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SM4T30A Dataheets PDF



Part Number SM4T30A
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description TRANSIL
Datasheet SM4T30A DatasheetSM4T30A Datasheet (PDF)

SM4T6V8,A/220,A SM4T6V8C,CA/220C,CA TRANSIL FEATURES PEAK PULSE POWER= 400 W @ 1ms. BREAKDOWN VOLTAGE RANGE : From 6V8 to 220 V. UNI AND BIDIRECTIONAL TYPES. LOW CLAMPING FACTOR. FAST RESPONSE TIME: Tclamping : 1ps (0 V to VBR). JEDEC REGISTRED. SOD 6 (Plastic) . . . . . . DESCRIPTION Transil diodes provide high overvoltage protection by clamping action. Their instantaneous reponse to transients makes them praticularly suited to protect voltage sensitive devices such as MOS Technology and low.

  SM4T30A   SM4T30A



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SM4T6V8,A/220,A SM4T6V8C,CA/220C,CA TRANSIL FEATURES PEAK PULSE POWER= 400 W @ 1ms. BREAKDOWN VOLTAGE RANGE : From 6V8 to 220 V. UNI AND BIDIRECTIONAL TYPES. LOW CLAMPING FACTOR. FAST RESPONSE TIME: Tclamping : 1ps (0 V to VBR). JEDEC REGISTRED. SOD 6 (Plastic) . . . . . . DESCRIPTION Transil diodes provide high overvoltage protection by clamping action. Their instantaneous reponse to transients makes them praticularly suited to protect voltage sensitive devices such as MOS Technology and low voltage supplied IC’s. . . . . . MECHANICAL CHARACTERISTICS Body marked with : Logo, Date Code, Type Code and Cathode Band (for unidirectional types only). Full compatibility with both gluing and paste soldering technologies. Excellent on board stability. Tinned copper leads. High temperature resistant resin. ABSOLUTE RATINGS (limiting values) Symbol Pp P Parameter Peak pulse power dissipation See note 1 and derating curve Fig 1. Power dissipation on infinite heatsink See note 1 and derating curve Fig 1. Non repetitive surge peak forward current. For unidirectional types. Storage and junction temperature range Maximum lead temperature for soldering during 10 s. Tamb = 25°C Tlead = 50°C Tamb = 25°C t =10 ms Value 400 Unit W 5 W IFSM Tstg Tj TL 50 A °C °C °C - 65 to + 175 150 260 November 1992 1/7 SM4Txx THERMAL RESISTANCES Symbol Rth (j-l) Rth (j-a) Parameter Junction-leads on infinite heatsink Junction to ambiant. on printed circuit. With standard footprint dimensions. Value 20 100 Unit °C/W °C/W ELECTRICAL CHARACTERISTICS Symbol VRM VBR VCL IRM IPP Parameter Stand-off voltage. Breakdown voltage. Clamping voltage. Leakage current @ VRM. Surge current. Voltage temperature coefficient. Forward Voltage drop VF < 3.5V @ IF = 25 A. IRM @ VRM TYPES max µA * VD VE VF VG VN VP VS VT VW VX UD UE UH UK UL UM UN UP UQ UR US UT UU UV UW UX 1000 1000 500 500 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5.8 5.8 6.4 6.4 8.55 8.55 10.2 10.2 12.8 12.8 15.3 15.3 18.8 18.8 20.5 20.5 23.1 23.1 25.6 25.6 28.2 28.2 30.8 30.8 33.3 33.3 6.45 6.45 7.13 7.13 9.5 9.5 11.4 11.4 14.3 14.3 17.1 17.1 20.9 20.9 22.8 22.8 25.7 25.7 28.5 28.5 31.4 31.4 34.2 34.2 37.1 37.1 6.8 6.8 7.5 7.5 10 10 12 12 15 15 18 18 22 22 24 24 27 27 30 30 33 33 36 36 39 39 7.48 7.14 8.25 7.88 11 10.5 13.2 12.6 16.5 15.8 19.8 18.9 24.2 23.1 26.4 25.2 29.7 28.4 33 31.5 36.3 34.7 39.6 37.8 42.9 41.0 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10.5 10.5 11.3 11.3 14.5 14.5 16.7 16.7 21.2 21.2 25.2 25.2 30.6 30.6 33.2 33.2 37.5 37.5 41.5 41.5 45.7 45.7 49.9 49.9 53.9 53.9 38 38 35.4 35.4 27.6 27.6 24 24 19 19 16 16 13 13 12 12 10.7 10.7 9.6 9.6 8.8 8.8 8 8 7.4 7.4 13.4 13.4 14.5 14.5 18.6 18.6 21.7 21.7 27.2 27.2 32.5 32.5 39.3 39.3 42.8 42.8 48.3 48.3 53.5 53.5 59.0 59.0 64.3 64.3 69.7 69.7 174 174 160 160 124 124 106 106 85 85 71 71 59 59 54 54 48 48 43 43 39 39 36 36 33 33 5.7 5.7 6.1 6.1 7.3 7.3 7.8 7.8 8.4 8.4 8.8 8.8 9.2 9.2 9.4 9.4 9.6 9.6 9.7 9.7 9.8 9.8 9.9 9.9 10.0 10.0 3500 350.


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