FLA, FLB, FLC Series
Precision Resistor (Conformally Coated)
FLC
TCR, RESISTANCE RANGE, TOLERANCE,
RATED POWER
Type
TCR
(ppm/°C)
–25°C to
+125°C*
0±5 (X)
0±2.5 (Y)
Resistance
Range
(Ω)
10 to 30
30 to 100
100 to 100k
10 to 30
30 to 100
100 to 150k
10 to 30
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)
±0.02 (Q) ±0.05 (A)
±0.1 (B) ±0.5 (D)
±0.01 (T) ±0.02 (Q)
±0.05 (A) ±0.1 (B)
0.25
0.25
0.125
Rated
Power
(W)
at 70°C
FLB
FLA
FLB
0±5 (X)
0±2.5 (Y)
FLA
COMPOSITION OF TYPE NUMBER
FLC
0±5 (X)
0±2.5 (Y)
30 to 100
100 to 200k
FLA X 500R00 B
* Symbols parenthesized are for type number composition.
† Resistance figures are the values obtained by measuring at the point
2.5±1.0 mm below the shoulder of leads.
POWER DERATING CURVE
Resistance value, in ohm, is expressed by a series of six
characters, five of which represent significant digits. 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.
CONFIGURATION
(DIMENSIONS IN mm)
Type
L
W
T
F
ℓ
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
www.alpha-elec.co.jp
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For any questions, contact
sales-alpha@alpha-elec.co.jp
Document No.: 67003
Revision: 25-Apr-2016
FLA, FLB, FLC Series
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
Test Condition
ALPHA
Specification
ALPHA Typical
Test Data
70°C
–25°C to +155°C
FLA=250V, FLB/FLC=300V
–25°C/30 min., Room Temperature/5 min., +155°C/30 min., 5 cycles
±0.05%
±0.01%
Rated Voltage x 2.5, 5 sec.
±0.05%
±0.0025%
235°C, 2 sec.
over 75% coverage over 75% coverage
➊
lsopropyl Alcohol
➋
Trichloroethylene
no damage
no damage
–25°C, No Load, 2 hrs.
±0.05%
±0.0025%
0.908 kg (2 pounds), 10 sec.
±0.05%
±0.0025%
Atmo. Pres.: AC 300V, 1 min.
±0.03%
±0.0025%
DC 100V, 1 min.
over 10,000 MΩ
over 10,000 MΩ
350°C, 3 sec.
±0.03%
±0.0025%
+65°C to –10°C, 90% RH to 98% RH, Rated Voltage,10 cycles (240 hrs.)
±0.1%
±0.015%
50G, 11 ms, Half-Sine Wave, X, Y, Z, each 3 shocks
±0.03%
±0.005%
20G, 10 Hz to 55 Hz to 10 Hz, 1 min., X, Y, Z, each 2 hrs.
±0.03%
±0.005%
70°C, Rated Power, 1.5 hr. – ON, 0.5 hr. – OFF, 1,000 hrs.
±0.1%
±0.01%
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.
±0.05%
±0.02%
±0.05%
-25 dB
±0.5%
±0.01%
±0.005%
±0.01%
-42 dB
±0.1%
FREQUENCY CHARACTERISTICS
(%)
150
FLB
TEMPERATURE OF RESISTOR SURFACE
R(AC)/R(DC)
100
10
100
1k
10 k
50
1
5
10
Frequency
50
100
40 k
(MHz)
Document No.: 67003
Revision: 25-Apr-2016
For any questions, contact
sales-alpha@alpha-elec.co.jp
www.alpha-elec.co.jp
17
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