Jinko Solar Co. Ltd JKM425N-7RL3-B

Mono-c-Si

425 W Pmax

52.26 V Voc

10.42 A Isc

43.2 V Vmp

9.84 A Imp

19.5 % eff.

0.7806 FF

78 cells

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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	425.088	W
PTC Power	PTC	394.9	W
Open-circuit voltage	V_oc_ref	52.26	V
Short-circuit current	I_sc_ref	10.42	A
Max-power voltage	V_mp_ref	43.2	V
Max-power current	I_mp_ref	9.84	A
Fill factor	FF	0.7806	—
Efficiency (STC)	η	19.5	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006361	A/°C
Voc temperature coefficient	beta_oc	-0.149333	V/°C
Pmax temperature coefficient	gamma_r	-0.3583	%/°C
NOCT	T_NOCT	45.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.99287	V
Light-generated current (ref)	I_L_ref	10.42708	A
Saturation current (ref)	I_o_ref	4.21e-11	A
Series resistance	R_s	0.30077	Ω
Shunt resistance (ref)	R_sh_ref	442.719	Ω
Cells in series	N_s	26	—
CEC Adjust factor	Adjust	6.1303	%

The CEC list gives 26 cells in series, which puts 2.01 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 78 cells in series for the .PAN file and Similar Modules, found from the CEC count times 3 (it counts one bypass substring).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 78 (inferred, CEC lists 26)

Module area 2.18 m²

NOCT 45.3 °C

Temp. coefficient of Pmax -0.358 %/°C

Temp. coefficient of Voc -0.286 %/°C

Temp. coefficient of Isc 0.061 %/°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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