DC/DC Converter

SAFETY AND CERTIFICATIONS

Certificate Type

Report / File Number

Standard / Edition

IEC/EN General Safety

SPCLVD1108088-1

IEC/EN-60950-1 2nd Edition

Certificate Type (Environmental)

Conditions

Standard / Criterion

ESD

Radiated Immunity

Fast Transient

Surge

Conducted Immunity

Vibration

Thermal Cycling (complies with MIL-STD-810F)

Shock

with external Filter

±8kV Air Discharge, ±6kV Contact Discharge

Level 3, 10V/M

±4kV Applied

±4kV Applied

Level 3, 10V rms

50-150Hz, along X,Y and Z

12 cycles

5g / 30ms

EN-55022, Class A

EN-61000-4-2, Criteria B

EN-61000-4-3, Criteria A

EN-61000-4-4, Criteria B

EN-61000-4-5, Criteria B

EN-61000-4-6, Criteria A

EN-60068-2-6

EN-60068-2-14

EN-60068-2-27

RPR-4

REV.: 2/2016

www.recom-power.com

RPR50-11012S-B

Series

Soldering

Hand Soldering

Hand Soldering is the least preferred method because the amount of

solder applied, the time the soldering iron is held on the joint, the

temperature of the iron and the temperature of the solder joint are

variable.

The recommended hand soldering guideline is listed in Table 1. The

suggested soldering process must keep the power module’s internal

temperature below the critical temprature of 217°C continuously.

Wave Soldering

High temperature and long soldering time will result in IMC layer

increasing in thickness and thereby shorten the solder joint lifetime.

Therefore the peak temperature over 245°C is not suggested due

to the potential reliability risk of components under continuous high-

temperature. In the meanwhile, the soldering time of temperature

above 217°C should be less than 90 seconds. Please refer to the sol-

dering profile below for recommended temperature profile parameters.

Temp

Time

Peak Temp. 240 - 245°C

Ramp downmax. 4°C/sec

Time Limited 90sec.above 217°C

Ramp upmax. 3°C/sec

Preheat time100-140 sec.

217°C

200°C

150°C

25°C

Table 1 Hand-Soldering Guideline

Parameter

Single-side

Circuit Boad

Double-side

Circuit Board

Multi-layers

Circuit Board

Soldering

Iron Wattage

90W

90W

90W

Tip

Temperature

385 ±10°C

420 ±10°C

420 ±10°C

Soldering Time

2-6 seconds

4-10 seconds

4-10 seconds

C1

D1

L1

UR1

C2

C3

C4

C5

C9

C8

C6

C7

Load

EMC Filtering - Suggestions

It is recommended to add UR1 and D1 in railway application.

C1 can be modified for required EMI standards.

To meet EN61000-4-2, module case should be earth

grounded. We offer independent case pin option on

request, the location is upon pin 1.

Standard

UR1

D1

C1

C2, C3, C4, C5

EN61000-4-2, 3, 4, 5, 6

MOV 14D361K

200V / 3A

680µF / 250V

471pF / 3kV

Notes:

Note4:

C1 is recommended to meet EMI Class A.