ONSEMI MC78M12CDT 500 mA Positive Linear Voltage Regulator — 12 V fixed output, 500 mA, 14.5 V to 35 V input range, DPAK-3 surface mount package. 2 tubes of 75 pieces each (150 pcs total), date code 18+. Features internal thermal overload protection, short circuit current limiting, and safe-area compensation, requiring no external components for stable on-card voltage regulation.
Available in stock — ships within 3 days after payment.
Product overview
| Part number | MC78M12CDT |
| Date code | 18+ |
| Product type | 500 mA positive linear voltage regulator IC |
| Output voltage | 12 V fixed (11.5 V min – 12.5 V max @ 25°C) |
| Output polarity | Positive |
| Input voltage range | 14.5 V to 35 V |
| Output current (max) | 500 mA |
| Peak output current | 700 mA typical |
| Dropout voltage | 2.0 V typical @ 25°C |
| Line regulation | 8.0 mV typical, 50 mV max (14.5–30 V, 200 mA) |
| Load regulation | 25 mV typical, 240 mV max (5–500 mA) |
| Ripple rejection | 55 dB min, 80 dB typical @ 120 Hz |
| Short circuit current limit | 350 mA typical (VI = 35 V) |
| Operating junction temperature | 0°C to +125°C |
| Package | DPAK-3 (Case 369C), surface mount |
| RoHS compliance | Yes — Pb-free |
| Quantity | 150 pieces (2 tubes × 75 pcs) |
| Condition | New — original packaging (OVP) |
Applications
- Local on-card 12 V rail regulation in industrial and consumer electronics
- Power supply regulation for relays, sensors, and motor driver circuits
- Embedded systems and PCB designs requiring robust short circuit and thermal protection
- General-purpose 12 V regulation in automotive accessory and industrial equipment designs
Shipping
- Ships within 3 days after payment
- Secure packaging for safe delivery
- Free delivery within Germany
Warranty & compliance
- 12-month warranty included
- Product is fully compliant with EU industry standards
- VAT invoice included with every order
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