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1% Resistor Values

100  143  191  274  392  562  806
102  147  196  280  402  576  825
105  150  200  287  412  590  845
107  154  205  294  422  604  866
110  154  210  301  432  619  887
113  158  215  309  442  634  909
115  162  221  316  453  649  931
118  165  226  324  464  665  953
121  169  232  332  475  681  976
124  174  237  340  487  698  
127  178  243  348  499  715  
130  182  249  357  511  732  
133  187  255  365  523  750  
137  191  261  374  536  768  
140  196  267  383  549  787  

5% Resistor Values

10   18   33   56  
11   20   36   62  
12   22   39   68  
13   24   43   75  
15   27   47   82  
16   30   51   91  

Standard Capacitor Values

10   18   33   56  
11   20   36   62  
12   22   39   68  
13   24   43   75  
15   27   47   82  
16   30   51   91  

RC -3dB Cutoff Frequency Calculator

Enter resistance and capacitance:

Resistance (Ω)
Capacitance (Farads)

- Hz

Calculate_RC

RL -3dB Cutoff Frequency Calculator

Enter resistance and inductance:

Resistance (Ω)
Inductance (Henrys)

- Hz

Calculate_RL

Resistive Voltage Divider Calculator

Enter R1 and R2 values:

Input Voltage (Volts)
R1 (Ω)
R2 (Ω)

- Volts

Calculate Output Voltage

PCB Trace Width Conversion Calculator

Trace width (mm)
Copper thickness (oz)

- Volts

Calculate Trace Width

Battery Life Calculator

Battery Capacity (mAh)
Consumption (mA)

- Hours

Calculate Battery Life

IPC 2141 Microstrip Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
h (mm)
ε_r

Impedance: - Ω

Calculate Impedance

IPC 2141 Embedded Microstrip Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
h (mm)
hp (mm)
ε_r

Impedance: - Ω

Calculate Impedance

IPC 2141 Edge Coupled Microstrip Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
S (mm)
h (mm)
ε_r

Impedance: - Ω

Calculate Impedance

IPC 2141 Stripline Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
h (mm)
ε_r

Impedance: - Ω

Calculate Impedance

IPC 2141 Asymmetric Stripline Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
ha (mm)
hb (mm)
ε_r

Impedance: - Ω

Calculate Impedance

IPC 2141 Broadside Coupled Stripline Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
hp (mm)
ht (mm)
ε_r

Differential Impedance: - Ω

Calculate Impedance

IPC 2141 Edge Coupled Stripline Trace Impedance Calculator

t (mm)   Note: 1 oz/ft² ≈ 35µm
W (mm)
S (mm)
h (mm)
ε_r

Differential Impedance: - Ω

Calculate Impedance