虚短”是指在分析运算放大器处于线性状态时，可把两输入端视为等电位，这一特性称为虚假短路，简称虚短。显然不能将两输入端真正短路。
“虚断”是指在分析运放处于线性状态时，可以把两输入端视为等效开路，这一特性 称为虚假开路，简称虚断。显然不能将两输入端真正断路。
DSP7-S3/10N-II/D24K1
DSP7-S3/10N-IE/D24K1
DSP7-TA/10N-IE/D24K1 MRE500E-P1N1N1C1N
MRE500E-P1N1N1S1NC20.6-A110K1/18
C20.6-A110K1/19
C20.6-A230K1/10
C20.6-A230K1/11
C20.6-A230K1/12
C20.6-A230K1/13
C20.6-A230K1/14
C20.6-A230K1/15
C20.6-A230K1/16
C20.6-A230K1/17
C20.6-A230K1/18
C20.6-A230K1/19
C20.6-F110K1/10
C20.6-F110K1/11
C20.6-F110K1/12
C20.6-F110K1/13
C20.6-F110K1/14
C20.6-F110K1/15
C20.6-F110K1/16
MRE5400L-D1N1N1S1NX
MRE5400L-D1N1N1S1NX
MRE5400L-F1N1N1N1NX
MRE5400L-F1N1N1S3NX
MRE5400L-F1N1N1S3NX
MRE5400L-F1T1N1N1NX
MRE5400L-F2N1N1N1NX
MRE5400L-F2N1N1N1NX
MRE800F-D1N1N1N1N
MRE800F-F1N1N1S1NX
MRE800F-F1N1N1S1NX
MRE800F-P1N1N1N1N
MRE8200M-D1N1N1S1NX
MRE8200M-F1M1N1N1NX
MRE8200M-F1M1N1N1NX
MRE8200M-F1M1N2N1NX
MRE8200M-F2N1N1N1N
MRE8200M-F2N1N1N1NX
DSP7-TA/10N-IE/A230K1
DSP7-S1/10N-IE/A230K1
DSP7-S4/10N-CI-C/A110K1CM
DSP7-S1/10N-CI-C/A110K1CM
DSP7-TB/10N-II/D24K1
DSP7-SA1/10N-EI/D24K1
DSP7-S12/10N/IE/AB10/D24K1
DSP7-S11/10N-IE/D24K1
DSP7-RK/20N-II/A110K1
DSP7-S12/20N-IE/AB10/D24K1
DSP7-S6/20N-II/A110/K1 V110/ 50HZ
DSP7-S2/20N-EE/D24K1
DSP7-RK/10N-II/P08-D24K1/CM
DSP7-S3/10N-II/P08-D24K1/CM
DSP7-S9/20N-IE/D/D24K1
DSP7-S1/20N-EI/A110K1
DSP7-TA/20N-IE/D24K1 电液换向阀
DSP7-TA02/20N-II/D24K1
DSP7-S1/20N-II/D24K1
BOBINA C20.6-A110K1/10 线圈
BOBINA C20.6-A230K1/10 线圈
BOBINA C22-D12K1/10 线圈