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AP851 Datasheet

50 Watts TO-220 High Power Resistors

AP851 product image

 

Features

  • 30 Watts at 25˚C case temperature on heat sink
  • Single screw mounting to heat sink
  • Moulded case for protection and easy to mount
  • Non-inductive design
  • Electrically isolated case
  • RoHS Compliant

 

 

A high power TO-220 style resistor package designed for high frequency emitter circuits in switching power supplies. Also used in voltage regulation and low energy pulse loading.

Electrical Specifications

Available Tolerance & Pref.Value Ranges:

J (±5%) K (±10%)

Available TCR:

Not specified

Available Tolerance & Pref.Value Ranges:

F (±1%) , J (±5%) ,K (±10%)

Available TCR:

±300ppm/ ̊C

Available Tolerance & Pref.Value Ranges:

F (±1%) , J (±5%) ,K (±10%)

Available TCR:

±100ppm/ ̊C, ±200ppm/ ̊C

Available Tolerance & Pref.Value Ranges:

D (±0.5%) F (±1%) J (±5%) K (±10%)

Available TCR:

±50ppm/ ̊C, ±100ppm/ ̊C, ±200ppm/ ̊C

 

Preferred value ranges:F (±1%) - E96 , J (±5%) - E24, K (±10%) - E12

Characteristics

2.25 Watts in free air

420V max

1800Vac

10GΩ min

As specified, referenced to 25 ̊C, ∆R taken at +105 ̊C

∆R ±0.3%, 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds

∆R ±1.0%, 2000 hours at rated power

∆R ±0.5%, 40ºC, 90 - 95% R.H max working voltage for 1000 hours with 1.5 hours “ON” and 0.5 hours “OFF“

90% min coverage, 245 ±5 ̊C for 3 seconds

∆R ±0.3%, -65 ̊C - 150 ̊C, 100 cycles

∆R ±0.2%, 2.4 N

∆R ±0.2%, 20g peak

 

Derating Curve

AP851 Graph

Dimensions

(mm)

AP851 Dimensions

 

The information contained herein does not form part of a contract and is subject to change without notice. ARCOL operate a policy of continual product development, therefore,specifications may change.

It is the responsibility of the customer to ensure that the component selected from our range is suitable for the intended application. If in doubt please ask ARCOL.

 

 

ARCOL UK Limited,
Threemilestone Ind. Estate,
Truro, Cornwall, TR4 9LG, UK.
T +44 (0) 1872 277431
F +44 (0) 1872 222002
E [email protected]
www.arcolresistors.com

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