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ABSOLUTE MAXIMUM RATING
Reverse Current
25mA
Forward Current
25mA
Operating Temperature
-40 to 85°C
Storage Temperature
-55 to 125°C
Power Dissipation (Tamb=25°C)
SOT23
330mW
E-Line, 3 pin (TO92)
500mW
E-Line, 2 pin (TO92)
500mW
SO8
625mW
1.24
1.23
1.22
1.21
1.27
1.26
1.25
TYPICAL CHARACTERISTICS
Forward Characteristics
Forward Current (mA)
Temperature (°C)
Reference Current (mA)
Frequency (kHz)
Temperature Drift
Slope Resistance v Current
IN
R
Time (µs)
Transient Response (I4=150µµA)
110
0.1
TA=25°C
Slope Resistance v Frequency
-40
-20
0
20
40
60
80
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.1
1
10
100
1000
IR=150µA to 5mA
0
0.5
1.0
TA=-40°C
TA=85°C
1
0.1
10
100
1000
10
100
1
0.1
0.01
01
2
3
4
0
10
0
0.5
1.0
1.5
0
10
0
0.5
1.0
1.5
02
4
6
8
Time (µs)
Transient Response (I4=5mA)
I4=150µA
I4=1mA
I4=5mA
INPUT
OUTPUT
58K
INPUT
O UTPUT
1K8
IN
R
Reverse Characteristics
Reverse Voltage (V)
0
0.2
0.4
0.8
1.4
0.6
1.0
0
10
20
30
40
50
60
T)
=2
5°C
T)
=-4
0°C
T)=
85°
C
1.2
ZRA125
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) Tamb=25°C
SYMBOL PARAMETER
CONDITIONS
LIMITS
TOL.
%
UNITS
MIN
TYP MAX
VR
Reverse Breakdown Voltage IR=150µA
1.228
1.225
1.21
1.24
1.25
1.25
1.252
1.275
1.29
1
2
3
V
IMIN
Minimum Operating Current
30
50
µA
IR
Recommended Operating
Current
0.05
5
mA
TC
Average Reverse
Breakdown Voltage Temp.
Co.
IR(min) to
IR(max)
30
90
ppm/°C
RS §
Slope Resistance
0.65 2
Ω
ZR
Reverse Dynamic Impedance IR =1mA
f = 100Hz
IAC= 0.1 IR
0.5
1
Ω
EN
Wideband Noise Voltage
IR=150µA
f=100Hz to
10kHZ
40
µV(rms)
TC =
VR
Changex 1000000
VR x Temperature Change
§ RS =
VR
Change(IR (min) to IR (max))
IR (
max) − IR (min)
ZRA125
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