General catalogue - Caddock Electronics - #9

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■ vue cimi I hum I leoioiancc riccioiou vmiu Resis
10 Meg to 100 Meg, 1% Tolerance, Temperature Coefficient to as low as 25 ppm/°C
These high resistance precision chip resistors are designed for use in extremely low signal detection / amplification circuits. Applications include: Photodiode signal amplification, photomultipliers, ionization detection, etc. These precision high resistance chip resistors can also be ideal for use as the input resistor for high impedance voltage division.
Style FC - Flip Chip version for surface mount applications. This version has solderable metallized termination pads on one side of the substrate, the same side as the resistive element. The back side of the substrate is bare ceramic.
Style WB - Wire Bond versions for hybrid applications are available on a custom basis for high quantity applications. Contact Applications Engineering.
Style FC - Flip Chip Version is a surface mount version with solderable pads for flip chip soldering.
Model
Max. Voltage Rating
Max. Temp.
Din
■ ■
ers)
Comments
Resistance
ensions in inches and (millimel
Min.
Max.
A
B
C
D
CHR2520FC
10 Meg
100 Meg
150
+85°C
.250 ±.007 (6.35 ±.18)
.200 ±.007 (5.08 ±.18)
.027 ±.003 (.69 ±.08)
.033 min. (.84)
Solderable Pads
Standard Resistance Values:
Tolerance ±1% Standard.
10.0 Meg 50.0 Meg
20.0 Meg 75.0 Meg
25.0 Meg 80.0 Meg
40.0 Meg 100 Meg
Specifications:
Temperature Coefficient:
10 Meg to 25 Meg:
25 ppm/°C -40°C to +85°C, referenced to +25°C.
Above 25 Meg:
35 ppm/°C +10°C to +40°C, referenced to +25°C. 70 ppm/°C -40°C to +85°C, referenced to +25°C. TC is referenced to +25°C, AR taken at low temperature and high temperature.
Load Life: 1000 hours at rated voltage at +85°C, AR ± 0.3% max.
Momentary Overload: 1.5 times rated voltage, for 5 seconds, AR ± 0.3% max.
Thermal Shock: Mil-Std-202, Method 107. -40°C to +85°C, 5 cycles, AR ± 0.3% max.
Operating Temperature: -40°C to +85°C.
Ordering Information:
Custom
Type CHR Resistors
Custom resistance values and non-standard tolerances can be manufactured for high quantity applications. Please contact Caddock Applications Engineering.
Higher Resistances up to 1,000 Meg
Higher Voltage Ratings
Application Optimized Tolerance and TC
Precision Tolerance to ±0.25%
Offset TC (such as -150 ppm/°C ±50 ppm/°C)
Gold Wire Bondable Versions
Aluminum Wire Bondable Versions
Packaging information:
Style FC, flip chip resistors, are shipped with the bare ceramic side up in the pocket, with the solderable pads facing down.
The illustration shows the orientation of the pocket. The CHR2520FC is available only with this pocket orientation.
' o o o o o
12mm
0.473"
7" dia. _ (178 mm)
|*-Ao-*|
Ko signifies tape thickness and dimension
Size 2520
Ao
0.271" (6.88mm)
Bo
0.216" (5.49mm)
Ko
0.066" (1.68mm)
.512" arbor hole (13mm)
Carrier Tape and pocket dimensions: Tape is 12mm Carrier Tape (8mm pitch)
- Physical Size
2520 = 0.250" x 0.200"
Full reel quantities:
1000 pieces per reel. Quantities of less than 250 will be shipped in tape without reel and without tape leader at the option of Caddock. Tape dimensions and materials will be consistent with EIA-481-1. Reels will be marked with a label containing Caddock logo, part number, resistor value, tolerance, packag i ng date, and quantity.
CHR 2520 FC - 10.0 Meg - 1%
JT--
Type CHR
Style: -
FC
Resistor Value (Q)-
See "Standard Resistance Values"
Applications Engineering Sales and Corporate Office
17271 North Umpqua Hwy. Ihlf* 1717 Chicago Avenue
Roseburg, Oregon 97470-9422 If WW. Riverside, California 92507-2364
Phone: (541) 496-0700 e-mail: caddock@caddock.com • web: www.caddock.com Phone: (951) 788-1700
Fax: (541) 496-0408 For Caddock Distributors listed by country see caddock.com/contact/dist.html Fax: (951) 369-1151
© 2004 Caddock Electronics, Inc.
28_IL133.1004

pageCatalog pdf di En 2012-02-07-15