WS8M33R0J - Bourns - Datasheet.Live

Features

■ Surge withstand IEC 61000-4-5 1.2/50 µs

■ Low thermal resistant ceramic core

■ E24 resistance values

■ RoHS compliant*

■ Wide power range (1~8 W)

■ Coating material meets UL 94V-0

requirements

Applications

■ Smart meters

■ Renewable energy

■ Industrial

■ Power supplies/chargers

■ Lighting

■ Instruments/gauges

■ White goods

WS Series High Surge Withstand Wirewound Resistor

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

*RoHS COMPLIANT

Electrical Characteristics

Resistance Range ................................................ See Popular Resistance Values Table

Power Rating @ 70 °C

WS1M, WS1A ........................................................................................................1 W

WS2M, WS2A ........................................................................................................2 W

WS3M, WS3A ........................................................................................................3 W

WS5M, WS5A ........................................................................................................5 W

WS7M, WS7A ........................................................................................................7 W

WS8M ....................................................................................................................8 W

Tolerance ....................................................................................................................5 %

Operating Temperature .........................................................................-55 °C to +200 °C

Temperature Coefﬁ cient ..............................................................................±200 ppm/°C

Maximum Voltage ....................................................................................................√P*R

Physical Characteristics

Resistor .................................................................... Low thermal resistant ceramic core

Lead Wire ......................................................................................Tin-plated copper wire

Coating Material ............................................................... Meets UL 94V-0 requirements

Environmental Characteristics

Test Conditions Speciﬁ cation

Short Time Overload 10 times rated power for 5 seconds. ΔR≤±(5 % ± 0.05 Ω)

Solderability 245 ±3 °C for 2.5 ±0.5 seconds. Over 95 % coverage

Resistance to 260 ±5 °C for 10 ± 1 seconds. ΔR≤±(1 % + 0.05 Ω)

Solder Heat

Temperature Cycle 5 cycles, -55 °C ±3 °C for 30 minutes, Room temperature for ΔR≤±(2 % + 0.05 Ω)

15 minutes, +155 ±2°C for 30 minutes, Room temperature for

15 minutes

Dielectric Strength Test voltage >500 Vrms for >1 minute. Pass

Insulation Resistance Test voltage >500 Vrms for 1 minute. >109 Ω

Load Life Humidity Rated continuous voltage for 1000 hours, 1.5 hours ON and ΔR≤ ±(5 % + 0.05 Ω)

0.5 hours OFF at 90~95 % relative humidity and test temperature

of 40 °C ±2 °C.

Load Life Rated continuous voltage for 1000 hours, 1.5 hours ON and ΔR≤±(5 % + 0.05 Ω)

0.5 hours OFF at a test temperature of 70 °C ±2 °C.

1000 hours at rated power.

Surge IEC 61000-4-5 1.2/50 μs exponential. ΔR≤ ±(5 % + 0.05 Ω)

Popular Resistance Values

Code R Value

15R0 15 Ω

20R0 20 Ω

22R0 22 Ω

33R0 33 Ω

47R0 47 Ω

Code R Value

68R0 68 Ω

1500 150 Ω

1001 1K Ω

3301 3.3K Ω

Other E24 resistance values available upon request.

How to Order

WS 3 M 22R0 J

Product Series

WS = Wirewound, High

Surge Withstand

Power Rating

1 = 1 Watt

2 = 2 Watts

3 = 3 Watts

5 = 5 Watts

7 = 7 Watts

8 = 8 Watts

Pin Style

A = Axial Standard Version

M = Axial Miniaturized Version

Resistance Code

• R<100 ohms:

“R” represents decimal point

(example: 22R0 = 22 ohms)

• R≥100 ohms:

First three digits are signiﬁ cant,

fourth digit represents number of

zeros to follow

(example: 1001 = 1K ohms)

Resistance Tolerance

J = ±5 %

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

WS Series High Surge Withstand Wirewound Resistor

Typical Part Marking

DIMENSIONS: MM

(INCHES)

Product Dimensions

T (DIA.)

Model

Dimensions

L* D W T

WS1M 9.5 ± 1.0

(.374 ± .004)

4.5 ± 1.0

(.177 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.65 ± 0.05

(.026 ± .002)

WS1A 11.5 ± 1.0

(.453 ± .004)

5.0 ± 1.0

(.197 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.65 ± 0.05

(.026 ± .002)

WS2M 11.5 ± 1.0

(.453 ± .004)

5.0 ± 1.0

(.197 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.65 ± 0.05

(.026 ± .002)

WS2A 15.5 ± 1.0

(.610 ± .004)

5.5 ± 1.0

(.217 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS3M 15.5 ± 1.0

(.610 ± .004)

5.5 ± 1.0

(.217 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS3A 17.5 ± 1.0

(.689 ± .004)

6.5 ± 1.0

(.256 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS5M 17.5 ± 1.0

(.689 ± .004)

6.5 ± 1.0

(.256 ± .004)

28.0 ± 3.0

(1.102 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS5A 24.5 ± 1.0

(.965 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS7M 24.5 ± 1.0

(.965 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS7A 29.5 ± 1.0

(1.161 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

WS8M 29.5 ± 1.0

(1.161 ± .004)

8.5 ± 1.0

(.335 ± .004)

38.0 ± 3.0

(1.496 ± .118)

0.75 ± 0.05

(.030 ± .002)

1st Significant

Figure

2nd Significant

Figure

Multiplier

Tolerance

Power Derating Curve

Resistors shall be marked with color

coding. Colors shall be in accordance with

JIS C 0802.

