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Bourns

C850 Datasheet Preview

C850 Datasheet

high-speed bidirectional protection components

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Features
Formerly
brand
Extremely high speed performance
Blocks high voltages and currents
Very high bandwidth; GHz compatible
Small package, minimal PCB area
Simple, superior circuit protection
RoHS compliant*, UL Recognized
The C650 & C850 Series are currently
available, but not recommended for
new designs. Bourns® TBU-CA
Series is preferred.
C650 and C850 Series TBU® High-Speed Protectors
Transient Blocking Units - TBU® Devices
Bourns® C650 and C850 series products are high-speed
bidirectional protection components, constructed using
MOSFET semiconductor technology, designed to protect
against faults caused by short circuits, AC power cross,
induction and lightning surges.
The TBU® high-speed protector, triggering as a function of
the MOSFET, blocks surges and provides an effective barrier
behind which sensitive electronics are not exposed to large
voltages or currents during surge events. The TBU® device is
provided in a surface mount DFN package and meets industry
standard requirements such as RoHS and Pb Free solder
reflow profiles.
Agency Approval
UL recognized component File # E315805.
Industry Standards
Telcordia
ITU-T
Description
GR-1089 Port Type 1, 3, 5
GR-974
K.20, K.20E, K.21, K.21E, K.45
Model
C650
C850
C650
C850
C850
Absolute Maximum Ratings (Tamb = 25 °C)
Symbol Parameter
Vimp
Maximum protection voltage for impulse faults with rise time 1 µsec
Vrms
Top
Tstg
Maximum protection voltage for continuous Vrms faults
Operating temperature range
Storage temperature range
C650-xxx-WH
C850-xxx-WH
C650-xxx-WH
C850-xxx-WH
Electrical Characteristics (Tamb = 25 °C)
Symbol
Iop
Itrigger
Iout
Rdevice
tblock
Iquiescent
Vreset
Parameter
Maximum current through the device that will not cause
current blocking
Cx50-100-WH
Cx50-180-WH
Cx50-260-WH
Typical current for the device to go from normal operating
state to protected state
Cx50-100-WH
Cx50-180-WH
Cx50-260-WH
Maximum current through the device
Cx50-100-WH
Cx50-180-WH
Cx50-260-WH
Series resistance of the TBU® device
C650-100-WH
C650-180-WH
C650-260-WH
C850-100-WH
C850-180-WH
C850-260-WH
Maximum time for the device to go from normal operating
state to protected state
Current through the triggered TBU® device with 50 Vdc circuit
voltage
Voltage below which the triggered TBU® device will transition to
normal operating state
Min.
C650 and C850 TBU® High-Speed Protectors are bidirectional; specifications are valid in both directions.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Value
650
850
300
425
-40 to +85
-65 to +150
Unit
V
V
°C
°C
Typ.
150
220
330
12
8
8
17
11
11
1
14
Max.
100
180
260
200
360
520
14.5
10
10
19
14
14
1
Unit
mA
mA
mA
Ω
µs
mA
V




Bourns

C850 Datasheet Preview

C850 Datasheet

high-speed bidirectional protection components

No Preview Available !

Applications
Combo voice / xDSL linecards
Voice linecards
MDF, primary protection modules
Process control equipment
Test and measurement equipment
General electronics
C650 and C850 Series TBU® High-Speed Protectors
Typical Performance Characteristics
V-I Characteristics
+I
Itrigger
-Vreset
Vreset
-Itrigger
Time to Block vs. Fault Current
1
0.1
0.01
0.001
0.0001
+V 0.00001
0.000001
0.0000001
0.1
1 10 100
Fault Current (A )
1000
Current vs. Temperature
140
120
100
80
60
40
20
-40 -20
0
20 40
60 80
Temperature (°C)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.


Part Number C850
Description high-speed bidirectional protection components
Maker Bourns
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C850 Datasheet PDF






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