Datasheet

cui.com
date 11/07/2014 │ page 35 of 36CUI Inc │ SERIES: NQB-D │ DESCRIPTION: FULLY REGULATED ADVANCED BUS CONVERTERS
Product Qualification Specification
Characteristics
External visual inspection IPC-A-610
Change of temperature
(Temperature cycling)
IEC 60068-2-14 Na
Temperature range
Number of cycles
Dwell/transfer time
-40 to 100°C
500
15 min/0-1 min
Cold (in operation) IEC 60068-2-1 Ad
Temperature T
Duration
A
-45°C
72 h
Damp heat IEC 60068-2-67 Cy
Temperature
Humidity
Duration
85°C
85 % RH
1000 hours
Dry heat IEC 60068-2-2Bd
Temperature
Duration
125°C
1000 h
Electrostatic discharge
susceptibility
IEC 61340-3-1, JESD 22-A114
IEC 61340-3-2, JESD 22-A115
Human body model (HBM)
Machine Model (MM)
Class 2, 2000 V
Class 3, 200 V
Immersion in cleaning solventsIEC 60068-2-45 XA, method 2
Water
Glycol ether
Isopropyl alcohol
55°C
35°C
35°C
Mechanical shockIEC 60068-2-27 Ea
Peak acceleration
Duration
100 g
6 ms
Moisture reflow sensitivity J-STD-020C
1
Level 1 (SnPb-eutectic)
Level 3 (Pb Free)
225°C
260°C
Operational life test MIL-STD-202G, method 108ADuration 1000 h
Resistance to soldering heat IEC 60068-2-20 Tb, method 1A
2
Solder temperature
Duration
270°C
10-13 s
Robustness of terminations
IEC 60068-2-21 Test Ua1
IEC 60068-2-21 Test Ue1
Through hole mount products
Surface mount products
All leads
All leads
Solderability
IEC 60068-2-58 test Td
1
IEC 60068-2-20 test Ta
Preconditioning
2
Temperature, SnPb Eutectic
Temperature, Pb-free
Preconditioning
Temperature, SnPb Eutectic
Temperature, Pb-free
150°C dry bake 16 h
215°C
235°C
Steam ageing
235°C
245°C
Vibration, broad band randomIEC 60068-2-64 Fh, method 1
Frequency
Spectral density
Duration
10 to 500 Hz
0.07 g
2
10 min in each direction
/Hz
Notes: 1. Only for products intended for reow soldering (surface mount products)
2. Only for products intended for wave soldering (plated through hole products)
For more information, please visit the product page.