STP11NK50ZFPAlternatives & Equivalent Parts
About STP11NK50ZFP
STP11NK50ZFP is a MOSFET (N-Channel) component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STP11NK50ZFPSource | STP11NK40ZFP | STP11NK50Z | STP11NK40Z |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 3 | 3 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | ~ 150.0°C | ~ 150.0°C |
| Price | $0.9783 | $0.8600 | $1.0600 | $0.5096 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 13 Weeks | — | 13 Weeks | 13 Weeks |
| Date Of Intro | 1980-01-04 | — | — | — |
| YTEOL | 5.9 | 5.9 | 5.9 | 5.9 |
| Additional Feature | AVALANCHE RATED | HIGH RELIABILITY | AVALANCHE RATED | HIGH RELIABILITY |
| Avalanche Energy Rating (Eas) | 190 mJ | 190 mJ | 190 mJ | 190 mJ |
| Case Connection | ISOLATED | ISOLATED | — | — |
| Configuration | SINGLE WITH BUILT-IN DIODE | SINGLE WITH BUILT-IN DIODE | SINGLE WITH BUILT-IN DIODE | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | 500 V | 400 V | 500 V | 400 V |
| Drain Current-Max (ID) | 10 A | 9 A | 10 A | 9 A |
| Drain-source On Resistance-Max | 0.52 Ω | 0.55 Ω | 0.52 Ω | 0.55 Ω |
| FET Technology | METAL-OXIDE SEMICONDUCTOR | METAL-OXIDE SEMICONDUCTOR | METAL-OXIDE SEMICONDUCTOR | METAL-OXIDE SEMICONDUCTOR |
| JEDEC-95 Code | TO-220AB | TO-220AB | TO-220AB | TO-220AB |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-PSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Number of Elements | 1 | 1 | 1 | 1 |
| Operating Mode | ENHANCEMENT MODE | ENHANCEMENT MODE | ENHANCEMENT MODE | ENHANCEMENT MODE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT |
| Polarity/Channel Type | N-CHANNEL | N-CHANNEL | N-CHANNEL | N-CHANNEL |
| Power Dissipation-Max (Abs) | 30 W | 30 W | 125 W | 110 W |
| Pulsed Drain Current-Max (IDM) | 40 A | 36 A | 40 A | 36 A |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | NO | NO | NO | NO |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Position | SINGLE | SINGLE | SINGLE | SINGLE |
| Transistor Application | SWITCHING | SWITCHING | SWITCHING | SWITCHING |
| Transistor Element Material | SILICON | SILICON | SILICON | SILICON |
| Peak Reflow Temperature (Cel) | — | — | — | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | NOT SPECIFIED |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for STP11NK50ZFP — response within 24 hours.
Quick Links
Power Field-Effect Transistor, 9A I(D), 400V, 0.55ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB
Power Field-Effect Transistor, 10A I(D), 500V, 0.52ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB
Power Field-Effect Transistor, 9A I(D), 400V, 0.55ohm, 1-Element, N-Channel, Silicon, Metal-oxide Semiconductor FET, TO-220AB
Why Look for Alternatives?
Finding alternatives for STP11NK50ZFP is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STP11NK50ZFP replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to STP11NK50ZFP?
Known equivalents for STP11NK50ZFP include STP11NK40ZFP, STP11NK50Z, STP11NK40Z. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STP11NK50ZFP?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STP11NK50ZFP alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.