Alternatives to MULTICOMP PRO BC640
MULTICOMP PRO BC640 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 MULTICOMP PRO BC640
 BC640MULTICOMP PRO |  BC640TAonsemi |  2N5401onsemi | |
|---|---|---|---|
| FFF Compatibility | The package is TO-92-3 with the identical ECB pin configuration (Pin 1: Emitter, Pin 2: Collector, Pin 3: Base) matching the original BC640.Housed in an identical through-hole TO-92 (TO-226) package shape and lead style.Matches or exceeds all key parameters, including an identical 80 V collector-emitter breakdown voltage and higher current/power capacities. | The pinout is EBC (Pin 1: Emitter, Pin 2: Base, Pin 3: Collector), which differs from the ECB layout of BC640 and requires manual lead bending.Standard TO-92-3 through-hole package with similar outline dimensions.Provides excellent high-voltage handling (150 V) and comparable collector current (600 mA). | |
 AI Summary | BC640 by MULTICOMP PRO: Bipolar (BJT) Single Transistor, PNP, 80 V, 1 A, 800 mW, TO 92, Through Hole. | The onsemi BC640TA is a direct, fully-compatible drop-in alternative that maintains the exact pinout of the original part while providing enhanced current and power ratings.
| The 2N5401 is a highly popular, rugged high-voltage alternative, but it has a different pinout configuration (EBC vs ECB) that requires manual crossing/bending of the leads during installation.
|
| Lifecycle Status | Active | Active | Obsolete |
| Market Availability | In stock | In stock | Discontinued |
| REACH | REACH | REACH | REACH |
| RoHS | RoHS | RoHS | RoHS |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— |
| ——— ———— | ————— ——— ———— | ———— —————— | —— ————— ——— |
| —————— —— | ——————— ———— | ————— ——— ———— | ———— —————— |
| ———— ——— | —— ————— ——— | ——————— ———— | ————— ——— ———— |
| —— ————— | ———— —————— | —— ————— ——— | ——————— ———— |
Unlock the full comparison
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 |
|---|---|---|---|
 MMBT3640onsemi | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
 BAS40Diodes Incorporated | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 BC847Consemi | In stock | Obsolete | 6Alternatives availableSee Alternatives |
| BC847BLUGUANG ELECTRONIC | Non-stock | Unknown | 4Alternatives availableSee Alternatives |
 BC847BMULTICOMP PRO | In stock | Active | 4Alternatives availableSee Alternatives |
 BC847Sonsemi | In stock | Obsolete | 2Alternatives 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