Comparators
Use the filters and product table below to compare Comparators components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Type | Number of Bits | Output | Output Function | Voltage - Supply | Current - Output High, Low | Max Propagation Delay @ V, Max CL | Current - Quiescent (Iq) | Operating Temperature | Grade | Qualification | Supplier Device Package | Mounting Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
QS74FCT521CTS0IC COMPARATOR IDENTITY 8BIT |
6,212 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | - | - | - | - | - |
|
|
QS74FCT521CTSOXIC COMPARATOR IDENTITY 8BIT |
5,000 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | - | - | - | - | - |
|
|
QS74FCT521BTS0IC COMPARATOR IDENTITY 8BIT |
4,368 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | - | - | - | - | - |
|
|
QS74FCT521CTS0XIC COMPARATOR IDENTITY 8BIT |
1,000 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | - | - | - | - | - |
|
QS74FCT521ATSOIC COMPARATOR IDENTITY 8BIT |
11,426 | - |
|
Datasheet | 74FCT | - | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | 0°C ~ 70°C | - | - | - | Surface Mount |
|
QS74FCT2521ATQIC COMPARATOR IDENTITY 8BIT |
5,748 | - |
|
Datasheet | 74FCT | - | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | 0°C ~ 70°C | - | - | - | Surface Mount |
|
|
QS74FCT2521BTSOIC COMPARATOR IDENTITY 8BIT |
248 | - |
|
Datasheet | 74FCT | - | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | 0°C ~ 70°C | - | - | - | Surface Mount |
|
|
QS74FCT2521CTSOIC COMPARATOR IDENTITY 8BIT |
473 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | 0°C ~ 70°C | - | - | - | - |
|
|
QS74FCT521DTQIC COMPARATOR IDENTITY 8BIT |
4,528 | - |
|
Datasheet | 74FCT | - | Bulk | Active | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | - | - | - | - | - |
|
|
QS74FCT521DTSOIC COMPARATOR IDENTITY 8BIT |
4,479 | - |
|
Datasheet | 74FCT | - | Bulk | Obsolete | Identity Comparator | 8 | Active Low | A=B | 4.75V ~ 5.25V | - | - | - | 0°C ~ 70°C | - | - | - | Surface Mount |
Comparators FAQ
Common questions about filtering, comparing and sourcing Comparators components.
How can I narrow the Comparators selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Comparators part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
