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LOW VOLTAGE POWER CONVERSION
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SDS is the exclusive distributor in Europe for Bellnix® products. Based in Japan, Bellnix® is widely recognized as an expert in the field of low-voltage power conversion.
Point-Of-Load (POL) DC-DC converter modules :
- high-speed response BSV series (from 0.6V to 3.3V at up to 12A)
- ultra-small BK series (from 0.6V to 3.3V at up to 6A)
These non-isolated converters are useful in FPGA (Field Programmable Gate Array) and microprocessor applications that require high efficiency, small size and adjustable voltage. They can be installed close to the load. The BSV series are capable of responding to high-speed load transients while the low-cost BK series save space with only 3 external capacitors!
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Series |
Power
(W) |
Input
Voltage
Range
(Vdc) |
Output
Voltage
Range
(Vdc) |
Output
Current
Range
(A) |
Ripple
(mV
pp) |
Efficiency
% |
*Case |
RoHS
Compliance |
Representation |
Product Datasheets |
| 1 |
Bellnix®
BSV-
light A
13W
Series |
13 |
4.5
(3.0-5.5) |
1.8
(1.0-3.3) |
3-5 |
30 |
84 |
SIP
DIP
SMD |
yes |
 |
BSV-1.8S5R0LA
BSV-1.8S5R0DLA
BSV-1.8S5R0SLA |
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| 2 |
Bellnix®
BSV-A
20W
Series
|
20 |
5.0
(3.0-5.5) |
3.3
(0.8-3.6) |
0-6 |
40 |
93 |
SIP
DIP
SMD |
yes |
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BSV-3.3S6R0A
BSV-3.3S6R0DA
BSV-3.3S6R0SA |
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| 3 |
Bellnix®
BSV-m3,
m6, m8
Series
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9.9
19.8
26.4 |
5.0
(3.0-5.5) |
3.3
(1.0-3.3) |
0-3
0-6
0-8 |
30
50
50 |
96
94
96 |
SMD |
yes |
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BSV-3.3S3R0M
BSV-3.3S6R0M
BSV-3.3S8R0M |
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| 4 |
Bellnix®
BSV-H
Series
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18
39.6 |
5.0
(3.0-5.5) |
1.5 (0.6-1.5)
3.3 (0.8-3.3) |
0-12 |
30 |
87
93 |
SMD |
yes |
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BSV-1.5S12R0H
BSV-3.3S12R0H |

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| 5 |
Bellnix®
BSV-H
22A
Series
|
33 |
5.0
(3.0-5.5) |
1.5
(0.6-1.5) |
0-22 |
30 |
87 |
SMD |
yes |
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BSV-1.5S22R0H |

(in
Japanese
only) |
| 6 |
Bellnix®
BK
Series
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3.3
9.9
19.8 |
2.4-5.5 |
0.6-3.3
0.8-3.3
0.8-3.3 |
0-1
0-3
0-6 |
- |
- |
20-pin QFN
44-pin QFN
58-pin QFN |
yes |
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BK5301CQ
BK5303GQ
BK5306GQ |


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*Case: SIP=Single In-line Package, DIP=Dual In-Line Package, SMD=Surface Mount Device |
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Isolated DC-DC converter modules :
- ultra small size, single and dual output BTx series (from 3.3V to ±15V at 1.5W to 25W)
These low noise isolated converters are adjustable in output voltage and present a remote ON/OFF control function.
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Series |
Power
(W) |
Input
Voltage
Range (Vdc) |
Output
Voltage
Rang
(Vdc) |
Output
Current
Rang (A) |
Ripple
(mV
pp) |
Efficiency
% |
*Case |
RoHS
Compliance |
Representation |
Product Datasheets |
| 1 |
Bellnix®
BTA 1.5W Series |
1.5 |
5, 12, 24, 48 |
3.3
5
12 (15)
±12 (±15) |
0-400
0-300
0-125 (100)
0-60 (50) |
40
40
30
30 |
71
77
81
79 |
DIP
SMD |
yes |
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BTAx-03S40
BTAx-05S30
BTAx-12S12
BTAx-12W06 |

(in Japanese
only) |
| 2 |
Bellnix®
BTB 3W Series |
3 |
5, 12, 24, 48 |
3.3
5
12 (15)
±12 (±15) |
0-800
0-600
0-250 (200)
0-125 (100) |
40
40
30
30 |
73
78
82
80 |
DIP
SMD |
yes |
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BTBx-03S80
BTBx-05S60
BTBx-12S25
BTBx-12W12 |

(in Japanese
only) |
| 3 |
Bellnix®
BTC 6W Series |
6 |
5, 12, 24, 48 |
3.3
5
12 (15)
±12 (±15) |
0-1200
0-1200
0-500 (400)
0-250 (200) |
40
40
30
30 |
77
81
85
85 |
DIP
SMD |
yes |
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BTCx-03S120
BTCx-05S100
BTCx-12S50
BTCx-12W25 |
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| 4 |
Bellnix®
BTD 10W Series |
10 |
5, 12, 24, 48 |
3.3
5
12 (15)
±12 (±15) |
0-2500
0-2000
0-1000 (800)
0-450 (360) |
40
40
30
30 |
84
85
86
85 |
DIP
SMD |
yes |
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BTDx-03S250
BTDx-05S200
BTDx-12S80
BTDx-12W40 |
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| 5 |
Bellnix®
BTE 15W Series |
15 |
24 |
3.3
5 |
0-4500
0-3000 |
40
40 |
89
89 |
DIP
SMD |
yes |
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BTE24-03S450
BTE24-05S300 |
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| 6 |
Bellnix®
BTF 25W Series |
25 |
24 |
3.3
5 |
0-7500
0-5000 |
40
40 |
90
90 |
DIP
SMD |
yes |
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BTF24-03S750
BTF24-05S500 |
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*Case: DIP=Dual In-Line Package, SMD=Surface Mount Device |
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Isolated AC-DC power supplies :
- switching resonant power supply, single and dual output BLN Series (from -15V to +24V at 15W, 30W or 60W)
These isolated very low noise power supplies are useful in medical, measurement, analysis and control applications. They are UL1950, CSA950 and EN60950 approved.
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Other product lines :
Click on any one of the items above to download the complete data sheet(s) in Adobe PDF format. Although we try to maintain our information as up-to-date as possible, the indicated specifications are subject to change without notice. To request information regarding delivery schedules, prices or for any other subject of interest for you, please fill out the form CONTACT US.
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