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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to SRP420F.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Technical Documents
Datasheet and specification confirmation for engineers.

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Multi-part procurement and shortage sourcing assistance.

Littelfuse Inc. RFQ AVAILABLE

SRP420F

PTC RESET FUSE 30V 4.2A STRAP

Part Number: SRP420F

Manufacturer: Littelfuse Inc.

Category: PTC Resettable Fuses

Package: Strap

Datasheet:: SRP420F.pdf

Description: PTC RESET FUSE 30V 4.2A STRAP

Select Quantity Stock: 9,427

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TECHNICAL RESOURCES

SRP420F Technical Information

Specifications
FAQ
Hot Sale
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Specifications

Product Attribute: Attribute Value

Part Number: SRP420F

Manufacturer: Littelfuse Inc.

Package: Strap

Package/Case: Strap

Series: PolySwitch®, SRP

Packaging: Bulk

Product Status: Active

Type: Polymeric

Voltage - Max: 30V

Current - Hold (Ih) (Max): 4.2 A

Current - Trip (It): 7.6 A

Current - Max: 100 A

Time to Trip: 6 s

Resistance - Initial (Ri) (Min): 12 mOhms

Resistance - Post Trip (R1) (Max): 40 mOhms

Resistance - 25°C (Typ): -

Operating Temperature: -40°C ~ 85°C

Grade: -

Qualification: -

Ratings: -

Mounting Type: User Defined

Size / Dimension: 1.240" L x 0.522" W (31.50mm x 13.25mm)

Height - Seated (Max): -

Thickness (Max): 0.043" (1.10mm)

Lead Spacing: -

Frequently Asked Questions

1. How can I order SRP420F 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 SRP420F?

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

3. Are the stock and price of SRP420F 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 SRP420F?

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 SRP420F?

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

Hot Sale Part Numbers

TL072IDR OPA350PA OPA350UA CLVC16T245MDGGREP EPCS16SI16N LMR16030PDDAR TPS563201DDCT TL072CP-NG TPSB476K006S0500 LTM4658IY#PBF LTC2996HDD#TRPBF DF400R07W2S5FB77BPSA1 SMA3EZ220D5-TP LT1575CN8-5#PBF CAP200DG-TL LM358DR ISOUSB211DPR LTC6957IDD-4 LTC6957IDD-4#PBF TPS563201DDCR ACC10DRSZ-S664 UC3833J MC908AB32CFUER LM358D TPS74401KTWTG3 LT6105CDCB#TRMPBF CLVC16373AMDLREP OPA2277TDD2 LTC2484IDD#PBF LMR16030SDDAR

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.

SRP420F Procurement and Technical Support

SRP420F 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 SRP420F 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 SRP420F.

Part Number: SRP420F

Manufacturer: Littelfuse Inc.

Package: Strap

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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