product guide
FRW/FRZ
Conformal Coated Flame Proof Wirewound and Metal Film Fusing Resistors
Economical
Low resistance value
5% resistance tolerance
Color band marking
Technical Specifications
Dimensions
Type
Dimensions (mm)
L max
D max
C ±1.0
d ±0..5
FRW-0.25W
7.0
2.5
25
0.6
FRW-0.5W
10.5
2.9
0.8
FRW-1W
14.0
3.9
FRW-2W
17.0
6.6
FRZ-1W
10.5
2.9
FRZ-2W
14.0
3.9
Fusing Characteristics
Multiplying rate
of Rated Power
Resistance range ()
< 2
2~10
> 10
Fusing Time (max. sec.)
12 - 60 30
16 60 30 15
25 30 15 7.5
Resistor Color Code Reader
Specifications
Type
Power
Rating
70
°C
TCR (10°/°C) Max Open-circuit
Voltage
(V)
Insulation Voltage
(DC or AC Peak) (V)
Resistance
Range
Resistor Element
Temperature Range
FRW-0.25W 0.25W ±350
200
250
0.22~1K
Metal Film
-25°C/+125°C
FRW-0.5W 0.5W
250
FRW-1W 1W
350
350
FRW-2W 2W
FRZ-1W 1W ±250
250
250
0.1~100
Wirewound
-25°C/+125°C
FRZ-2W 2W
350
350
Characteristics
Test Item Specifications Test Method
IEC115-1
Rapid change of temperature
R ±(1%R+0.05)
4.19
Short time overload
R ±(1%R+0.05)
4.13
Resistance to solder heat
R ±(1%R+0.05)
4.18
Vibrations
R ±(1%R+0.05)
4.22
Climate Sequence
R ±(5%R+0.05)
4.23
Endurance at 70°C
R ±(5%R+0.05)
4.25.1
Damp heat, steady State
R ±(5%R+0.05)
4.24
Flameproof
R ±(5%R+0.05)
4.26
ORDERING INFORMATION
Example: 1W 10ohm 5%
FRW-1W
10R0
J
Type
Resistance
Tolerance
4 digit. <100 use R for decimal. >100 4th digit is multiplier
J = 5%
TO ORDER PRODUCTS
E mail: microohm@vividnet.com
Call Toll Free: 1-800-845-5167