2SD638 Specs and Replacement

Type Designator: 2SD638

Material of Transistor: Si

Polarity: NPN

Absolute Maximum Ratings

Maximum Collector Power Dissipation (Pc): 0.6 W

Maximum Collector-Base Voltage |Vcb|: 30 V

Maximum Collector-Emitter Voltage |Vce|: 25 V

Maximum Emitter-Base Voltage |Veb|: 7 V

Maximum Collector Current |Ic max|: 0.5 A

Max. Operating Junction Temperature (Tj): 150 °C

Electrical Characteristics

Transition Frequency (ft): 100 MHz

Collector Capacitance (Cc): 6 pF

Forward Current Transfer Ratio (hFE), MIN: 85

Noise Figure, dB: -

Package: SC71

 2SD638 Substitution

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2SD638 datasheet

 ..1. Size:44K  panasonic

2sd638 e.pdf pdf_icon

2SD638

Transistor 2SD638, 2SD639 Silicon NPN epitaxial planer type For medium-power general amplification Unit mm Complementary to 2SB643 and 2SB644 6.9 0.1 2.5 0.1 1.5 1.5 R0.9 1.0 Features R0.9 Low collector to emitter saturation voltage VCE(sat). M type package allowing easy automatic and manual insertion as well as stand-alone fixing to the printed circuit board. 0.85 Absolute ... See More ⇒

 9.1. Size:44K  1

2sd639.pdf pdf_icon

2SD638

Transistor 2SD638, 2SD639 Silicon NPN epitaxial planer type For medium-power general amplification Unit mm Complementary to 2SB643 and 2SB644 6.9 0.1 2.5 0.1 1.5 1.5 R0.9 1.0 Features R0.9 Low collector to emitter saturation voltage VCE(sat). M type package allowing easy automatic and manual insertion as well as stand-alone fixing to the printed circuit board. 0.85 Absolute ... See More ⇒

 9.2. Size:315K  1

2sd636 2sd637.pdf pdf_icon

2SD638

Maintenance/ Discontinued Maintenance/Discontinued includes following four Product lifecycle stage. (planed maintenance type, maintenance type, planed discontinued typed, discontinued type) Maintenance/ Discontinued Maintenance/Discontinued includes following four Product lifecycle stage. (planed maintenance type, maintenance type, planed discontinued typed, discontinued type) Mainten... See More ⇒

 9.3. Size:167K  toshiba

2sd633 2sd635.pdf pdf_icon

2SD638

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Detailed specifications: 2SD630, 2SD631, 2SD632, 2SD633, 2SD634, 2SD635, 2SD636, 2SD637, TIP31C, 2SD639, 2SD64, 2SD640, 2SD641, 2SD642, 2SD643, 2SD644, 2SD645

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