Series A & SM

1.25W Isolated Proportional Low Profile DC-DC Converter

The A & SM series are unregulated DC-DC converters in an ultra-miniature encapsulated package – 0.500″ x 0.500″ footprint. Over 200 models are available in both single and dual outputs. They can operate over the temperature range of -25°C to +70°C without derating, a heat sink or active cooling.

Features

  • Up to 1.25W output at +70°C ambient
  • Encapsulated semiconductors, conservatively rated for maximum reliability
  • Ultra-miniature size – down to 0.300” height
  • 5 to 48V input models
  • Up to 250V output models
  • Up to 1000VDC isolation at 100MΩ
  • Input/output isolation
  • Single and dual output
  • Output voltage is directly proportional to input voltage
  • No heat sink or derating required

Options

  • Expanded operating temp: -55°C to +85°C
  • Select screening per MIL-STD-883:
    • Stabilization Bake: Ref. Method 1008
    • Temperature Cycle: Ref. Method 1010
    • Burn-In: Ref. Method 1015
  • Available RoHS Compliant module
  • Special Input Voltage, Output Voltage, Isolation Voltage or Output Power

Mounting

# of Outputs

Nominal Input Voltage (VDC)

Single Output Voltage (VDC)

Single Max Output Power (W)

Dual Output Voltage (VDC)

Dual Max Output Power (W)

