Low Value Metal Film Resistors

2500 Series

Low Value Metal Film Resistors

General Note

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

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

© Welwyn Components Limited · Bedlington, Northumberland NE22 7AA, UK

Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com

09.10

A subsidiary of

TT electronics plc

Welwyn Components

Performance

MAXIMUM (+0.001 )

Load at rated power (1000 hours @ 25°C)

R%

3

Load at rated power (1000 hours @ 70°C)

R%

2

Derating from rated power at 70°C

Linear to zero at 150°C

Short term overload (6.25 x Pr for 5s)

R%

0.5

Climatic

R%

2

Climatic category

55 / 150 / 56

Resistance to solder heat

R%

0.5

Vibration and bump

R%

0.5

Inductance (measured at 6mm from caps)

nH

≤20

Packaging

The standard packaging for 2504 is taped. The critical dimensions are shown in Figure 1. The

component wires will not protrude beyond the outside edge of the tapes. Taped product is then packed

into ammo boxes. Alternative packaging is available by request. Pre-formed resistors are available and

are supplied loose packed in plastic bags or boxes.

Dimensions (mm)

Type

b

C

2504

67

10

Ordering Procedure

Example: 2504 at 0.33 ohms and 5% tolerance in an ammo pack box of 1000 pieces -

2 5 0 4 – R 3 3 J I

Type

Value (use IEC62 code)

Tolerance (use IEC62 code)

F

1%

J

5%

G

2%

K

10%

Packing

I

Ammo

2504

1000/box

Standard

Make Possible

07.14

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

OBSOLETE