RES 330 OHM 20W 1% TO220

PWR220T-20-3300F

Manufacturer Part NumberPWR220T-20-3300F
DescriptionRES 330 OHM 20W 1% TO220
ManufacturerBourns Inc.
SeriesPWR
PWR220T-20-3300F datasheet
 


Specifications of PWR220T-20-3300F

Tolerance±1%Temperature Coefficient±100ppm/°C
Resistance (ohms)330Power (watts)20W
CompositionThick FilmFeaturesCurrent Sense, Pulse Withstanding
Size / Dimension0.398" L x 0.158" W (10.10mm x 4.00mm)Height0.575" (14.60mm)
Lead StyleThrough HolePackage / CaseTO-220-2
Resistance In Ohms330CaseTO-220
Resistance330 OhmsPower Rating20 Watts
Termination StyleRadialVoltage Rating2 KVolts
Operating Temperature Range- 55 C to + 155 CDimensions4 mm W x 10.1 mm L x 14.6 mm H
Lead Spacing5.08 mmProductThick Film Resistors Leaded
Resistance Tolerance± 1%Resistor Element MaterialThick Film
Resistor Case StyleTO-220Rohs CompliantYes
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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General Information
®
Bourns
PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured using thick fi lm on alumina ceramic technology, it
is used in current measurement, snubber, bleeder and discharge circuits.
Electrical & Thermal Characteristics
Parameter
Resistance (See table of standard values)
Power Rating @ 25 ˚C Case Temperature
Tolerance
TCR
0.02 Ω<R<130.0K Ω
Thermal Resistance - R thj
Inductance
Operating Voltage
Dielectric Strength
Insulation Resistance
Operating Temperature
** Available for most values. Check Standard Resistance Values table.
Reliability Characteristics
Parameter
Short Term Overload (2x Pr for R < 2 Ω,
1.6 x Pr for R ≥ 2 Ω, V < 1.5 x Operating Voltage)
Load Life (1000 hours at rated power)
Thermal Shock (-55 ˚C to 155 ˚C, 5 cycles)
Resistance to Soldering Heat (10 seconds at 270 ˚C)
Vibration (20 G 10-2000 Hz .06 ” D.A.)
Terminal Strength (MIL-STD-202, Method 211
Test A1)
Shock (Saw Tooth: 100 g/6 ms)
Humidity (Steady State) 1000 hrs. 85 °C/85 % RH
High Temperature Exposure
(100 hrs - 40 % Pr @ +125 °C)
Derating Curve
120
100
80
60
40
20
0
-20
25
35
45
55
65
Temperature of Backplate (°C)
Features
TO-220 housing
Low inductance
Resistor electrically isolated from the
backplate
High power rating
RoHS compliant*
PWR220T-20 Series Power Resistor
Value(s)
0.02 Ω to 130 KΩ
20 W
±1 %**,
±5 %
±100 PPM/˚C
6.5 ˚C/W
0.1 µH maximum
√P*R with a maximum of 250 V
2 KV AC
10 GΩ
-55 ˚C to 155 ˚C
Specifi cation
ΔR
±0.25 %
ΔR
±1.0 %
ΔR
±0.5 %
ΔR ±0.5 %
ΔR ±0.25 %
ΔR ±0.2 %
ΔR ±0.5 %
ΔR ±0.5 %
ΔR ±0.5 %
75
85
95 105
115 125 135 145 155
Customers should verify actual device performance in their specifi c applications.
Applications
Power supplies
Motor drives
Test and measurement
Rectifi ers
Material Characteristics
Resistor .................................. Thick fi lm
Substrate ......................Alumina (AL203)
Housing ........................................Epoxy
Pins ....................Tinned Copper (Sn/Cu)
Flammability ........Conforms to UL-94V0
Packaging
............................................50 pcs./tube
Standard Resistance Values
Resistance
Resistance
Code
Value
Code
Value
R020
0.02***
20R0
20
R050
0.05***
30R0
30
R100
0.1
33R0
33
R500
0.5
47R0
47
R750
0.75
50R0
50
1R00
1
56R0
56
1R50
1.5
75R0
75
2R00
2
1000
100
2R20
2.2
2000
200
2R50
2.5
3300
330
3R00
3
4700
470
3R30
3.3
7500
7500
4R70
4.7
1001
1000
5R00
5
3301
3300
7R50
7.5
1002
10000
8R20
8.2
3002
33000
10R0
10
1003
100000
15R0
15
1303
130000
*** 5 % Tolerance
Typical Part Marking
MODEL
NUMBER
220
20
RESISTANCE
TOLERANCE
CODE
R500 1%
DATE CODE
902
MANUFACTURER'S
COUNTRY
COSTA RICA
TRADEMARK
OF ORIGIN
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifi cations are subject to change without notice.

PWR220T-20-3300F Summary of contents

  • Page 1

    ... General Information ® Bourns PWR220T-20 Series is a TO-220 DPAK style power resistor. Manufactured using thick fi alumina ceramic technology used in current measurement, snubber, bleeder and discharge circuits. Electrical & Thermal Characteristics Parameter Resistance (See table of standard values) Power Rating @ 25 ˚C Case Temperature ...

  • Page 2

    ... PWR220T-20 Series Power Resistor Product Dimensions 10.1 3.6 (.398) (.142) 6.0 2.5 (.236) (.098) 8.63 (.340) 13.72 (.540) 0.72 (.029) 5.08 (.200) DIMENSIONS: Pulse Power Rating 100 10 1 0.1 0. Overload Duration in Seconds The energy absorbed by the resistor expressed in Joules can be calculated by multiplying the peak power of the pulse in watts times the length of the pulse in seconds ...