If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Reverse Current
15 mA
Forward Current
10 mA
Storage Temperature
−60°C to +150°C
Operating Temperature Range (Note 2)
LM136
−55°C to +150°C
LM236
−25°C to +85°C
LM336
0°C to +70°C
Soldering Information
TO-92 Package (10 sec.)
260°C
TO-46 Package (10 sec.)
300°C
SO Package
Vapor Phase (60 sec.)
215°C
Infrared (15 sec.)
220°C
See AN-450 “Surface Mounting Methods and Their Effect
on Product Reliability” (Appendix D) for other methods of
soldering surface mount devices.
Electrical Characteristics
Parameter
Reverse Breakdown
Voltage
(Note 3)
LM136A-2.5/LM236A-2.5
LM136-2.5/LM236-2.5
Min
Typ
Max
Min
LM336B-2.5
LM336-2.5
Typ
Max
Conditions
T
A
=25°C, I
R
=1 mA
LM136, LM236, LM336
LM136A, LM236A, LM336B
Units
2.440
2.465
2.490
2.490
2.6
2.540
2.515
6
2.390
2.440
2.490
2.490
2.6
2.590
2.540
10
V
V
mV
Reverse Breakdown
Change
With Current
Reverse Dynamic
Impedance
(Note 4)
T
A
=25°C,
400 μA
≤
I
R
≤
10 mA
T
A
=25°C, I
R
=1 mA, f = 100 Hz
0.2
0.6
0.2
1
Ω
Temperature Stability V
R
Adjusted to 2.490V
I
R
=1 mA,
Figure 2
0°C
≤
T
A
≤
70°C (LM336)
−25°C
≤
T
A
≤
+85°C
(LM236H, LM236Z)
−25°C
≤
T
A
≤
+85°C (LM236M)
−55°C
≤
T
A
≤
+125°C (LM136)
Reverse Breakdown
Change
With Current
Reverse Dynamic
Impedance
Long Term Stability
400 μA
≤
I
R
≤
10 mA
7.5
12
3
18
18
10
3
12
mV
mV
mV
3.5
9
1.8
6
mV
mV
I
R
=1 mA
T
A
=25°C ±0.1°C, I
R
=1 mA,
t = 1000 hrs
0.4
20
1
0.4
20
1.4
Ω
ppm
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its specified operating conditions.
Note 2:
For elevated temperature operation, T
j
max is:
LM136
LM236
LM336
Thermal Resistance
θ
ja
(Junction to Ambient)
θ
ja
(Junction to Case)
150°C
125°C
100°C
TO-92
180°C/W (0.4″ leads)
170°C/W (0.125″ lead)
n/a
80°C/W
n/a
TO-46
SO-8
440°C/W 165°C/W
3
www.national.com
LM136-2.5/LM236-2.5/LM336-2.5V
Note 3:
Unless otherwise specified, the LM136-2.5 is specified from −55°C
≤
T
A
≤
+125°C, the LM236-2.5 from −25°C
≤
T
A
≤
+85°C and the LM336-2.5 from
0°C
≤
T
A
≤
+70°C.
Note 4:
Temperature stability for the LM336 and LM236 family is guaranteed by design. Design limits are guaranteed (but not 100% production tested) over the
indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Stability is defined as the maximum change in
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