20J4R0E datasheet, PDF - EEWORLD Datasheet

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20J4R0E: Description32-bit Microcontrollers - MCU 512KB Flash 128KB USB ENET; CategoryPassive components The resistor; File Size286KB，2 Pages; ManufacturerOhmite; Websitehttps://www.ohmite.com; Environmental Compliance

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20J4R0E Overview

32-bit Microcontrollers - MCU 512KB Flash 128KB USB ENET

20J4R0E Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	AXIAL LEADED, ROHS COMPLIANT
Reach Compliance Code	compliant
ECCN code	EAR99
structure	All-Welded
JESD-609 code	e1
Lead diameter	0.813 mm
Lead length	38.1 mm
Manufacturer's serial number	20
Installation features	THROUGH HOLE MOUNT
Number of terminals	2
Maximum operating temperature	350 °C
Package diameter	10 mm
Package length	47.2 mm
Package shape	TUBULAR PACKAGE
Package form	Axial
Rated power dissipation(P)	10 W
Rated temperature	25 °C
resistance	4 Ω
Resistor type	FIXED RESISTOR
series	20
surface mount	NO
technology	WIRE WOUND
Temperature Coefficient	50 ppm/°C
Terminal surface	Tin/Silver/Copper (Sn/Ag/Cu)
Terminal shape	WIRE
Tolerance	5%
Operating Voltage	720 V
Base Number Matches	1

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20 Series

Vitreous Enamel Conformal Axial

Terminal Wirewound, 5% Tolerance Std.

The 20 Series axial terminal resistors are both

durable and economical. They have all the electrical

attributes of the more expensive 90 Series resistors,

including all-welded construction.

They offer the durability of a lead free conformal

vitreous enamel coating and are ideal for computer,

communications and industrial applications in which

cost, quality, and reliability are key considerations.

F e at u r e S

• Rugged vitreous enamel coating withstands high

humidity and temperature cycling.

• Durable construction, recommended for industrial

applications where reliability is paramount.

• All-welded construction.

• Flame resistant lead free vitreous enamel coating.

• RoHS compliant; Add “E” suffix to part number to

specify.

S e r i e S S p e C i F i C at i o n S

12.5 watt size available on special order

Series

Wattage

Ohms

1.0-3.0K

0.1-10K

0.1-28K

0.1-25K

0.1-100K

Max. Voltage*

135

330

450

720

*Maximum Voltage is based on Ohm’s Law [V=√(P*R)] as limited by the resis-

tance value of specified product

CharaCteriStiCS

Coating

Conformal lead free vitreous enamel

Core

Ceramic.

Terminals

Solder-coated axial. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu

Derating

Linearly from 100% @ +25°C to 0% @ +350°C

Tolerance

±5% standard; other tolerances available

Power rating

Based on 25°C free air rating (other wattages available)

Overload

Under 7 watts: 5 times rated wattage for 5 seconds; 7 watts and over: 10 times rated wattage for 5 seconds

Temperature coefficient

1 to 9.99 ohms: ±50 ppm/°C; 10 ohms and over: ±30 ppm/°C

DimenSionS

(in./mm max.)

Series Wattage

Length* (max.)

0.421 / 10.7

0.515 / 13.1

1.265 / 32.1

1.859 / 47.2

1.015 / 25.8

Diam.* (max.)

0.156 / 4.0

0.219 / 5.6

0.220 / 5.6

0.276 / 7.0

0.394 / 10.0

Lead ga.

1.5 in. /

38.1mm

*For units below 1Ω, add 15% to body diameter, 10% to body length.

(continued)

1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

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