Items : %s%s
TRIACs Thyristors
Additional Feature
- CMOS COMPATIBLE
- EUROPEAN PART NUMBER
- HIGH RELIABILITY
- HIGH RELIABILITY, WITH BUILT IN CLAMPING STRUCTURE AND GATE LEVEL SHIFTER DRIVER
- KIT COMPOSED OF TRIAC AND CONTROLLER
- SENSITIVE GATE
- UL RECOGNIZED
- WITH BUILT IN CLAMPING STRUCTURE AND GATE LEVEL SHIFTER DRIVER
Body Material
- Plastic
Contact Plating
- Copper, Tin
- Gold
- Nickel
- Tin
ECCN Code
- EAR99
Factory Lead Time
- 10 Weeks
- 11 Weeks
- 12 Weeks
- 13 Weeks
- 14 Weeks
- 15 Weeks
- 16 Weeks
- 17 Weeks
- 18 Weeks
- 19 Weeks
- 20 Weeks
- 21 Weeks
- 24 Weeks
- 25 Weeks
- 27 Weeks
- 28 Weeks
- 3 Weeks
- 35 Weeks
- 36 Weeks
- 5 Weeks
- 51 Weeks
- 6 Weeks
- 7 Weeks
- 8 Weeks
- 9 Weeks
HTS Code
- 8541.30.00.80
JESD-609 Code
- e0
- e1
- e3
- e4
Lifecycle Status
- ACTIVE (Last Updated: 6 months ago)
- ACTIVE (Last Updated: 7 months ago)
- ACTIVE (Last Updated: 8 months ago)
- LAST SHIPMENTS (Last Updated: 1 day ago)
- LAST SHIPMENTS (Last Updated: 1 week ago)
- LAST SHIPMENTS (Last Updated: 10 hours ago)
- LAST SHIPMENTS (Last Updated: 11 hours ago)
- LAST SHIPMENTS (Last Updated: 12 hours ago)
- LAST SHIPMENTS (Last Updated: 13 hours ago)
- LAST SHIPMENTS (Last Updated: 18 hours ago)
- LAST SHIPMENTS (Last Updated: 2 days ago)
- LAST SHIPMENTS (Last Updated: 2 weeks ago)
- LAST SHIPMENTS (Last Updated: 21 hours ago)
- LAST SHIPMENTS (Last Updated: 3 days ago)
- LAST SHIPMENTS (Last Updated: 4 days ago)
- LAST SHIPMENTS (Last Updated: 4 hours ago)
- LAST SHIPMENTS (Last Updated: 7 hours ago)
- NRND (Last Updated: 7 months ago)
Manufacturer Package Identifier
- D2Pak
- TO-220AB Ins
Max Operating Temperature
- 110°C
- 125°C
- 150°C
Mfr
- IXYS
- Littelfuse Inc.
- NTE Electronics, Inc
- NXP USA Inc.
- onsemi
- Renesas
- Renesas Electronics America Inc
- STMicroelectronics
- Texas Instruments
- WeEn Semiconductors
Min Operating Temperature
- -30°C
- -40°C
Moisture Sensitivity Level (MSL)
- 1 (Unlimited)
- 1 (Unlimited)
- 2
- 3 (168 Hours)
- Not Applicable
- Vendor Undefined
Mount
- Chassis Mount
- Chassis Mount, Panel, Through Hole
- Chassis Mount, Screw
- Chassis Mount, Screw, Surface Mount, Through Hole
- Chassis Mount, Screw, Through Hole
- Chassis Mount, Through Hole
- Chassis, Stud
- Surface Mount
- Surface Mount, Through Hole
- Through Hole
Mounting Type
- Chassis Mount
- Chassis, Stud Mount
- Stud Mount
- Surface Mount
- Through Hole
Number of Pins
- 2
- 20
- 3
- 4
- 8
- 83
- 91
Number of Terminals
- 3
Number of Terminations
- 2
- 20
- 3
- 4
- 8
Operating Temperature
- -10°C~125°C TJ
- -25°C~125°C TJ
- -30°C~125°C TJ
- -30°C~150°C TJ
- -40°C ~ 100°C
- -40°C ~ 100°C (TJ)
- -40°C ~ 110°C