Part Number SeriesMounting# of OutputsOutput TypeNominal Input Voltage (VDC)Single Output Voltage (VDC)Single Max Output Power (W)Dual Output Voltage (VDC)Dual Max Output Power (W)Downloads
5SM9SSMSurface MountSingleProportional591.25 – –
5SM9DSMSurface MountDualProportional5 – – ±9±0.625
5SM5SSMSurface MountSingleProportional551 – –
5SM5DSMSurface MountDualProportional5 – – ±5±0.5
5SM5.2SSMSurface MountSingleProportional55.21 – –
5SM48SSMSurface MountSingleProportional5481.25 – –
5SM48DSMSurface MountDualProportional5 – – ±48±0.625
5SM3.3SSMSurface MountSingleProportional53.31 – –
5SM28SSMSurface MountSingleProportional5281.25 – –
5SM28DSMSurface MountDualProportional5 – – ±28±0.625
5SM250SSMSurface MountSingleProportional52501.25 – –
5SM24SSMSurface MountSingleProportional5241.25 – –
5SM24DSMSurface MountDualProportional5 – – ±24±0.625
5SM200SSMSurface MountSingleProportional52001.25 – –
5SM15SSMSurface MountSingleProportional5151.25 – –
5SM15DSMSurface MountDualProportional5 – – ±15±0.625
5SM150SSMSurface MountSingleProportional51501.25 – –
5SM12SSMSurface MountSingleProportional5121.25 – –
5SM12DSMSurface MountDualProportional5 – – ±12±0.625
5SM100SSMSurface MountSingleProportional51001.25 – –
5A9SAThrough HoleSingleProportional591.25 – –
5A9DAThrough HoleDualProportional5 – – ±9±0.625
5A5SAThrough HoleSingleProportional551 – –
5A5DAThrough HoleDualProportional5 – – ±5±0.5
5A5.2SAThrough HoleSingleProportional55.21 – –
5A48SAThrough HoleSingleProportional5481.25 – –
5A48DAThrough HoleDualProportional5 – – ±48±0.625
5A3.3SAThrough HoleSingleProportional53.31 – –
5A28SAThrough HoleSingleProportional5281.25 – –
5A28DAThrough HoleDualProportional5 – – ±28±0.625
5A250SAThrough HoleSingleProportional52501.25 – –
5A24SAThrough HoleSingleProportional5241.25 – –
5A24DAThrough HoleDualProportional5 – – ±24±0.625
5A200SAThrough HoleSingleProportional52001.25 – –
5A15SAThrough HoleSingleProportional5151.25 – –
5A15DAThrough HoleDualProportional5 – – ±15±0.625
5A150SAThrough HoleSingleProportional51501.25 – –
5A12SAThrough HoleSingleProportional5121.25 – –
5A12DAThrough HoleDualProportional5 – – ±12±0.625
5A100SAThrough HoleSingleProportional51001.25 – –
48SM9SSMSurface MountSingleProportional4891.25 – –
48SM9DSMSurface MountDualProportional48 – – ±9±0.625
48SM5SSMSurface MountSingleProportional4851 – –
48SM5DSMSurface MountDualProportional48 – – ±5±0.5
48SM5.2SSMSurface MountSingleProportional485.21 – –
48SM3.3SSMSurface MountSingleProportional483.31 – –
48SM28SSMSurface MountSingleProportional48281.25 – –
48SM28DSMSurface MountDualProportional48 – – ±28±0.625
48SM24SSMSurface MountSingleProportional48241.25 – –
48SM24DSMSurface MountDualProportional48 – – ±24±0.625
48SM15SSMSurface MountSingleProportional48151.25 – –
48SM15DSMSurface MountDualProportional48 – – ±15±0.625
48SM12SSMSurface MountSingleProportional48121.25 – –
48SM12DSMSurface MountDualProportional48 – – ±12±0.625
48A9SAThrough HoleSingleProportional4891.25 – –
48A9DAThrough HoleDualProportional48 – – ±9±0.625
48A5SAThrough HoleSingleProportional4851 – –
48A5DAThrough HoleDualProportional48 – – ±5±0.5
48A5.2SAThrough HoleSingleProportional485.21 – –
48A3.3SAThrough HoleSingleProportional483.31 – –
48A28SAThrough HoleSingleProportional48281.25 – –
48A28DAThrough HoleDualProportional48 – – ±28±0.625
48A24SAThrough HoleSingleProportional48241.25 – –
48A24DAThrough HoleDualProportional48 – – ±24±0.625
48A15SAThrough HoleSingleProportional48151.25 – –
48A15DAThrough HoleDualProportional48 – – ±15±0.625
48A12SAThrough HoleSingleProportional48121.25 – –
48A12DAThrough HoleDualProportional48 – – ±12±0.625
28SM9SSMSurface MountSingleProportional2891.25 – –
28SM9DSMSurface MountDualProportional28 – – ±9±0.625
28SM5SSMSurface MountSingleProportional2851 – –
28SM5DSMSurface MountDualProportional28 – – ±5±0.5
28SM5.2SSMSurface MountSingleProportional285.21 – –
28SM48SSMSurface MountSingleProportional28481.25 – –
28SM48DSMSurface MountDualProportional28 – – ±48±0.625
