CSI Solar Co. Ltd. CS3Y-445PB-AG

Multi-c-Si Bifacial

445.21 W Pmax

51.4 V Voc

11.23 A Isc

42.2 V Vmp

10.55 A Imp

19.36 % eff.

0.7713 FF

78 cells

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

IV Curves — 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

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	445.21	W
PTC Power	PTC	416.9	W
Open-circuit voltage	V_oc_ref	51.4	V
Short-circuit current	I_sc_ref	11.23	A
Max-power voltage	V_mp_ref	42.2	V
Max-power current	I_mp_ref	10.55	A
Fill factor	FF	0.7713	—
Efficiency (STC)	η	19.36	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007187	A/°C
Voc temperature coefficient	beta_oc	-0.137752	V/°C
Pmax temperature coefficient	gamma_r	-0.336	%/°C
NOCT	T_NOCT	44.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.91819	V
Light-generated current (ref)	I_L_ref	11.244	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.31396	Ω
Shunt resistance (ref)	R_sh_ref	251.042	Ω
Cells in series	N_s	78	—
CEC Adjust factor	Adjust	8.0121	%

Actions

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Module Specifications

Technology Multi-c-Si

Bifacial Yes

BIPV No

Cells in series 78

Module area 2.3 m²

NOCT 44.3 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr

Measured Data

No measured data yet for this module.

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