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PDF TF020R Datasheet ( Hoja de datos )

Número de pieza TF020R
Descripción Low TC Ultra-Precision Film Resistors
Fabricantes Caddock 
Logotipo Caddock Logotipo

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TF020R Hoja de datos, Descripción, Manual
Type TF Low TC Ultra-Precision Film Resistors
Absolute TC to 5 ppm/°C, Values from 1 Kohm to 125 Megohms, Absolute Tolerance to ±0.01%
Type TF precision resistors employ the Caddock Tetrinox® resistance
films - the resistance system that sets a new standard for high value,
ultra-stable precision resistors that provide an exceptional combination of
performance characteristics:
Ultra-Precision - Five standard resistance tolerances from ±1% to ±0.01%.
A Wide Range of Resistance Values - from 1 Kohm to 125 Megohms.
Low Temperature Coefficient - 5 ppm/°C, 10 ppm/°C, or 15 ppm/°C.
Long-Term Stability - to 0.01% per 1,000 hours.
This approach to quantity production of ultra-precision discrete resistors is
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Type TF - Standard Resistance Range - 1 Kohm to 10 Megohms
Model Number
Wattage
Axial Leads Radial Leads @ +70°C
TF 020 N
TF 020 R
0.33
TF 050 N
TF 050 R
0.75
Maximum
Continuous
Oper. Voltage
300
1,400
Resistance
Min. Max.
1 K 2 Meg
10 K
10 Meg
Dimensions inches (mm)
AB
.750 ±.020
(19.05 ±.51)
1.500 ±.020
(38.10 ±.51)
.375 ±.020
(9.53 ±.51)
.500 ±.020
(12.70 ±.51)
Shelf Life: Typically 0.0025% per year
Load Stability:
100
80
60
40
20
0
0.01%
0.02%
0.03%
MAXIMUM %R per 1,000 HOURS
Type TF - Extended Resistance Range - 2 Megohms to 125 Megohms
Model Number
Wattage
Axial Leads Radial Leads @ +70°C
TF 626 N
TF 626 R
0.33
TF 656 N
TF 656 R
0.75
Maximum
Continuous
Oper. Voltage
300
Resistance
Min.
Max.
2.01 Meg
35 Meg
1,400
10.01 Meg 125 Meg
Dimensions inches (mm)
AB
.750 ±.020
(19.05 ±.51)
1.500 ±.020
(38.10 ±.51)
.375 ±.020
(9.53 ±.51)
.500 ±.020
(12.70 ±.51)
Shelf Life: Typically 0.005% per year
Load Stability: 1,000 hours at rated
voltage at +70°C, maximum ΔR 0.03%
1.500 ±.125
(38.10 ±3.18)
A
CADDOCK
TF020N
0428
.075 ±.020
(1.91 ±.51)
.032 (.81)
B
DIMENSIONS IN INCHES AND (MILLIMETERS)
.032
(.81)
A
CADDOCK
TF020R
0418
.075 ±.020
(1.91 ±.51)
B
.50 ±.125
(12.70 ±3.18)
Radial Lead Spacing:
.600 ±.020 (15.24 ±.51) for Models TF020R and TF626R
1.350 ±.020 (34.29 ±.51) for Models TF050R and TF656R
Specifications:
Apply to all Type TF resistor models.
Absolute Temperature Coefficient: 5 ppm/°C,
10 ppm/°C, or 15 ppm/°C referenced to +25°C, ΔR
taken at -15°C and +105°C.
Resistance Tolerance: ±0.01%, ±0.025%,
±0.05%, ±0.10%, or ±1.0%.
Load Life: For ±0.10% or tigher tolerance,
1,000 hours at +70°C. Load stability versus
applied power is shown in the load stability curve
on this page.
Storage Temperature: -55°C to +105°C.
Leadwire: Tinned Copper.
Derating Curve:
100
80
RATED LOAD, % 60
40
20
0
0 35 70 105
AMBIENT TEMPERATURE, °C
Ordering Information:
TF050R - 10.0 Meg - 0.01% - 10 ppm/°C
Model Number
Tolerance
Resistor Value
Temperature
Coefficient
Custom Type TF Resistors
Additional cost savings can be
realized when your high volume
ultra-precision Type TF
resistor is optimized for:
Lightning transient capability
Voltage rating
Power rating
Mechanical configuration
Ratio matched sets
And for special requirements, custom
Type TF resistors are available with:
TC of 5 ppm/°C, 10 ppm/°C, 15 ppm/°C,
20 ppm/°C, or 25 ppm/°C.
Shelf stability of 0.0025% per year.
Type TF resistors can also be produced
with custom-spaced radial leads that will
plug directly into your existing circuit
layout.
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
© 2004 Caddock Electronics, Inc.
CADDOCK
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
28_IL116.1004

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