| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| TLC555MFK | Texas Instruments | Check for Price | 1 Func, 1.2MHz, CMOS, CQCC20 | SE555FKB vs TLC555MFK |
| 5962-89503012A | Texas Instruments | Check for Price | 1 Func, 1.2MHz, CMOS, CQCC20 | SE555FKB vs 5962-89503012A |
Part Details for SE555FKB by Texas Instruments
Results Overview of SE555FKB by Texas Instruments
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
SE555FKB Information
SE555FKB by Texas Instruments is an Analog Waveform Generation Function.
Analog Waveform Generation Functions are under the broader part category of Signal Circuits.
A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.
Price & Stock for SE555FKB
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | 1 Func, BIPolar, CQCC20 | 8120 |
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RFQ |
US Tariff Estimator: SE555FKB by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
SE555FKB Part Data Attributes
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SE555FKB
Texas Instruments
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Datasheet
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Compare Parts:
SE555FKB
Texas Instruments
1 Func, BIPolar, CQCC20
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | QLCC | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Additional Feature | Can Also Operate From A 15v Nominal Supply | |
| Analog IC - Other Type | Pulse; Rectangular | |
| JESD-30 Code | S-CQCC-N20 | |
| JESD-609 Code | e0 | |
| Length | 8.89 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | Ceramic, Metal-Sealed Cofired | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20,.35SQ | |
| Package Shape | Square | |
| Package Style | Chip Carrier | |
| Qualification Status | Not Qualified | |
| Screening Level | 38535q/M;38534h;883b | |
| Seated Height-Max | 2.03 Mm | |
| Supply Current-Max (Isup) | 12 Ma | |
| Supply Voltage-Max (Vsup) | 18 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Military | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | No Lead | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Quad | |
| Width | 8.89 Mm |
Alternate Parts for SE555FKB
This table gives cross-reference parts and alternative options found for SE555FKB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SE555FKB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
SE555FKB Frequently Asked Questions (FAQ)
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The recommended operating voltage range for the SE555FKB is 4.5V to 15V, although it can operate up to 18V with reduced performance.
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To ensure reliable oscillator startup, connect a 1kΩ to 10kΩ resistor between pin 2 (trigger) and pin 6 (threshold), and a 0.01μF to 0.1μF capacitor between pin 2 and ground.
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The SE555FKB can operate up to 2.1MHz, but the maximum frequency is dependent on the values of the external resistors and capacitors used in the oscillator circuit.
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While the SE555FKB can be used as a voltage regulator, it's not recommended due to its limited current sourcing capability (200mA) and lack of built-in voltage regulation features. A dedicated voltage regulator IC is a better choice.
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To reduce power consumption, use a lower operating voltage, minimize the value of the resistors in the oscillator circuit, and consider using a CMOS version of the 555 timer (e.g., TLC555) which has lower power consumption.