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70-21

Coilcraft

70-21 by Coilcraft

Coilcraft's 70-21 fixed inductor has a nominal inductance of 4.7uH and can handle a max current of 0.31A. With a min quality factor of 45, it is ideal for filter choke applications at temperatures ranging from -40 to 105°C. The inductor features an axial package style with printed wiring pin terminals, making it suitable for general purpose use.

Median Price

$20.790

Lifecycle Status

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DigiKey

USA . 27 parts In-Stock

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$20.790

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$14.720

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Freelance Electronics

USA . 1 parts In-Stock

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$6.821

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TEDSS.com

USA . 53 parts In-Stock

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$12.990

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$9.990

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$12.990

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Nova Conductors

Japan . 122 parts In-Stock

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$127.750

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Q Components

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Prism Electronics

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Vyrian

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Speed Components Ltd

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AZTECH Wire

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Neutron USA

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Continental Prestige Electronics

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$127.132

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$124.590

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Argo Parts USA

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Netroflash

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$121.362

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$118.808

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Overview

Elevate your electronics with the exceptional quality of the 70-21 by Coilcraft. As a leading manufacturer in fixed inductors, Coilcraft delivers top-notch performance and reliability. Perfect for filter choke applications, this general-purpose inductor offers a nominal inductance of 4.7 uH and a maximum operating temperature of 105°C. With a compact tubular package design and printed wiring pin terminals, the 70-21 provides superior efficiency and durability. Trust Coilcraft to provide you with high-quality components that enhance the functionality of your devices.

Feature Benefit Bullets

Lead Diameter: 0.511 mm

Small lead diameter allows for compact and space-saving design.

Terminal Placement: AXIAL

Axial terminal placement makes it easy to integrate into PCB designs.

Test Frequency: 7.9 MHz

Optimized for high-frequency applications.

Construction: Encapsulated

Encapsulated construction provides protection and durability.

Packing Method: Ammo Pack; Bulk; TR

Various packing methods for convenience and flexibility in ordering.

Inductor Application: FILTER CHOKE

Specifically designed for filter choke applications.

Shape or Size Description: TUBULAR PACKAGE

Tubular package design for easy installation and maintenance.

Nominal Inductance (L): 4.7 uH

Optimal inductance value for a wide range of applications.

Maximum Operating Temperature: 105 °C

High maximum operating temperature for reliability in various environments.

Maximum Rated Current: 0.31 A

Sufficient rated current for most circuits and applications.

Minimum Quality Factor (at L-nom): 45

High minimum quality factor ensures good performance and efficiency.

Minimum Operating Temperature: -40 °C

Wide range of operating temperatures suitable for different conditions.

Inductor Type: GENERAL PURPOSE INDUCTOR

Versatile general-purpose inductor for a variety of uses.

DC Resistance: 1.2 ohm

Low DC resistance for efficient power transfer.

Lead Length: 25.4 mm

Sufficient lead length for easy soldering and connections.

Tolerance: 10 %

Tight tolerance for accurate and consistent performance.

Package Length: 7.11 mm

Compact package length for tight spaces.

Series: 70

Part of a reputable and established series of components.

Package Diameter: 2.667 mm

Small package diameter for space-saving designs.

Technical Specifications

Fixed Inductors 70-21 attributes and parameters. Explore more Fixed Inductors devices from Coilcraft

Inductor Specifications

Inductor Type:

Inductor Application:

Nominal Inductance:

4.7 μH

Maximum Rated Current:

310 mA

Minimum Quality Factor (at L-nom):

45

DC Resistance:

1.2 Ω

Tolerance:

10 %

No. of Functions:

1

Test Frequency:

7.9 MHz

Series:

70

Physical Characteristics

Package Shape:

Tubular Package

Lead Diameter:

0.02 in (0.511 mm)

Lead Length:

1 in (25.4 mm)

Shielded:

No

Construction:

Encapsulated

Surface Mounted:

No

Thermal Characteristics

Minimum Operating Temperature:

-40 °C (-40 °F)

Maximum Operating Temperature:

105 °C (221 °F)

Terminal Characteristics

Terminal Position:

Axial

Terminal Shape:

Printed Wiring Pin

No. of Terminals:

2

Packaging & Delivery

Package Style:

Package Length:

0.28 in (7.11 mm)

Package Diameter:

0.105 in (2.667 mm)

Packing Method:

Ammo Pack; Bulk; Tape and Reel

Trade Compliance

70-21 Inductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8504.50.80.00

SB

8504.50.00.00

Manufacturer Highlights

Coilcraft

Headquartered in Cary, IL, Coilcraft has been a leader in the design, manufacture and distribution of high-performance magnetic components including RF chip inductors, power magnetics and filters since 1945. In addition to the industry’s largest selection of standard, off-the-shelf components, we also design and build custom magnetics to meet your precise requirements

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