Multi-function PCB ruler measurement tool protractor PCB

Date:2019-07-24 Views:

The biggest advantage is that you can query the package information of components. It can also measure the length of an object like a normal ruler, and it is a good assistant of electronic engineers!

Specification of front side：

（1）measuring length :20 CM
（2）measurement length :7.8inch
（3）resistor capacitor diode patch packaging commonly used：0201、0402、0603、0805、1206、SMA、SMB、SMC；
（4）commonly used IC packing ：1.SSOP20、2.TSSOP24、3.SOP8、4.LQFP32 5.LQFP128P
（5）Commonly used MOS, inverter, triode, crystal oscillator package.：SOT223、SOT23、SOT89、SOT25、SOT5、3225；
（6）Commonly used hole diameter reference size.（unit：mil）
（7）Used for hanging straight grooves
Specification for back side ：

（1）Common thread width reference.（unit：mil）
（2）Commonly used hole diameter reference size.（unit：mm）
（3）commonly used IC packing：1.SOP16、2.SOIC16、3.TO-252；
（4）180 degree angle measurement
（5）Common USB head packing：MICRO_USB、USB-SOCKET；
（6）Device and IC pin spacing comparison table：0.5mm、0.635mm、0.65mm、0.8mm、1.0mm、1.27mm、2.0mm、2.54mm；

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Multi-function PCB ruler measurement tool protractor PCB