HOME   INTRO   HISTORY   PRODUCTS   NEWS

ECONOMICAL
WIRE WOUND, METAL CLAD RESISTORS

Download
PDF File

The IRS30, IRS50 are slim and flat economical resistors. These models are ideal for applications where space
and funds are at a premium. The most common applications for these models are motor drives, braking
and snubber applications and power sources for industrial equipment.

SPECIFICATIONS

MODEL

Wattage Rating
On Heat Sink [W]

Resistance
Range [
ohms]

Dimensions

Weight
[g]

L1+-1

L2+-1

IRS 30

30

1 - 420

65

57

65

IRS 50

50

1-500

90

78

50

Available Tolerances:  +-0.5(D), +-1.0(F), +-2.0(G), +-10(K)

DIMENSIONS

CHARACTERISTICS

Temperature Range

                                                                                                                                                      -55-200C

Insulation Resistance

                                                                                                                                  20Mohm Minimum

Dielectric Strength

                                              Available Options:  AC1500V, 2500V; Max. Leakage Current:  2mA

Temp. Coefficient

                                                                                                                           +-260ppm/C Maximum

Short Time Overload

+-[2%+0.05ohms]                                                                                      5 X Power Rating, 5sec.

Thermal Shock

+-[2%+0.05ohms]                                                                    Power Rating 30min., -25C 15min.

Load Life

+-[5%+0.05ohms]                                                  Power Rating 1.5hrs. on, 30min. off, 500hrs.

SURFACE TEMPERATURE INCREASE VS POWER LOAD

DERATING CURVE


1/  On chassis, 30W, 50W (heatsink size 200X200X3mm)
2/  Free Air, 30W
3/  Free Air, 50W

ORDERING PROCEDURE EXAMPLE

Copyright©, RARA Electronics Corporation
Tel:82-32-817-4325 Fax:82-32-817-4329

Rara electronics Sitemap Rara electronics main contents
Home
Intro
History
News
Email
Wirewound
Power Film
SMD
RF
Current Sensing
Precision
High Voltage
NGR, Load Bank, Motor Control
Inductors
Circuit Protection

Wire Wound Resistors


High Power Shunt Resistors


Current Sensing resistors


Metal Clad Resistors


Loadbanks


High Power Resistors


High Voltage Resistors


High Precision Resistors


Precision Power Resistors


Thick Film Resistors


Precision Thin Film Resistors


Rara Eletronics

rotary potentiometers


variable resistor potentiometer


rotary potentiometer manufacturers


rotary potentiometer switch


single turn potentiometer


control potentiometer


carbon potentiometers


ceramic composition resistors


ceramic composition resistor


ceramic power resistors


resistor ceramic


rotary dip switches

dip switch settings


3 position dip switch


dip switch manufacturer


dip swich


mini rotary switch


high power shunt resistors


loadbanks