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MIL-PRF-19500-548 Coupler, Opto Electronic, Semiconductor Device, Solid State, Types 4N47, 4N48, 4N49, 4N47A, 4N48A, 4N49A, 4N47U, 4N48U, 4N49U, 4N47Bu, 4N48Bu, And 4N49Bu, Jan, Jantx, Jantxv, And JansThis specification covers the performance requirements for solid state optically coupled isolators in which a gallium aluminum arsenide diode light source is optically coupled to a silicon NPN phototransistor. Four levels of product assurance are provided for each type as specified in MIL-PRF-19500.

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MIL-PRF-19500/548H

* TABLE I. Group A inspection - Continued.

MIL-STD-750

Limit

Symbol

Unit

Inspection 1/ 2/

Method

Conditions

Min

Max

Subgroup 2 2/ - Continued

Coupler characteristics:

VCE = 5 V dc, IF = 1 mA dc

IC(ON)1

On-state collector current

3041

phototransistor mode:

4N47, 4N47A, 4N47U, 4N47BU

0.5

mA dc

4N48, 4N48A, 4N48U, 4N48BU

1.0

5.0

mA dc

4N49, 4N49A, 4N49U, 4N49BU

2.0

10.0

mA dc

VCE = 5 V dc, IF = 10 mA dc

IC(ON)2

All types

3041

5.0

mA dc

VCE(SAT)

Collector to emitter saturation

voltage

IC = 0.5 mA dc, IF = 2 mA dc

4N47, 4N47A, 4N47U, 4N47BU

0.3

V dc

IC = 1 mA dc, IF = 2 mA dc

4N48, 4N48A, 4N48U, 4N48BU

0.3

V dc

IC = 2 mA dc, IF = 2 mA dc

4N49, 4N49A, 4N49U, 4N49BU

0.3

V dc

Subgroup 3 2/

High temperature operation

TA = +100�C

Transistor characteristics:

Off-state collector current

VCE = 20 V dc, IF = 0,

IC(OFF)2

phototransistor mode:

3041

100

�Adc

IB = 0, condition D (see 4.5.4)

Coupler characteristics:

3041

VCE = 5 V dc, IF = 2 mA dc

IC(ON)3

On-state collector current

phototransistor mode:

4N47, 4N47A, 4N47U, 4N47BU

0.5

mA dc

4N48, 4N48A, 4N48U, 4N48BU

1.0

mA dc

4N49, 4N49A, 4N49U, 4N49BU

2.0

mA dc

LED characteristics

IF = 10 mA dc (see 4.5.3)

VF2

forward voltage

4011

0.7

1.3

V dc

See footnotes at end of table.