HIGH POWER AXIAL-LEADED RESISTORS

Axial Ceramic Resistors

Non-inductive, high voltage, high-energy, high power axial-leaded resistors providing excellent performance that must be handled in a small size. 

As alternatives to hard-to-find carbon composition resistors, non-inductive high power axial-leaded resistors can be used as drop-in replacements for 1 and 2 watt sizes. Much larger sizes, up to 70 watts in a single component, are available for new or re-designs where an array of smaller resistors have been previously required.

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Electrical Specifications
Dimensions
Additional Info

Type AS Axial Ceramic Resistors

Body Size Resistance Range, Ohms Dia. (D) Max. In. (mm) Length (L) Max. In. (mm Average power1, Watts Rated peak energy2, Joules Rated peak voltage3, Volts Typical resistor body weight4, Gr
231AS 25-6350 0.2 (5.1) 0.75 (19.1) 1.5 75 1500 0.44
233AS 6-1800 0.31 (7.9) 0.75 (19.1) 2 170 1100 1.2
234AS 12-5000 0.31 (7.9) 1.125 (28.6) 3 275 2500 1.9
250AS 4-1200 0.44 (11.1) 0.75 (19.1) 2.5 260 1500 1.9
251AS 8-2300 0.44 (11.1) 1.125 (28.6) 3.5 400 2500 3
102AS 30-9000 0.31 (7.9) 2.125 (54.0) 5 600 3000 3.8
252AS 20-5800 0.44 (11.1) 2.125 (54.0) 6 900 3000 6
104AS 55-18000 0.31 (7.9) 4.125 (104.8) 9 1200 9000 7.6
254AS 36-12000 0.44 (11.1) 4.125 (104.8) 11 1800 9000 12
106AS 90-30000 0.31 (7.9) 6.125 (155.6) 13 1900 15000 11.4
256AS 60-20000 0.44 (11.1) 6.125 (155.6) 16 2900 15000 18
109AS 150-48000 0.31 (7.9) 9.125 (231.8) 20 3000 25000 17.1
259AS 100-32000 0.44 (11.1) 9.125 (231.8) 20 4600 25000 27

Type BA Axial Ceramic Resistors

Body Size Resistance Range, Ohms Dia. (D) Max. In. (mm) Length (L) Max. In. (mm Average power1, Watts Rated peak energy2, Joules Rated peak voltage3, Volts Typical resistor body weight4, Gr
231BA 6000-390000 0.2 (5.1) 0.75 (19.1) 1.2 35 1200 0.44
233BA 1800-150000 0.31 (7.9) 0.75 (19.1) 1.6 80 900 1.2
234BA 4000-300000 0.31 (7.9) 1.125 (28.6) 2.4 140 2000 1.9
250BA 1000-130000 0.44 (11.1) 0.75 (19.1) 2 130 1200 1.9
251BA 2000-190000 0.44 (11.1) 1.125 (28.6) 3 200 2000 3
102BA 9000-700000 0.31 (7.9) 2.125 (54.0) 4 300 2400 3.8
252BA 5000-450000 0.44 (11.1) 2.125 (54.0) 5 450 2400 6
104BA 18000-1000000 0.31 (7.9) 4.125 (104.8) 7 600 7000 7.6
254BA 12000-970000 0.44 (11.1) 4.125 (104.8) 9 900 7000 12
106BA 30000-1000000 0.31 (7.9) 6.125 (155.6) 10 1000 12000 11.4
256BA 20000-1000000 0.44 (11.1) 6.125 (155.6) 13 1500 12000 18
109BA 48000-1000000 0.31 (7.9) 9.125 (231.8) 16 1500 20000 17.1
259BA 30000-1000000 0.44 (11.1) 9.125 (231.8) 20 2300 20000 27

