| Number of different environmental conditions | Temperature irradiance conditions | Iph (A) | Is (mA) | a | Rs (mW) | Rsh (W) |
| Standard situation | S = Sref, | Iph,ref | Is,ref | a | Rs,ref | Rsh,ref | T = Tref | 1 | S = 0.99Sref, T = Tref | 0.99Iph,ref | Is,ref | a | 1.002Rs,ref | 0.99Rsh,ref | 2 | S = Sref, T = 1.01Tref | Iph,ref + 0.01CT | 1.03Is,ref | 0.99a | 1.01Rs,ref | Rsh,ref | 3 | S = 0.7Sref, T = Tref | 0.7Iph,ref | Is,ref | a | 1.08Rs,ref | 0.7Rsh,ref | 4 | S = Sref, T = 1.03Tref | Iph,ref + 0.03CT | 1.09Is,ref | 0.97a | 1.03Rs,ref | Rsh,ref |
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