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STIEC45-33AS Datasheet(PDF) 3 Page - STMicroelectronics |
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STIEC45-33AS Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 9 page STIEC45-XXAS Characteristics Doc ID 16871 Rev 1 3/9 Note: Surge capability given for both directions for unidirectional and bidirectional types. Table 3. Electrical characteristics - parameter values (Tamb = 25 °C) Order code IRM @VRM VBR @IR (1) VCL @IPP 8/20 µs, 1.2/50 µs RD (2) 8/20 µs αT (3) 25 °C 85 °C Min. Typ. Max. Max. Typ. max µA V V mA V A Ω 10-4/ °C STIEC45-24AS 0.2 1 24 26.7 28.2 29.5 1 42 500 0.025 9.6 STIEC45-26AS 0.2 1 26 28.9 30.3 31.9 1 45 500 0.026 9.7 STIEC45-27AS 0.2 1 27 30 31.6 33.2 1 47 500 0.028 9.7 STIEC45-28AS 0.2 1 28 31.1 32.6 34.3 1 49 500 0.029 9.8 STIEC45-30AS 0.2 1 30 33.3 35 36.8 1 55 500 0.036 9.9 STIEC45-33AS 0.2 1 33 36.7 38.6 40.6 1 59 500 0.036 10 1. Pulse test: tp < 50 ms 2. To calculate maximum clamping voltage at other surge levels: VCLmax = RD x IPP + VBRmax 3. To calculate VBR versus junction temperature: VBR @ Tj = VBR @ 25°C x (1 + αT x (Tj – 25)) Figure 2. Pulse form Figure 3. Peak pulse current versus initial junction temperature Repetitive pulse current tr = rise time (µs) tp = pulse duration time (µs) tp t tr % Ipp 100 50 0 0 100 200 300 400 500 600 0 25 50 75 100 125 150 175 T (°C) j I (A) PP 8/20 µs, 1.2/50 µs |
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