661-5299 - Apple 250-Watts Power Supply for iMac 21.5-inch Late 2009

Here are the technical specifications for the Apple 250-Watts Power Supply for iMac 21.5-inch Late 2009:

1. Compatibility: iMac 21.5-inch Late 2009
2. Power Output: 250 watts
3. Input Voltage: 100-240V AC
4. Frequency: 50-60Hz
5. Efficiency: 80% typical
6. Cooling System: Single, temperature-controlled fan
7. Connectors: 24-pin ATX, 4-pin ATX12V, 4-pin Molex, SATA
8. Dimensions: 8.5 x 3.5 x 2.5 inches
9. Weight: 1.5 pounds
10. Safety: Over-voltage, over-current, and short-circuit protection
11. Regulatory Compliance: FCC, CE, RoHS
12. Manufacturer: Apple Inc.

Helpful notes:
1. This power supply is only compatible with the iMac 21.5-inch Late 2009 model.
2. The power supply has a single temperature-controlled fan for efficient cooling.
3. It has built-in safety features to protect against over-voltage, over-current, and short-circuit issues.