SEG Solar Inc. SEG-BMB-305WB

Mono-c-Si

305 W Pmax

39.5 V Voc

9.69 A Isc

33.2 V Vmp

9.19 A Imp

18.64 % eff.

0.7971 FF

60 cells

Same test data as SEG-BMB-305BB and 1 other listing. CEC lists each frame, color and backsheet version as its own listing.

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	279.4	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	18.64	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003673	A/°C
Voc temperature coefficient	beta_oc	-0.11688	V/°C
Pmax temperature coefficient	gamma_r	-0.3943	%/°C
NOCT	T_NOCT	46.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.54859	V
Light-generated current (ref)	I_L_ref	9.6926	A
Saturation current (ref)	I_o_ref	8.05e-11	A
Series resistance	R_s	0.16825	Ω
Shunt resistance (ref)	R_sh_ref	626.33	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	8.8814	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.637 m²

NOCT 46.5 °C

Temp. coefficient of Pmax -0.394 %/°C

Temp. coefficient of Voc -0.296 %/°C

Temp. coefficient of Isc 0.038 %/°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

3 listings with identical nameplate test data, one per frame, color or backsheet version.

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