CMFA
The CMFA series is a high-density full brick chassis mount DC/DC converter that incorporates the desired features required in today’s demanding low voltage bus applications. Its unique dual interleaved phase-shifted topology minimizes both input and output noise. When performance, reliability, and low cost are needed, the CMFA series delivers.
● 100% Burn In
● Chassis Mount
● Synchronizable
● Output Trim ±10%
● 1500VDC Isolation
● Operation to No Load
● Very Low Output Ripple
● Output Current up to 60A
● Fast Transient Response
● Fixed Switching Frequency
● 250-300 Watts Output Power
● Remote Sense Compensation
● Remote ON/OFF (Active High/Low)
● Short Circuit and Over Temperature Protection
● 90% Efficient at Half Load, 88% Efficient at Full Load
| Model Number |
Input Voltage |
Output Voltage |
Output Current |
Output Power (W) |
No. Outputs |
Case | Size | |
|---|---|---|---|---|---|---|---|---|
| CMFA12S43-250 | Input Voltage: 12/24 | Output Voltage: 43 | Output Current: 5.81A | Output Power (W): 250 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S48-250 | Input Voltage: 12/24 | Output Voltage: 48 | Output Current: 5.21A | Output Power (W): 250 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S12-300 | Input Voltage: 12/24 | Output Voltage: 12 | Output Current: 25A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S15-300 | Input Voltage: 12/24 | Output Voltage: 15 | Output Current: 20A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S20-300 | Input Voltage: 12/24 | Output Voltage: 20 | Output Current: 15A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S24-300 | Input Voltage: 12/24 | Output Voltage: 24 | Output Current: 12.5A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S26-300 | Input Voltage: 12/24 | Output Voltage: 26 | Output Current: 11.54A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S28-300 | Input Voltage: 12/24 | Output Voltage: 28 | Output Current: 10.71A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| CMFA12S5-300 | Input Voltage: 12/24 | Output Voltage: 5 | Output Current: 60A | Output Power (W): 300 | No. Outputs: S | Case: Chassis Mount | Size: 8" × 3.4" × 0.91" | Get a Quote |
| Specification | Value |
|---|---|
| Input | |
| Input Voltage (Nominal): | 12/24 |
| Input Voltage Range: | 10~36 |
| Remote ON/OFF: | Active High or Active Low |
| UVLO: | Yes |
| Input Frequency: | 0 Hz |
| Output | |
| Output Voltage: | 5, 12, 15, 20, 24, 26, 28, 43, 48 |
| Voltage Accuracy: | ±1% |
| Output Current: | 5.21A, 5.81A, 10.71A, 11.54A, 12.5A, 15A, 20A, 25A, 60A |
| Output Power (Watts): | 250, 300 |
| Output Trim/Adjustability: | ±10% |
| Short Circuit Protection: | Continuous, Self Re-setting |
| General | |
| Efficiency: | 90% typical |
| Isolation: | 1500VDC |
| Environmental | |
| Operating Temperature: | -40 - +100°C |
| Storage Temperature: | -55 to +125°C |
| Physical | |
| Weight: | 11 oz. |
| Dimensions: | 8in. × 3.4in. × 0.91in. |
| Shielding: | Six-Sided |
| Notes & safety | |
| Notes: | 1. Pin to pin tolerance ± 0.01" [±0.3mm]. Pin diameter tolerance ±0.005" [±0.13mm]. 2. Case material of the DC/DC converter: 0.040" [1.02mm] thick, aluminum alloy 3003-0, Per: QQA 250/2. 3. Unit comes with either 6-32x.281 threaded thru inserts for the chassis mount board or for Ø.125 thru-hole for the chassis mount board add the suffix "TH" to the model part number. Ex: CMFA12S24-300TH. 4. For Heat sink add "HS" suffix to the model part number. Example: CMFA12S24-300HS. 5. Active High Enable is standard; for Active Low Enable add "R" suffix to the model number. Ex: CMFA12S24-300R. Due to advances in technology, specifications are subject to change without notice. |
| Safety Approvals: | OE60950-1, RN60950-1, IEC60950-1 |
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