05

Function

N9377A

N9378A

N9379A

Switch topology

16-channel / 2 loads per

channel, off-board loads

24-channel / 4 loads per

channel with common,

on-board loads

48-channel / 2 loads per

channel with common,

on-board loads

Path resistance channel to

common

N/A

0.130 Ω maximum

0.300 Ω maximum

Path resistance from power

bus to load card connect

0.4 Ω maximum

0.5 Ω maximum

0.5 Ω maximum

Load path relay operate/

release time

10/5 msec maximum,

30 cps maximum

4/4 msec maximum,

10 cps maximum

4/4 msec max,

10 cps maximum

Peak voltage to earth

60 V continuous

500 V maximum transient,

non-switching (delays to

< 60 V in 200 mS)

60 V continuous

500 V maximum transient,

non-switching (delays to

< 60 V in 200 mS)

60 V continuous

200 V maximum transient,

non-switching (delays to

< 60 V in 200 mS)

Load carry/switching current

(per channel)

7.5 A maximum non-switching,

continuous

2 A maximum

2 A maximum

Load carry peak current

15 A maximum, non-switching

(< 100 msec, < 2% duty cycle)

1 A maximum

1 A maximum

Load switching power

150 W maximum, resistive load

N/A

N/A

Load switching voltage

60 V maximum

30 V maximum

(relay switching)

30 V maximum

(relay switching)

Minimum permissible load

10 mA, 5 V

10 uA, 10 mV DC

10 uA, 10 mV DC

Basic current sense accuracy

with standard 0.05 Ω sense

resistor

0.1% maximum

N/A

N/A

Basic current sense accuracy

with different ampliier

engaged (Vcm = 0 V)

0.2% + 30 mA

N/A

N/A

Basic current sense accuracy

with different ampliier

engaged (Vcm = 16 V)

0.2% + 100 mA

N/A

N/A

Isense differential ampliier

3 dB bandwidth

500 kHz typical

N/A

N/A

Isense differential ampliier

slew rate

40 A/uS typical

N/A

N/A

Power dissipation, individual

load mounted on load card

N/A

2 W maximum, each load

2 W maximum, each load

Average power for loads

mounted on load card

N/A

20 W maximum total, per card

20 W maximum total, per card

(1)

One channel at a time. Special accessories required to support multi-channel 30 A load switching at any one time.

(2)

Exclusive of load

Keysight Multi-Load Load Cards Speciications