Name: RKEF185
Brand: Littelfuse Inc.
SKU: RKEF185
Availability: InStock
Rating: 5 (85 reviews)

RKEF185

For Reference Only

Part Number	RKEF185
Manufacturer	Littelfuse Inc.
Description	POLYSWITCH PTC RESET 1.85A T/H
Datasheet	RKEF185 Datasheet RKEF185 Specifications
Package	Radial, Disc
ECAD
In Stock	118,398 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # RKEF185 (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 RKEF185 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add RKEF185 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of RKEF185.

RKEF185 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)	1.85A
Current - Trip (It)	3.7A
Time to Trip	12.6s
Resistance - Initial (Ri) (Min)	60 mOhms
Resistance - Post Trip (R1) (Max)	250 mOhms
Resistance - 25°C (Typ)	-
Operating Temperature	-40°C ~ 85°C
Ratings	-
Mounting Type	Through Hole
Package / Case	Radial, Disc
Size / Dimension	0.512" L x 0.150" W (13.00mm x 3.81mm)
Height - Seated (Max)	0.740" (18.80mm)
Thickness (Max)	-
Lead Spacing	0.200" (5.08mm)

RKEF185 Datasheet

RKEF185 Reviews

Gunn*****ierce

April 4, 2023

★ ★ ★ ★ ★

All current moves in switching devices with the proper selection of amp rating capability. I chose these to do a job that had to handle only 1/3 of it's rated capacity. So they were the perfect choice. To date they work as expected; perfectly.

Moha*****Baker

April 2, 2023

★ ★ ★ ★ ★

Good quality, buy back and then use, with the newly bought hard disk, very stable, at any time you can check things, not occupy space, very convenient.

Chris*****Weiss

March 28, 2023

★ ★ ★ ★ ★

Arrived as described and well packaged. Sent very quickly after payment.

Melo*****tanton

March 22, 2023

★ ★ ★ ★ ★

Great dealing with you Guys. Thanks for a very prompt delivery.

Ara*****la Vu

March 4, 2023

★ ★ ★ ★ ★

It's so nice to have all these babies. I was using so many for projects, I decided to buy these. They'll definitely last me a while!

Write a Review

★★★★★

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Thanks for Your Review!

RKEF185 Packaging

RKEF185 FAQ

1. How to order RKEF185 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 RKEF185 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the RKEF185. All suppliers must pass our qualification reviews before they can publish their products including RKEF185 on Heisener; we pay more attention to the channels and quality of RKEF185 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the RKEF185 price and inventory displayed accurate?

The price and inventory of RKEF185 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 RKEF185?

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 RKEF185 we delivered, we will accept the replacement or return of the RKEF185 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 RKEF185.

(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 RKEF185 pin diagram, RKEF185 datasheet?

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

RKEF185 Related Products

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RCS060368K1FKEA	Vishay Dale, RES SMD 68.1K OHM 1% 1/4W 0603, 0603 (1608 Metric), PolySwitch?, RKEF	View
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10114508-00J-70B	Amphenol FCI, XCEDE 2W 6PVH 4COL, -, PolySwitch?, RKEF	View
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XC9141E40DMR-G	Torex Semiconductor Ltd, 0.8A SYNCHRONOUS STEP-UP DC/DC C, -, PolySwitch?, RKEF	View

RKEF185 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

RKEF185

D# E02:0323_03101978

Littelfuse Inc

PTC Resettable Fuse 1.85A(hold) 3.7A(trip) 60VDC 40A 2.6W 0.06Ohm Radial 13 X 3.81 X 18.8mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RKEF185

D# RKEF185

TE Connectivity

PTC Resettable Fuse 40A 60V Bulk - Bag (Alt: RKEF185)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RS60SB-185(CROSS: RKEF185)

OptiFuse

6000

Part Number

Manufacturer

Description

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RKEF185

TE Connectivity

CIRCUIT PROTECTION RKEF185

Part Number

Manufacturer

Description

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RKEF185

D# C1S425201069610

Littelfuse Inc

PTC Resettable Fuse 1.85A(hold) 3.7A(trip) 60V 40A 2.6(Nom)W 12.6s 0.06Ohm Radial 13 X 3.81 X 18.8mm Bag

RoHS: Compliant

pbFree: Yes

Min Qty: 5

Container: Bulk

430

Part Number

Manufacturer

Description

Stock

RF3371-000

Littelfuse Inc

Polymeric 60V 3.7A 12.6s 250mohms Through Hole PTC Resettable Fuses RoHS

214

Part Number

Manufacturer

Description

Stock

RKEF185

D# RKEF185HF-ND

Littelfuse Inc

PTC RESET FUSE 60V 1.85A RADIAL

4008

Part Number

Manufacturer

Description

Stock

RKEF185

D# 2786678

Littelfuse Inc

FUSE, RESETTABLE PTC, 60VDC, 1.85A, THD

RoHS: Compliant

Min Qty: 1

Container: Each

563

Part Number

Manufacturer

Description

Stock

RKEF185B

Littelfuse Inc

PTC RESET FUSE 60V 1.85A RADIAL - kinked leads

RoHS: Compliant

pbFree: Yes

RKEF185

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

RF3371-000

D# C142910

Littelfuse Inc

214

Part Number

Manufacturer

Description

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RKEF185

TE Connectivity

OEM/CM Immediate delivery

88000

Part Number

Manufacturer

Description

Stock

RKEF185

D# 650-RKEF185

Littelfuse Inc

Resettable Fuses - PPTC 60V 40A 2.60W Radial-leaded Device

RoHS: Compliant

172

Part Number

Manufacturer

Description

Stock

RKEF185

D# 45P8091

Littelfuse Inc

FUSE, RESETTABLE PTC, 60VDC, 1.85A, THD, Product Range:PolySwitch RKEF Series, Voltage Rating:60VDC, Holding Current:1.85A, Tripping Current:3.7A, Time to Trip:12.6s, Fuse Shape:Rectangular, Current Rating Max:40A, Diameter:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

990

Part Number

Manufacturer

Description

Stock

RKEF185

D# NS-RKEF185

TE Connectivity

OEM/CM ONLY

9053

Part Number

Manufacturer

Description

Stock

RKEF185

TE Connectivity

Part Number

Manufacturer

Description

Stock

RKEF185 RF3371000

TE/

OEM/CM ONLY

2022

RKEF185

TE Connectivity

OEM/CM ONLY

3583

Part Number

Manufacturer

Description

Stock

RKEF185

TE Connectivity

IN stock Immediate delivery

87985

Part Number

Manufacturer

Description

Stock

RF3371-000

Littelfuse Inc

Resettable Fuses - PPTC 60V 1.85A-HD 40A

pbFree: Pb-Free

RKEF185

Littelfuse Inc

Resettable Fuses - PPTC 60V 40A 2.60W Radial-leaded Device

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

RKEF185

TE Connectivity

shipping today

87696

Part Number

Manufacturer

Description

Stock

RKEF185

D# 16507043

TE Connectivity

PTC Resettable Fuse 1.85A(hold) 3.7A(trip) 60VDC 40A 2.6W 0.06Ohm Radial 13 X 3.81 X 18.8mm Bag

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

RKEF185

D# 2786678

Littelfuse Inc

FUSE, RESETTABLE PTC, 60VDC, 1.85A, THD

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

RKEF185

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