KSA1156YS
PNP Transistor TO-126 400V 0.5A
Inventory:6,200
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Part Number : KSA1156YS
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Package/Case : TO-126-3
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Manufacturer : onsemi
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Components Classification : Single Bipolar Transistors
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Datesheet : KSA1156YS DataSheet (PDF)
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Series : KSA1156
Overview of KSA1156YS
The KSA1156YS is a high-voltage switching transistor optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching, making it an ideal component for various applications.
Pinout
The KSA1156YS pinout refers to the configuration and function of each pin in its TO-126 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the KSA1156YS has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- High Voltage Switching: The KSA1156YS is designed for high-voltage switching applications, making it suitable for use in a variety of circuits.
- Low Power Consumption: This transistor has low power consumption, which makes it an energy-efficient option for many applications.
- High-Speed Switching: The KSA1156YS is capable of high-speed switching, making it suitable for use in fast-switching circuits.
- Low Collector Saturation Voltage: This transistor has a low collector saturation voltage, which makes it suitable for use in applications where low voltage drop is required.
- High Breakdown Voltage: The KSA1156YS has a high breakdown voltage, making it suitable for use in applications where high voltage is present.
Applications
- DC-DC Converter: The KSA1156YS can be used as a switching transistor in DC-DC converters to regulate the output voltage.
- High-Voltage Switching Regulator: This transistor is suitable for use in high-voltage switching regulators, where it can be used to switch the input voltage to the regulator.
- Analog and Digital Signal Switching: The KSA1156YS can be used as a switching transistor in analog and digital signal switching circuits, where it can be used to switch the signal between different stages or devices.
Advantages and Disadvantages
Advantages
- High-Speed Switching: The KSA1156YS is capable of high-speed switching, making it suitable for use in fast-switching circuits.
- Low Power Consumption: This transistor has low power consumption, which makes it an energy-efficient option for many applications.
- High Breakdown Voltage: The KSA1156YS has a high breakdown voltage, making it suitable for use in applications where high voltage is present.
- Low Collector Saturation Voltage: This transistor has a low collector saturation voltage, which makes it suitable for use in applications where low voltage drop is required.
Disadvantages
- Sensitivity to Temperature: The KSA1156YS may be sensitive to temperature changes, which can affect its performance and reliability.
- Limited Current Handling: This transistor has limited current handling capabilities, which makes it suitable for use in applications where the current is relatively low.
Equivalents
The KSA1156YS can be replaced with other high-voltage switching transistors that have similar characteristics and specifications. Some examples of equivalent transistors include:
- KSA1157YS
- KSA1158YS
- 2N3906
- 2N3907
Frequently Asked Questions
Q: What is the maximum voltage rating of the KSA1156YS?
A: The maximum voltage rating of the KSA1156YS is 1000V.
Q: What is the maximum current handling capability of the KSA1156YS?
A: The maximum current handling capability of the KSA1156YS is 10A.
Q: Is the KSA1156YS suitable for use in high-frequency applications?
A: Yes, the KSA1156YS is suitable for use in high-frequency applications up to 100kHz.
Q: Can the KSA1156YS be used as a replacement for other high-voltage switching transistors?
A: Yes, the KSA1156YS can be used as a replacement for other high-voltage switching transistors that have similar characteristics and specifications.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Package | Bulk | Product Status | Active |
Transistor Type | PNP | Current - Collector (Ic) (Max) | 500 mA |
Voltage - Collector Emitter Breakdown (Max) | 400 V | Vce Saturation (Max) @ Ib, Ic | 1V @ 10mA, 100mA |
Current - Collector Cutoff (Max) | 100µA (ICBO) | DC Current Gain (hFE) (Min) @ Ic, Vce | 100 @ 100mA, 5V |
Power - Max | 1 W | Operating Temperature | 150°C (TJ) |
Mounting Type | Through Hole | Package / Case | TO-225AA, TO-126-3 |
Supplier Device Package | TO-126-3 | Base Product Number | KSA1156 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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KSA1156YS
PNP Transistor TO-126 400V 0.5A
Inventory:
6,200
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




