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©2006 Littelfuse

600R Series

Specifications are subject to change without notice.



Electronics Designers Guide

Radial Leaded

• The 600R series is designed to protect against power

fault events typically found in telecom applications.

This series is designed to be used in applications that

need to meet the requirements of GR-1089-CORE and

UL60950/EN60950/IEC60950. These resettable devices

also help to meet the requirements of ITU K.20, K.21 and

K.44.

Electrical Characteristics

Part Number

I

hold

(A)

I

trip

(A)

V

max

(Vdc)

I

max

(A)

P

d

max.

(W)

Maximum Time

To Trip

Resistance

Agency

Approvals

Current

(A)

Time

(Sec.)

R

min

(

Ω)

R

typ

(

Ω)

R

1max

(

Ω)

600R150

0.15

0.30

600

3

1.00

5.0

8.0

6

12

22

X

X

600R150-RA

0.15

0.30

600

3

1.00

5.0

7.5

7

10

20

X

X

600R150-RB

0.15

0.30

600

3

1.00

4.5

-

9

12

22

X

X

600R160

0.16

0.32

600

3

1.00

7.5

18

4

10

18

X

X

600R160-RA

0.16

0.32

600

3

1.00

9.5

-

4

7

16

X

X

600R160-R1

0.16

0.32

600

3

1.00

9.0

-

4

8

17

X

X

Description

Features

Applications

• RoHS compliant and

lead-free

• Fast time-to-trip

• Binned and sorted narrow

resistance ranges available

• 0.15 – 0.16A Hold current

range, 60VDC operating

voltage

• 600VAC interrupt rating

Secondary overcurrent

protection for:

• Central Office

Equipment (CO)

• Customer Premises

Equipment (CE)

• Alarm Systems

• Set Top Boxes (STB)

• Voice over IP (VOIP)

• Subscriber Line Interface

Circuit (SLIC)

Ambient Operation Temperature

-40°C

-20°C

0°C

23°C

40°C

60°C

85°C

Part Number

Hold Current (A)

600R150

0.26

0.23

0.19

0.15

0.124

0.062

0.03

600R160

0.27

0.24

0.20

0.16

0.13

0.07

0.05

Temperature Rerating

600R Series

Agency Approvals

AGENCY

AGENCY FILE NUMBER

E183209

R50082521