SEG Solar Inc. SEG-BMB-305BB

Mono-c-Si

305 W Pmax

39.5 V Voc

9.69 A Isc

33.2 V Vmp

9.19 A Imp

18.65 % eff.

0.7971 FF

60 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	305.108	W
PTC Power	PTC	277.5	W
Open-circuit voltage	V_oc_ref	39.5	V
Short-circuit current	I_sc_ref	9.69	A
Max-power voltage	V_mp_ref	33.2	V
Max-power current	I_mp_ref	9.19	A
Fill factor	FF	0.7971	—
Efficiency (STC)	η	18.65	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004079	A/°C
Voc temperature coefficient	beta_oc	-0.118065	V/°C
Pmax temperature coefficient	gamma_r	-0.3935	%/°C
NOCT	T_NOCT	48.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.55481	V
Light-generated current (ref)	I_L_ref	9.6925	A
Saturation current (ref)	I_o_ref	8.92e-11	A
Series resistance	R_s	0.16677	Ω
Shunt resistance (ref)	R_sh_ref	646.934	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	8.6207	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.636 m²

NOCT 48.2 °C

Temp. coefficient of Pmax -0.394 %/°C

Temp. coefficient of Voc -0.299 %/°C

Temp. coefficient of Isc 0.042 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

Same Test Data

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