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TOKEN

PR Anti-Corrosive Chip Resistor

Anti-Corrosive

Precision

Chip Resistors

(PR) Anti-Corrosive Series of Moisture-Proof

Chip Resistors for High Humidity Precision Applications

Preview

Token Electronics has introduced a new line of anti-corrosive precision chip resistors that eliminates moisture

concerns associated with typical Nickel Chromium precision resistors. The PR Series is an ideal low-cost

alternative for expensive and hard-to-find tantalum nitride chip resistors.

A proprietary passivation layer is introduced between the nichrome resistive element with a superior alumina

substrate and the epoxy overcoat to ensure stable performance and long life in the harshest and wettest

environments.

In MIL-STD-202F method moisture testing, the PR Series

demonstrated excellent stability over time and no significant

shift in resistance after the 1000 hour life test. Applications require

operation in humid or high moisture environments or have

experienced corrosion problems with standard Nichrome thin film

resistors. For those applications, long term extended humidity testing

is essential before a part can be considered for usage on a design.

Designated the PR Series, it is available in industry standard 0402, 0603, 0805, 1206, 2010, to 2512 sizes and

has a resistance range from 10 Ω to 1M Ω, with tolerances tight to ± 0.10% and TCRs as low as 25ppm/°C. The

PR Series has an operating temperature range of -55°C to +155°C. The PR chip also offers outstanding electrical

stability and environmental stability performance that would be expected from a precision resistor.

The standard packaging is tape and reel in 4Kpc, 5Kpc, and 10Kpc quantities depending on part size. Most

sizes and resistance values are also offered in stock, making them an outstanding choice to support quick turn

shortages. Pricing varies with size, tolerance, and TCR and ranges in reel quantities.

The chip PR series is lead-free and RoHS compliant. Detailed specifications, both mechanical and electrical,

please contact our sales representative for more information.

Features

- Tight Tolerance down to ± 0.1%

- Wide R-Value Range 10 Ω ~ 1Meg Ω

- Extremely Low TCR down to ±25 PPM/°C

- Special Passivated NiCr Film for Anti-Acid and Anti-Damp

- Long Term Life Stability with Advance Thin Film

Technology

- Demonstrated the Anti-CorrosionClaims

Characterized by Ta

2

N

Version 2010

http://www.token.com.tw/

Applications

- Telecommunication Device

- Automotive,Medical Equipment

- Outdoor Electronic Applications

- High-end Multimedia Electronics

- Automatic Equipment Controller Devices

- High-end Computer, Industrial Equipment

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01 of 05

TOKEN

PR Anti-Corrosive Chip Resistor

(PR) Surface Mount Series Dimensions (Unit: mm)

Marking

Protective Layer

W

L

Sn Plating

Ni Plating

Thick Film Ni/Cr Conductor

Alumina Substrate

Overcoat

Resistive Element

D1

T

D2

Codes

PR02 (0402)

PR03 (0603)

PR05 (0805)

PR06 (1206)

PR10 (2010)

PR12 (2512)

L

1.00±0.05

1.55±0.10

2.00±0.15

3.05±0.15

4.90±0.15

6.30±0.15

W

0.50±0.05

0.80±0.10

1.25±0.15

1.55±0.15

2.40±0.15

3.10±0.15

T

0.30±0.05

0.45±0.10

0.55±0.10

D1

0.20±0.10

0.30±0.20

0.42±0.20

0.60±0.30

D2

0.20±0.10

0.30±0.20

0.40±0.25

0.35±0.25

0.50±0.25

Standard Electrical Specifications

Type

PR02

(0402)

PR03

(0603)

PR05

(0805)

PR06

(1206)

PR10

(2010)

PR12

(2512)

Power

Ratingat

70°C

1/16W

Operating

Temp.

Range

-55 ~

+155°C

-55 ~

+155°C

-55 ~

+155°C

-55 ~

+155°C

-55 ~

+155°C

-55 ~

+155°C

Max

Operating

Voltage

25V

Max

Overloading

Voltage

50V

Resistance

Tolerance

±0.10%

±0.25%

±0.50%

±0.10%

±0.25%

±0.50%

±0.10%

±0.25%

±0.50%

±0.10%

±0.25%

±0.50%

±0.10%

±0.25%

±0.50%

±0.10%

±0.25%

±0.50%

Resistance

Range

25Ω~25KΩ

TCR

±25PPM / °C

±50PPM / °C

±25PPM / °C

±50PPM / °C

±25PPM / °C

±50PPM / °C

±25PPM / °C

±50PPM / °C

±25PPM / °C

±50PPM / °C

±25PPM / °C

±50PPM / °C

1/16W

50V

100V

25Ω~332KΩ

1/10W

100V

200V

10Ω~800KΩ

1/8W

150V

300V

10Ω~1MΩ

1/4W

150V

300V

10Ω~1MΩ

1/2W

150V

300V

10Ω~1MΩ

02 of 05

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Version 2010

TOKEN

Recommend Land Pattern (Unit: mm)

