3 days from Hongkong

Saman*****anesh

April 5, 2023

★ ★ ★ ★ ★

The specs range is wide for a selection and the customer service is great.

Solo*****Hurley

April 1, 2023

★ ★ ★ ★ ★

I like doing business with Heisener. Get all the items I want. The website is well organized, intuitive, works correctly and pages load quickly. Well done!

Alfon*****rshall

March 28, 2023

★ ★ ★ ★ ★

I am very happy with how Heisener do business. Will definitely buy their products in the future as I have confidence in their customer service.

Rei*****Mays

March 19, 2023

★ ★ ★ ★ ★

They work great and I hope to find more used for the extra ones.

Mari*****Mishra

March 16, 2023

★ ★ ★ ★ ★

Didn’t need so many but it was cheap. I did have to solder extra wire on each end to make fit better but exactly you need of your looking for this particular mod.

Darr*****Kant

March 7, 2023

★ ★ ★ ★ ★

Can't speak to the long term reliability as of yet, but they seem to be of decent quality and I don't expect any issues.

Mikay*****rayanan

February 22, 2023

★ ★ ★ ★ ★

This was a useful assortment of product that filled in a parts gap that I had on my electronic workbench. Thank you.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

RXEF040-AP Packaging

RXEF040-AP FAQ

1. How to order RXEF040-AP 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 RXEF040-AP is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RXEF040-AP. All suppliers must pass our qualification reviews before they can publish their products including RXEF040-AP on Heisener; we pay more attention to the channels and quality of RXEF040-AP products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RXEF040-AP price and inventory displayed accurate?

The price and inventory of RXEF040-AP 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 RXEF040-AP?

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 RXEF040-AP we delivered, we will accept the replacement or return of the RXEF040-AP 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 RXEF040-AP.

(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 RXEF040-AP pin diagram, RXEF040-AP datasheet?

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

RXEF040-AP Related Products

1210J0100121FCT	Knowles Syfer, CAP CER 120PF 10V C0G/NP0 1210, 1210 (3225 Metric), PolySwitch?, RXEF	View
GRM1555C1E7R9CA01D	Murata, CAP CER 7.9PF 25V NP0 0402, 0402 (1005 Metric), PolySwitch?, RXEF	View
L6728ATR	STMicroelectronics, IC REG CTRLR BUCK 10-VFQFPN, 10-VFDFN Exposed Pad, PolySwitch?, RXEF	View
W25X40BVSSIG	Winbond Electronics, IC FLASH 4MBIT 104MHZ 8SOIC, 8-SOIC (0.209", 5.30mm Width), PolySwitch?, RXEF	View
DSPIC30F6012A-20E/PT	Microchip Technology, IC MCU 16BIT 144KB FLASH 64TQFP, 64-TQFP, PolySwitch?, RXEF	View
PEC09-2120K-T0012	Bourns Inc., ENCODER, -, PolySwitch?, RXEF	View
RN55C3323BRSL	Vishay Dale, RES 332K OHM 1/8W .1% AXIAL, Axial, PolySwitch?, RXEF	View
650FPR002E	Ohmite, RES 0.002 OHM 5W 1% RADIAL, Radial, PolySwitch?, RXEF	View
RT1206WRB072K87L	Yageo, RES SMD 2.87KOHM 0.05% 1/4W 1206, 1206 (3216 Metric), PolySwitch?, RXEF	View
L717SDDG50PC309	Amphenol Commercial Products, CONN D-SUB PLUG 50P STR SLDR CUP, -, PolySwitch?, RXEF	View
MS3476W8-33SLC	Amphenol Aerospace Operations, CONN PLUG HSG FMALE 3POS INLINE, -, PolySwitch?, RXEF	View
V320MTC	ON Semiconductor, IC TXRX USB 24TSSOP, 24-TSSOP (0.173", 4.40mm Width), PolySwitch?, RXEF	View

RXEF040-AP 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

RXEF040-AP

TE Connectivity

RXEF040-AP - Ammo Pack

Part Number

Manufacturer

Description

Stock

RXEF040-AP

D# RXEF040-APCT-ND

Littelfuse Inc

PTC RESET FUSE 72V 400MA RADIAL

1446

Part Number

Manufacturer

Description

Stock

RXEF040-AP

Littelfuse Inc

RXEF Series 72 V 40 A Radial Lead PolySwitch PTC Resettable Fuse

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

RXEF040-AP

D# 650-RXEF040-AP

Littelfuse Inc

Resettable Fuses - PPTC

RoHS: Compliant

3564

Part Number

Manufacturer

Description

Stock

RXEF040-AP

D# NS-RXEF040-AP

TE Connectivity

OEM/CM ONLY

7468

Part Number

Manufacturer

Description

Stock

RXEF040AP

TE Connectivity

OEM/CM ONLY

2095

Quick Inquiry

RXEF040-AP

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS