CSI Solar Co. Ltd. CS61-54TM-435H

Mono-c-Si

437 W Pmax

38.3 V Voc

14.33 A Isc

32.5 V Vmp

13.45 A Imp

22.08 % eff.

0.7965 FF

54 cells

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	437.125	W
PTC Power	PTC	411.8	W
Open-circuit voltage	V_oc_ref	38.3	V
Short-circuit current	I_sc_ref	14.33	A
Max-power voltage	V_mp_ref	32.5	V
Max-power current	I_mp_ref	13.45	A
Fill factor	FF	0.7965	—
Efficiency (STC)	η	22.08	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005159	A/°C
Voc temperature coefficient	beta_oc	-0.094601	V/°C
Pmax temperature coefficient	gamma_r	-0.308	%/°C
NOCT	T_NOCT	43.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.35415	V
Light-generated current (ref)	I_L_ref	14.34484	A
Saturation current (ref)	I_o_ref	7.28e-12	A
Series resistance	R_s	0.10981	Ω
Shunt resistance (ref)	R_sh_ref	106.003	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	4.2303	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54

Module area 1.98 m²

NOCT 43.6 °C

Temp. coefficient of Pmax -0.308 %/°C

Temp. coefficient of Voc -0.247 %/°C

Temp. coefficient of Isc 0.036 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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