Precision Chip Array

PCA Series

PerformanceData

Tolerance&TCRAvailability

EquivalentCircuitDiagram

RecommendedLandPattern

04.16

General Note

TT Electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.

© TT Electronics plc

www.ttelectronicsresistors.com

BI Technologies IRC Welwyn

Test

Method

±ΔR%

Typical

Maximum

Load life

1000 hours rated power @ 70°C

0.05

0.15

Humidity

1000 hours @40°C, 90-95% RH

0.05

0.25

Short term overload

Lesser of 6.25 x rated power & max. overload voltage for 5 secs

0.01

0.1

Temperature cycle

100 cycles-55°C to +150°C

0.05

0.25

Dry heat

1000 hours @ 125°C

0.10

0.25

Resistance to solder heat

260 ±5°C for 10secs

0.02

0.2

Solderability

245 ±5°C for 3secs

95% min. coverage

Tolerance Availability

TCR Availability

Absolute Tol.

Matching Tol.

Resistance Range

Absolute TCR

Tracking TCR

Resistance Range

±0.1%

Unspecified

24R9- 100K

±10ppm/°C

Unspecified

24R9- 2K0

±0.1%

±15ppm/°C

±0.25%

Unspecified

±15ppm/°C

Unspecified

±0.25%

±15ppm/°C

±0.1%

±25ppm/°C

Unspecified

24R9- 100K

±0.5%

Unspecified

±25ppm/°C

±0.5%

±15ppm/°C

±0.25%

±50ppm/°C

Unspecified

±1%

Unspecified

±50ppm/°C

±0.5%

±25ppm/°C

Dimensions mm

A

B

C

I

P

PCA164

3.10 2.85 0.45 0.80 0.80

Precision Chip Array

Power Resistors

PCA Series

www.ttelectronicsresistors.com

Performance Data

Test

Method

±ΔR%

Typical Maximum

Load life

1000 hours rated power @ 70°C

0.05

0.15

Humidity

1000 hours @40°C, 90-95% RH

0.05

0.25

Short term overload

Lesser of 6.25 x rated power & max. overload voltage for 5 secs

0.01

0.1

Temperature cycle

100 cycles -55°C to +150°C

0.05

0.25

Dry heat

1000 hours @ 125°C

0.10

0.25

Resistance to solder heat 260 ±5°C for 10secs

0.02

0.2

Solderability

245 ±5°C for 3secs

95% min. coverage

Tolerance & TCR Availability

Equivalent Circuit Diagram

Tolerance Availability

TCR Availability

Absolute Tol.

Matching Tol.

Resistance Range

Absolute TCR

Tracking TCR

Resistance Range

±0.1%

Unspecified

24R9 - 100K

±10ppm/°C

Unspecified

24R9 - 2K0

±0.1%

±15ppm/°C

±0.25%

Unspecified

±15ppm/°C

Unspecified

±0.25%

±15ppm/°C

±0.1%

±25ppm/°C

Unspecified

24R9 - 100K

±0.5%

Unspecified

±25ppm/°C

±0.5%

±15ppm/°C

±0.25%

±50ppm/°C

Unspecified

±1%

Unspecified

±50ppm/°C

±0.5%

±25ppm/°C

Recommended Land Pattern

Dimensions mm

A

B

C

I

P

PCA164

3.10

2.85

0.45

0.80

0.80

Precision Chip Array

Power Resistors

PCA Series

www.ttelectronicsresistors.com

Performance Data

Test

Method

±ΔR%

Typical Maximum

Load life

1000 hours rated power @ 70°C

0.05

0.15

Humidity

1000 hours @40°C, 90-95% RH

0.05

0.25

Short term overload

Lesser of 6.25 x rated power & max. overload voltage for 5 secs

0.01

0.1

Temperature cycle

100 cycles -55°C to +150°C

0.05

0.25

Dry heat

1000 hours @ 125°C

0.10

0.25

Resistance to solder heat 260 ±5°C for 10secs

0.02

0.2

Solderability

245 ±5°C for 3secs

95% min. coverage

Tolerance & TCR Availability

Equivalent Circuit Diagram

Tolerance Availability

TCR Availability

Absolute Tol.

Matching Tol.

Resistance Range

Absolute TCR

Tracking TCR

Resistance Range

±0.1%

Unspecified

24R9 - 100K

±10ppm/°C

Unspecified

24R9 - 2K0

±0.1%

±15ppm/°C

±0.25%

Unspecified

±15ppm/°C

Unspecified

±0.25%

±15ppm/°C

±0.1%

±25ppm/°C

Unspecified

24R9 - 100K

±0.5%

Unspecified

±25ppm/°C

±0.5%

±15ppm/°C

±0.25%

±50ppm/°C

Unspecified

±1%

Unspecified

±50ppm/°C

±0.5%

±25ppm/°C

Recommended Land Pattern

Dimensions mm

A

B

C

I

P

PCA164

3.10

2.85

0.45

0.80

0.80