BTD1857AI3 Specs and Replacement
Type Designator: BTD1857AI3
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 10 W
Maximum Collector-Base Voltage |Vcb|: 180 V
Maximum Collector-Emitter Voltage |Vce|: 160 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 1.5 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 200 MHz
Collector Capacitance (Cc): 13 pF
Forward Current Transfer Ratio (hFE), MIN: 160
Noise Figure, dB: -
Package: TO251
- BJT ⓘ Cross-Reference Search
BTD1857AI3 datasheet
..1. Size:178K cystek
btd1857ai3.pdf 

Spec. No. C855I3 Issued Date 2004.09.16 CYStech Electronics Corp. Revised Date 2012.01.16 Page No. 1/5 Silicon NPN Epitaxial Planar Transistor BTD1857AI3 Description High BV CEO High current capability Complementary to BTB1236AI3 RoHS compliant package Symbol Outline BTD1857AI3 TO-251 B Base C Collector E Emitter B C E Absolute Ma... See More ⇒
6.1. Size:246K cystek
btd1857am3.pdf 

Spec. No. C855M3-R Issued Date 2004.08.06 CYStech Electronics Corp. Revised Date 2013.10.31 Page No. 1/6 Silicon NPN Epitaxial Planar Transistor BVCEO 160V IC 1.5A BTD1857AM3 RCESAT(MAX) 0.3 Description High BV CEO High current capability Complementary to BTB1236AM3 Pb-free lead plating and halogen-free package Symbol Outline BTD1857AM3 ... See More ⇒
6.2. Size:159K cystek
btd1857at3.pdf 

Spec. No. C855T3 Issued Date 2004.12.15 CYStech Electronics Corp. Revised Date 2006.06.12 Page No. 1/4 Silicon NPN Epitaxial Planar Transistor BTD1857AT3 Description High BV CEO High current capability Complementary to BTB1236AT3 Pb-free package Symbol Outline BTD1857AT3 TO-126 B Base C Collector E C B E Emitter Absolute Maximum... See More ⇒
6.3. Size:182K cystek
btd1857ae3.pdf 

Spec. No. C855E3 Issued Date 2004.08.06 CYStech Electronics Corp. Revised Date 2013.11.13 Page No. 1/5 Silicon NPN Epitaxial Planar Transistor BTD1857AE3 Description High BV CEO High current capability Complementary to BTB1236AE3 Pb-free lead plating package Symbol Outline BTD1857AE3 TO-220AB B Base C Collector E Emitter B C E ... See More ⇒
6.4. Size:165K cystek
btd1857ad3.pdf 

Spec. No. C855D3 Issued Date 2004.09.21 CYStech Electronics Corp. Revised Date 2006.06.12 Page No. 1/4 Silicon NPN Epitaxial Planar Transistor BTD1857AD3 Description High BV CEO High current capability Complementary to BTB1236AD3 Pb-free package Symbol Outline BTD1857AD3 TO-126ML B Base C Collector E Emitter E C B Absolute Maxim... See More ⇒
6.5. Size:202K cystek
btd1857aj3.pdf 

Spec. No. C855J3 Issued Date 2004.10.04 CYStech Electronics Corp. Revised Date 2013.10.31 Page No. 1/6 Silicon NPN Epitaxial Planar Transistor BVCEO 160V IC 1.5A BTD1857AJ3 RCESAT 310m Description High BV CEO High current capability Complementary to BTB1236AJ3 Pb-free lead plating and halogen-free package Symbol Outline BTD1857AJ3 TO-252(DP... See More ⇒
6.6. Size:228K cystek
btd1857aj3g.pdf 

Spec. No. C855J3G Issued Date 2004.10.04 CYStech Electronics Corp. Revised Date 2010.12.08 Page No. 1/7 Silicon NPN Epitaxial Planar Transistor BVCEO 160V IC 1.5A BTD1857AJ3G RCESAT 310m Description High BV CEO High current capability Complementary to BTB1236AJ3G RoHS compliant and Halogen-free package Symbol Outline BTD1857AJ3G TO-252AB TO... See More ⇒
6.7. Size:164K cystek
btd1857afp.pdf 

Spec. No. C855FP Issued Date 2004.08.15 CYStech Electronics Corp. Revised Date 2006.06.12 Page No. 1/4 Silicon NPN Epitaxial Planar Transistor BTD1857AFP Description High BV CEO High current capability Complementary to BTB1236AFP Pb-free package Symbol Outline BTD1857AFP TO-220FP B Base C Collector E Emitter B C E Absolute Maxi... See More ⇒
6.8. Size:148K cystek
btd1857a3.pdf 

Spec. No. C855A3 Issued Date 2004.12.23 CYStech Electronics Corp. Revised Date 2012.05.08 Page No. 1/9 Silicon NPN Epitaxial Planar Transistor BTD1857A3 Description High BV CEO High current capability Complementary to BTB1236A3 Pb-free package Symbol Outline BTD1857A3 TO-92 B Base C Collector E Emitter E C B Absolute Maximum Rat... See More ⇒
6.9. Size:205K cystek
btd1857al3.pdf 

Spec. No. C855L3 Issued Date 2005.06.17 CYStech Electronics Corp. Revised Date 2010.12.31 Page No. 1/7 Silicon NPN Epitaxial Planar Transistor BTD1857AL3 Description High BV CEO High current capability Complementary to BTB1236AL3 Pb-free lead plating package Symbol Outline BTD1857AL3 SOT-223 C E C B Base B C Collector E ... See More ⇒
Detailed specifications: BTD1805I3, BTD1805J3, BTD1816I3, BTD1816J3, BTD1857A3, BTD1857AD3, BTD1857AE3, BTD1857AFP, 2N3906, BTD1857AJ3, BTD1857AJ3G, BTD1857AL3, BTD1857AM3, BTD1857AT3, BTD1858A3, BTD1858I3, BTD1858T3
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