⎪



4:1 Wide input range voltageIndustry control application

30W power in compact size 1x1” packageStand by power application

-40°C to +105°C operating temperatureTelecom/Datacom application

No minimum load requiredSave space solution

6-sided continuous shieldContinuous short circuit protectionEMI class A without external circuit

Output voltage

Output current@ full load

Input current@ no load

Efficiency (1)(typ.)

Capacitive load (2)(max.)PFB30WR4-243.3J

3.3 VDC

7000 mA

10 mA

88.5%

10000μFPFB30WR4-2405J

5 VDC

6000 mA

10 mA

89.0%

7200μF

12 VDC

2500 mA

10 mA

90.0%

1200μF

15 VDC

2000 mA

10 mA

90.5%

1000μF

PFB30WR4-2424J

24 VDC

1250 mA

10 mA

90.5%

380μF

PFB30WR4-2412DJ±12 VDC±1250 mA

10 mA

89.0%

±750μF

PFB30WR4-2415DJ±15 VDC±1000 mA

10 mA

90.0%

±500μF

PFB30WR4-483.3J

3.3 VDC

7000 mA

10 mA

88.0%

10000μF

PFB30WR4-4805J

5 VDC

6000 mA

10 mA

90.0%

7200μF

12 VDC

2500 mA

10 mA

90.5%

1200μF

15 VDC

2000 mA

10 mA

90.5%1000μF

PFB30WR4-4824J

24 VDC

1250 mA

10 mA

90.5%

380μF

PFB30WR4-4812DJ±12 VDC±1250 mA

10 mA

90.5%

±750μF

PFB30WR4-4815DJ±15 VDC±1000 mA

10 mA

91.0%

±500μF

Part NumberInput voltage

PFB30WR4-2412J
PFB30WR4-2415J

9-36 VDC
Nom. 24VDC

PFB30WR4-4812J
PFB30WR4-4815J

18-75 VDC
Nom. 48VDC

1.

The efficiency is test by nominal input and max. full load @25°C.

2.

The capacitive load is test by minimum input and constant resistive load.

3.

All specifications valid at nominal input voltage, full load and 25˚C after warm-up time unless otherwise stated.

PFB30WR4–2405
Power

Input voltage

Output voltage

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⎢

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CTC COIL TECHNOLOGY CORPORATION ∣Parameter∣ DC-DC CONVERTERConditionsMin.

⎪Typ.

Input filter

Constant resistive load,
nominal input
24Vin
48Vin
24Vin
48Vin
24Vin
48Vin
DC-DC ON
DC-DC OFF
Input current (remote off mode)

Start-up time
Start-up voltage(0%-100% load)
Under voltage lockout(0%-100% load)
Input surge voltage(0.1s Max.)
Remote ON/OFF
Voltage accuracy

mS

918
7.5
16

VDC
VDC
VDC
VDC
VDC
VDC

50
100
Open or 3.5~15 VDC
Short or 0~1.2 VDC
2 mA-1+1%75

mVp-p

Line regulation( LL to HL at 100% load)
Load regulation(0%-100% load)Single output
Dual output
Single output
Dual output-0.2-0.5-0.2-1.0+0.2+0.5+0.2+1.0%%%%

Crossing regulation

Asymmetrical load 25%/100%-5Voltage adjustability
Transient response recovery time
Operating temperature

PFB30WR4-243.3, 483.3
PFB30WR4-24XX
PFB30WR4-48XX
PFB30WR4-4815, 4815D
0%~100% load at Vin range
Pout ≦ max rated power
25% load step change(75%-100% load)
Derating curve

+5300
400
370
430
+10-40-55

Max. case temperature
5MTBF25˚C105

˚C125

˚C110

˚C

95%RH560

kHoursVibration

MIL-STD-202G

Isolation voltage

1 min., Input to output

Isolation resistance

500VDC

1600

VDC

1GΩ

Isolation capacitance

2400
24Vin
48Vin
3.3V output
5V output
12V output
15V output
24V output±12V output±15V output

Over load protection

Over voltage protection

Over temperature protection
Short circuit protection

170
190
5.3
6.2
151830±15±18%
%
VDC
VDC
VDC
VDC
VDC
VDC
VDC

115

˚C

UL62368-1/ EN62368-1/ IEC62368-1

Dimension

25.4 x 25.4 x 10.0 mm

Weight17g

Case materialNickel plated metal with FR-4 basePotting material

SiliconeCTC 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.
⎢pF

Continuous, Automatic recovery

Safety approvals

Physical%μs

250

Relative Humidity%KHz
KHz
KHz
KHz

-10

Storage temperature

Function

VDC
VDC

30(1)

Operating frequency

Environment

3675

100% load at nominal Vin

Ripple& noise

OutputUnitPi filter
918

Input voltage range

Input

Max.

