Datasheet

66
Product specifi cations
Model
U2751A
Without U2922A terminal block With U2922A terminal block
Channels/confi guration 4 × 8, 2-wire
Switch type Armature latching
Input characteristics (per channel)
Max working voltage
[1]
• Standalone
• Modular (Used with U2781A)
42 VDC/35 Vrms
180 VDC/180 Vrms
Max transient voltage 300 Vrms
Max current
• Switch current
• Carry current
2 A
2 A
Power (W, VA)
[2]
60 W, 62.5 VA
Volt-Hertz limit 108
General specifi cation
Thermal emf (differential) < 3 μV
Initial closed channel resistance < 1.5 Ω
DC isolation (ch-ch, ch-earth) > 10 GΩ
AC characteristics
Bandwidth
[3]
45 MHz 30 MHz
Insertion loss
• 100 kHz
• 1 MHz
• 10 MHz
• 45 MHz
0.2 dB
0.3 dB
< 2 dB
< 3 dB
0.2 dB
0.3 dB
< 2 dB
< 4.5 dB
Capacitance
• HI-LO
• LO-Earth
55 pF
35 pF
85 pF
45 pF
Crosstalk at terminal block (ch-ch)
[3]
• 300 kHz
• 1 MHz
• 20 MHz
• 45 MHz
–70 dB
–60 dB
–35 dB
–30 dB
General characteristics
Relay life, typical
• No load
• 10 V, 100 mA
• Related load
100 M
10 M
100 k
Open/close time 4 ms/4 ms
[1]
DC or AC rms, channel-to-channel or channel-to-earth.
[2]
Limited to 6 W channel resistance power loss per module.
[3]
50 Ω source, 50 Ω load, differential measurements verifi ed with a 4-port network analyzer (Sdd21).