2N5457 Central Semiconductor JFET (N-Channel) (Other) In Stock
2N5457 is a Central Semiconductor single N-channel JFET for low-noise switching and amplifier stages. Key specs include 25 V DS breakdown and 3 pF Crss. From $ pricing, in stock worldwide shipping.
- Manufacturer
- Central Semiconductor
- Package
- Other
- Pin Count
- 3
- Lifecycle
- TRANSFERRED
- Datasheet
- 2N5457 Datasheet PDF
- Category
- JFET (N-Channel)
- Temp Range
- ?°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 2N5457?
- Single N-channel junction FET configuration for analog switching and amplifier bias circuits
- 25 V minimum drain-source breakdown voltage supports common low-voltage signal paths
- 3 pF maximum reverse transfer capacitance helps reduce high-frequency feedback loading
- Low-noise characteristic suits sensor, audio, and instrumentation front ends
- TO-92 / JEDEC O-PBCY-W3 style through-hole form factor for legacy board designs
What is 2N5457 used for?
Use 2N5457 in low-noise amplifier inputs, analog switches, sensor interfaces, and impedance-buffer stages where a single N-channel JFET is preferred. It fits maintenance, repair, and legacy production builds that specify TO-92-style discrete semiconductors with 25 V class breakdown ratings.
What are the specifications of 2N5457?
| Pbfree Code | No |
| YTEOL | 6.57 |
| Additional Feature | LOW NOISE |
| Configuration | SINGLE |
| DS Breakdown Voltage-Min | 25V |
| FET Technology | JUNCTION |
| Feedback Cap-Max (Crss) | 3pF |
| JEDEC-95 Code | TO-92 |
| JESD-30 Code | O-PBCY-W3 |
| JESD-609 Code | e0 |
| Number of Elements | 1 |
| Operating Mode | DEPLETION MODE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Polarity/Channel Type | N-CHANNEL |
| Power Dissipation-Max (Abs) | 0.31W |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | WIRE |
| Terminal Position | BOTTOM |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
Where can I find the 2N5457 datasheet?
2N5457 Datasheet DownloadOfficial datasheet from Central Semiconductor
What are equivalent replacements for 2N5457?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does 2N5457 fit low-noise analog front-end designs?
2N5457 is listed as a single N-channel junction FET with a low-noise feature, 25 V minimum drain-source breakdown, and 3 pF maximum Crss for small-signal analog stages.
Which mechanical format should purchasing teams plan for on existing boards?
The fetched context identifies JEDEC TO-92 and JESD-30 O-PBCY-W3 style packaging, so buyers should verify 3 pins and lead forming against the approved drawing.
How should compliance teams treat lead-free requirements for this Central Semiconductor part?
The context shows Pbfree Code: No and JESD-609 e0, so teams needing RoHS-aligned builds should document the 25 V JFET substitution or waiver path.
What parameters matter most when qualifying alternates for 2N5457?
Keep the replacement to a single N-channel JFET and compare at least the 25 V DS breakdown, 3 pF Crss limit, noise behavior, and TO-92 pinout.
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