PCB Ruler 25CM:
Size: 260 × 30 × 1.6 mm
Front specification:
1. Measuring length: 25cm
2. Measuring length: 10 inches
3. Commonly used IC packages: 1.NAND_FLASH_TSOP48 2.QFP7X7-64 3.PLCC-20 4.SOP16 5.TSSOP24 6.SSOP8 7.SOP8
4. Commonly used CHIP components: 1.TO252-3 2.SOT223 3.SOT89-3 4.SOT23-6 5.SOT23-3 6.SOD123 7.SOD323 8.1210 9.3528 10.1206 11.0805 12. 0603 13. 0402 14.TO92
5. Reference size of through hole diameter (unit: mm): 3.0 2.5 2.0 1.5 1.0 0.8 0.5 0.4
Back:
1. Common line width reference (unit: mm)
2. Angle measurement: 180 degrees
3. Equipment, IC pin spacing table: 0.5mm, 0.65mm, 0.8mm, 1.0mm, 1.25mm, 2.54mm;
4. Reference size of through hole diameter (unit: mm): 3.0 2.5 2.0 1.5 1.0 0.8 0.5 0.4
PCB Ruler 20CM:
Size: 210 × 40 × 1.6 mm
Front specification:
1. Measuring length: 20cm
2. Measuring length: 7.8 inches
3. Common resistor and capacitor diode SMD package: 0201,0402,0603,0805,1206, SMA, SMB, SMC
4. Common IC package: SSOP20, TSSOP24, SOP8, LQFP32, LQFP128P
5. Public MOS, phase inverter, transistor, crystal oscillator package: SOT223, SOT23, SOT89, SOT25, SOT5, 3225
6. Ordinary drilling diameter reference size (unit: mil)
7. Suitable for ruler hanging slot
Back:
1. Common line width size reference (unit: mil)
2. Ordinary drilling diameter reference size (unit: mm)
3. General IC package: SOP16, SOIC16, TO-252
4. 180 degree angle measurement
5. Component, IC pin spacing cross reference: 0.5mm, 0.635mm, 0.65mm, 0.8mm, 1.0mm, 1.27mm, 2.0mm, 2.54mm
PCB Ruler 15CM:
Size: 155 × 25 × 1.5 mm
Specification:
1. Measuring length: 15cm
2. Measuring length: 6 inches
3. Material: PCB
4. Various IC packages are engraved on the ruler surface.
5. Centimeter side: 0.1cm marks
Packing List:
1 x 25cm PCB Ruler
1 x 20cm PCB Ruler
1 x 15cm PC Ruler