T

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CTC COIL TECHNOLOGY CORPORATION ∣∣ DC-DC CONVERTER

Parameter

Conditions

Min.

Typ.

Cooling method
EMI

EN55032Class A/B

EN61000-4-2, Air±8KV;
Contact±6KV

Criteria A

Radiated immunity (3)EN61000-4-3

Criteria A

Fast transient

EN61000-4-4, ±2KV

Criteria A

EN61000-4-5, ±2KV

Criteria A(3)

EN61000-4-6

Criteria A

Magnetic field immunity

EN61000-4-8

Criteria A(3)Surge (3)Conducted immunity

1.
2.
3.
4.
5.

Max.

UnitFree air convection(2)

ESDEMC⎪

Ripple& noise: 20MHz BW at Vin range 0%~100% load (contact MLCC 22uF). Light load ripple & noise is no more than 150mVp-p
EMI class A without external circuit, and class B suggestion circuit, please check with our sales.
Test with E-CAP 680uF/100V at input terminal.
Derating measured with nominal line. Mounted test board (80 x 40 mm, 3Oz double layer).
The product information and specifications are subject to change without prior notice.

Ambient temperature
PFB30WR4-2405J

LoadLoad

120%

120%

100%

100%

80%

80%

60%
50%40%

60%
50%
40%

20%
10%0%

20%
10%0%-40010 20 30

40 50 60

Ambient temperature
PFB30WR4-2424J/ PFB30WR4-4805J

70 80 90 100 105 (°C)
85 95

-400

10 20 30

40 50 6070 80
65

90 100 105 (°C)
95

22μF++Vin

Vout-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⎢F07-7017063⎢

www.powerctc.com⎢sales@ctc-dc-dc.com

CTC COIL TECHNOLOGY CORPORATION ∣∣ DC-DC CONVERTER⎪-24XXJPFB30WR4-24XXJ

C1L1C2C3C44.7μF

10μH

4.7μF

2200pF

2200pF-48XXJ

PFB30WR4-48XXJ

C1

L1

C2C3

C44.7μF

Commonmode choke
K5B 32μH

4.7μF

2200pF

2200pF

Trim upTrim down

Vref

R1
R3
R3R2

Formula for trim resistor:+Vout+Vout

UP:

R1
Trim

R3

Vref

Ru

Rd
Trim

R116.6kΩ
10kΩ
38kΩ
50.1kΩ
86kΩ

Rd=

𝑉𝑟𝑒𝑓

a= ′− 𝑅3𝑏𝑅1
𝑅1 −𝑏

𝑉𝑜 −𝑉𝑟𝑒𝑓− 𝑅3b=∙ 𝑅1𝑉𝑜′ −𝑉𝑟𝑒𝑓
𝑉𝑟𝑒𝑓

∙ 𝑅2

NOTE:
1.Ru, Rd is mean trim resistor, please check the formula.
2.a & b: user define parameter, no actual meanings.
3. 𝑉𝑜′ is mean trim up/down voltage.
4.Value for R1, R2, R3 and Vref refer to the table below.

-VoutModel
PFB30WR4-XX3.3J
PFB30WR4-XX05J
PFB30WR4-XX12J
PFB30WR4-XX15J
PFB30WR4-XX24J

aR2

𝑅2 −a

DOWN:

R2-Vout

Ru=R210kΩ
10kΩ
10kΩ
10kΩ
10kΩ

R352.3kΩ
35.7kΩ
48.7kΩ
64.9kΩ
73.2kΩ

Vref
1.25V
2.5V
2.5V
2.5V2.5V

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

CTC COIL TECHNOLOGY CORPORATION ∣∣ DC-DC CONVERTER⎪

PinSingle

Dual

1+Vin+Vin

2-Vin-Vin

3

CTRL

CTRL

4-Vout-Vout

5Trim

Com.

6+Vout+Vout

UNIT : mm
TOL. : XX.X ±0.5mm
XX.XX ±0.25mm

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.
⎢T

07-7017088⎢

F

07-7017063⎢

www.powerctc.com⎢

sales@ctc-dc-dc.com