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2SD1257A - Silicon NPN Transistor

Download the 2SD1257A datasheet PDF. This datasheet also covers the 2SD1257 variant, as both devices belong to the same silicon npn transistor family and are provided as variant models within a single manufacturer datasheet.

Features

  • Low collector-emitter saturation voltage VCE(sat). Satisfactory linearity of forward current transfer ratio hFE. +0.2 9.70 -0.2 6.50 +0.2 5.30-0.2 +0.15 -0.15 +0.1 0.80-0.1 +0.15 0.50 -0.15 0.127 max 2.3 +0.15 4.60-0.15 +0.1 0.60-0.1 +0.28 1.50 -0.1 +0.25 2.65 -0.1 +0.15 5.55 -0.15 Large collector current IC. 1 Base 2 Collector 3 Emitter Absolute Maximum Ratings Ta = 25 Parameter Collector-base voltage 2SD1257 2SD1257A Collector-emitter voltage 2SD1257 2SD1257A Emitter-base voltage.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (2SD1257_Kexin.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
2SD1257A Silicon NPN Transistor Panasonic Semiconductor
2SD1257 Silicon NPN Transistor Panasonic Semiconductor
2SD1250 Silicon NPN epitaxial planar type Power Transistor Panasonic Semiconductor
2SD1250A Silicon NPN triple diffusion planar type Power Transistor Panasonic Semiconductor
2SD1251 Silicon NPN triple diffusion Transistor Panasonic Semiconductor

Other Datasheets by Kexin Semiconductor

Part Number Description
2SD1257 Silicon NPN Transistor
2SD1250 Silicon NPN Transistor
2SD1251 Silicon NPN Transistor
2SD1251A Silicon NPN Transistor
2SD1252 Silicon NPN Transistor

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
SMD Type Silicon NPN Epitaxial Planar Type 2SD1257,2SD1257A TO-252 +0.15 1.50 -0.15 Transistors Unit: mm 2.30 +0.8 0.50-0.7 +0.1 -0.1 Features Low collector-emitter saturation voltage VCE(sat). Satisfactory linearity of forward current transfer ratio hFE. +0.2 9.70 -0.2 6.50 +0.2 5.30-0.2 +0.15 -0.15 +0.1 0.80-0.1 +0.15 0.50 -0.15 0.127 max 2.3 +0.15 4.60-0.15 +0.1 0.60-0.1 +0.28 1.50 -0.1 +0.25 2.65 -0.1 +0.15 5.55 -0.15 Large collector current IC. 1 Base 2 Collector 3 Emitter Absolute Maximum Ratings Ta = 25 Parameter Collector-base voltage 2SD1257 2SD1257A Collector-emitter voltage 2SD1257 2SD1257A Emitter-base voltage Collector current Peak collector current Collector power dissipation Ta = 25 VEBO IC ICP PC Tj Tstg VCEO Symbol VCBO Rating 130 150 80 100 7 7 15 1.
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