4021 The Harwin P19-4021 is a contact probe with a 1.90mm diameter and a 3A current rating. It features a serrated head for secure contact.
Mfr Part #:

4021

Available from 1 distributors
Mfr Name: Keystone Electronics
Keystone Electronics
The Harwin P19-4021 is a contact probe with a 1.90mm diameter and a 3A current rating. It features a serrated head for secure contact.
✓ Total Stock: 12,528 pcs
$ Price Range: $0.99

4021 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
12,528 pcs
12528 pcs On Request 1 On Request On Request On Request On Request On Request

4021 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Contact Material
Current Rating
Diameter
Failure Rate
Length
Resistance
Tip Style
Type

4021 Description

Short technical summary and product information.

The Harwin P19-4021 is a high-quality contact probe designed for various test and measurement applications. This probe features a 1.90mm diameter and a robust serrated head, ensuring reliable contact. It is rated for a current of 3A and has a travel of 2.54mm, making it suitable for demanding environments.

 

The probe is constructed with a beryllium copper contact material and a stainless steel spring, providing durability and consistent performance. The P19-4021 comes in a standard package quantity of 500 units.

 

This component belongs to the P19 series and is categorized under Contact Probes, specifically within the Test Probes subcategory. Its specifications make it a versatile choice for engineers and procurement specialists seeking reliable contact solutions.

4021 Quick Information

Product Type: Contact Probe
Series: P19
Canonical Name: Harwin P19-4021 Contact Probe
Subcategory: Test Probes

4021 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

4021 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

4021 Features

  • 1.90mm diameter spring probe.
  • Serrated head for secure contact.
  • Rated for 3A current.
  • 2.54mm travel distance.
  • Beryllium copper and stainless steel construction.

4021 Applications

  • Ideal for test equipment accessories.
  • Suitable for electronic testing applications.
  • Used in circuit protection.
  • Component for electromechanical systems.

4021 FAQs

7 frequently asked questions generated from this part’s specifications.
What series does the Keystone 4021 belong to?

P19.

What is the tip style of the 4021?

Serrated.

What are the mechanical dimensions of the 4021?

Length is 13 mm, diameter is 1.90 mm, and spring travel is 2.54 mm.

What is the current rating of the 4021?

3 A.

What is the contact resistance of the 4021?

30 mΩ.

What materials are used in the 4021?

Contact is beryllium copper; spring is stainless steel.

What is the standard package quantity?

500 pieces.

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