Z202
Vishay Foil Resistors
Ultra High Precision Z-Foil Miniature Resistor with
TCR of 0ꢀ0ꢁ ꢂꢂpm/C, PCR of ꢁ ꢂꢂp at Rated Power
and Tolerance to 0ꢀ0ꢃ ꢄ
FEATURES
• Temperature coefficient of resistance (TCR):
074ꢁ -
ꢃ00R0ꢃ
V
%
Z202
0ꢀ0ꢃ
0.05 ppm/°C typical (0 °C to + 60 °C);
0.2 ppm/°C typical (- 55 °C to + 125 °C,
+ 25 °C ref.)
Pb-free
Available
RoHS*
• Tolerance: to 0.01 %
COMPLIANT
• Power coefficient of resistance (PCR) “ΔR due
to self heating”: 5 ppm at rated rower
• Electrostatic discharge (ESD) above 25 000 V
• Resistance range: 5 Ω to 30 kΩ
Any value at any tolerance available with resistance range
The Z202 is a miniaturized version of the now famous Z201. It is
made with a Bulk Metal® Z-Foil element so it retains all of the
inherent performance of Z-Foil resistors.
(for higher or lower values, please contact us)
• Power rating: 0.25 W at + 70 °C; 0.125 W at + 125 °C
• Load life stability: 0.01 % maximum ΔR at + 70 °C at
Rated power for 2000 h
• Non inductive, non capacitive design
• Current noise: - 40 dB
• Thermal EMF: < 0.1 µV/°C
• Voltage coefficient: < 0.1 ppm/V
The Z-Foil technology provides a significant reduction of the
resistive component’s sensitivity to ambient temperature
variations (TCR) and applied power changes (PCR).
Designers can now guarantee a high degree of stability and
accuracy in fixed-resistor applications using solutions based
on Vishay’s revolutionary Z-Foil technology.
• Non inductive: < 0.08 µH
• Non hot spot design
• Maximum working voltage: 250 V
• Terminal finishes available: lead (Pb)-free
Our Application Engineering Department is available to
advise and to make recommendations. For non-standard
technical requirements and special applications, please
contact us.
tin/lead alloy
• Any value available within resistance range (e.g. 1K234)
• Prototype samples available from 48 h. For more
information, please contact foil@vishay.com
• For better performances, please see Z201 datasheet
FIGURE 1 - IMPRINTING AND DIMENSIONS
FIGURE 2 - POWER DERATING CURVE
Front View
Rear View
- 55 °C
+ 70 °C
200 %
175 %
150 %
125 %
100 %
75 %
50 %
25 %
0
Date Code
07 4ꢁ
Year Week
For Lead (Pb)-free Oꢂtion
Double Rated Power
Rated Power
Resistance
Value Code
L
W
074ꢁ -
ꢃ00R0ꢃ
0ꢀ0ꢃ %
H
Tolerance
LL
V
Z202
ST
LS
Lead Material
#22 AWG (0ꢀ02ꢁ Diaꢀ)
Solder Coated Coꢂꢂer
- 75 - 50 - 25
0
+ 25 + 50 + 75 + 100 + 125 + 150 + 175 + 200
Apbient Tepꢂerature (/C)
DIMENSIONS
INCHES
pp
L:
0.250 0.010
0.250 0.010
0.125 0.010
0.020 0.010
0.750 minimum
0.125 0.005
6.35 0.25
TABLE 1 - TOLERANCE AND TCR VERSUS
H:
6.35 0.25
3.18 0.25
TYPICAL TCR AND
STANDARD
TOLERANCE
W:
ST:
LL:
LS:
VALUE
MAXIMUM SPREAD
- ꢁꢁ /C to + ꢃ2ꢁ /C (+ 2ꢁ /C Refꢀ)
0.51 0.25
50
20
10
Ω
Ω
Ω
to 30 k
Ω
0.01 %
0.02 %
0.05 %
0.1 %
0.2 1.8
0.2 2.8
0.2 4.8
0.2 6.8
19.05 minimum
3.18 0.13
to < 50
to < 20
Ω
Ω
5
Ω to < 10 Ω
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 63131
Revision: 13-Nov-07
For any questions, contact: foil@vishay.com
www.vishay.com
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