Specifications are subject to change without notice.

4B08B-503-RC - Surge Line Protection Module

Electrical Characteristics

Resistance Values (R1 = R2) .......................................50 & 100

Ω

Resistance Tolerance ...........................................................±2 %

TCR............................................................................100 ppm/°C

Ratio Tolerance.....................................................................±1 %

Power Dissipation (per resistor) @ 25 °C ................................2 W

Temperature Range ..........................................-55 ºC to +125 ºC

Environmental Characteristics

Tests per MIL-STD-202 ..................................................

∆ R max.

Resistance to Solvents .........................No marking deterioration

Resistance to Solder Heat ................................................± 0.5

Ω

Solderability .......................................................>95 % Coverage

Insulation Resistance .........................10 M

Ω min. (isolated pins)

Bias Humidity Test...................................50 V / 85 % RH / 85 °C

Physical Characteristics

Body Style ..........................................................Open Frame SIP

Substrate Material ..................................................96 % Alumina

Lead Frame Material .................................Copper, solder coated

Flammability...............................................Conforms to UL94V-0

Functional Characteristics

Lightning Surge Test ....................................10 x 700 µSec, 1 KV

Power Induction.............................................................300 Vrms

Power Contact...............................................................220 Vrms

Features

0.62

(.025)

MAX.

MAX.

0.36

(.014)

38.10

(1.500)

MAX.

1 2

5 6

10 11

14 15

7.62

(.300)

7.62

(.300)

10.16

(.400)

.51

(.020)

MAX.

1.27

(.050)

3.43

± .38

(.135

± .015)

11.05

(.435)

2.54

(.100)

1

F1

R1

R2

F2

25

6

10

11

14

15

How To Order

4B 08 B - 503 - XXX

Model

(4B = Open Frame)

Number of Pins

Physical Configuration

Electrical Configuration

503 = Matched pair of resistors plus thermal fuse

Resistance Code

• 500 = 50

Ω

• 101 = 100

Ω

Product Dimensions

Electrical Schematic

DIMENSIONS:

MILLIMETERS

(INCHES)

COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211

4B08B-503

-500

Reliable Electronic Solutions

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09/02