MJWI25 SERIES

DC/DC CONVERTER 25W, Highest Power Density

E-mail:sales@minmax.com.tw

Tel:886-6-2923150

2015/05/22 REV:3

Page 3 of 10

®

Environmental Specifications

Parameter

Conditions/Model

Min.

Max.

Unit

without Heatsink

with Heatsink

Operating Ambient Temperature Range

Nominal Vin, Load 100% Inom.

(for Power Derating see relative Derating Curves)

MJWI25-48S033

-40

57

65

℃

MJWI25-24S15,MJWI25-48S05

56

64

MJWI25-48S12,MJWI25-48S15

MJWI25-24S033

53

61

MJWI25-24S05, MJWI25-24S12

50

59

MJWI25-24D12, MJWI25-24D15

MJWI25-48D12, MJWI25-48D15

Thermal Impedance

Natural Convection without Heatsink

17.6

---

℃/W

Natural Convection with Heatsink

14.8

---

℃/W

100LFM Convection without Heatsink

13.6

---

℃/W

100LFM Convection with Heatsink

8.5

---

℃/W

200LFM Convection without Heatsink

11.8

---

℃/W

200LFM Convection with Heatsink

6.5

---

℃/W

400LFM Convection without Heatsink

8.8

---

℃/W

400LFM Convection with Heatsink

4.3

---

℃/W

Case Temperature

---

+105

℃

Storage Temperature Range

-50

+125

℃

Humidity (non condensing)

---

95

% rel. H

Cooling

Natural Convection

RFI

Six-Sided shielded, Metal Case

Lead Temperature (1.5mm from case for 10Sec.)

---

260

℃

EMC Specifications

Parameter

Standards & Level

Performance

EMI

Conduction

EN55022, FCC part 15

Class A, Class B

EMS

EN55024

ESD

EN61000-4-2 Air ± 8kV , Contact ± 6kV

A

Radiated immunity

EN61000-4-3 10V/m

A

EN61000-4-4 ±2kV

A

EN61000-4-5 ±1kV

A

Conducted immunity

EN61000-4-6 10Vrms

A

External Filter meets Conducted EMI EN55022 class A, class B; FCC part 15 level A, level B

Class

Model

C1

C2

C3

C4&C5

L1

Class A

MJWI25-24XXX

None

3.3μF/50V 1210 MLCC

None

None

2.2μH

MJWI25-48XXX

None

3.3μF/100V 1210 MLCC

None

None

4.7μH

Class B

MJWI25-24XXX

3.3μF/50V 1210 MLCC

3.3μF/50V 1210 MLCC

3.3μF/50V 1210 MLCC

1800 pF/2KV 1206 MLCC

2.2μH

MJWI25-48XXX

3.3μF/100V 1210 MLCC

3.3μF/100V 1210 MLCC

3.3μF/100V 1210 MLCC

1800 pF/2KV 1206 MLCC

4.7μH

MJWI25 Module

+Vout

-Vout

+Vin

-Vin

C5

C4

L1

C3

C2

C1