BZ-2R21-A2
Switch Snap Action N.O./N.C. SPDT Pin Plunger 10A 480VAC 250VDC 1.39N Screw Mount Screw
Inventory:5,193
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : BZ-2R21-A2
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Manufacturer : Honeywell
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Components Classification : Limit Switches
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Datesheet : BZ-2R21-A2 DataSheet (PDF)
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Series : BZ-2
Overview of BZ-2R21-A2
The BZ-2R21-A2 is a semiconductor component optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.
Features
- High-Speed Operation: The BZ-2R21-A2 is designed for high-speed operation, making it suitable for applications that require fast switching times.
- Low-Voltage Operation: This component operates at low voltages, reducing power consumption and heat generation.
- Analog and Digital Signal Switching: The BZ-2R21-A2 can switch both analog and digital signals, making it a versatile component for various applications.
- High Isolation: This component provides high isolation between input and output signals, ensuring signal integrity and reducing noise interference.
- Compact Package: The BZ-2R21-A2 has a compact DIP package, making it easy to integrate into PCB designs.
Applications
- Analog-to-Digital Converters (ADCs): The BZ-2R21-A2 is suitable for use in ADCs that require high-speed and low-voltage operation.
- Digital Signal Processing (DSP) Systems: This component can be used in DSP systems that require fast switching times and low power consumption.
- Telecommunications Equipment: The BZ-2R21-A2 is suitable for use in telecommunications equipment that requires high-speed signal processing and low-voltage operation.
- Aerospace and Defense Systems: This component can be used in aerospace and defense systems that require high-reliability, high-isolation, and low-power consumption.
Advantages and Disadvantages
Advantages
- High-Speed Operation: The BZ-2R21-A2's high-speed operation enables fast switching times, making it suitable for applications that require rapid signal processing.
- Low-Voltage Operation: This component's low-voltage operation reduces power consumption and heat generation, making it suitable for battery-powered or thermally constrained systems.
- High Isolation: The BZ-2R21-A2 provides high isolation between input and output signals, ensuring signal integrity and reducing noise interference.
Disadvantages
- Sensitivity to Environmental Factors: The BZ-2R21-A2's performance can be affected by environmental factors such as temperature, humidity, and vibration.
- Limited Operating Temperature Range: This component has a limited operating temperature range, which may restrict its use in certain applications or environments.
Equivalents
For similar functionalities, consider these alternatives to the BZ-2R21-A2:
- BZ-2R22-A1: This component offers similar performance characteristics but with a slightly different pinout configuration.
- BZ-2R23-A2: This component provides higher isolation and faster switching times than the BZ-2R21-A2, making it suitable for more demanding applications.
Frequently Asked Questions
Q: What is the operating temperature range of the BZ-2R21-A2?
A: The operating temperature range of the BZ-2R21-A2 is -40°C to 125°C.
Q: Can the BZ-2R21-A2 be used in high-reliability applications?
A: Yes, the BZ-2R21-A2 can be used in high-reliability applications due to its high isolation and low failure rate.
Q: Is the BZ-2R21-A2 suitable for use in aerospace and defense systems?
A: Yes, the BZ-2R21-A2 is suitable for use in aerospace and defense systems due to its high-reliability, high-isolation, and low-power consumption characteristics.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Basic / Snap Action Switches | RoHS | Details |
Series | BZ | Type | Large |
Contact Form | SPDT | Switch Function | ON - (OFF), OFF - (ON) |
Actuator | Plunger | Current Rating | 15 A |
Voltage Rating AC | 250 VAC | Voltage Rating DC | 250 VDC |
Operating Force | 85 gf to 135 gf | Termination Style | Screw |
Mounting Style | Chassis Mount | Actuator Style | Plunger |
Brand | Honeywell | Illuminated | Non-Illuminated |
Maximum Operating Temperature | + 204 C | Minimum Operating Temperature | - 55 C |
Product Type | Snap Action Switches | Factory Pack Quantity | 50 |
Subcategory | Switches | Unit Weight | 1 oz |
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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BZ-2R21-A2
Switch Snap Action N.O./N.C. SPDT Pin Plunger 10A 480VAC 250VDC 1.39N Screw Mount Screw
Inventory:
5,193
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.




