">
Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Name*
Company*
Email Address*
Phone/WhatsApp
Part Number*
Quantity*
Message
Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Name*
Company*
Email Address*
Phone/WhatsApp
Upload My List
Message

Littelfuse Inc. 30ST420U

Part No.:
30ST420U
Manufacturer:
Littelfuse Inc.
Category:
PTC Resettable Fuses
Package:
Strap
Datasheet:
Aetrix30ST420U.pdf
Description:
PTC RESET FUSE 30V 4.2A STRAP
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:6,811

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Part Number
Quantity*
Price
Name*
Company*
Email*
Comments

30ST420U Specifications

Product attributes
Attribute value
Manufacturer:
Littelfuse Inc.
Package/Case:
Strap
Series:
POLY-FUSE®, ST
Packaging:
Bulk
Product Status:
Obsolete
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:
-

30ST420U FAQ

1.How can I place an order for 30ST420U through Aetrix?

1.Please submit a Request for Quotation (RFQ) for 30ST420U on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 30ST420U reliable?

The price and inventory of 30ST420U are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 30ST420U is usually 5 days.

3.What payment methods are accepted for 30ST420U?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 30ST420U transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 30ST420U?

30ST420U orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 30ST420U order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 30ST420U?

5.For technical support, including 30ST420U datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 30ST420U requirements.

6.How does Aetrix verify that 30ST420U is sourced from the original manufacturer or authorized distributors?

6.All 30ST420U products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 30ST420U meets industry standards.

7.What is the process for return or replacement of 30ST420U?

All 30ST420U units undergo pre-shipment inspection (PSI). If there is an issue with 30ST420U, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 30ST420U part is unused and in its original packaging.

Return procedure for 30ST420U:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

30ST420U Tags

  • 30ST420U
  • 30ST420U PDF
  • 30ST420U Datasheet
  • 30ST420U Specifications
  • 30ST420U Images
  • Littelfuse Inc.
  • Littelfuse Inc. 30ST420U
  • Buy 30ST420U
  • 30ST420U Price
  • 30ST420U Distributor
  • 30ST420U Supplier
  • 30ST420U Wholesale
Related Products
PTS120660V010
PTS120660V010

Eaton - Electronics Division

MF-MSMF014-2
MF-MSMF014-2

Bourns Inc.

MF-NSMF012-2
MF-NSMF012-2

Bourns Inc.

MF-MSMF020-2
MF-MSMF020-2

Bourns Inc.

PTS120660V005
PTS120660V005

Eaton - Electronics Division

0ZCJ0016FF2E
0ZCJ0016FF2E

Bel Fuse Inc.

0ZCJ0020FF2E
0ZCJ0020FF2E

Bel Fuse Inc.

0ZCH0010FF2E
0ZCH0010FF2E

Bel Fuse Inc.

0ZCG0020AF2C
0ZCG0020AF2C

Bel Fuse Inc.

0ZCJ0005FF2E
0ZCJ0005FF2E

Bel Fuse Inc.

0ZCJ0012FF2E
0ZCJ0012FF2E

Bel Fuse Inc.

0ZCJ0010FF2E
0ZCJ0010FF2E

Bel Fuse Inc.

Tech Hub

Search

Search

PRODUCT

PRODUCT

PHONE

PHONE

USER

USER