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© Coilcraft Inc. 2013

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.

Isolation Transformers

Document 888

Document 888 Revised 09/01/11

Pri / output voltages

DCR max

Leakage

Volt-time

Part

Turns

output

output

output

min (µH)

ratio

pri

(pin8)

(pins6&7)

(pin5)

pri

sec

max (µH)

(V-µsec)

JA4631-BL_

63.75

1

: 2

5 V

+3.3 to +5 V

0 V

No output

0.095

0.190

0.460

17.6

JA4650-BL_

63.75

1

: 3

5 V

+12 to +15 V

+6 to +7.5 V

0 V

0.122

0.260

0.660

17.6

KA4976-AL_

63.75

1

: 5

5 V

+12 to +15 V

0 V

–12 to –15 V

0.095

1.17

0.515

17.6

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).

B = Less than full reel. In tape, but not machine ready.

To have a leader and trailer added ($25 charge), use

code letter D instead.

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 – 4

with all secondary windings shorted.

5. Based on Bsat of the core at 25°C and the number of turns on winding 4- 3.

6. Electrical specifications at 25°C.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Dimensions are in inches

mm

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)

Failures in Time (FIT) / Mean Time Between Failures (MTBF)

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

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

For Analog Devices ADuM347x

Quad-Channel Digital Isolators

• 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 Basic Insulation with

1.5 mm creepage and clearance.

Analog Devices is a trademark of Analog Devices, Inc.