28SM3.3SSMSurface MountSingleProportional283.31 – –
28SM28SSMSurface MountSingleProportional28281.25 – –
28SM28DSMSurface MountDualProportional28 – – ±28±0.625
28SM250SSMSurface MountSingleProportional282501.25 – –
28SM24SSMSurface MountSingleProportional28241.25 – –
28SM24DSMSurface MountDualProportional28 – – ±24±0.625
28SM200SSMSurface MountSingleProportional282001.25 – –
28SM15SSMSurface MountSingleProportional28151.25 – –
28SM15DSMSurface MountDualProportional28 – – ±15±0.625
28SM150SSMSurface MountSingleProportional281501.25 – –
28SM12SSMSurface MountSingleProportional28121.25 – –
28SM12DSMSurface MountDualProportional28 – – ±12±0.625
28SM100SSMSurface MountSingleProportional281001.25 – –
28A9SAThrough HoleSingleProportional2891.25 – –
28A9DAThrough HoleDualProportional28 – – ±9±0.625
28A5SAThrough HoleSingleProportional2851 – –
28A5DAThrough HoleDualProportional28 – – ±5±0.5
28A5.2SAThrough HoleSingleProportional285.21 – –
28A48SAThrough HoleSingleProportional28481.25 – –
28A48DAThrough HoleDualProportional28 – – ±48±0.625
28A3.3SAThrough HoleSingleProportional283.31 – –
28A28SAThrough HoleSingleProportional28281.25 – –
28A28DAThrough HoleDualProportional28 – – ±28±0.625
28A250SAThrough HoleSingleProportional282501.25 – –
28A24SAThrough HoleSingleProportional28241.25 – –
28A24DAThrough HoleDualProportional28 – – ±24±0.625
28A200SAThrough HoleSingleProportional282001.25 – –
28A15SAThrough HoleSingleProportional28151.25 – –
28A15DAThrough HoleDualProportional28 – – ±15±0.625
28A150SAThrough HoleSingleProportional281501.25 – –
28A12SAThrough HoleSingleProportional28121.25 – –
28A12DAThrough HoleDualProportional28 – – ±12±0.625
28A100SAThrough HoleSingleProportional281001.25 – –
24SM9SSMSurface MountSingleProportional2491.25 – –
24SM9DSMSurface MountDualProportional24 – – ±9±0.625
24SM5SSMSurface MountSingleProportional2451 – –
24SM5DSMSurface MountDualProportional24 – – ±5±0.5
24SM5.2SSMSurface MountSingleProportional245.21 – –
24SM48SSMSurface MountSingleProportional24481.25 – –
24SM48DSMSurface MountDualProportional24 – – ±48±0.625
24SM3.3SSMSurface MountSingleProportional243.31 – –
24SM28SSMSurface MountSingleProportional24281.25 – –
24SM28DSMSurface MountDualProportional24 – – ±28±0.625
24SM250SSMSurface MountSingleProportional242501.25 – –
24SM24SSMSurface MountSingleProportional24241.25 – –
24SM24DSMSurface MountDualProportional24 – – ±24±0.625
24SM200SSMSurface MountSingleProportional242001.25 – –
24SM15SSMSurface MountSingleProportional24151.25 – –
24SM15DSMSurface MountDualProportional24 – – ±15±0.625
24SM150SSMSurface MountSingleProportional241501.25 – –
24SM12SSMSurface MountSingleProportional24121.25 – –
24SM12DSMSurface MountDualProportional24 – – ±12±0.625
24SM100SSMSurface MountSingleProportional241001.25 – –
24A9SAThrough HoleSingleProportional2491.25 – –
24A9DAThrough HoleDualProportional24 – – ±9±0.625
24A5SAThrough HoleSingleProportional2451 – –
24A5DAThrough HoleDualProportional24 – – ±5±0.5
24A5.2SAThrough HoleSingleProportional245.21 – –
24A48SAThrough HoleSingleProportional24481.25 – –
24A48DAThrough HoleDualProportional24 – – ±48±0.625
24A3.3SAThrough HoleSingleProportional243.31 – –
24A28SAThrough HoleSingleProportional24281.25 – –
24A28DAThrough HoleDualProportional24 – – ±28±0.625
24A250SAThrough HoleSingleProportional242501.25 – –
24A24SAThrough HoleSingleProportional24241.25 – –
24A24DAThrough HoleDualProportional24 – – ±24±0.625
24A200SAThrough HoleSingleProportional242001.25 – –
24A15SAThrough HoleSingleProportional24151.25 – –
24A15DAThrough HoleDualProportional24 – – ±15±0.625
24A150SAThrough HoleSingleProportional241501.25 – –
24A12SAThrough HoleSingleProportional24121.25 – –
24A12DAThrough HoleDualProportional24 – – ±12±0.625
24A100SAThrough HoleSingleProportional241001.25 – –
15SM9SSMSurface MountSingleProportional1591.25 – –
15SM9DSMSurface MountDualProportional15 – – ±9±0.625
15SM5SSMSurface MountSingleProportional1551 – –
