FR Fusible Resistors
Features: |
| 1. |
Function as a resistor in normal condition. |
| 2. |
Quick fusing protects circuit from excessive overload. |
............................................................................................ |
| P-Type DIMENSION |
FR |
1/2W |
P |
J |
10Ω
|
a |
b |
c |
d |
e |
|
a |
Product code number |
b |
rated
power |
c |
specification |
d |
resistance
value |
e |
tolerance
(J: ±5% , K:±10%) |
|
|
|
|
............................................................................................ |
|
 |
|
| DIMENSION |
| |
POWER RATING |
DIMENSION (mm) |
Resistance range
|
L |
D |
H |
d±0.05 |
1/4w1/2ws |
6.5±0.5 |
2.3±0.3 |
27±0.2 |
0.50 |
0.22Ω
~4.7kΩ
|
1/2w1ws |
9.0±0.5 |
3.2±0.5 |
27±0.2 |
0.60 |
0.22Ω
~4.7kΩ
|
1w
2ws |
11.0±1.0 |
4.0±0.5 |
35±0.2 |
0.75 |
0.22Ω
~4.7kΩ
|
2w
3ws |
15±1.0 |
5.0±0.5 |
33±0.2 |
0.75 |
0.22Ω
~4.7kΩ
|
|
|
........................................................................................................................................................................ |
| |
| CHARACTERISTICS |
| |
ITEM |
SPECIFICATIONS |
TEST
METHODS |
Load life under high temperature |
±5% |
Rated voltage at 70℃ for 1000 hours
70℃ 10000hr
|
Load under high humidity |
±5% |
Rated voltage at 40℃,95%RH for 1000 hours
40℃,95%RH for 10000hr
|
Temperature
coefficient of resistance |
±350ppm/℃ |
Room temperature +100℃
+100℃ |
Short
time overload |
±2% |
4 time the rated power
for 5 seconds |
Temperature
cycling |
±1% |
5 cycles for -55℃~+155℃
5次 -55℃~+155℃ |
Immersion
in solder |
±1% |
350℃
for 3.5 seconds 350℃
for 3.5sec |
Fusing characteristics
|
MODEL |
FR 1/4W |
FR 1/2WS
FR 1/2W
|
FR 1W
FR 2WS
|
FR 1/2W
FR 1/2W
FR 1W
FR 2W
|
Resistance |
0.22~15Ω
|
0.22~2Ω
|
0.22~2Ω
>2Ω
| |
Fusing
Power |
25 Time 25 |
25 Time 25 |
25 Time 25 |
15 Time 15 |
Fusing
Time |
<=60sec |
<=60sec |
<=30sec |
<=30sec |
Residual resistance
>=100 time nominal resistance |
|
| |
........................................................................................................................................................................ |
| |
| POWER
|
| |
| POWER |
FUSING
TIME
|
Maximum
|
16x
Wattage
|
1Min
|
20
|
40Sec.
|
24
|
30Sec.
|
28
|
20Sec.
|
32
|
15Sec.
|
|
| |
........................................................................................................................................................................ |
| |
| CIRCUIT
DIAGRAMS |
|
|
|
 |
 |
 |
10P8R--<R
Type> |
10P8R--<S
Type> |
10P9R--<E
Type> |
|
| |
| DIMENSION |
| |
TYPE |
L |
W |
H |
e1 |
e2 |
P |
Q |
10P8R |
3.2±0.2 |
1.6±0.15 |
0.55±0.1 |
0.4±0.15 |
0.3±0.15 |
0.64±0.15 |
0.35±0.05 |
|
| |
| CHARACTERISTICS |
| |
| SIZE |
POWER
Rating |
Max Working voltage |
Max overload voltage |
T.C.R[p.p.M/℃] |
Resistance Range |
Jumper Rated Current |
Operating
Temperature Range |
J[±5%] E-24 |
| 10P8R |
1/16W |
25V |
50V |
±200 |
33Ω-100KΩ |
0.5A |
-55℃~125℃ |
|
| |
