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● lead-free compatible fr-4.0 laminate
tg 170℃(dsc),uv blocking/aoi compatible
● high heat resistance
● low z-axis cte
● excellent through-hole reliability
excellent anti-caf performance
● low water absorption

application area

● widely used in computer, communication equipment, precise apparatus and instrument, router, and etc.
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items method condition unit typical value
tg ipc-tm-650 2.4.25 dsc 180

td ipc-tm-650 5% wt. loss 345
cte (z-axis) ipc-tm-650 2.4.24 before tg ppm/℃ 45
after tg ppm/℃ 220
50-260℃ % 2.8
t260 ipc-tm-650 tma min 60
t288 ipc-tm-650 tma min 20
t300 ipc-tm-650
tma min 5
thermal stress ipc-tm-650 288℃, solder dip -- 100s  no delamination
volume resistivity ipc-tm-650 after moisture resistance mω.cm 2.2 x 108
e-24/125 mω.cm 4.5 x 106
surface resistivity ipc-tm-650 after moisture resistance 7.9 x 107
e-24/125 1.7 x 106
arc resistance ipc-tm-650 2.5.1 d-48/50 d-4/23 s 100
dielectric breakdown ipc-tm-650 2.5.6 d-48/50 d-4/23 kv 63
dissipation constant (dk) ipc-tm-650 1mhz -- 4.8
iec 61189-2-721 10ghz --
dissipation factor (df) ipc-tm-650 1mhz -- 0.013
iec 61189-2-721 10ghz --
peel strength (1oz hte copper foil) ipc-tm-650 2.4.8 a n/mm
after thermal stress 288℃,10s n/mm 1.38
125℃ n/mm 1.07
flexural strength lw ipc-tm-650 2.4.4 a mpa 562
cw ipc-tm-650 2.4.4 a mpa 518
water absorption ipc-tm-650 e-1/105 d-24/23 % 0.10
cti iec60112 a rating plc 3
flammability ul94 c-48/23/50 rating v-0
e-24/125 rating v-0


1. specification sheet: ipc-4101/126, is for your reference only.

2. all the typical value is based on the 1.6mm specimen, while the tg is for specimen≥0.50mm.

3. all the typical values listed above are for your reference only and not intended for specification. please contact shengyi technology co., ltd. for detailed information. all rights from this data sheet are reserved by shengyi technology co., ltd.

explanation: c=humidity conditioning, d=immersion conditioning in distilled water, e=temperature conditioning

the first digit following the letter indicates the duration of preconditioning in hours, the second digit the preconditioning temperature in ℃ and the third digit the relative humidity.