2N1257 datasheet, PDF - EEWORLD Datasheet

2N1257: DescriptionSmall Signal Bipolar Transistor, 0.1A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-5, TO-5, 3 PIN; CategoryDiscrete semiconductor The transistor; File Size138KB，1 Pages; ManufacturerSemiconductor Technology Inc

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2N1257 Overview

Small Signal Bipolar Transistor, 0.1A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-5, TO-5, 3 PIN

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	TO-5
package instruction	CYLINDRICAL, O-MBCY-W3
Contacts	3
Reach Compliance Code	unknown
Maximum collector current (IC)	0.1 A
Collector-emitter maximum voltage	40 V
Configuration	SINGLE
Minimum DC current gain (hFE)	40
JEDEC-95 code	TO-5
JESD-30 code	O-MBCY-W3
JESD-609 code	e0
Number of components	1
Number of terminals	3
Maximum operating temperature	200 °C
Package body material	METAL
Package shape	ROUND
Package form	CYLINDRICAL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Polarity/channel type	PNP
Maximum power dissipation(Abs)	0.275 W
Certification status	Not Qualified
surface mount	NO
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	WIRE
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED
Transistor component materials	SILICON
Nominal transition frequency (fT)	50 MHz
Base Number Matches	1

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