TABLE III.

Monophasic stimulator efficiency comparison^†

	conventional cosine TMS				cTMS (C = 716 μF)
VCo (V)	C‡(μF)	tp (μs)	ΔWC (J)	$${\displaystyle {\int }_0^{t_P}{I}_L^2\text{dt}({\text{A}}^2\text{s})}$$	tp (μs)	ΔWC (J)	$${\displaystyle {\int }_0^{t_P}{I}_L^2\text{dt}({\text{A}}^2\text{s})}$$
1,327	63	49	56	165	28	43	54
1,028	121	66	64	244	38	48	80
882	183*	81	71	329	45	49	96
810	240	92	79	408	50	52	112

^†All configurations are matched to produce same amount of neuronal membrane depolarization for membrane time constant of τ_m = 150 μs.

^‡total energy storage capacitance C = C₁ + C₂.

^*approximate Magstim 200 configuration.