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8 Watts output power (PWM Design)
2:1 Wide input voltage range
2KVDC isolation (“H” means 3KVDC)
Remote On/Off control
Continuous short circuit protection
UL1950 component recognizedStandard DIL 24 metal package
High efficiency up to 87%
ROHS compliant
No tantalum capacitors designPart number

Output voltage

Output current@ full load

Efficiency (1)(typ.)

Capacitive load (2)(max.)

3.3 VDC
5 VDC
12 VDC
15 VDC±12 VDC±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC±5 VDC±12 VDC±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC±5 VDC±12 VDC±15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC±5 VDC±12 VDC±15 VDC

1600 mA
1600 mA
666 mA533 mA±333 mA±267 mA
1600 mA
1600 mA
666 mA533 mA±800 mA±333 mA±267 mA
1600 mA
1600 mA
666 mA533 mA±800 mA±333 mA±267 mA
1600 mA
1600 mA
666 mA533 mA±800 mA±333 mA±267 mA

83%
85%
84%
84%
84%
84%
84%
86%
85%
85%
83%
85%
85%
85%
87%
86%86%
84%
86%
86%
85%
87%86%86%84%86%86%

2200μF
2200μF
470μF
220μF±220μF±100μF
2200μF
2200μF
470μF
220μF±1000μF±220μF±100μF
2200μF
2200μF
470μF
220μF±1000μF±220μF±100μF
2200μF
2200μF
470μF
220μF±1000μF±220μF±100μF

PB8WR-053.3AJ
PB8WR-0505AJPB8WR-0512AJPB8WR-0515AJ
PB8WR-0512DAJPB8WR-0515DAJPB8WR-123.3AJ
PB8WR-1205AJPB8WR-1212AJPB8WR-1215AJPB8WR-1205DAJPB8WR-1212DAJPB8WR-1215DAJPB8WR-243.3AJ
PB8WR-2405AJ
PB8WR-2412AJPB8WR-2415AJ
PB8WR-2405DAJPB8WR-2412DAJPB8WR-2415DAJPB8WR-483.3AJ
PB8WR-4805AJ
PB8WR-4812AJ
PB8WR-4815AJ
PB8WR-4805DAJPB8WR-4812DAJPB8WR-4815DAJ

1.
2.
3.
4.

Input voltage

4.5 - 9 VDC
Nom. 5VDC

9 - 18 VDC
Nom. 12VDC

18 - 36 VDC
Nom. 24VDC

36 - 75 VDC
Nom. 48VDC

Industrial control system

The efficiency is test by nominal input and max. full load @25°C.
The capacitive load is test by minimum input and constant resistive load.
All specifications valid at nominal input voltage, full load and 25˚C after warm-up time unless otherwise stated.
The product information and specifications are subject to change without prior notice.

P B 8 W R – 24 3.3 A H J
DIL24 package
PowerWide range(2:1)

Inputvoltage

Outputvoltage

A Pin□: 2KVDC isolation
H: 3KVDC isolation/SMD: SMD pin type

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F 07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com

∣Parameter∣⎪

Conditions

Min.

Typ.

Input voltage range

OutputPi typeStart-up time

At nominal Vin

300

Remote ON/OFF (1)DC/DC ON
DC/DC OFF

Open or 3.5V < Vr < 12V
Short or 0V < Vr < 1.2V

Voltage accuracy

Full load & nominal Vin±1.5%Line voltage regulation

Low line to hi line at full load

±0.5%

Load voltage regulation(25% to 100% load)SingleDual±0.5±1.2%%

Cross regulation (2)25%-100% load±5%

Ripple & noise@20MHz BW

50mVp-p(3)Operating frequency

ms330

Operating temperatureWith derating

Storage temperature

KHz-40100

˚C-55105

˚C100

˚C-0.05+0.05%/˚C

595

Max. case temperature
Environment

Temperature coefficient
Relative Humidity
MTBF

1200

Input to output (1 sec.)

2000

VDC

H

3000

VDC

KHoursMIL-STD-202G

Isolation voltage
Isolation resistance

1GΩ

Isolation capacitanceOver load protection

Full load & nominal Vin

Short Circuit Protection

Physical

1200pF

150%

Continuous, automatic recovery

SafetyUL60950-1/EN60950-1

Case material

Nickel plated copper

Base material

Non-conductive black plastic

Potting material

Epoxy (UL94V-0)

Dimension(L x W x H)

32.00x20.30x10.20 mm

EMI (4)

EN55022Class A/B

ESD

EN61000-4-2,
Air±8kV; Contact±6kV

Criteria A

Radiated immunity

EN61000-4-3, 10 V/m

Criteria A

Fast transient

EN61000-4-4, ± 2kV

Criteria A

Surge

EN61000-4-5, ± 2kV

Criteria A

Weight

EMC

18

Conducted immunity

1.
2.
3.
4.

%RH

25˚C

Vibration

Function

Unit

2:1

Input filter
Input

Max.

EN61000-4-6, 10 Vr.m.s
EN61000-4-8, 50Hz
PMF
1A/m (r.m.s)
The ON/OFF control pin voltage is referenced to negative input.
One load is 25% to 100% load, the other load is 100% load, the output voltage variable rate is within ±5%.
Measured with 20MHz bandwidth and 0.1uF ceramic capacitor.
Requires external filter to meet EN55022 class A/B.

Criteria A
Criteria A

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F 07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.comg∣∣

Ambient Temperature at Vin4.5~9V

Load

Ambient Temperature at Vin9~18V, 18~36V, 36~75V
Load

120%

120%

100%

100%

80%

80%

60%

60%

40%

40%

20%

20%

0%

⎪

-40

0 10

20 30

4050 60

70 80
71

900%
100 110 (˚C) -40

0 10

20 30

4050 60

70 80

Efficiency vs Output load

Efficiency vs Input voltage(PB8WR-1205AJ)(PB8WR-1205AJ)

Efficiency vs Output load

Efficiency vs Input voltage(PB8WR-1212AJ)(PB8WR-1212AJ)

90
85

100 110 (˚C)

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F 07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com

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⎪

< 1 > Single output< 2 > Dual output

Part No.
PB8WR-05xxAJ/DAJPB8WR-12xxAJ/DAJPB8WR-24xxA/DAJPB8WR-48xxAJ/DAJL
1.3 mH
Common Choke++Vin

Vout-C122uF/16V
10uF/25V
4.7uF/50V
2.2uF/100V

C222uF/16V
10uF/25V
4.7uF/50V
2.2uF/100V

C3&C42200pF/3KV MLCC
2200pF/3KV MLCC
2200pF/3KV MLCC
2200pF/3KV MLCC

0.1uF

-Ground Lead

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢F 07-7017063⎢

www.powerctc.com⎢sales@ctc-dc-dc.com

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∣

⎪

DIPPinSingle

Dual

1

CTRL

CTRL

22, 23+Vin+Vin

2,3-Vin-Vin

9NC

Com11NC-Vout

14+Vout+Vout

16-VoutCom

NC : No connection
Pin : ±0.05mm
Tolerance : ±0.25mm⚫

SMD

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢F 07-7017063⎢

www.powerctc.com⎢sales@ctc-dc-dc.com

∣⚫

DIP⚫

SMD∣

⎪

CTC is the professional and one among world’s leading manufacturers of DC-DC/ AC-DC converters.
The products were used in Computers, Industrial controls, Medical equipment, Transportation, EV, ECO-power, Aero-space application and communication.
⎢T07-7017088⎢

F 07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com