Color 1st

Band

2nd

Band

Multi-

plier Tol.

Black 001 Ω

Brown 1 1 10 Ω±1 %

Red 2 2 100 Ω±2 %

Orange 331K Ω

Yellow 4 4 10K Ω

Green 5 5 100K Ω±0.5 %

Blue 661M Ω±0.25 %

Violet 7 7 10M Ω±0.10 %

Grey 8 8 ±0.05 %

White 99

Gold 0.1 Ω±5 %

Silver 0.01 Ω±10 %

-55 0 50 70 100 150 200 250 275 300

Percent Rated Load (%)

Ambient Temperature (°C)

120

100

3312 - 2 mm SMD Trimming Potentiometer

Speciﬁ cations are subject to change without notice.

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.

Users should verify actual device performance in their speciﬁ c applications.

WS Series High Surge Withstand Wirewound Resistor

08/15

Packaging Speciﬁ cations

Model O P A B C Pkg.

Style

Min. Order

Qty. (Pcs.)

Pcs./

Box

WS1M 58 ± 1

(2.283 ± .039)

5 ± 0.3

(.197 ± .012)

75 ± 5

(2.953 ± .197)

70 ± 5

(2.756 ± .197)

255 ± 5

(10.039 ± .197)

Ammo

Pack

5,000 1,000WS1A, WS2M 58 ± 1

(2.283 ± .039)

5 ± 0.3

(.197 ± .012)

80 ± 5

(3.150 ± .197)

82 ± 5

(3.228 ± .197)

255 ± 5

(10.039 ± .197)

WS2A, WS3M 65 ± 5

(2.559 ± .197)

10 ± 0.5

(.394 ± .020)

90 ± 5

(3.543 ± .197)

119 ± 5

(4.685 ± .197)

255 ± 5

(10.039 ± .197)

WS3A, WS5M 65 ± 5

(2.559 ± .197)

10 ± 0.5

(.394 ± .020)

90 ± 5

(3.543 ± .197)

88 ± 5

(3.465 ± .197)

255 ± 5

(10.039 ± .197) 2,000 500

WS5A, WS7M 90 ± 5

(3.543 ± .197)

10 ± 0.5

(.394 ± .020)

115 ± 5

(4.528 ± .197)

124 ± 5

(4.882 ± .197)

500 ± 5

(19.685 ± .197)

DIMENSIONS: MM

(INCHES)

L1 L2

Z = 1.0

6±1

For WS7A and WS8M packaging speciﬁ cations, please contact factory.

Surge Performance - 1.2/50 µs Pulse Withstanding Curve

10 100 1000 10000

Pulse Voltage (V)

Value (Ohms)

10000

1000

WS1M

WS1A, WS2M

WS2A, WS3M

WS3A, WS5M

WS5A, WS7M

WS7A, WS8M

Asia-Paciﬁ c:

Tel: +886-2 2562-4117

Fax: +886-2 2562-4116

EMEA:

Tel: +36 88 520 390

Fax: +36 88 520 211

The Americas:

Tel: +1-951 781-5500

Fax: +1-951 781-5700

www.bourns.com

Mouser Electronics

Authorized Distributor

Click to View Pricing, Inventory, Delivery & Lifecycle Information:

Bourns:

WS5M1001J WS2M1500J WS5M1500J WS7M22R0J WS1M68R0J WS1M33R0J WS8M22R0J WS3M22R0J

WS3M15R0J WS1A47R0J WS7A15R0J WS2A15R0J WS2A47R0J WS1M15R0J WS1M1500J WS3A20R0J

WS8M20R0J WS7M1001J WS1M20R0J WS3M47R0J WS2A1001J WS5A1500J WS5M3301J WS5A47R0J

WS7A68R0J WS5A22R0J WS1A20R0J WS7A1500J WS2M33R0J WS3A33R0J WS8M1500J WS5M22R0J

WS3A1500J WS5M68R0J WS8M3301J WS2M1001J WS7M15R0J WS5M15R0J WS7M20R0J WS5M33R0J

WS3A47R0J WS1A68R0J WS5A20R0J WS1M22R0J WS3M33R0J WS3A15R0J WS7M47R0J WS2M20R0J

WS8M47R0J WS3A68R0J WS7A33R0J WS5M47R0J WS8M1001J WS7A22R0J WS1A22R0J WS2A33R0J

WS5A1001J WS3M1001J WS2A20R0J WS5A33R0J WS2M68R0J WS1A15R0J WS2A1500J WS2M15R0J

WS7A20R0J WS7M68R0J WS3A22R0J WS8M68R0J WS1M47R0J WS5A3301J WS2A68R0J WS7A3301J

WS1A1001J WS8M15R0J WS7M33R0J WS3M1500J WS3M20R0J WS2M22R0J WS1A33R0J WS1A1500J

WS7A47R0J WS7M1500J WS5A68R0J WS8M33R0J WS5A15R0J WS3M68R0J WS2A22R0J WS7M3301J

WS3A1001J WS5M20R0J WS3A3301J WS2M47R0J WS7A1001J