PMA0207
Vishay Draloric
Metal Film Resistors, Precision, High Stability
FEATURES
• Special stabilized metal alloy on high quality ceramic
• Very low TC and tight tolerances
• Excellent long term stability
• Suitable for precision measuring techniques and precision
control engineering
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
POWER RATING LIMITING ELEMENT
VOLTAGE MAX.
P
70
°
C
W
V
0.125
(0.25)*
(0.4)*
TEMPERATURE
COEFFICIENT
ppm/K
TOLERANCE
%
0.05
0.1
0.25
0.5
0.05
0.1
0.25
0.5
PMA0207
0.125
(0.25)*
(0.4)*
0.05
0.1
0.25
0.5
0.05
0.1
0.25
0.5
* For lower stability requirements
• Coating: green
• Marking: see appropriate catalog or web page
•
•
RESISTANCE RANGE
E-SERIES
Ω
on request
100R - 100K
100R - 100K
100R - 100K
on request
100R - 100K
100R - 100K
100R - 100K
on request
47R - 511K
47R - 511K
47R - 511K
on request
47R - 511K
47R - 511K
47R - 511K
192
192
192
192
192
192
192
192
192
192
192
192
192
192
192
192
PMA0207
250
5
PMA0207
0.125
(0.25)*
(0.4)*
250
10
250
15
PMA0207
0.125
(0.25)*
250
25
For TC
≤
10ppm/°C: temperature range - 25°C...+ 85°C
Further values on request
ORDERING INFORMATION
PMA0207
MODEL
5
TC
ppm/K
1K87
RESISTANCE
VALUE
Ω
.25%
TOLERANCE
±
%
A1
PACKAGING
A1-Ammopack
1000 pcs
www.vishay.com
36
For Technical Questions, contact ff1aresistors@vishay.com
Document Number 20114
Revision 24-Oct-00
PMA0207
Metal Film Resistors, Precision, High Stability
DIMENSIONS
MODEL
6 mm
L
1
L
D
d
Vishay Draloric
D
max
PMA0207
2.5
-0.3
DIMENSIONS
[in millimeters]
L
L
1 MAX
B
d
6.3
-0.5
7.5
53±1
0.6
e
7.50
e
B
· Taping in acc. with IEC60286-1
· D and L measured in acc. with IEC60294
· d according to IEC60301
TECHNICAL SPECIFICATIONS
PARAMETER
Rated Dissipation at 70°C
Limiting Element Voltage
1)
Insulation Voltage (1min)
Thermal Resistance
Insulation Resistance
Category Temperature Range
Terminal Strength, axial
Failure Rate
Weight
1)
UNIT
W
V
V
eff
K/W
Ω
°C
N
10
-9
/h
g
PxR
PMA0207
0.125
≤
250
> 500
≤
140
PMA0207
0.25
≤
250
> 500
≤
140
≥
10
11
PMA0207
0.4
≤
250
> 500
≤
140
- 25/+ 85
> 50
- 55/+ 105
> 50
<1
- 55/+ 125
> 50
0.22
0.22
0.22
Rated Voltage
PACKAGING
MODEL
T.C.
