Quarter Brick Series-DCDC Isolation Module
For this series, output voltage covers 3.3V, 5V, 12V, 15V, 24V, 28V, 48V, 54V, etc., power is from 81W to 800W, efficiency is up to 96.5%, support remote Sense, voltage Trim, input rem enabled and so on, can be widely used in the fields of communication, data transmission and distributed power supply system.
  • Model Selector
  • Technical Data
  • Features
  • Related products
QSQ03-24S48-LB-CG 9-36Vdc 48V/2.5A 120W 88% 480mV Negative logic Baseplate
QSR12-24S12-L-CG 18-36Vdc 12V/12.5A 150W 93.5% 200mV Negative logic Open frame
QSR42-24S12-LB-CG* 18-36Vdc 12V/42A 504W 95% 200mV Negative logic Baseplate
QSR18-24S28-LB-CG* 18-36Vdc 28V/18A 504W 95% 280mV Negative logic Baseplate
QSQ25-36S3V3-LBG 18-75Vdc 3.3V/25A 82.5W 91% 120mV Negative logic Baseplate
QSQ30-36S5-LB-CG* 18-75Vdc 5V/30A 150W 92% 100mV Negative logic Baseplate
QSQ10-36S12-LBG 18-75Vdc 12V/10A 120W 92.5% 200mV Negative logic Baseplate
QSQ25-36S12-LB-CG 18-75Vdc 12V/25A 300W 93% 200mV Negative logic Baseplate
QSQ08-36S24-LB-CG 18-75Vdc 24V/8.3A 200W 93.8% 200mV Negative logic Baseplate
QSQ13-36S24-LB-CG 18-75Vdc 24V/12.5A 300W 93% 200mV Negative logic Baseplate
QSR06-48D12-LG** 36-75Vdc ±12V/±3A 72W 90% 150mV Negative logic Open frame
QSR25-48S3V3-L-CG5** 36-75Vdc 3.3V/25A 82.5W 91% 100mV Negative logic Open frame
QSR25-48S3V3-LB-CG 36-75Vdc 3.3V/25A 82.5W 91% 100mV Negative logic Baseplate
QSR40-48S3V3-L-CG 36-75Vdc 3.3V/40A 132W 91.5% 100mV Negative logic Open frame
QSR40-48S3V3-LB-CG 36-75Vdc 3.3V/40A 132W 91.5% 100mV Negative logic Baseplate
QSR20-48S5-LB-CG 36-75Vdc 5V/20A 100W 92% 75mV Negative logic Baseplate
QSR30-48S5-LB-CG 36-75Vdc 5V/30A 150W 92% 100mV Negative logic Baseplate
QSR08-48S12-L-CG 36-75Vdc 12V/8.3A 100W 93.3% 120mV Negative logic Open frame
QSR08-48S12-LB-CG 36-75Vdc 12V/8.3A 100W 93.3% 120mV Negative logic Baseplate
QSR12-48S12-L-CG 36-75Vdc 12V/12.5A 150W 93.1% 120mV Negative logic Open frame
QSR12-48S12-LB-CG 36-75Vdc 12V/12.5A 150W 93.1% 120mV Negative logic Baseplate
QSR18-48S12-LT-CG 36-75Vdc 12V/18A 216W 94% 150mV Negative logic Open frame
QSR25-48S12-LT-CG 36-75Vdc 12V/25A 300W 95.3% 150mV Negative logic Open frame
QSR25-48S12-LTB-CG 36-75Vdc 12V/25A 300W 95.3% 150mV Negative logic Baseplate
QSR33-48S12-LB-CG 36-75Vdc 12V/33A 396W 95.5% 150mV Negative logic Baseplate,w/o Trim
QSR06-48S24-LB-CG 36-75Vdc 24V/6.25A 150W 92% 300mV Negative logic Baseplate
Input voltage QSQ03-24S48-LB-CG 9~36V -
QSR12-24S12-L-CG/QSR42-24S12-LB-CG  QSR18-24S28-LB-CG 18~36V -
Other series of QSQ 18~75V -
Other series of QSR 36~75V -
QSR39-48S12-LB-CG/QSR54-48S12-LB-CG 40~60V -
QATQ Series 43~160V -
QDR-L1002SD-T-CG/QDR-L1004SD-T-CG/QDR-L1356SD-T-CG 66~160V -
QAT20-300S3V3-CG/QAT20-300S5-CG/QAT13-300S12-CG/QAT06-300S28-CG/QAT03-300S48-CG 200~400V -
QAT13-500S12-CG/QAT06-500S28-CG/QAT03-500S48-CG 400~650V -
Regulated voltage ALL ±1% Rated input voltage
Load regulation ALL ±0.5% Rated input voltage(I=0-Imax)
Line regulation ALL ±0.2% Vin=Vmin-Vmax(I=Imax)
Input undervoltage protection ALL Yes -  
Output overvoltage protection ALL Yes -  
Output overcurrent protection ALL Yes -  
Output short circuit protection ALL Yes -  
Over temperature protection ALL Yes -  
Operating baseplate temp QDR Series -40~100 -  
Operating temp Others -40~85 -  
Storage temp QSR25-48S3V3 Series -40~125 -  
Others -55~125 Bitmap
-
 
Environment characteristics ALL RoHS6 compliant -  
Manufacturability ALL Wave soldering -  
Moisture sensitive level  ALL MSL rating 1 -  
■ High outpuB22:B32
■ Low output ripple 
■ MTBF: 2x106 h
■ Switching frequency: 200~400kHz
■ Output overvoltage protection
■ Input undervoltage protection
■ Output overcurrent/short circuit protection
■ Over temperature protection
■ Output voltage trim
■ EN62368 compliant
■ Input-to-output isolation voltage:1.5kVdc/2.25kVdc