Name: LR4-900F
Brand: Littelfuse Inc.
SKU: LR4-900F
Availability: InStock
Rating: 5 (73 reviews)

LR4-900F

For Reference Only

Part Number	LR4-900F
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 9A STRAP
Datasheet	LR4-900F Datasheet LR4-900F Specifications
Package	Strap
ECAD
In Stock	57,384 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 # LR4-900F (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 LR4-900F specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LR4-900F with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LR4-900F.

LR4-900F Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - PTC Resettable Fuses
Package	Strap
ECAD
Series	PolySwitch?, LR4
Type	Polymeric
Voltage - Max	20V
Current - Max	100A
Current - Hold (Ih) (Max)	9A
Current - Trip (It)	16.7A
Time to Trip	5s
Resistance - Initial (Ri) (Min)	6 mOhms
Resistance - Post Trip (R1) (Max)	14 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	User Defined
Package / Case	Strap
Size / Dimension	1.831" L x 0.323" W (46.50mm x 8.20mm)
Height - Seated (Max)	-
Thickness (Max)	0.039" (1.00mm)
Lead Spacing	-

LR4-900F Datasheet

LR4-900F Reviews

Gra*****Flynn

March 31, 2023

★ ★ ★ ★ ★

Great communication. A pleasure to do business with.

Jime*****urora

March 31, 2023

★ ★ ★ ★ ★

Super easy to replace and labelled terminals made it a quick replacement.

Enri*****Sood

March 15, 2023

★ ★ ★ ★ ★

Diodes okay. Shipped quick and received with well - packed

Saul*****derson

March 10, 2023

★ ★ ★ ★ ★

Comparison with other company, Heisener is my first choice for supplier.

Bjor*****evins

March 8, 2023

★ ★ ★ ★ ★

I enjoy Good service from Heisener team , I can get good quality components what I want in heisener.com.

Trin*****Chahal

March 5, 2023

★ ★ ★ ★ ★

These did exactly what I needed them to do. Electricity only flows in one direction. Perfect.

Thatch*****ramanian

March 1, 2023

★ ★ ★ ★ ★

Worked perfectly for my application. Worked like a charm!

Rosa*****ters

February 22, 2023

★ ★ ★ ★ ★

It fit exactly in the same location as the original. Works great and no problem. Good purchase.

Mela*****Sangha

February 21, 2023

★ ★ ★ ★ ★

Serves its purpose. All that's needed.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

LR4-900F Packaging

LR4-900F FAQ

1. How to order LR4-900F 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 LR4-900F is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LR4-900F. All suppliers must pass our qualification reviews before they can publish their products including LR4-900F on Heisener; we pay more attention to the channels and quality of LR4-900F products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LR4-900F price and inventory displayed accurate?

The price and inventory of LR4-900F 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 LR4-900F?

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 LR4-900F we delivered, we will accept the replacement or return of the LR4-900F 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 LR4-900F.

(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 LR4-900F pin diagram, LR4-900F datasheet?

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

LR4-900F Related Products

SIT2024BM-S1-XXX-000.FP0000G	SiTime, PROG OSC BLANK 1MHZ-110MHZ, SC-74A, SOT-753, PolySwitch?, LR4	View
T491A106M004AT	KEMET, CAP TANT 10UF 4V 20% 1206, 1206 (3216 Metric), PolySwitch?, LR4	View
1210Y1000123KDT	Knowles Syfer, CAP CER 0.012UF 100V X7R 1210, 1210 (3225 Metric), PolySwitch?, LR4	View
0805Y1008P20CAR	Knowles Syfer, CAP CER 0805, -, PolySwitch?, LR4	View
MP120D3	Crydom Co., RELAY SSR AC OUT 3A 120VAC SIP, 4-SIP, PolySwitch?, LR4	View
RWR84S2491FRB12	Vishay Dale, RES 2.49K OHM 7W 1% WW AXIAL, Axial, PolySwitch?, LR4	View
AF1210FR-072K43L	Yageo, RES SMD 2.43K OHM 1% 1/2W 1210, 1210 (3225 Metric), PolySwitch?, LR4	View
TZ082103B000G	Amphenol Anytek, 350 TB RIS CLA 180D SMT, -, PolySwitch?, LR4	View
FW-10-05-L-D-283-130-A	Samtec Inc., .050'' BOARD SPACERS, -, PolySwitch?, LR4	View
C48-06R12Y12S7-402	Cinch Connectivity Solutions, CONN PLUG FMALE 12POS GOLD CRIMP, -, PolySwitch?, LR4	View
VS1-A2-A4-00-490-CE	Artesyn Embedded Technologies, VS CONFIGURABLE POWER SUPPLY, -, PolySwitch?, LR4	View
W25Q32BVZPJP TR	Winbond Electronics, IC FLASH MEMORY 32MB, -, PolySwitch?, LR4	View

LR4-900F 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

LR4-900F

D# V79:2366_21780316

Littelfuse Inc

PTC Resettable Fuse 9A(hold) 16.7A(trip) 20VDC 100A 3.8W 5s 0.006Ohm SMD Solder Pad 47.6 X 8.5 X 1.3mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LR4-900F

TE Connectivity

POLYSWITCH PTC RESET 9A STRAP

10398

Part Number

Manufacturer

Description

Stock

LR4-900F

D# LR4-900F-ND

Littelfuse Inc

PTC RESET FUSE 20V 9A STRAP

4937

Part Number

Manufacturer

Description

Stock

LR4-900F

D# 1345911

Littelfuse Inc

POLYSWITCH, STRAP, 9A

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

6210

Part Number

Manufacturer

Description

Stock

LR4-900F

D# 650-LR4-900F

Littelfuse Inc

Resettable Fuses - PPTC 9A 20V 100A Imax

RoHS: Compliant

9985

Part Number

Manufacturer

Description

Stock

LR4900F

TE Connectivity

OEM/CM ONLY

416

LR4900F RF1534000

TE/

OEM/CM ONLY

266

Part Number

Manufacturer

Description

Stock

RF1534-000

Littelfuse Inc

Resettable Fuses - PPTC 20V 13A-HD 100A MAX

pbFree: Pb-Free

LR4-900F

Littelfuse Inc

Resettable Fuses - PPTC 9A 20V 100A Imax

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

LR4-900F

D# 31081655

Littelfuse Inc

PTC Resettable Fuse 9A(hold) 16.7A(trip) 20VDC 100A 3.8W 5s 0.006Ohm SMD Solder Pad 47.6 X 8.5 X 1.3mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LR4-900F

D# 1345911RL

Littelfuse Inc

POLYSWITCH, STRAP, 9A

RoHS: Compliant

Min Qty: 5

Container: Reel

Quick Inquiry

LR4-900F

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