Features
■
■
■
■
■
■
■
Applications
Formerly
brand
Extremely high speed performance
Low impedance
Two TBU® protectors in one small package
Very high bandwidth, GHz compatible
Simple, superior circuit protection
RoHS compliant*, UL Recognized
■ xDSL (ADSL, VDSL, VDSL2)
■ High Data Rate Interface IC protection
(LVDS, HDMI, etc.)
■ Industrial sensors and controls
■ General electronics
P40-G Series TBU® High-Speed Protectors
Transient Blocking Units - TBU® Devices
Additional Information
®
Bourns Model P40-G 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.
Click these links for more information:
PRODUCT TECHNICAL INVENTORY SAMPLES
SELECTOR LIBRARY
Agency Approval
Industry Standards
Description
File Number: E315805
UL
Description
CONTACT
Model
Environmental Characteristics
Telcordia
GR-1089
ITU-T
K.20, K.20E, K.21, K.21E, K.45
P40-G
Moisture Sensitivity Level ..........................1
ESD Classification (HBM)....................... 1C
Absolute Maximum Ratings (Tamb = 25 °C)
Symbol
Parameter
Value
Unit
Vimp
Vrms
Maximum protection voltage for impulse faults with rise time ≥ 1 μsec
40
V
Maximum protection voltage for continuous Vrms faults
28
V
Top
Operating temperature range
-55 to +125
°C
Tstg
Storage temperature range
-65 to +150
°C
Tjmax
Maximum Junction Temperature
+125
°C
Electrical Characteristics (Tamb = 25 °C)
Symbol
Parameter
Iop
Maximum current through the device that will not cause current blocking
Min.
Itrigger
Typical current for the device to go from normal operating state to protected state
Iout
Maximum current through the device
®
Rdevice
Series resistance of the TBU device
Rbal
Line-to line series resistance difference between two TBU® devices
tblock
Maximum time for the device to go from normal operating state to protected state
Iquiescent
Typ.
Current through the triggered TBU device with 40 Vdc circuit voltage
®
Vreset
Voltage below which the triggered TBU device will transition to normal operating state
RθJA
Junction to air thermal resistance, FR4 PCB.
0.035 sq. in. of copper in addition to solder pads
Unit
240
mA
350
3.6
®
Max.
mA
480
mA
4.2
Ω
5
%
0.2
μs
0.7
mA
7
V
130
°C/W
The P40-G Series TBU® high-speed protector is bidirectional; specifications are valid in both directions.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Typical Performance Characteristics
V-I Characteristics
Time to Block vs. Fault Current
1
+I
Itrigger
-Vreset
+V
Vreset
Time to Block (sec)
0.1
0.01
0.001
0.0001
0.00001
0.000001
0.0000001
0.1
1
10
100
1000
Fault Current (A )
-Itrigger
Trigger Current vs. Temperature
140
% of Trigger Current
120
100
80
60
40
20
-40
-20
0
20
40
60
80
Temperature (°C)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Operational Characteristics
The graph below demonstrates the operational characteristics of the TBU® device. In the graph below the fault voltage, protected side voltage,
and current is presented.
TEST CONFIGURATION DIAGRAM
Load
V1
Line1
P40-G
Line2
P40-G Lightning Protection 40 V
3
10 V/div.
400 mA/div.
1
1 µs/div.
Ch1 V1
Ch3 Current
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Product Dimensions
SEATING
PLANE
B
A
J
J
D
E
E
M
A
F
4
5
6
A1
G
B
C
XXXXX
YWWLL
PIN 1
TOP VIEW
F
3
1
2
G
K
H
A1
SIDE VIEW
H
M
BOTTOM VIEW
0.90
(.035)
E
F
G
H
Pad Designation
0.30 +0.05/-0.00
(.012 +.002/-.000)
2.60
(.102)
C
D
Recommended Pad Layout
0.35
(.014)
Dim.
Pad #
Apply
1
In1
2
NC
3
Out1
4
Out2
5
NC
6
In2
1.45
(.057)
0.30
(.012)
NC = Solder to PCB; do not make electrical
connection, do not connect to ground.
TBU® devices have matte-tin termination finish. Suggested layout should use non-solder
mask define (NSMD). Recommended stencil thickness is 0.10-0.12 mm (.004-.005 in.) with
stencil opening size 0.025 mm (.0010 in.) less than the device pad size. As when heatsinking
any power device, it is recommended that, wherever possible, extra PCB copper area is
allowed. For minimum parasitic capacitance, do not allow any signal, ground or power
signals beneath any of the pads of the device.
J
K
M
Min.
Typ.
Max.
