2N18 Transistor Datasheet. Parameters and Characteristics.

Type Designator: 2N18

Material of transistor: Ge

Polarity: PNP

Maximum collector power dissipation (Pc), W: 0.1

Maximum collector-base voltage |Ucb|, V: 25

Maximum collector-emitter voltage |Uce|, V: 25

Maximum emitter-base voltage |Ueb|, V: 10

Maximum collector current |Ic max|, A: 0.2

Maximum junction temperature (Tj), °C: 100

Transition frequency (ft), MHz: 2

Collector capacitance (Cc), pF: 40

Forward current transfer ratio (hFE), min: 18

Noise Figure, dB: -

Package of 2N18 transistor: TO30

2N18 Equivalent Transistors - Cross-Reference Search

2N18 PDF document for downloads:

1.1. 2n1854.pdf Size:219K _rca

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1.2. 2n1853.pdf Size:259K _rca

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1.3. 2n1893.pdf Size:663K _rca

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1.4. 2n186a_2n187a_2n188a.pdf Size:352K _general_electric

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1.5. 2n189_2n190_2n191_2n192.pdf Size:343K _general_electric

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1.6. 2n186_2n187_2n188.pdf Size:357K _general_electric

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1.7. 2n186-a_2n187-a_2n188-a_2n189_2n190_2n191_2n192.pdf Size:384K _general_electric

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1.8. 2n1893_cnv_2.pdf Size:51K _philips

DISCRETE SEMICONDUCTORS DATA SHEET book, halfpage M3D111 2N1893 NPN medium power transistor 1997 Apr 17 Product specification Supersedes data of September 1994 File under Discrete Semiconductors, SC04 Philips Semiconductors Product specification NPN medium power transistor 2N1893 FEATURES PINNING • Low current (max. 500 mA) PIN DESCRIPTION • Low voltage (max. 80 V). 1 emitter 2 base APPLICATIONS 3 collector, connected to case • High performance amplifiers • Oscillator and switching applications. 1 handbook, halfpage 3 2 DESCRIPTION 2 NPN medium power transistor in a TO-39 metal package. 1 3 MAM317 Fig.1 Simplified outline (TO-39) and symbol. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCBO collector-base voltage open emitter - 120 V VCEO collector-emitter voltage open base - 80 V ICM peak collector current - 1A Ptot total power dissipation Tcase ? 25 °C - 3W hFE DC current gain IC = 150 mA; VCE = 10 V 40 120 1997 Apr 17 2 P

1.9. 2n1893.pdf Size:311K _st

2N1893 ® SMALL SIGNAL NPN TRANSISTOR GENERAL PURPOSE HIGH VOLTAGE DEVICE DESCRIPTION The 2N1893 is a Silicon Planar Epitaxial NPN transistor in Jedec TO-39 metal case, designed for use in high-performance amplifier, oscillator and switching circuits. It provides greater voltage swings in oscillator and amplifier circuits and more protection in inductive switching circuits due to its 120 V collector-to-base voltage rating. TO-39 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCBO Collector-Base Voltage (IE = 0) 120 V VCER Collector-Emitter Voltage (RBE ? 10?) 100 V VCEO Collector-Emitter Voltage (IB = 0) 80 V VEBO Emitter-Base Voltage (IC = 0) 7 V IC Collector Current 0.5 A P 0.8 W tot Total Dissipation at Tamb ? 25 oC 3 W at T ? 25 oC C 1.7 W at TC ? 100 oC o Tstg Storage Temperature -65 to 175 C o Tj Max. Operating Junction Temperature 175 C 1/5 January 2003 2N1893 THERMAL DATA o Rthj-case Thermal Resistance Ju

1.10. 2n1613_2n1711_2n1893.pdf Size:64K _central

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1.11. 2n1893_2n720a.pdf Size:55K _microsemi

TECHNICAL DATA NPN LOW POWER SILICON TRANSISTOR Qualified per MIL-PRF-19500/182 Devices Qualified Level JAN 2N1893 2N720A JANTX 2N1893S JANTXV MAXIMUM RATINGS Ratings Symbol All Devices Units Collector-Emitter Voltage 80 Vdc VCEO Collector-Base Voltage 120 Vdc VCBO 7.0 Vdc Emitter-Base Voltage VEBO 100 Vdc TO-18 (TO-206AA)* Collector-Emitter Voltage (R = 10 ?) VCER BE 2N720A Collector Current I 500 mAdc C 2N720A 2N1893, S Total Power Dissipation @ T = +250C (1) 0.5 0.8 A PT W @ T = +250C (2) 1.8 3.0 C 0 Operating & Storage Junction Temperature Range TJ, Tsrg -65 to +200 C THERMAL CHARACTERISTICS Characteristics Symbol 2N720A 2N1893, S Unit TO-5* 0 Thermal Resistance, Junction-to-Case 97 58 C/W R?JC 2N1893, 2N1893S 1) Derate linearly 2.86 mW/0C for 2N720A, 4.57 mW/0C for 2N1893, S T > 250C A 2) Derate linearly 10.3 mW/0C for 2N720A, 17.2 mW/0C for 2N1893, S T > 250C C *See appendix A for package outline

1.12. 2n1870a-74a.pdf Size:215K _microsemi

See also transistors datasheet: 2N1784 , 2N1785 , 2N1786 , 2N1787 , 2N1788 , 2N1789 , 2N179 , 2N1790 , AD149 , 2N180 , 2N1808 , 2N1809 , 2N181 , 2N1810 , 2N1811 , 2N1812 , 2N1813 .

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