Precision Resistor
(Conformally Coated)
TCR, Resistance Range, Tolerance, Rated Power
FLC
Type
TCR (ppm/°C)
-25°C to +125°C
0±5 (X)
0±2.5 (Y)
0±5 (X)
0±2.5 (Y)
0±5 (X)
0±2.5 (Y)
Resistance
Range ( )
10 to 30
30 to 100
100 to 100k
FLB
FLB
10 to 30
30 to 100
100 to 150k
10 to 30
30 to 100
100 to 200k
Resistance
Tolerance (%)*
±0.5 (D) ±1.0 (F)
±0.1 (B) ±0.5 (D)
±0.05 (A) ±0.1 (B)
±0.5 (D) ±1.0 (F)
±0.1 (B) ±0.5 (D)
±0.05 (A) ±0.1 (B)
±0.5 (D) ±1.0 (F)
±0.1 (B) ±0.5 (D)
±0.05 (A) ±0.1 (B)
0.25
0.25
0.125
Rated Power (W)
at 70°C
FLA
FLA
FLC
Composition of Type Number
Symbols parenthesized are for type number composition.
*Resistance figures are the values obtained by measuring at the point 2.5±1.0mm below the shoulder of leads.
FLA X 500R00 B
eulaV ecnatsiseR
ecnareloT
epyT
RCT
Type
L
W
T
F
t
a
b
c
FLA
5.6±0.5
6.2±0.5
2.54±0.25
FLB
8.2±0.5
2.2±0.5
FLC
7.5±0.5
6.2±0.5
5.08±0.25
5±1
0.3±0.05
1.0±0.05
0.65±0.05
0.4±0.05
Dimensions in mm
18
)C¡( 061 041
551
erutarepmeT tneibmA
021 001 08
06
07
Configuration
04
02
06
04
Resistance value, in ohm, is expressed by a series of six characters, five of
which represent significant digits. The sixth R or K is a dual-purpose letter that
designates both the value range (R for ohmic;K for kilo-ohm)and the location of
decimal point.
001
)%(
08
02
W
:elpmaxE
Power Derating Curve
egatnecreP rewoP detaR
t
T
F
L
b
a
c
Performance
Parameters
Maximum Rated Operating Temperature
Working Temperature Range
Maximum Working Voltage
Temperature Cycling
Overload
Solderability
Resistance to Solvents
Low Temperature Storage
Terminal Strength
Dielectric Withstanding Voltage
Insulation Resistance
Resistance to Soldering Heat
Moisture Resistance
Shock
Vibration
Life (Rated Load)
Life (Moisture Load)
Storage Life
High Temperature Exposure
Current Noise
Pressure Cooker Test
-25°C/30 min., Room Temperature/5 min., +155°C/30 min., 5 cycles
Rated Voltage x 2.5, 5 sec.
235°C, 2 sec.
1 lsopropyl Alcohol 2 Trichloroethylene
-25°C, No Load, 2 hrs.
0.908kg (2 pounds), 10 sec.
Atmospheric: AC 300V, 1 min.
DC 100V, 1 min.
350°C, 3 sec.
+65°C to -10°C, 90% RH to 98% RH, Rated Voltage, 10 cycles (240 hrs.)
50G, 11ms, Half-Sine Wave, X, Y, Z, each 3 shocks
20G, 10Hz to 55Hz to 10Hz, 1 min., X, Y, Z, each 2 hrs.
70°C, Rated Power, 1.5 hr. – ON, 0.5 hr. – OFF, 1,000 hrs.
40°C, 90% RH to 95% RH, Rated Power, 1.5 hr. – ON, 0.5 hr. – OFF, 1,000 hrs.
15°C to 35°C, 15% RH to 75% RH, No Load, 10,000 hrs.
155°C, No Load, 1,000 hrs.
121°C, 100% RH, 2 atmospheric, No Load, 100 hrs.
Test Condition
ALPHA Specification
ALPHA Typical Test Data
70°C
-25°C to +155°C
FLA=250V, FLB, FLC=300V
±0.05%
±0.05%
over 75% coverage
no damage
±0.05%
±0.05%
±0.03%
over 10,000M
±0.03%
±0.1%
±0.03%
±0.03%
±0.1%
±0.05%
±0.02%
±0.05 %
-25dB
±0.5 %
±0.01%
±0.0025%
over 75% coverage
no damage
±0.0025%
±0.0025%
±0.0025%
over 10,000M
±0.0025%
±0.015%
±0.005%
±0.005%
±0.01%
±0.01%
±0.005%
±0.01%
-42dB
±0.1%
Frequency Characteristics
Temperature of Resistor Surface
fo ecafruS CLF ,BLF
)Wm(
yxopE detaoC
007
Wm C 41 0
Wm C 31 0
006
fo ecafruS ALF
yxopE detaoC
/
¡
. =
/
¡
. =
rewoP deilppA
005
R
R
004
fo ecafruS CLF ,BLF
CLF ,BLF
tnemelE evitsiseR
tnemelE evitsiseR
003
fo ecafruS ALF
002
001
ALF
)C (
07
06
05
04
03
02
01
¡ T
esiR erutarepme
)zHM(
001
01
k
1
k
01
k
04
001
05
ycneuqerF
01
5
BLF
1
)%(
051
001
05
)CD(R/)CA(R
T
19
