Document 888
For Analog Devices ADuM347x
Quad-Channel Digital Isolators
Isolation Transformers
• Developed to work with Analog Devices ADuM347x quad-
channel, digital isolators with integrated PWM controller and
transformer driver
• Power rating: 2 Watts
• Designed to meet UL/CSA/IEC 60950-1 and 62638-1 Basic
Insulation with 1.5 mm creepage and clearance.
Core material Ferrite
Terminations Tin-silver over tin over nickel over phos bronze
Isolation 2500 Vrms primary to secondary; 500 Vrms winding to core
Weight 0.95 – 0.98 g
Ambient temperature –40°C to +125°C
Storage temperature Component: –40°C to +125°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Packaging 600/13″ reel; Plastic tape: 24 mm wide, 0.37 mm thick,
16 mm pocket spacing, 6.1 mm pocket depth
PCB washing Tested with pure water or alcohol only. For other solvents,
see Doc787_PCB_Washing.pdf
Pri / output voltages
DCR max
(Ohms)3
Leakage Volt-time
inductance4 product5
Part
Inductance2 Turns
output
(pin8)
5 V +3.3 to +5 V
output
output
(pin5)
No output
0 V
number1
min (µH)
ratio
pri
(pins6&7)
pri
sec
max (µH)
(V-µsec)
JA4631-BL_
JA4650-BL_
KA4976-AL_
63.75
63.75
63.75
1 : 2
1 : 3
1 : 5
0 V
0.095 0.190
0.122 0.260
0.095 1.17
0.460
0.660
0.515
17.6
17.6
17.6
5 V +12 to +15 V +6 to +7.5 V
5 V +12 to +15 V 0 V
–12 to –15 V
1. When ordering, please specify a packaging code:
JA4631-BLD
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic
tape (600 per full reel). Quantities less than full reel
available: in tape (not machine ready) or with leader
and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part
numbering system, Coilcraft is eliminating the need
for multiple packaging codes. When ordering, simply
change the last letter of your part number from B to C.
2. Inductance is for the primary, measured from pins 4– 3 at 1 kHz, 0.1 Vrms.
3. DCR is for each winding of the primary and secondary.
4. Leakage inductance is for the primary windings, measured from pins 1
with all secondary windings shorted.
– 4
5. Based on Bsat of the core at 25°C and the number of turns on winding 4
6. Electrical specifications at 25°C.
-3.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
inches
mm
Dimensions are in
Analog Devices is a trademark of Analog Devices, Inc.
US +1-847-639-6400 sales@coilcraft.com
Document 888 Revised 04/12/22
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2022
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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