Texas Instruments - 2N4949

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2N4949 by Texas Instruments

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Manufacturer Texas Instruments
Manufacturer's Part Number 2N4949
Description Unijunction Transistors; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .36 W; Maximum Static Inter-Base Resistance: 12 kohm; Minimum Intrinsic Stand-off Ratio: .74;
Datasheet 2N4949 Datasheet
In Stock4,910
NAME DESCRIPTION
Package Body Material: METAL
Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED
Configuration: SINGLE
Transistor Element Material: SILICON
Transistor Application: SWITCHING
Minimum Valley Point Current: 2 mA
Sub-Category: Unijunction Transistors
Surface Mount: NO
Maximum Inter-base Voltage: 25 V
No. of Terminals: 3
Maximum Peak Point Current: 1 mA
Maximum Power Dissipation (Abs): .36 W
Terminal Position: BOTTOM
Package Style (Meter): CYLINDRICAL
JESD-30 Code: O-MBCY-W3
No. of Elements: 1
Package Shape: ROUND
Terminal Form: WIRE
Maximum Operating Temperature: 200 Cel
Case Connection: BASE2
Maximum Static Inter-Base Resistance: 12 kohm
Minimum Intrinsic Stand-off Ratio: .74
Maximum Intrinsic Stand-off Ratio: .86
JEDEC-95 Code: TO-18
Minimum Operating Temperature: -65 Cel
Qualification: Not Qualified
Minimum Static Inter-Base Resistance: 4 kohm
Maximum Emitter Current: 50 mA
Peak Reflow Temperature (C): NOT SPECIFIED
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