Thick film & Metal Low Ohm Resistors: WW series
Thick Film Low Ohm Chip-R
Series Size Rated Power TCR(ppm/J) Tolerance Resistance Data Sheet PDF
WW25X 2512 (6432) 1W 1500** 1% 0.020[ ~ 0.976[ WW25-20-18X
5% 0.015[ ~ 0.976[
WW18X 1218 (3248) 1W 1% 0.020[ ~ 0.976[ WW25-20-18X
5% 0.015[ ~ 0.976[
WW20X 2010 (5025) 1/2W 1% 0.020[ ~ 0.976[ WW25-20-18X
5% 0.015[ ~ 0.976[
WW10X 1210 (3225) 1/3W 200 1% 0.020[ ~ 0.976[ WW10X
5% 0.020[ ~ 0.976[
WW12X 1206 (3216) 1/4W 1500** 1% 0.010[ ~ 0.976[ WWxxX
5% 0.010[ ~ 0.976[
WW08X 0805 (2012) 1/8W 1500** 1% 0.020[ ~ 0.976[ WWxxX
5% 0.020[ ~ 0.976[
WW06X 0603 (1608) 1/10W 500** 1% 0.100[ ~ 0.976[ WWxxX
5% 0.100[ ~ 0.976[
WW04X 0402 (1005) 1/16W 600** 1% 0.100[ ~ 0.976[ WWxxX
5% 0.100[ ~ 0.976[
WW12E 1206 (3216) 1/2W 0.010Rn < 0.018G1500
0.019Rn < 0.047G1200
0.048Rn < 0.091G1000
0.093Rn < 0.360G600
0.365Rn < 0.500G300
0.510Rn < 0.976G200
1% 0.100[ ~ 0.976[ ASC_WWxxE
5% 0.100[ ~ 0.976[
WW08E 0805 (2012) 1/4W 1% 0.100[ ~ 0.976[
5% 0.100[ ~ 0.976[
WW25X_J 2512 (6432) 1W 0.02Rn < 0.05G2100
0.05Rn < 0.10G1000
0.10Rn < 0.50G500
0.50Rn < 1.00G400
1% 0.020[ ~ 0.976[ WW25-18-12-08-06X_J_AUTO
5% 0.020[ ~ 0.976[
WW18X_J 1218 (3248) 1W 0.02Rn < 0.05G1500
0.05Rn < 0.10G1000
0.10Rn < 0.50G500
0.50Rn < 1.00G300
1% 0.020[ ~ 0.976[ WW25-18-12-08-06X_J_AUTO
5% 0.020[ ~ 0.976[
WW12X_J 1206 (3216) 1/4W 0.02Rn < 0.05G2100
0.05Rn < 0.10G1000
0.10Rn < 0.50G500
0.50Rn < 1.00G400
1% 0.020[ ~ 0.976[ WW25-18-12-08-06X_J_AUTO
5% 0.020[ ~ 0.976[
WW08X_J 0805 (2012) 1/8W 0.02Rn < 0.05G1500
0.05Rn < 0.10G1000
0.10Rn < 0.50G500
0.50Rn < 1.00G300
1% 0.020[ ~ 0.976[ WW25-18-12-08-06X_J_AUTO
5% 0.020[ ~ 0.976[
WW06X_J 0603 (1608) 1/10W 0.10Rn < 0.50G500
0.50Rn < 1.00G300
1% 0.1[ ~ 0.976[ WW25-18-12-08-06X_J_AUTO
5% 0.1[ ~ 0.976[

Thick Film Power Low Ohm Chip-R
Series Size Rated Power TCR(ppm/J) Tolerance Resistance Data Sheet PDF
WW25P 2512 (6432) 2W < 0.1[: 150ppm
0.1[: 100ppm
1% 0.047[ ~ 0.976[ WW25-20-12P
5% 0.047[ ~ 0.976[
WW20P 2010 (5025) 1W < 0.1[: 150ppm
0.1[: 100ppm
1% 0.047[ ~ 0.976[ WW25-20-12P
5% 0.047[ ~ 0.976[
WW12P 1206 (3216) 1/2W < 0.1[: 200ppm
0.1[: 100ppm
