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Product Detailed Parameters
- Description：TRANS PNP 45V 0.1A SOT-523
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：45 V
- Vce Saturation (Max) @ Ib, Ic：650mV @ 5mA, 100mA
- Current - Collector Cutoff (Max)：15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：220 @ 2mA, 5V
- Power - Max：150 mW
- Frequency - Transition：100MHz
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-523
- Supplier Device Package：SOT-523
- Grade：-
- Qualification：-
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Overview
The BC857BT-7-F is a PNP small signal transistor manufactured by Diodes Incorporated, housed in an SOT523 surface mount package. It features epitaxial planar die construction and offers a collector current of -100 mA with a collector-emitter breakdown voltage of -45 V. The device meets AEC-Q101 standards for high reliability and is fully RoHS compliant. DC current gain ranges from 220 to 475 at VCE = -5V and IC = -2mA. Power dissipation is rated at 150 mW, with an operating temperature range of -55°C to +150°C.
Feature Summary
- Epitaxial planar die construction for robust performance
- Qualified to AEC-Q101 automotive standards for high reliability
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free green device
Applications
- General purpose switching applications
- Audio frequency (AF) amplifier circuits
- Complementary NPN pair configurations using BC847 series
Procurement Notes
Verify the specific ordering suffix '-7-F' against official Diodes Incorporated documentation to confirm reel size, tape width, and quantity per reel specifications. Ensure compliance requirements match project needs, as the device is qualified to AEC-Q101 standards. Confirm that the marking code '3W' corresponds to the correct date code and product type for inventory tracking purposes.
Selection Notes
Select this component when a PNP transistor with a minimum DC current gain of 220 is required in an ultra-small SOT523 package. It serves as the complementary counterpart to the BC847BT-7-F NPN transistor. Consider its -45V collector-emitter voltage rating and -100mA continuous collector current capability for low-power signal processing tasks.
Part Context
This part belongs to the BC857AT, BT, CT family of PNP small signal transistors. The 'BT' designation indicates a specific binning category for DC current gain characteristics compared to the AT and CT variants. All three share identical electrical ratings and physical packaging but differ in their hFE sorting ranges.
Replacement Considerations
BC857AT-7-F and BC857CT-7-F are direct pin-compatible alternatives within the same datasheet. Verify if the specific hFE binning of the replacement matches the circuit design requirements, as the BT variant provides a gain range of 220 to 475.
FAQ
What is the DC current gain range for the BC857BT-7-F?
The DC current gain (hFE) for the BC857BT-7-F ranges from a minimum of 220 to a maximum of 475, measured at VCE = -5V and IC = -2mA.
Is the BC857BT-7-F suitable for automotive applications?
Yes, the device is qualified to AEC-Q101 standards for high reliability, making it suitable for automotive electronic systems.
What is the maximum power dissipation of the BC857BT-7-F?
The maximum power dissipation is 150 mW when mounted on a minimum recommended pad layout of 1oz copper on a single-sided 1.6mm FR-4 PCB under still air conditions.
