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Product Detailed Parameters
- Description：TRANS PNP 80V 1A TO-92-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：1:00 AM
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：40 @ 150mA, 2V
- Power - Max：1 W
- Frequency - Transition：100MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
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Overview
The onsemi BC640_J61Z is a PNP epitaxial silicon transistor housed in a TO-92 plastic package. It serves as the complementary device to the BC639 NPN transistor within the same series. The component supports a maximum collector current of -1 A and features a collector-emitter voltage rating of -80 V. Designed for switching and amplifier applications, it offers a DC current gain ranging from 25 to 160 depending on operating conditions.
Feature Summary
- Complements the BC639 NPN transistor in matched pairs
- Capable of handling high continuous collector currents up to 1 A
- Suitable for audio and video amplifier circuits
Applications
- Audio amplifiers
- Video amplifiers
- Switching applications
Procurement Notes
Verify that the ordering suffix J61Z corresponds to the specific tape-and-reel packaging configuration defined by Fairchild Semiconductor. Confirm RoHS compliance status directly with the manufacturer or authorized distributor, as environmental declarations can vary between production runs and specific part markings.
Selection Notes
Select this component when a PNP medium power transistor is required to match an NPN counterpart like the BC639. Ensure the application operates within the specified -80 V collector-emitter voltage limit and does not exceed the 1 W power dissipation capability at ambient temperatures above 25°C without proper thermal derating.
Part Context
This device belongs to the BC640 family of PNP medium power transistors originally developed by Fairchild Semiconductor. The BC640 series is widely recognized for its high current capabilities and low saturation voltages, making it a standard choice for general-purpose analog and digital switching tasks across various electronic equipment designs.
Replacement Considerations
BC640TA
FAQ
What is the electrical complement to the BC640?
The BC640 is designed as the direct PNP complement to the BC639 NPN transistor.
What is the maximum collector current rating?
The absolute maximum continuous collector current (IC) is rated at -1 A.
Does the device support high-frequency operation?
Yes, the current gain bandwidth product (fT) is specified at 100 MHz under standard test conditions.
