Hengdian Group DMEGC Magnetics DM425M10T-B54yyy

Mono-c-Si

425 W Pmax

39.2 V Voc

13.81 A Isc

32.6 V Vmp

13.03 A Imp

21.78 % eff.

0.7847 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	424.778	W
PTC Power	PTC	399.4	W
Open-circuit voltage	V_oc_ref	39.2	V
Short-circuit current	I_sc_ref	13.81	A
Max-power voltage	V_mp_ref	32.6	V
Max-power current	I_mp_ref	13.03	A
Fill factor	FF	0.7847	—
Efficiency (STC)	η	21.78	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006215	A/°C
Voc temperature coefficient	beta_oc	-0.094472	V/°C
Pmax temperature coefficient	gamma_r	-0.294	%/°C
NOCT	T_NOCT	46.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.35856	V
Light-generated current (ref)	I_L_ref	13.82538	A
Saturation current (ref)	I_o_ref	4e-12	A
Series resistance	R_s	0.177	Ω
Shunt resistance (ref)	R_sh_ref	158.971	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	1.8515	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54

Module area 1.95 m²

NOCT 46.9 °C

Temp. coefficient of Pmax -0.294 %/°C

Temp. coefficient of Voc -0.241 %/°C

Temp. coefficient of Isc 0.045 %/°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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