Low Resistance Chip Resistors
LR Series

Features
• Suitable for voltage detector circuit of mobile
computing device and cellular phone.

How to Order
LR 21 - R100 F - T
① ②

③

④ ⑤

①Series LR
②Size (EIA)
21
32

50
63

1020
2512

③Resistance Value (4 digits)
R047 = 47m
R330 = 330m
1R00 = 1000m
④Tolerance

RoHS Compliant

K
F

Dimensions
LR21, LR32, LR63

10%
1%

⑤Packaging

L

LR50

L

W

W

T Paper Taping(LR21, LR32), 5,000pcs/7"reel
U Plastic Taping(LR50, LR63), 4,000pcs/7"reel

c
c

c

T

T

c

0805
1206

d

d

d

d

(Unit : mm)

No marking

W

L

c

d

T

LR21 (0805)

1.250.15
0.10

2.000.10

0.250.20

0.400.20

0.550.10

LR32 (1206)

1.550.15
0.10

3.100.10

0.250.20

0.450.20

0.550.10
0.05

LR50 (1020)

5.000.20

2.500.20

0.200.15

0.500.20

0.600.10

LR63 (2512)

3.200.20

6.300.20

0.450.20

0.450.20

0.600.10

Specifications
Item

Rated power

Max working
voltage

LR21 (0805)

0.25W (1/4W)

287mV

LR32 (1206)

0.5W (1/2W)

707mV

Series

Resistance
tolerance

Resistance
value

Working
temperature

Temperature
characteristics

F: 1%

100 to 149m
150 to 330m

55 to 125°C

150ppm/°C
100ppm/°C

K: 10%

20 to 50m

F: 1%
LR50 (1020)

1W

316mV

F: 1%

LR63 (2512)

1W

1000mV

F: 1%

- 10 -

100 to 149m
150 to 1000m
20 to 29m
30 to 100m
100 to 1000m

3000ppm/°C
55 to 125°C

55 to 125°C
55 to 125°C

150ppm/°C
100ppm/°C
150ppm/°C
100ppm/°C
100ppm/°C