REV. A 06/05

Specifications are subject to change without notice.

Customers should verify device performance in their specific applications.

Product Characteristics

Resistor Tolerance

20 ohms to 100 ohms .....................................................±1 %

5.6 ohms .........................................................................±5 %

Ratio Tolerance

20 ohms to 100 ohms ..................................................±0.5 %

5.6 ohms ......................................................................±2.5 %

Operating Temperature.......................................-40 °C to +85 °C

Environmental Characteristics

TESTS PER MIL-STD-202

Humidity ..........................................................................103B

Solderability.....................................................................208D

Thermal Shock ................................................................107B

Resistance to Solvents ......................................................215

Resistance to Solder Heat ..............................................210D

Flammability ...................................................................UL 94V-0

IEC 695-2-2

Functional Characteristics

Bellcore GR-1089-CORE

ITU-T K.20

Lightning Surge ................................................................1 KV

Power Induction........................................................600 Vrms

Power Contact..........................................................230 Vrms

UL 497A

FCC Part 68.302 Rules (d) and (e)

Physical Characteristics

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

Body Material...........................................................96% Alumina

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

Standard Parts Available Off the Shelf

..................................................5.6, 10, 20, 30, 50, 100 ohms

How To Order

L11B 100AA

Model

(L11B = LFR w/Thermal Fuse and Overvoltage Protectors*)

Resistor Tolerance

• 5R6AA = 5.6 ohms

• 010AA = 10 ohms

• 020AA = 20 ohms

• 030AA = 30 ohms

• 050AA = 50 ohms

• 100AA = 100 ohms

Custom values available; contact factory.

*Specify Overvoltage Protection:

• Specify peak pulse current rating

• Specify minimum turn on voltage

• Provide schematic showing desired configuration

Features

■

Thick film technology

■

Bourns patented thermal fuse

■

Fail safe

■

Protection to BELLCORE GR-1089-CORE

Applications

■

Analog Line Cards

■

CPE (Customer Premises Equipment)

■

DDS (Digital Data Systems)

■

DLC (Digital Loop Carriers)

■

T1/T3 Transmission Lines

■

ISDN

R1A

OVERVOLTAGE

PROTECTOR

1

7

8

R1B

F1

5

R2A

9

15

R2B

F2

11

Circuit Schematic

53.59

(2.110)

MAX. SEATED

HEIGHT

MAX.

TYP.

2 PLCS.

12.19

(0.480)

8.89

(.350)

10.16

(.400)

TYP.

2 PLCS.

TYP.

2 PLCS.

5.08

(.200)

THICK

0.51 ±0.25

(.020 x .010)

DIA. HOLE

0.81

(.032)

MAX. THICKNESS

3.81

(.150)

2.54

(.100)

3.175 + 0.64/-0.13

(.125 + .025/-.005)

REF.

0.84

(.033)

Product Dimensions

Circuit Protection Division

Asia-Pacific:

Tel: +886-2 2562-4117

Fax: +886-2 2562-4116

Europe:

Tel: +41-41 768 5555

Fax: +41-41 768 5510

The Americas:

Tel: +1-951 781-5500

Fax: +1-951 781-5700

www.bourns.com

DIMENSIONS:

MM

(INCHES)