15SM5DSMSurface MountDualProportional15 – – ±5±0.5
15SM5.2SSMSurface MountSingleProportional155.21 – –
15SM48SSMSurface MountSingleProportional15481.25 – –
15SM48DSMSurface MountDualProportional15 – – ±48±0.625
15SM3.3SSMSurface MountSingleProportional153.31 – –
15SM28SSMSurface MountSingleProportional15281.25 – –
15SM28DSMSurface MountDualProportional15 – – ±28±0.625
15SM250SSMThrough HoleSingleProportional152501.25 – –
15SM24SSMSurface MountSingleProportional15241.25 – –
15SM24DSMSurface MountDualProportional15 – – ±24±0.625
15SM200SSMThrough HoleSingleProportional152001.25 – –
15SM15SSMSurface MountSingleProportional15151.25 – –
15SM15DSMSurface MountDualProportional15 – – ±15±0.625
15SM150SSMThrough HoleSingleProportional151501.25 – –
15SM12SSMSurface MountSingleProportional15121.25 – –
15SM12DSMSurface MountDualProportional15 – – ±12±0.625
15SM100SSMThrough HoleSingleProportional151001.25 – –
15A9SAThrough HoleSingleProportional1591.25 – –
15A9DAThrough HoleDualProportional15 – – ±9±0.625
15A5SAThrough HoleSingleProportional1551 – –
15A5DAThrough HoleDualProportional15 – – ±5±0.5
15A5.2SAThrough HoleSingleProportional155.21 – –
15A48SAThrough HoleSingleProportional15481.25 – –
15A48DAThrough HoleDualProportional15 – – ±48±0.625
15A3.3SAThrough HoleSingleProportional153.31 – –
15A28SAThrough HoleSingleProportional15281.25 – –
15A28DAThrough HoleDualProportional15 – – ±28±0.625
15A250SAThrough HoleSingleProportional152501.25 – –
15A24SAThrough HoleSingleProportional15241.25 – –
15A24DAThrough HoleDualProportional15 – – ±24±0.625
15A200SAThrough HoleSingleProportional152001.25 – –
15A15SAThrough HoleSingleProportional15151.25 – –
15A15DAThrough HoleDualProportional15 – – ±15±0.625
15A150SAThrough HoleSingleProportional151501.25 – –
15A12SAThrough HoleSingleProportional15121.25 – –
15A12DAThrough HoleDualProportional15 – – ±12±0.625
15A100SAThrough HoleSingleProportional151001.25 – –
12SM9SSMSurface MountSingleProportional1291.25 – –
12SM9DSMSurface MountDualProportional12 – – ±9±0.625
12SM5SSMSurface MountSingleProportional1251 – –
12SM5DSMSurface MountDualProportional12 – – ±5±0.5
12SM5.2SSMSurface MountSingleProportional125.21 – –
12SM48SSMSurface MountSingleProportional12481.25 – –
12SM48DSMSurface MountDualProportional12 – – ±48±0.625
12SM3.3SSMSurface MountSingleProportional123.31 – –
12SM28SSMSurface MountSingleProportional12281.25 – –
12SM28DSMSurface MountDualProportional12 – – ±28±0.625
12SM250SSMSurface MountSingleProportional122501.25 – –
12SM24SSMSurface MountSingleProportional12241.25 – –
12SM24DSMSurface MountDualProportional12 – – ±24±0.625
12SM200SSMSurface MountSingleProportional122001.25 – –
12SM15SSMSurface MountSingleProportional12151.25 – –
12SM15DSMSurface MountDualProportional12 – – ±15±0.625
12SM150SSMSurface MountSingleProportional121501.25 – –
12SM12SSMSurface MountSingleProportional12121.25 – –
12SM12DSMSurface MountDualProportional12 – – ±12±0.625
12SM100SSMSurface MountSingleProportional121001.25 – –
12A9SAThrough HoleSingleProportional1291.25 – –
12A9DAThrough HoleDualProportional12 – – ±9±0.625
12A5SAThrough HoleSingleProportional1251 – –
12A5DAThrough HoleDualProportional12 – – ±5±0.5
12A5.2SAThrough HoleSingleProportional125.21 – –
12A48SAThrough HoleSingleProportional12481.25 – –
12A48DAThrough HoleDualProportional12 – – ±48±0.625
12A3.3SAThrough HoleSingleProportional123.31 – –
12A28SAThrough HoleSingleProportional12281.25 – –
12A28DAThrough HoleDualProportional12 – – ±28±0.625
12A250SAThrough HoleSingleProportional122501.25 – –
12A24SAThrough HoleSingleProportional12241.25 – –
12A24DAThrough HoleDualProportional12 – – ±24±0.625
12A200SAThrough HoleSingleProportional122001.25 – –
12A15SAThrough HoleSingleProportional12151.25 – –
12A15DAThrough HoleDualProportional12 – – ±15±0.625
12A150SAThrough HoleSingleProportional121501.25 – –
12A12SAThrough HoleSingleProportional12121.25 – –
12A12DAThrough HoleDualProportional12 – – ±12±0.625
12A100SAThrough HoleSingleProportional121001.25 – –