ppm /
°
C
PIECES / REEL
REEL
CODE
PIECES / BOX
BOX
CODE
MIN. ORDER QTY
PACKAGING UNITS
PMA0207
5 - 25
5000
R5
5000
2000
1000
500
A5
A2
A1
AC
1
1
1
1
Document Number 20114
Revision 24-Oct-00
For Technical Questions, contact ff1aresistors@vishay.com
www.vishay.com
37
PMA0207
Vishay Draloric
TEMPERATURE RISE IN ˚C
60
50
40
30
20
10
0
0
0.2
0.4
0.6
0.8
1.0
0 -55
-25
0
25
50
Metal Film Resistors, Precision, High Stability
RATED POWER IN %
120
100
80
60
40
20
75 85 105 125
70
AMBIENT TEMP. IN ˚C
TEMPERATURE RISE
RATED POWER IN %
POWER IN W
DERATING
CURRENT NOISE IN
µ
V/V
10
5
1
0.5
120
110
100
90
80
70
60
10
100
1K
10K
100K
1M
0.1
0.05
0.01
100
1K
10K
100K
1M
10M
RESISTANCE VALUE IN
Ω
NON-LINEARITY
IMPEDANCE
10K
CURRENT NOISE
RESISTANCE CHANGE
∆
R/R %
0.3
RESISTANCE VALUE IN
Ω
+ 25
0.2
+ 15
0.1
0
-0.1
-0.2
- 25
-0.3
-50
-25
0
25
50
75
100 125
AMBIENT TEMPERATURE IN ˚C
-5
-10
- 15
+10
+5
10K
1K
1K
100
Ω
100
Ω
10
Ω
1
10
10
Ω
100
1000
FREQUENCY IN MHz
HF-CHARACTERISTICS PMA0207
RESISTANCE CHANGE
∆
R/R %
0.10
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
0
10
100
1k
TEMPERATURE CHARACTERISTICS
125˚C
85˚C
10k
100k
1M
RESISTANCE VALUE IN
Ω
ENDURANCE
at upper category temperature 1000h
www.vishay.com
38
For Technical Questions, contact ff1aresistors@vishay.com
Document Number 20114
Revision 24-Oct-00
TC IN ppm/˚C
PMA0207
Metal Film Resistors, Precision, High Stability
STABILITY NOMOGRAM, TYPICAL VALUES
(For handling see General Information)
TEMPERATURE RISE
ϑ
ü[˚C]
Vishay Draloric
140
120
100
140
120
ϑü
= f [ϑs]
100
80
60
40
20
0
20
40
60
80
100
120
PARAMETER:
ϑu
0˚C
=2
ϑ
˚C
40
˚C
60
˚C
80
0˚C
10
0˚C
12
0˚C
14
140
160 180
PMA
0207
80
60
40
ϑü
= f [P]
PARAMETER : SIZE
20
0
1.0
0.8
0.6
0.4
0.2
0
LOAD P [W]
0.01
FILM TEMPERATURE
ϑs
[°C]
∆
R/R [%] after 1000h
RESISTANCE CHANGE
∆
R/R (t) = f [∆R/R (t = 1000h)]
PARAMETER : TIME
0.01
10
Ω
10
0
Ω
,1
K
10
K
100
K
1M
∆
R/R [t = 1000 h] = f [ϑs]
PARAMETER: RESISTANCE VALUE
t=
10
0
0
00
h
0h
00 00h
10 50
0h
00 00h
2 0
1
0.1
0.1
1
10
1
0.1
0.01
RESISTANCE CHANGE
∆
R/R [%]
1
20
40
60
80
100
120 140 160 180
FILM TEMPERATURE
ϑs
[°C]
PERFORMANCE
TEST
Endurance Test at 70°C
IEC 60115-1 4.25.1
Endurance at UCT
IEC 60115-1 4.25-3
Overload Test
IEC 60115-1 4.13
Thermal Shock
IEC 60115-1 4.19; IEC 60068-2-14
Climatic Sequence
IEC 60115-1 4.23
Damp Heat Steady State
IEC 60115-1 4.24; IEC 60068-2-3
Resistance to Soldering Heat
IEC 60115-1 4.18; IEC 60068-2-20
Robustness of Terminations
IEC 60115-1 4.16; IEC 60068-2-21
Vibration
IEC 60115-1 4.22; IEC 60068-2-6
* Over a resistance range 100Ω to 100K
CONDITIONS OF TEST
1000 hours at 70°C P=0.25W, 1.5 hours "ON", 0.5 hours "OFF"
1000 hours at 70°C P=0.125W, 1.5 hours "ON", 0.5 hours "OFF"
1000 hours at 85°C without load
8000 hours at 85°C without load
Short time overload for 5 seconds
at 2.5 x rated voltage or
≤
twice the limiting element voltage
Rapid change between upper and lower category temperature
Dry heat, damp heat cyclic, cold, low air pressure
56 days at 40°C and 93% relative humidity
10 seconds at 260°C solder bath temperature
Tensile, bending and torsion
0.75mm or 10g, 10 Hz - 500 Hz 6 hours
TEST RESULTS
1)
≤ ±
0.1%
≤ ±
0.05%
≤ ±
0.05%
≤ ±
0.1%
≤ ±
0.01%
≤ ±
0.01%
≤ ±
0.1%
≤ ±
0.1%
≤ ±
0.01%
≤ ±
0.01%
≤ ±
0.01%
APPLICABLE SPECIFICATIONS
• CECC40000 / 40300
• EN 140100 / IEC 60115-1
Document Number 20114
Revision 24-Oct-00
For Technical Questions, contact ff1aresistors@vishay.com
www.vishay.com
39
TI Technology Forum
京公网安备 11010802033920号
EEWORLD
