Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

Cathode voltage

26

V

Continuous cathode current range

150

mA

Reference current range

3

mA

Ambient temperature range

0 to 85

˚C

Junction temperature range

0 to 125

˚C

Storage Temperature Range

-65 to 150

˚C

10sec)

260

˚C

Electrical Characteristics

WSL431

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

WSL431B

2.4925 2.505 2.5175

WSL431C

2.480

2.505 2.530

WSL431D 2.455

2.505 2.555

Unit

Reference Voltage Drift over

Temp. range

4

20

mV

(open loop gain)

- 4

- 1.6

mV/

V

Reference Current

0.4

3.5

µA

Reference Current Drift

0.4

1.2

µA

Min. Cathode Current

0.15

0.4

mA

Off-state Cathode Current

0.1

1

µA

Dynamic Impedance

f=1k Hz*1

-0.4

-0.1

Ω

Notes:

*1

: use Figure 1

*2

: use Figure 2

*3

: use Figure 3

Winson reserves the right to make changes to improve reliability or manufacturability.

©Winson, Jan. 2000 (Rev. C)