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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to RKEF050.

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: Technical Documents
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Littelfuse Inc. RFQ AVAILABLE

RKEF050

PTC RESET FUSE 60V 500MA RADIAL

Part Number: RKEF050

Manufacturer: Littelfuse Inc.

Category: PTC Resettable Fuses

Package: Radial, Disc

Datasheet:: RKEF050.pdf

Description: PTC RESET FUSE 60V 500MA RADIAL

Select Quantity Stock: 2,667

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Qty.	Unit Price	Ext. Price
1+	$0.27500	$0.28
5+	$0.22900	$1.14
10+	$0.21150	$2.12
50+	$0.17560	$8.78
100+	$0.16205	$16.20
250+	$0.14568	$36.42
500+	$0.13437	$67.18
1000+	$0.12390	$123.90
5000+	$0.10246	$512.30

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TECHNICAL RESOURCES

RKEF050 Technical Information

Specifications
FAQ
Hot Sale
Packaging
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Specifications

Product Attribute: Attribute Value

Part Number: RKEF050

Manufacturer: Littelfuse Inc.

Package: Radial, Disc

Package/Case: Radial, Disc

Series: PolySwitch®, RKEF

Packaging: Bag

Product Status: Active

Type: Polymeric

Voltage - Max: 60V

Current - Hold (Ih) (Max): 500 mA

Current - Trip (It): 1 A

Current - Max: 40 A

Time to Trip: 800 ms

Resistance - Initial (Ri) (Min): 320 mOhms

Resistance - Post Trip (R1) (Max): 900 mOhms

Resistance - 25°C (Typ): -

Operating Temperature: -40°C ~ 85°C

Grade: -

Qualification: -

Ratings: -

Mounting Type: Through Hole

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)

Frequently Asked Questions

1. How can I order RKEF050 from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of RKEF050?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of RKEF050 updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for RKEF050?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for RKEF050?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

RKEF050 Procurement and Technical Support

RKEF050 is manufactured by Littelfuse Inc.. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing RKEF050 and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for RKEF050.

Part Number: RKEF050

Manufacturer: Littelfuse Inc.

Package: Radial, Disc

Category: PTC Resettable Fuses

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Payment Method

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Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

Shipping Fee

Calculated according to destination and parcel weight

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