0.02[~0.0471[: 600ppm
1% 0.020[ ~ 0.976[ WW25-20-12P
5% 0.020[ ~ 0.976[
WW10P 1210 (3225) 1/2W 200ppm 1% 0.102[ ~ 0.976[ WW10P
5% 0.102[ ~ 0.976[
WW08P 0805 (2012) 1/3W < 0.1[: 200ppm
0.1[: 150ppm
1% 0.047[ ~ 0.976[ WW08-06P
5% 0.047[ ~ 0.976[
WW06P 0603 (1608) 1/4W < 0.1[: 250ppm
0.1[: 200ppm
1% 0.047[ ~ 0.976[ WW08-06P
5% 0.047[ ~ 0.976[
WW04P 0402 (1005) 1/8W < 0.1[: 300ppm
0.1[: 200ppm
1% 0.100[ ~ 0.976[ WW04P
5% 0.100[ ~ 0.976[
WW012E 1206 (3212) 1/2W for 0.010~0.091[
1/4W for 0.100~0.910[
0.010[~0.030[: 0~1500ppm 0.033[~0.047[: 0~1000ppm 0.050[~0.091[: 0~800ppm 0.100[~0.360[: 0~600ppm 0.390[~0.500[: 0~300ppm 0.510[~0.910[: 0~200ppm 1%5% 0.010[ ~ 0.910[ ASC_WWxxE
WW08E 0805 (2012) 1/2W for 0.010~0.091[
1/8W for 0.100~0.910[
WW12C 1206 (3216) 1/2W 0.015[~0.019[: N/A
0.020[~0.024[: 0~250ppm
0.025[~0.049[: 100ppm
0.050[~0.100[: 100ppm
1%,5% 0.02 ~ 0.100[ WWxxC
WW08C 0805 (2012) 1/3W 0.015[~0.019[: 0~250ppm
0.020[~0.024[: 0~250ppm
0.025[~0.049[: 150ppm
0.050[~0.100[: 100ppm
1%,5% 0.01 ~ 0.05[ WWxxC
WW06C 0603 (1608) 1/4W 0.015[~0.019[: 0~350ppm
0.020[~0.024[: 0~350ppm
0.025[~0.049[: 0~250ppm
0.050[~0.100[: 150ppm
1%,5% 0.010 ~ 0.100[ WWxxC
WW04C 0402 (1005) 1/8W 0.015[~0.019[: N/A
0.020[~0.024[: 0~350ppm
0.025[~0.049[: 0~350ppm
0.050[~0.100[: 150ppm
1%,5% 0.025 ~ 0.100[ WWxxC
WW02C 0201 (0603) 1/10W 0.015[~0.019[: N/A
0.020[~0.024[: 0~350ppm
0.025[~0.049[: 0~350ppm
0.050[~0.100[: 0~350ppm
1%,5% 0.020 ~ 0.100[ WWxxC
WW25W 2512(6432) 1W 0.010[~0.020[:1000
0.022[~0.039[:600
0.040[~0.047[:200
0.050[~0.091[:100
0.100[~0.910[:100
1%, 5% 0.010[~0.910[ ASC_WWxxW
WW20W 2010(5025) 3/4W 0.010[~0.020[:1000
0.022[~0.039[:600
0.040[~0.047[:200
0.050[~0.091[:100
0.100[~0.910[:100
1%, 5%
WW10W 1210(3225) 2/3W 0.010[~0.020[:600
0.022[~0.039[:400
0.040[~0.047[:200
0.050[~0.091[:100
0.100[~0.910[:100
1%, 5%
WW12W 1206(3216) 1/3W 0.010[~0.020[:1000
0.022[~0.039[:600
0.040[~0.047[:200
0.050[~0.091[:100
0.100[~0.910[:100
1%, 5%
WW08W 0805(2012) 1/4W 0.010[~0.020[:1000
0.022[~0.039[:600
0.040[~0.047[:400
0.050[~0.091[:200
0.100[~0.910[:100
1%, 5%
WW06W 0603(1608) 1/8W 0.050[~0.091[:400
0.100[~0.910[:200