PR Anti-Corrosive Chip Resistor

C

B

Codes

PR12 (2512)

PR10 (2010)

PR06 (1206)

PR05 (0805)

PR03 (0603)

PR02 (0402)

A

4.90

3.60

2.00

1.00

0.80

0.50

A

B

1.60

1.40

1.15

1.00

0.50

C

3.10±0.2

2.50±0.2

1.70±0.2

1.35±0.2

0.90±0.2

0.60±0.2

Surface Mount Chip (PR) Packaging Quantity & Reel Specifications (Unit: mm)

W

ΦC

ΦA

ΦB

T

Codes

PR02 (0402)

PR03 (0603)

PR05 (0805)

PR06 (1206)

PR10 (2010)

PR12 (2512)

ΦA

178.0±1.0

ΦB

60.0±1.0

ΦC

13.5±0.7

W

9.5±1.0

13.5±1.0

T

11.5±1.0

15.5±1.0

Paper Tape

(PCS)

10,000

5,000

-

Emboss

Plastic Tape

(PCS)

-

4,000

Version 2010

http://www.token.com.tw/

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03 of 05

TOKEN

Paper Tape Specifications (Unit: mm)

Bottom Tape

Top Tape

PR Anti-Corrosive Chip Resistor

Φ D0

E

B

F

W

T

Paper Tape

Codes

PR02

PR03

PR05

PR06

A

0.70±0.05

1.10±0.05

1.60±0.05

2.00±0.05

B

1.16±0.05

1.90±0.05

2.37±0.05

3.55±0.05

Resistor

W

E

1.75±0.05

A

F

3.5±0.05

P1

P0

P2

P0

P1

direction of unreeling

P2

2.00±0.05

ΦD0

1.55±0.05

T

0.40±0.03

0.60±0.03

0.75±0.05

8.00±0.10

4.00±0.10

2.00±0.05

4.00±0.10

Emboss Plastic Tape Specifications (Unit: mm)

Top Tape

Φ D0

E

B

F

W

Resistor

Emboss Tape

Codes

PWR10

PWR12

A±0.10

2.85

3.40

B±0.10

5.45

6.65

t

A

P1

P2

P0

Φ D1=1.5min

direction of unreeling

W±0.10 E±0.10 F±0.05 P0±0.05 P1±0.10 P2±0.05 ΦD0+0.10 T±0.20

12.0

1.75

5.5

4.00

2.00

1.50

1.00

12.0

1.75

5.5

4.00

2.00

1.50

1.00

Power Derating Curve

100

Power Ration (%)

80

60

40

30

20

0

20

40

60 70 80 100

120 140

160 180

Ambient Temperature (°C)

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Version 2010

TOKEN

Packaging

Test Item

Short Time Overload

Thermal Shock

Load Life

Humidity

(Steady State)

Resistance to

Dry Heat

Resistance to

Soldering Heat

Solderability

PR Anti-Corrosive Chip Resistor

Specification

Size 0603/0805/1206/2010/2512

≤ ±0.02%

≤ ±0.05%

Test Method

RCWV*2.5 or Max Overloading Voltage,

2 seconds

MIL-STD-202F Method 107G

-55°C~125°C, 100 cycles

MIL-STD-202F Method 108A RCWV,

70°C, 1.5 hours ON, 0.5 hours OFF,

total 1000~1048 hours

MIL-STD-202F Method 103B 40°C,

90~95%RH, RCWV 1.5 hours ON, 0.5

hours OFF, total 1000~1048 hours

JIS-C-5202-7.2

1000 hours @ +155°C without load

MIL-STD-202F Method 210E

260±5°C, 10±1seconds

MIL-STD-202F Method 208H

245°C±5°C, 3±0.5(sec)

Size 0402

≤ ±0.1%

≤ ±0.25%

≤ ±0.05%

≤ ±0.02%

95%min coverage

≤ ±0.5%

≤ ±0.1%

Note: Storage Temperature: 25±3°C; Humidity: <80%RH

How to Order

PR



02



D



TR



C3



1002







Part Number



Dimensions(L×W) (mm)

Code

02

03

05

06

10

12

Code

B

C

D

Dimensions(L×W)

1.00×0.50mm

1.60×0.80mm

2.00×1.25mm

3.00×1.50mm

4.90×2.40mm

6.30×3.10mm

Resistance Tolerance

±0.10%

±0.25%

±0.50%

Package

Taping Reel

Bulk

EIA

0402

0603

0805

1206

2010

2512



TCR (ppm/°C)

Code

C3

C2

Marking

±25ppm/°C

±50ppm/°C

Resistance

100Ω

2200Ω

10000Ω

49900Ω

100000Ω

Marking

Standard Marking for E96/E24

No Marking



Resistance (Ω)

Code

1000

2201

1002

4992

1003



Resistance Tolerance (%)



Marking

Code

N



Package

Code

TR

P

Back to 1st Page - Anti-Corrosive Precision(PR)

Version 2010

http://www.token.com.tw/

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PR02BTRC22201

PR02BTRC22201概述

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