SY S1141 FR-4 PCB material specification

Physical and Thermal Characteristics

Temperatura di transizione vetrosa (Tg)

• Method: IPC-TM-650 2.4.25
• Condition: DSC
• Unità: Degree Celsius
• Valore tipico: 140

Thermal Decomposition Temperature (Td)

• Method: IPC-TM-650 2.4.24.6
• Condition: 5% wt. loss
• Unità: Degree Celsius
• Valore tipico: 310

Coefficiente di dilatazione termica (CTE) – Z-axis

• Pre Tg:
  • Method: IPC-TM-650 2.4.24
  • Unità: ppm/grado Celsius
  • Valore tipico: 65
• Post Tg:
  • Method: IPC-TM-650 2.4.24
  • Unità: ppm/grado Celsius
  • Valore tipico: 300

Linear Expansion (50-260 Degree Celsius)

• Method: IPC-TM-650 2.4.24.1
• Condition: TMA, min
• Unità: %
• Valore tipico: 4.5

Thermal Stress Resistance

• Method: IPC-TM-650 2.4.13.1
• Condition: 288 gradi Celsius, solder dip
• Valore tipico: No Delamination after 60 secondi

Electrical Properties

Volume Resistivity

• After Moisture Resistance:
  • Method: IPC-TM-650 2.5.17.1
  • Unità: MΩ·cm
  • Valore tipico: 5.2E+08
• E-24/125:
  • Unità: MΩ·cm
  • Valore tipico: 5.2E+06

Surface Resistivity

• After Moisture Resistance:
  • Method: IPC-TM-650 2.5.17.1
  • Unità: MΩ
  • Valore tipico: 5.4E+07
• E-24/125:
  • Unità: MΩ
  • Valore tipico: 5.6E+06

Arc Resistance

• Method: IPC-TM-650 2.5.1
• Condition: D-48/50+D-4/23
• Unità: Seconds (s)
• Valore tipico: 120

Dielectric Breakdown

• Method: IPC-TM-650 2.5.6
• Condition: D-48/50+D-4/23
• Unità: Kilovolts (kV)
• Valore tipico: 60

Mechanical Properties

Dissipation Constant (Non so)

• Method: IPC-TM-650 2.5.5.9
• Frequency: 1MHz
• Valore tipico: 4.6
• IEC 61189-2-721 at 10GHz: Not specified

Fattore di dissipazione (Df)

• Method: IPC-TM-650 2.5.5.9
• Frequency: 1MHz
• Valore tipico: 0.015
• IEC 61189-2-721 at 10GHz: Not specified

Peel Strength and Flexural Strength

Forza della pelatura (1Oz HTE copper foil)

• Initial: N/mm – Not specified
• After Thermal Stress at 288 Degree Celsius for 10s: N/mm – 1.8
• At 125 Degree Celsius: N/mm – 1.6

Flexural Strength

• Longitudinal (LW):
  • Method: IPC-TM-650 2.4.4
  • Valore tipico: 600 MPa
• Crosswise (CW):
  • Method: IPC-TM-650 2.4.4
  • Valore tipico: 500 MPa

Environmental Resistance

Assorbimento d'acqua

• Method: IPC-TM-650 2.6.2.1
• Condition: E-1/105+D-24/23
• Valore tipico: 0.15%

Flammability and CTI Rating

CTI Rating (IEC60112)

• Rating: PLC 3

Flammability (UL94)

• Condition: C-48/23/50
• Rating: V-0
• E-24/125: Rating – V-0

Notes and References

1. Specification Sheet Reference: IPC-4101/21 for reference only.
2. Specimen Basis: All typical values based on a 1.6mm specimen, except Tg which applies to specimens ≥0.50mm.
3. Disclaimer: The typical values listed are for reference only and not intended for specification purposes. For detailed information, contact Shengyi Technology Co., Ltd. All rights reserved by Shengyi Technology Co., Ltd.
4. Explanation of Conditions:
   • C = Humidity conditioning
   • D = Immersion conditioning in distilled water
   • E = Temperature conditioning