1%, 5% 0.050[~0.910[

Metal Low Ohm Sensing Type Chip-R
Series Size Rated Power TCR (ppm/J)* Tolerance Resistance Data Sheet PDF
WW25N 2512 (6432) 2W 100 1%, 5% 3 ~ 100m[* ASC_WW25N
WW25R 2512 (6432) 2W 75 1%, 5% 1, 2, 3, 4, 5, 6, 7,10m[ ASC_WW25R
WW25M 2512 (6432) 1W 0.003[~0.004[: 70ppm
0.005[~0.050[: 100ppm
1%, 5% 3 ~ 50m[ ASC_WW25M
WW25MR001 2512 (6432) 1W 100 1%, 5% 0.001[ ASC_WW25MR001
WW25Q 2512 (6432) 1W 100 1%, 5% 2 ~ 15m[ ASC_WW25Q
WW20M 2010(5025) 1/2W 75 1%, 5% 0.005[,0.010[,0.015[,0.020[ ASC_WW20M(00-S-R28-E)
WW20N 2010 (5025) 1W 75 1%, 5% 5, 10, 15, 20m[ ASC_WW20N
WW12N 1206 (3216) 1W 70 1%, 5% 5, 10, 15, 20, 25m[ ASC_WW12xxM.N
WW08D 0805 (2012) 1/2W 100 1%, 5% 20, 25, 30, 40, 50 m[ ASC_WWxxD
WW12D 1206 (3216) 1W 100 1%, 5% 20, 25, 30, 40, 50m[
WW06R 0603 (1608) 1/3W 70 1%, 5% 5, 10m[ ASC_WW06-08-12R
WW08R 0805 (2012) 1/2W 70 1%, 5% 2,3,4,5,6,7,8,9,10m[
WW12R 1206 (3216) 1W 70 1%, 5% 1 ~ 15 m[
WW08K 0805(2012) 1/2W 100 1%, 5% 0.005[~0.010[ ASC_WW08-12-25K
WW12K 1206 (3216) 1W 70 1%, 5% 0.003[~0.025[
WW25K 2512(6432) 2W 3m[~4m[: 100
5m[~20m[: 70
1%, 5% 0.003[~0.020[
WW08J 0805(2012) 1/4W 100 1%, 5% 0.005[~0.010[ ASC_WW08-12-25J
WW12J 1206 (3216) 1/2W 70 1%, 5% 0.003[~0.025[
WW25J 2512(6432) 1W 3m[~4m[: 100
5m[~20m[: 70
1%, 5% 0.003[~0.020[
WW25A 2512(6432) 3W 5m[~10m[: 70
15m[~50m[: 50
1%, 5% 5m[~50m[ ASC_WW25A
WW25B 2512(6432) 3W 3m[~10m[: 70
20m[: 50
1%, 5% 3m[~20m[ ASC_WW25B
WW25A_J 2512(6432) 3W 5m[~10m[: 70
18m[~50m[: 50
1%, 5% 5m[~50m[ ASC_WW25A_J
WW25B_J 2512(6432) 3W 5m[~10m[: 70
20m[: 50
1%, 5% 5m[~20m[ ASC_WW25B_J
WW25T 2512(6432) 3W 100 1% 0.100[ ~ 0.910[ ASC_WW25T
200  5%
WW12M_J 1206 (3216) 1/2W 70 1%, 5% 5, 10, 15, 20, 25,30m[ ASC_WW12M_J WW12N_J_AUTO
WW12N_J 1W 70 1%, 5%
WW12J_J 1206 (3216) 1/2W 70 1%, 5% 0.003[~0.025[ ASC_WW12J_J_AUTO  
WW12K_J 1206 (3216) 1W 70 1%, 5% 0.003[~0.025[ ASC_WW12K_J_AUTO
WW20N_J 2010 (5025) 1W 70 1%, 5% 5, 10, 15, 20, 25m[ ASC_WW20N_J_AUTO  
WW25N_J 2512(6432) 2W 0.003[~0.004[: 100ppm
0.005[~0.100[: 70ppm
1%, 5% 0.003~0.1[ ASC_WW25N_J_AUTO
WW25M_J 2512 (6432) 1W 70 1%, 5% 5,10,12,15,20,25,50,100m[ ASC_WW25M_J_AUTO