Multi-function PCB ruler measurement tool protractor PCB

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;
(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;


