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Axial lead resistor Caddock MS220-50.0-1% featuring non inductive serpentine pattern and ceramic core

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Axial lead resistor Caddock MS220-50.0-1% featuring non inductive serpentine pattern and ceramic core

Type : Metal Oxide Film Resistor

Resistance : 50Ω

Power(Watts) : 2W

Temperature Coefficient : ±50ppm/℃

Tolerance : ±1%

Description : Metal Oxide Film Resistor 50Ω 2W ±50ppm/℃ ±1% Axial Through Hole Resistors RoHS

Mfr. Part # : MS220-50.0-1%

Model Number : MS220-50.0-1%

Package : Axial

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Product Overview

The Caddock Type MS Power Film Resistors are axial-lead resistors designed for high-performance applications, offering a wide resistance range and a maximum operating temperature of +275C. These resistors deliver full power and voltage ratings without derating, providing non-inductive performance and extended critical resistance values. They feature higher voltage ratings without the limitations of minimum wire size and spacing, and exhibit excellent long-term stability with typical drift of 0.05% per 1,000 hours. Constructed with Caddock's proprietary Micronox resistance films fired onto a ceramic core, and utilizing a patented non-inductive serpentine resistive pattern, these resistors ensure maximum flux field cancellation for faster settling times and minimum distortion in high-frequency circuits. They are produced under intensive manufacturing controls, including power conditioning, overvoltage conditioning, and maximum temperature conditioning, and are included in the Caddock Reliability Testing Program. Suitable for demanding circuit designs where cost and complexity reduction are paramount.

Product Attributes

  • Brand: Caddock Electronics, Inc.
  • Resistance Film: Micronox Complex Metal Oxide
  • Core Material: High Strength Solid Ceramic
  • End Caps: Nickel Alloy
  • Lead Material: Nickel Clad Copper with thin Gold Plate (solderable); optional pure nickel leads available for welding applications on specific models.
  • Encapsulation: High Temperature Silicone Conformal Coating
  • Certifications/Approvals: Conformance to Mil-I-45208 requirements approved in many recent surveys.
  • Patents: Certain products covered by one or more patents; patents pending.
  • Origin: USA (implied by address)

Technical Specifications

Model No. Power (Watts) at +125C Power (Watts) at +25C Resistance Min. Resistance Max. Max. Voltage (VDC) Dielectric Strength (VDC) Dimensions (inches tolerance) Dimensions (mm tolerance)
MS126 0.25 0.50 20 1 Meg 200 500 A: .188 .020, B: .070 .015, C: .020 .002 A: 4.78 .51, B: 1.78 .38, C: .51 .05
MS150 0.30 0.60 20 2 K 200 500 A: .188 .020, B: .070 .015, C: .020 .002 A: 4.78 .51, B: 1.78 .38, C: .51 .05
MS151 0.45 0.75 20 2 Meg 300 750 A: .250 .020, B: .094 .015, C: .025 .002 A: 6.35 .51, B: 2.39 .38, C: .64 .05
MS175 0.45 0.75 20 2 K 300 750 A: .250 .020, B: .094 .015, C: .025 .002 A: 6.35 .51, B: 2.39 .38, C: .64 .05
MS176 0.60 1.2 45 5 Meg 500 750 A: .313 .020, B: .094 .015, C: .025 .002 A: 7.95 .51, B: 2.39 .38, C: .64 .05
MS210 0.60 1.8 45 3 K 500 750 A: .313 .030, B: .109 .025, C: .025 .002 A: 7.95 .76, B: 2.77 .64, C: .64 .05
MS214 0.60 1.8 45 5 Meg 500 750 A: .400 .060, B: .140 .030, C: .025 .002 A: 10.16 1.52, B: 3.56 .76, C: .64 .05
MS220 1.2 2.4 20 10 Meg 1,000 800 A: .575 .050, B: .165 .030, C: .032 .002 A: 14.61 1.27, B: 4.19 .76, C: .81 .05
MS221 1.8 2.4 45 10 Meg 1,000 800 A: .480 .060, B: .230 .030, C: .040 .002 A: 12.19 1.52, B: 5.84 .76, C: 1.02 .05
MS223 1.8 3.6 20 4 Meg 800 1,000 A: .950 .060, B: .230 .030, C: .040 .002 A: 24.13 1.52, B: 5.84 .76, C: 1.02 .05
MS244 2.4 4.8 45 15 Meg 2,000 1,000 A: .570 .060, B: .300 .030, C: .040 .002 A: 14.48 1.52, B: 7.62 .76, C: 1.02 .05
MS245 2.4 3.6 20 6 Meg 800 1,000 A: .970 .060, B: .300 .030, C: .040 .002 A: 24.64 1.52, B: 7.62 .76, C: 1.02 .05
MS260 3.6 6.0 45 15 Meg 2,000 1,000 A: .910 .060, B: .350 .040, C: .040 .002 A: 23.11 1.52, B: 8.89 1.02, C: 1.02 .05
MS281 4.8 7.5 45 8 Meg 2,000 1,000 A: 1.250 .070, B: .350 .040, C: .040 .002 A: 31.75 1.78, B: 8.89 1.02, C: 1.02 .05
MS310 6.0 9.0 45 20 Meg 4,500 1,000 A: 2.000 .080, B: .350 .040, C: .040 .002 A: 50.80 2.03, B: 8.89 1.02, C: 1.02 .05
MS313 7.5 12.5 50 30 Meg 6,000 1,000 A: 2.000 .080, B: .350 .040, C: .040 .002 A: 50.80 2.03, B: 8.89 1.02, C: 1.02 .05
MS315 9.0 15.0 50 1 Meg 1,000 1,000 A: 3.000 .090, B: .350 .040, C: .040 .002 A: 76.20 2.29, B: 8.89 1.02, C: 1.02 .05
MS322 13.2 22.0 100 1.5 Meg 1,000 1,000 A: * , B: * , C: * A: * , B: * , C: *

Other Specifications:

  • Resistance Tolerance: 1% (tolerances to 0.1% on special order)
  • Temperature Coefficient: 50 ppm/C (referenced to +25C, R taken at -15C and +105C)
  • Insulation Resistance: 10,000 Megohms, min.
  • Overload/Overvoltage: 5 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds. R 0.5% max. or 0.5 ohm max., whichever is greater.
  • Thermal Shock: Mil-Std-202, Method 107, Cond. C, R 0.5% max. or 0.5 ohm max., whichever is greater.
  • Moisture Resistance: Mil-Std-202, Method 106, R 0.5% max. or 0.5 ohm max., whichever is greater.
  • Load Life: 1,000 hours at rated power at +25C or +125C (see derating curve), not to exceed rated voltage, R 0.5% max. or 0.5 ohm max., whichever is greater. Mounting method per Mil-R-39007, para. 4.7.2 "conditioning".
  • Maximum Operating Temperature: +275C

Ordering Information Example: MS220 -100K - 1% (Model Number - Resistor Value - Tolerance)

Derating Curve:

(Visual representation of derating curve not possible in text format. Refer to original document for graphical data.)

Note: Models with Caddock's Non-Inductive Resistance Pattern are indicated in non-shaded areas of the specification table. Shaded areas indicate models with low inductance construction.


2411041705_Caddock-MS220-50-0-1-_C20484764.pdf


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