NTC Thermistors, High Temperature Sensors
2322 633 3/5/8....

Vishay BCcomponents



Document Number: 29050 For technical questions contact: nlr.europe@vishay.com www.vishay.com
Revision: 10-Oct-03 99

FEATURES

•

Small diameter

•

Quick response to temperature change

•

High stability over a long life

•

Wide temperature range from

−

40 to +200

°

C

•

Resistant to corrosive atmospheres and harsh
environments

APPLICATIONS

•

High temperature measurement control:
– Domestic appliances
– Automotive systems
– Industrial process control

DESCRIPTION

These thermistors have a negative temperature coefficient
and are mounted in a glass envelope:
2322 633 5.... (SOD80) without leads and suitable for
surface mounting
2322 633 8.... (SOD27) with tinned copper-clad iron leads
2322 633 3.... is the bandoiler version of 2322 633 8....
series

MOUNTING

By soldering

QUICK REFERANCE DATA

PARAMETER
VALUE
2322 633 5.... 2322 633 8....

Temperature range

−

40 to +200

°

C
Resistance value at 25

°

C
(R

25

)
10 to 100 k

Ω

Tolerance on R

25

-value

±

5% and

±

10%
B

25/85

-value 3977 K
Tolerance on B

25/85

-value

±

1.3%
Deviation in resistance value
due to B-tolerance
see Resistance
Values at
Intermediate
Temperatures
table for 2322
633 5.... series
see Resistance
Values at
Intermediate
Temperatures
table for 2322
633 8.... series
Ratio R

T

/R

25

Rated dissipation 100 mW
Dissipation factor 2.5 mW/K
Response time 0.9 s
Thermal time constant

τ

6 s
Temperature coefficient see Resistance
Values at
Intermediate
Temperatures
table for 2322
633 5.... series
see Resistance
Values at
Intermediate
Temperatures
table for 2322
633 8.... series
Climatic category 40/155/56 40/200/56
Mass

≈

0.03 g

≈

0.14 g

ELECTRICAL DATA AND ORDERING INFORMATION

Note

1. Only available in blister tape.

R

25

(k

Ω

)
B

25/85

-VALUE
CATALOG NUMBER 2322 633 .....
SOD27 (leaded)
SOD80 (MELF)

(1)

5....
8....
tinned-copper
R

25



±

10% R

25



±

5% R

25



±

10% R

25



±

5%

10 3977 K

±

1.3% 2103 3103 2103 3103
20 3977 K

±

1.3% 2203 3203 2203 3203
30 3977 K

±

1.3% 2303 3303 2303 3303
100 3977 K

±

1.3% 2104 3104 2104 3104
220 3977 K

±

1.3% 2224 3224 2224 3224