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Product Detailed Parameters
- Description：PNP EPITAXIAL PLANAR SILICON
- Series：-
- Mfr：Sanyo
- Package：Bulk
- Resistors Included：R1 and R2
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 kOhms
- Resistor - Emitter Base (R2)：10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce：50 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max)：500nA
- Frequency - Transition：200 MHz
- Power - Max：600 mW
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：3-NP
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Overview
The 2SA1528 is a PNP silicon small signal bipolar transistor manufactured by Sanyo. It features an integrated bias resistor with a ratio of 4.545, simplifying circuit design. The device supports a maximum collector current (IC) of 0.5 A and a collector-emitter breakdown voltage (V(BR)CEO) of 50 V. It is housed in a TO-92 cylindrical plastic package with three through-hole terminals positioned at the bottom. This single-element configuration is designed for general-purpose switching and amplification applications.
Feature Summary
- Integrated bias resistor eliminates external components
- PNP polarity with built-in resistance
- Through-hole TO-92 packaging
Applications
- General-purpose switching circuits
- Amplifier stages requiring simplified biasing
Procurement Notes
Verify the specific suffix AA against official Sanyo documentation to confirm pinout and electrical tolerances. Ensure the component meets RoHS requirements if applicable, as some listings indicate non-compliance. Cross-reference datasheets from authorized distributors to validate the manufacturer's current status and availability constraints.
Selection Notes
Select this component when a PNP transistor with moderate current handling and low voltage ratings is required. The built-in resistor reduces board space and assembly complexity compared to discrete bias networks. Confirm that the 50 V rating and 0.5 A limit align with the target circuit's operational parameters.
Part Context
This part belongs to Sanyo's lineup of small signal bipolar transistors. It serves as a discrete alternative to integrated logic drivers, offering analog control capabilities. The TO-92 form factor allows for easy prototyping and manual soldering in consumer electronics and industrial control modules.
Replacement Considerations
Check for direct substitutes with identical resistor ratios and pin configurations. Verify that replacement parts maintain the same PNP polarity and voltage/current limits to ensure circuit compatibility without redesign.