0.80
(.031)
0.00
(.000)
3.90
(.154)
3.90
(.154)
2.55
(.100)
0.20
(.008)
0.75
(.030)
1.40
(.055)
0.10
(.004)
0.25
(.010)
0.55
(.022)
0.20
(.008)
0.90
(.035)
0.025
(.001)
4.00
(.157)
4.00
(.157)
2.60
(.102)
0.25
(.010)
0.80
(.031)
1.45
(.057)
0.15
(.006)
0.30
(.012)
0.60
(.024)
0.25
(.010)
1.00
(.039)
0.05
(.002)
4.10
(.161)
4.10
(.161)
2.65
(.104)
0.30
(.012)
0.85
(.033)
1.50
(.059)
0.20
(.008)
0.35
(.014)
0.65
(.026)
0.30
(.012)
DIMENSIONS:
MM
(INCHES)
Block Diagram
6
4
1
3
TBU® Device
Thermal Resistances
Thermal resistance using minimal pad size, where the power is the total power dissipated in the package. Additional copper pad area to be
used for additional heatsinking is also recommended.
Symbol
Parameter
Value
Unit
Rth(j-a)
Junction to Package Pads (1 TBU of Pair)
250
°C/W
Rth(j-a)
Junction to Package Pads (2 TBUs of Equal Power)
180
°C/W
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Reflow Profile
Profile Feature
Average Ramp-Up Rate (Tsmax to Tp)
Preheat
- Temperature Min. (Tsmin)
- Temperature Max. (Tsmax)
- Time (tsmin to tsmax)
Time maintained above:
- Temperature (TL)
- Time (tL)
Peak/Classification Temperature (Tp)
Time within 5 °C of Actual Peak Temp. (tp)
Ramp-Down Rate
Time 25 °C to Peak Temperature
Pb-Free Assembly
3 °C/sec. max.
150 °C
200 °C
60-180 sec.
217 °C
60-150 sec.
260 °C
20-40 sec.
6 °C/sec. max.
8 min. max.
How to Order
Typical Part Marking
P 40 - G 240 - WH
MANUFACTURER’S
TRADEMARK
Form Factor
P = Two TBU® protectors in one device
Impulse Voltage Rating
40 = 40 V
Directional Indication
G = Bidirectional
XXXXX
YWWLL
Iop Indicator
240 = 240 mA
5 DIGIT PRODUCT CODE:
• 1ST DIGIT INDICATES PRODUCT FAMILY.
4 = P40-G SERIES
• 2ND & 3RD DIGITS INDICATE IMPULSE VOLTAGE.
04 = 40 V
• 4TH & 5TH DIGITS INDICATE TRIGGER CURRENT.
24 = 240 mA
PIN 1
MANUFACTURING
DATE CODE:
• 1ST DIGIT INDICATES THE YEAR.
• 2ND & 3RD DIGITS INDICATE THE WEEK NUMBER.
• 4TH & 5TH DIGITS INDICATE LOT CODE.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Packaging Specifications (per EIA468-B)
P0
D
t
B
E
P2
F
A
W
XXXXX
YWWLL
N
C
D
B0
R
K0
D1
A0
P
G (MEASURED AT HUB)
EMBOSSMENT
The type of corner on carrier will vary at different assembly sites.
USER DIRECTION OF FEED
QUANTITY: 3000 PIECES PER REEL
A
Device
Min.
B
Max.
326
330.25
(12.835) (13.002)
P40-G240
A0
B0
C
D
Min.
Max.
Min.
Max.
Min.
1.5
(.059)
2.5
(.098)
12.8
(.504)
13.5
(.531)
20.2
(.795)
D
D1
G
N
Max.
Ref.
Ref.
—
12.4
(.488)
102
(4.016)
E
F
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
4.2
(.165)
4.4
(.173)
4.2
(.165)
4.4
(.173)
1.5
(.059)
1.6
(.063)
1.5
(.059)
—
1.65
(.065)
1.85
(.073)
5.45
(.216)
5.55
(.219)
K0
P
P0
P2
R
t
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
1.05
(.041)
1.25
(.049)
7.9
(.311)
8.1
(.319)
3.9
(.159)
4.1
(.161)
1.9
(.075)
2.1
(.083)
0
(0)
0.5
(.020)
0.25
(.010)
0.35
(.014)
W
Min.
Max.
11.7
(.461)
12.3
(.484)
DIMENSIONS:
MM
(INCHES)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
P40-G Series TBU® High-Speed Protectors
Reference Application
A cost-effective protection solution combines the Bourns® TBU® protection device with a diode bridge on the driver side of the
transformer and GDTs on the line side. The GDT should have a minimum DCBD of 900 V and a maximum sparkover voltage of 1600 V.
The diagram below illustrates a common configuration of these components. The graph demonstrates the operational characteristics of
the circuit.
Ch1
Ch3
V CC
P40-G
P40
Common Configuration Diagram - xDSL Protection
200 mA/div.
400 V/div.
3
1
1 μs/div.
Ch1 V1
Ch3 Current
5000 V Lightning 2/10 μsec, 500 A
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 04/18
“TBU” is a registered trademark of Bourns, Inc. in the United States and other countries.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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