ASIA ELECTRONICS IND.CO.
ASIA ELECTRONICS BHM SERIES DC-DC CONVERTERS

Manufacturer: ASIA ELECTRONICS
Model: BHM Series
Features
- Low Profile 12.8mm
- Built-in Input Filter
- Input-Output Isolation
- High Efficiency 77~88%
- Wide Input Voltage Range
- High Reliability
- 6 Sided Metal Shielding
- Remote ON/OFF Control
- Adjustable Output Volt. ±5%
- Output Over Voltage Protection 115~140% Operation
- Operating Ambient Temperature −40℃~+85℃
- Max. Case Temperature +105℃
- Conformity to RoHS2 Directive
- Not built-in aluminum and tantalum electrolytic capacitor
Specifications
◆General Characteristics
Input Voltage, Range | DC5, 12, 24, 48V (See Table 1) |
Output Voltage, Current | See Table 1 |
Output Voltage Range | ±5% Adjustable |
Efficiency | See Table 1 |
Line Regulation | ±0.3% max. (at Vin Range) |
Load Regulation | Single: ±0.5% max. (0–100% Load) Dual: ±3% max. (10–100% Load) |
Reflected Input Ripple, Noise | (3% Vin) Vp-p max. |
Output Ripple | 40mVp-p max. 200mVp-p max. (48V Vout only) |
Output Noise | 100mVp-p max. 300mVp-p max. (48V Vout only) |
Short Circuit Protection | Built-in, Auto-restart (See Fig. 2) |
Over Voltage Protection | 115~140% of Output Voltage |
Remote ON/OFF Control | ON: Short or 0~0.8V OFF: Open or 2~10V (Between terminal ② ~ ③) |
Temperature Coefficient | 0.02%/℃ max. |
Operating Ambient Temp. | −40℃~+85℃ (See Fig. 1) −30℃~+85℃ (5V Vin only) |
Max. Case Temperature | +105℃ |
Storage Temperature | −40℃~+115℃ |
Isolation Voltage | AC1500V one minute (Input–Output–Case) |
Isolation Impedance | 100MΩ min. (at DC1000V) (Input–Output–Case) |
Weight | Main Body: 100g max. Heat Sink: 40g max. |
Humidity | 20~95% RH |
Shock | 490m/s² (11msec 3 directions) |
Vibration | 10~55Hz 98m/s² (30 minutes 3 directions) |
Surface Structure | 6 Sided Aluminum Case |
MTBF | Single: 1,000,000H Dual: 700,000H (Ta: 25℃, 80% Load, Nominal Vin) |
Warranty | 5 years |
◆Terminal Outs & Dimensions
Terminal Outs | |||
---|---|---|---|
Single Output | Dual Outputs | ||
① | +Vdc in | ① | +Vdc in |
② | 0 Vdc in | ② | 0 Vdc in |
③ | ON/OFF Control | ③ | ON/OFF Control |
④ | +Vdc out | ④ | +Vdc out |
⑤ | 0 Vdc out | ⑤ | Common |
⑥ | No Connection | ⑥ | −Vdc out |
◆Option Heat Sink
◆Special Guide
Model Number | Input Volt. (Range) (V. DC) | Output Voltage (V. DC) | Output Current (A) | Efficiency (Typical) (%) |
---|---|---|---|---|
BHM5-3.3S2A | 5 (4.5~9) | 3.3 | 2 | 83 |
BHM5-5S2A | 5 | 2 | 82 | |
BHM5-6S1.8A | 6 | 1.8 | 82 | |
BHM5-12S1A | 12 | 1 | 84 | |
BHM5-15S0.8A | 15 | 0.8 | 84 | |
BHM5-24S0.5A | 24 | 0.5 | 84 | |
BHM5-5D1A | ±5 | ±1 | 81 | |
BHM5-12D0.5A | ±12 | ±0.5 | 83 | |
BHM5-15D0.5A | ±15 | ±0.5 | 83 | |
BHM12-3.3S2.4A | 3.3 | 2.4 | 83 | |
BHM12-5S2.4A | 12 (8~18) | 5 | 2.4 | 83 |
BHM12-6S2A | 6 | 2 | 84 | |
BHM12-12S1.3A | 12 | 1.3 | 85 | |
BHM12-15S1A | 15 | 1 | 85 | |
BHM12-24S0.65A | 24 | 0.65 | 85 | |
BHM12-5D1.2A | ±5 | ±1.2 | 83 | |
BHM12-12D0.65A | ±12 | ±0.65 | 85 | |
BHM12-15D0.55A | ±15 | ±0.55 | 85 | |
BHM24-3.3S2.4A | 3.3 | 2.4 | 83 | |
BHM24-5S2.4A | 5 | 2.4 | 83 | |
BHM24-6S2A | 24 (16~36) | 6 | 2 | 84 |
BHM24-12S1.3A | 12 | 1.3 | 86 | |
BHM24-15S1A | 15 | 1 | 86 | |
BHM24-24S0.65A | 24 | 0.65 | 86 | |
BHM24-5D1.2A | ±5 | ±1.2 | 83 | |
BHM24-12D0.65A | ±12 | ±0.65 | 86 | |
BHM24-15D0.55A | ±15 | ±0.55 | 86 | |
BHM48-3.3S2.4A | 3.3 | 2.4 | 83 | |
BHM48-5S2.4A | 5 | 2.4 | 83 | |
BHM48-6S2A | 6 | 2 | 84 | |
BHM48-12S1.3A | 48 (32~76) | 12 | 1.3 | 86 |
BHM48-15S1A | 15 | 1 | 86 | |
BHM48-24S0.65A | 24 | 0.65 | 86 | |
BHM48-5D1.2A | ±5 | ±1.2 | 83 | |
BHM48-12D0.65A | ±12 | ±0.65 | 86 | |
BHM48-15D0.55A | ±15 | ±0.55 | 86 |
◆Block Diagram