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TN22 Datasheet(PDF) 1 Page - STMicroelectronics |
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TN22 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 9 page ® 1/9 TN22 STARTLIGHT Table 1: Absolute ratings (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak off-state voltage Tj = 110°C 400 V IT(RMS) RMS on-state current Full sine ware (180° conduction angle) Tc = 95°C 2 A IT(AV) Mean on-state current Full sinewave (180° conduction angle) Tc = 95°C 1.8 A ITSM Non repetitive surge peak on-state current (Tj initial = 25°C) tp = 8.3ms 22 A tp = 10ms 20 I 2 t I2t Value for fusing tp = 10ms 2 A2s dl/dt Critical rate of rise of on-state current IG =5mA dIG /dt = 70 mA/µs. 50 A/µs Tstg Tj Storage and operating junction temperature range -40 to +150 -40 to +110 °C TI Maximum lead temperature for soldering during 10s at 4.5mm from case 260 °C TAB 2 1 3 DPAK (TN22-B) TAB 2 1 3 IPAK (TN22-H) TAB 2 1 3 TO-22AB (TN22-T) 2, TAB 1 3 September 2005 REV. 2 FEATURES AND BENEFITS ■ High clamping voltage structure (1200 -1500V) ■ Low gate triggering current for direct drive from line (< 1.5mA) ■ High holding current (> 175mA), ensuring high striking energy. DESCRIPTION The TN22 has been specifically developed for use in electronic starter circuits. Use in conjunction with a sensitive SCR and a resistor, it provides high energy striking characteristics with low trig- gering power. Thanks to its electronic concept, this TN22 based starter offers high reliability levels and extended life time of the fluorescent tubelamps. |
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