34938A 20채널 5 A Form A 스위치 모듈

Max scan

N/A

Bandwidth

1MHz

Max current

Max volts

250V

channel

N/A

제품사양

General purpose switch modules	34937A	34938A	34939A
Channels/configurations	28 Form C 4 Form A	20 Form A	64 Form A
Switch Type	Armature, latching	Armature, latching	Armature, latching
Input characteristics (per channel)
Max volts (DC, AC RMS, Peak)	Form C – 300 VDC/AC Form A – 30 VDC/250 VAC	30 VDC/250 VAC	±100 V peak
Max current (DC, AC RMS, Peak)	Form C – 1 A (2 A carry) Form A – 5 A switch (7 A carry)	5 A switc (7 A carry)	1 A switc (2 A carry)
Power (VA)	Form C – 60 VA Form A – 150 VA	150 VA	60 VA
Volt-Hertz limit	10^8	10^8	10^8
General specifications
Offset voltage	3 µV	3 µV	3 µV
Initial closed channel resistance	Form C – 125 mΩ Form A – 50 mΩ	< 60 mΩ	< 125 mΩ
DC isolation (ch-ch, ch-earth)	> 10 GΩ	> 10 GΩ	10 GΩ
AC characteristics
Bandwidth at terminal block	10 MHz	1 MHz	10 MHz
Channel isolation at terminal block 100 kHz 1 MHz 10 MHz	55 dB 35 dB 15 dB	60 dB 40 dB	45 dB 25 dB 5 dB

Capacitance at terminal block
CH-CH
CH-earth

Form C 12 pF, Form A 10 pF
Form C 21 pF, Form A 18 pF

65 pF
105 pF

20 pF
70 pF

General characteristics
Relay life no-load / rated	Form C – 100 M/100 k Form A – 50 M/30 k	50 M/30 k	> 100 M/100 k
Open/close time	Form C – 4 ms/4 ms Form A – 10 ms/10 ms	10 ms/10 ms	4 ms/4 ms
Initial/reset relay state	Form C – maintain state Form A – user-configurable	User-configurable	Maintain
Analog bus backplane connection	No	No	No

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