Type SP Axial Ceramic Resistors 

Body Size Resistance Range, Ohms Dia. (D) Max. In. (mm) Length (L) Max. In. (mm Average power1, Watts Rated peak energy2, Joules Rated peak voltage3, Volts Typical resistor body weight4, Gr
231SP 1-1000 0.2 (5.1) 0.75 (19.1) 2.5 15 375 0.44
233SP 1-120 0.31 (7.9) 0.75 (19.1) 7 20 375 1.2
234SP 1-330 0.31 (7.9) 1.125 (28.6) 10 30 500 1.9
250SP 1-150 0.44 (11.1) 0.75 (19.1) 8.5 20 375 1.5
251SP 1-330 0.44 (11.1) 1.125 (28.6) 12 30 500 2.4
102SP 1-700 0.31 (7.9) 2.125 (54.0) 15 50 1000 3.8
252SP 1-460 0.44 (11.1) 2.125 (54.0) 18 75 1000 4.8
104SP 2-1500 0.31 (7.9) 4.125 (104.8) 25 95 3600 7.6
254SP 2-1000 0.44 (11.1) 4.125 (104.8) 31 150 3600 9.6
106SP 3-2400 0.31 (7.9) 6.125 (155.6) 36 155 5000 11.4
256SP 2-1600 0.44 (11.1) 6.125 (155.6) 45 240 5000 14.4
109SP 4-3800 0.31 (7.9) 9.125 (231.8) 55 250 8800 17.1
259SP 3-2500 0.44 (11.1) 9.125 (231.8) 70 380 8800 21.6

1) Rated power: De-rate linearly to 0 Watts at 230°C for Type AS and BA. De-rate linearly to 0 Watts at 350°C for Type SP.
2) Allowable peak energy/voltage will depend on the resistance value and pulse width. Energy ratings are based on pulse < 10 milliseconds. Type SP rating can be substantially greater for longer pulses. Consult us if you need more information.
3) Peak Current Ratings presume energy approaching rated peak energy values. Allowable current can be higher for low energy values. Consult us if you need more information.
4) Excludes caps/leads and coating.

Size Diam. D max. in (mm) Length L max. in. (mm)
231 0.2 (5.1) 0.75 (19.1)
233 0.31 (7.9) 0.75 (19.1)
234 0.31 (7.9) 1.125 (28.6)
250 0.44 (11.1) 0.75 (19.1)
251 0.44 (11.1) 1.125 (28.6)
102 0.31 (7.9) 2.125 (54.0)
252 0.44 (11.1) 2.125 (54.0)
104 0.31 (7.9) 4.125 (104.8) 
254 0.44 (11.1) 4.125 (104.8) 
106 0.31 (7.9) 6.125 (155.6)
256 0.44 (11.1) 6.125 (155.6)
109 0.31 (7.9) 9.125 (231.8)
259 0.44 (11.1) 9.125 (231.8)

 

TYPE SP

Withstands high operating temperatures resulting in high power dissipation. Maximum continuous operating temperature is specified at 350°C. This type is suitable for use in oil without an oil-resistant coating.

TYPE AS

Best suited for high energy and voltage pulse applications. Maximum continuous operating temperature is specified at 230°C. The standard dielectric coating is recommended for use in air, and the oil-resistant coating is recommended for use in oil.

Appplications:

  • Soft Start/In-rush Limiters
  • RC Snubber Circuits
  • Spark-Gap Limiters
  • Parasitic Suppression
  • High Voltage Power Supplies
  • Pulse Waveform
  • EMI/EFI Test Circuits
  • RF Dummy Load Circuits
  • Capacitor Dump Circuits

TYPE BA

Best suited for high energy and voltage pulse applications where the required resistance value is above the resistance values available in Type SP and Type AS resistors. Maximum continuous operating temperature is specified at 230°C. The standard dielectric coating is recommended for use in air, and the oil-resistant coating is recommended for use in oil.

Appplications:

  • DC Coupling and Filter Cap Discharge
  • Voltage Balancing
  • Pre-charge / Inrush Limit
  • Voltage Divider
  • Filter
  • Snubber
  • Crowbar
  • Measuring
  • EMI / EFI Test Circuits
  • Test Loads

Physical properties (nominal)

  Type SP resistors Type BA & AS resistors
Density 2.2 - 2.4 gm/cc 2.2 - 2.6 gm/cc
Specific heat 0.24 - 0.26 cal/gm °C 0.23 - 0.25 cal/gm °C
Thermal conductivity 0.14 - 0.16 cal/cm -°C - sec 0.003 - 0.006 cal/cm -°C - sec

Power Rating Curves