Alternatives to onsemi MMBT2222ALT1
onsemi MMBT2222ALT1 and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
Equivalent and substitute parts for onsemi MMBT2222ALT1
 MMBT2222ALT1onsemi |  SMMBT2222ALT1Gonsemi |  MMBT2222A-TPMCC (Micro Commercial Components) | +1more | |
|---|---|---|---|---|
| FFF Compatibility | Matches package SOT-23 (TO-236) and identical pin assignment (Pin 1: Base, Pin 2: Emitter, Pin 3: Collector) exactly.Identical SOT-23 physical package size and mounting style.Meets or exceeds all performance specifications of the obsolete part with the benefit of AEC-Q101 certification. | The pin functions (Pin 1: Base, Pin 2: Emitter, Pin 3: Collector) match, but the datasheet labels them as 'SOT-23' with pin names 'Base, Emitter, Collector' instead of 'BASE, EMITTER, COLLECTOR' in all caps.Standard SOT-23 package outline with fully compatible land pattern.All electrical safety and performance ceilings meet or exceed the obsolete target part. | ||
 AI Summary | MMBT2222ALT1 by onsemi: Bipolar (BJT) Transistor NPN 40 V 600 mA 300MHz 225 mW Surface Mount SOT-23-3 (TO-236). | This is the automotive-grade AEC-Q101 qualified variant of the original part, providing identical electrical and physical characteristics with higher reliability standards.
| This is a highly popular general-purpose NPN alternative that offers excellent compatibility and superior power dissipation performance.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | Discontinued | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— | |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— | |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— | |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— | |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— |
Unlock all 3 alternatives
Sign in with your work email to read every gated row on this table — description, lead time, origin, export control and the full technical data.
Sign in to unlockSigning in creates a free Parter account. We use your name and email to contact you about Parter — see our Privacy Policy.
- Find & compare verified second sources
- Spot risk early with real-time part monitoring
- Stay compliant and production-ready
Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 MMBT2222Aonsemi | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 MMBT2222A,215Nexperia | In stock | Active | 6Alternatives availableSee Alternatives |
| MMBT2907ALT1onsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
 MMBZ5242BLT1onsemi | Discontinued | Obsolete | 6Alternatives availableSee Alternatives |
| MMBT3904LT1onsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 MMBT2907ASTMicroelectronics | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
You searched one part. Parter watches your whole BOM.
All your BOM, at once
Parter maps every line to live stock, lead time, lifecycle and compliance data across the entire market — not part by part.
Hear about problems before they hit production
Allocation, EOL and last-time-buy notices surface the moment they appear, not when your buyer's PO bounces.
Qualified replacements in minutes, not days
Every at-risk line gets form-fit-function matches like the ones above — deltas flagged, evidence attached. Review, push to your BOM, and Parter starts watching the new part too.
Schedule a demo
See Parter in action
Discover how Parter can help your hardware team:
- Streamline your hardware operations with AI
- Detect and prevent lifecycle disruptions
- Accelerate product development
- Stay compliant and production-ready