FRN Datasheet, PDF (1/1 Pages) MERITEK ELECTRONICS CORPORATION – Flame-Proof Fusible Resistors

Flame-Proof Fusible Resistors
FRN Series
Superior quality fusible resistors, which are flameproof during
operation
These resistors fuse in less than 30 seconds at 16 times rated power
PART NUMBERING SYSTEMS
FRN
1W - 103 J
TR
Meritek Series
Power Rating
CODE
½W 1WS 1W 2WS 2W
0.5W 1W 1W 2W 2W
Resistance
First 2 digits are significant
3^rd digit is multiplier
“R” indicates decimal value below 10 ohm
Tolerance
Code
J
Tolerance (%)
±5
TR: Tape & Reel
B: Bulk
DIMENSIONS
DERATING CURVE
MERITEK
STYLE
Normal
Miniature
FRN1/4W
FRN1/2W
FRN1W
FRN2W
FRN1/2WS
FRN1WS
FRN2WS
FRN3WS
DIMENSIONS (mm)
L
D
d
6.3^±0.5
9.0^±0.5
11.5 ^±1.0
15.5 ^±1.0
2.3^±0.3
3.2^±0.5
4.5^±0.5
5.0^±0.5
0.55^±0.03
0.65^±0.03
0.78^±0.03
0.78^±0.03
LIMITING ELEMENT VOLTAGE
Normal
Miniature
200V
250V
300V
350V
250V
300V
350V
400V
RESISTANCE RANGE
4R7 ~1K
1 ~1K
1 ~1K
1 ~1K
ELECTRICAL CHARACTERISTICS
Temperature Coefficient
Short time overload
Insulation resistance
Load life
Terminal Strength
Solder ability
Dielectric withstanding voltage
Operating temperature range
Tolerance
Selection series
Working voltage
±_350ppm
±_{(2%+0.05 )}
1000M
±_{(5%+0.05 )}
Tensile: 2.5kg
95% min overage
500V
-40^oC to +155^oC
±_5%
E-24
P * R at 70^oC
Specifications are subject to change without notice.
FUSING CHARACTERISTICS
rev.6a