product guide
Type HWT Metal Film Resistor
Small Size vs Wattage
Almost 3 times higher working temperature than standard metal film. Operating temperature -60ºC to +250ºC

Fire proof coating.

Wide resistance range.
Dimensions
Part
No.
W
@ 70ºC
W
@ 200ºC
Dia
Max
Length
Max
Lead
Dia.
Lead
Length
D L d±.0.05 L±2
HWT25 1 0.25 2.8 8.2 0.65 25
HWT50 2 0.5 4.2 10.5 0.85 25
HWT1 3 1 6.6 13.0 0.85 30
HWT2 6 2 8.6 18.5 0.85 30

Specifications
Part
No.
Resistance
Range
Tol
± (%)
TCR Working
Voltage Max
HWT25 50~1M 5 (J)
10 (K)
±200 250
HWT50 50~3M 350
HWT1 100~10M 500
HWT2 100~10M 750

Environmental Performance
Test
(Test Methods per MIL-STD-202)
Max.R
Thermal Shock 1.0%
Short Time Overload 0.5%
Low Temp. Operation 0.5%
Moisture Resistance 1.5%
Resistance to Soldering 0.5%
Shock 0.5%
Vibration 0.5%
Terminal Strength 0.5%
Dielectric Withstanding Voltage 0.5%
Life 2.0%

How To Order
Example: 1/4W 10K 5%
HWT.25
Model
103
Resistance
I
First two digits are
significant figures.
Last digit specifies the
number of zeros to follow
J
Tolerance

TO ORDER PRODUCT
E mail: microohm@mail.com
Call Toll Free: 1-800-845-5167
home page product guide PM
hot molded
PL
low ohm
MF
conformal coated