General Note

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

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

A subsidiary of

TT electronics plc

• 4222 South Staples Street • Corpus Christi Texas 78411 USA

Wire and Film Technologies Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

Metal Glaze™ thick

film element fired

at 1000°C to solid

ceramic substrate

High

temperature

dielectric

coating

Solder over nickel

barrier

Precision Power Chip

PPC Series

Electrical Data

Size

Code

Industry

Footprint

IRC

Type

Power

Rating at

70°C (W)

Working

Voltage

Resistance

Range

(ohms)

Tolerance

(±%)

Qty /

Reel (7")

Qty /

Reel (13")

B

1206

PPC1/8

1/8 W

200

100 - 10K

0.1% (B)

0.25% (C)

0.5% (D)

2500

10000

D

2010

PPC1/2

1/2 W

300

100 - 10K

1500

5000

F

2512

PPC1

1 W

350

100 - 10K

N/A

5000

H

3610

PPC2

2W 1.33W

500

100 - 10K

N/A

1500

Environmental Data

Characteristics

Maximum Change

Test Method

Temperature Coefficient

As specified

MIL-R-55342E Par 4.7.9 (-55°C + 125°C)

Thermal Shock

±0.5% + 0.01 ohm

MIL-R-55342E Par 4.7.3 (-65°C + 150°C, 5 cycles)

Low Temperature Operation

±0.25% + 0.01 ohm

MIL-R-55342E Par 4.7.4 (-65°C @ working voltage)

Short Time Overload

±0.5% + 0.01 ohm

MIL-R-55342E Par 4.7.5 2.5 x

for 5 seconds

High Temperature Exposure

±0.5% + 0.01 ohm

MIL-R-55342E Par 4.7.6 (+150°C for 100 hours)

Resistance to Bonding

±0.25% + 0.01 ohm

MIL-R-55342E Par 4.7.7 (Reflow soldered to board at 260°C

for 10 seconds)

Exposure

95% minimum coverage

MIL-STD-202, Method 208 (245°C for 5 seconds)

Solderability

±0.5% + 0.01 ohm

MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours)

Moisture Resistance

±0.5% + 0.01 ohm

MIL-R-55342E Par 4.7.10 (2000 hours at 70°C intermittent)

Life Test

±1% + 0.01 ohm

1200 gram push from underside of mounted chip for 60

seconds

Terminal Adhesion Strength

±1% + 0.01 ohm

no mechanical damage

Chip mounted in center of 90mm long board, deflected 1mm

so as to exert pull on chip contacts for 5 seconds

√

PPC Series Issue November 2008 Sheet 1 of 3