PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PRODUCT: BBRF550S
DOCUMENT: SCD 25840
PCN: D06997
REV LETTER: C
REV DATE: JULY 19, 2007
PAGE NO.: 1 OF 1
Overcurrent Protection Device
Raychem Circuit Protection Products
Specification Status:
Released
Electrical Rating
Voltage: 99V
AC
MAX
Current: 20A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
20 AWG Tin Plated Copper
Marking:
TABLE I. DIMENSIONS:
A
B
MIN
MAX
MIN
MAX
--
10.9
--
14.4
--
(0.43)
--
(0.57)
*Rounded off approximation
C
MIN
4.3
(0.17)
MAX
5.8
(0.23)
MIN
2.4
(0.09)
D
MAX
--
--
MIN
--
--
E
MAX
3.6
(0.14)
mm:
in*:
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT RATINGS
TIME TO
TRIP
RESISTANCE
NOMINAL
ONE-HOUR
TRIPPED
POST-TRIP
POWER
RESISTANCE
STANDARD DISSIPATION
TRIP
OHMS
WATTS AT
AT 20°C
20°C
MAX
1.95
1.5
AMPS
AMPS
AMPS
AMPS
SECONDS AT
20°C
AT 0°C
AT 20°C
AT 60°C
20°C, 1.6A
HOLD HOLD TRIP HOLD TRIP HOLD TRIP
MAX
0.55 0.65 1.3 0.55 1.1 0.35 0.79
60
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
OHMS
AT 20°C
MIN
MAX
0.8
1.30
UL, CSA
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
Materials Information
ROHS Compliant
ELV Compliant
Pb-Free
© 2005, 2007 Tyco Electronics Corporation. All rights reserved.