- -40°C ~ 110°C (TJ)
- -40°C ~ 125°C (TJ)
- -40°C ~ 150°C (TJ)
- -40°C ~ 90°C
- -40°C~105°C TJ
- -40°C~110°C TC
- -40°C~110°C TJ
- -40°C~125°C
- -40°C~125°C TJ
- -40°C~140°C TJ
- -40°C~150°C TJ
- -55°C~150°C TJ
- -65°C~110°C TJ
- -65°C~125°C TJ
- 0°C ~ 125°C (TJ)
- 0°C~125°C TJ
- 120°C (TJ)
- 125°C (TJ)
- 125°C TJ
- 150°C (TJ)
- 150°C TJ
Package / Case
- 20-DIP (0.300, 7.62mm)
- 20-SOIC (0.295, 7.50mm Width)
- 3-SMB, Flat Lead
- 8-DIP (0.300, 7.62mm)
- 8-SOIC (0.154, 3.90mm Width)
- DO-214AA, SMB (3 Leads), Compak
- Fastpak, TO-3 Base
- ISOWATT220AB-3
- Module
- Press Fit
- RD91-3 (Insulated)
- SC-83
- SOT-82
- TO-202 Long Tab
- TO-202 No Tab
- TO-202 Short Tab
- TO-205AA, TO-5-3 Metal Can
- TO-208AA, TO-48-3, Stud
- TO-208AB, TO-64-3, Stud
- TO-218-3
- TO-218-3 Isolated Tab, TO-218AC
- TO-218-3, TO-218AC
- TO-218X-3 Isolated Tab
- TO-220-3
- TO-220-3 Formed Leads
- TO-220-3 Full Pack
- TO-220-3 Full Pack, Isolated Tab
- TO-220-3 Isolated Tab
- TO-220-3 Isolated Tab, Formed Leads
- TO-220AB
- TO-225AA, TO-126-3
- TO-225AB, TO-127-3
- TO-226-3, TO-92-3 (TO-226AA)
- TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
- TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- TO-226-3, TO-92-3 Short Body
- TO-243AA
- TO-247-3
- TO-251-3 Long Leads, IPak, TO-251AB
- TO-251-3 Short Leads, IPak, TO-251AA
- TO-252-3, DPak (2 Leads + Tab), SC-63
- TO-261-4, TO-261AA
- TO-262-3 Long Leads, I2Pak, TO-262AA
- TO-262-3 Short Leads, I2Pak
- TO-263-3
- TO-263-3, D2Pak (2 Leads + Tab), TO-263AB
- TO-268-3
- TO-268-3, D3Pak (2 Leads + Tab), TO-268AA
- TO-3 Base
- TO-3P-3 Full Pack
- TO-3P-3, SC-65-3
- TO-3PFM, SC-93-3
- TOP-3
- TOP-3 Insulated
- Y1-2-CU
Packaging
- Bag
- Box
- Bulk
- Cut Tape (CT)
- Digi-Reel®
- Loose
- Rail
- Rail/Tube
- Sack
- Tape & Box (TB)
- Tape & Reel (TR)
- Tape and Reel
- Tube
Part Status
- Active
- Discontinued
- Last Time Buy
- Not For New Designs
- NRND
- Obsolete
- Unconfirmed
Pbfree Code
- no
- yes
Published
- 1993
- 1995
- 1997
- 1998
- 2000
- 2001
- 2002
- 2003
- 2004
- 2005
- 2006
- 2007
- 2008
- 2009
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
Series
- *
- -
- ACS™
- ACS™/A.S.D®
- ASD™
- B
- BT
- C
- C0
- CT
- DT-Triac™
- ECOPACK?2
- ECOPACK®2
- H
- H Series
- LJxx04xx
- LJxx06xx
- LJxx08xx
- LX8
- Lxx04xx
- Lxx06xx
- QJxx04xx
- QJxx06xHx
- QJxx06xx
- QJxx08xHx
- QJxx12xHx
- QJxx16xHx
- QJxx25xHx
- QVxx16xHx
- Qxx04xx
- Qxx06xHx
- Qxx06xx
- Qxx08xHx
- Qxx08xx
- Qxx10xHx
- Qxx10xx
- Qxx12xHx
- Qxx15xx
- Qxx16xHx
- Qxx25xHx
- Qxx25xx
- Qxx35xHx
- Qxx40xx
- QxxxxLTx
- Snubberless?
- Snubberless™
- SST06
- SST08
- SST12
- SST131
- SST138
- SST16
- SST20
- SST24
- SST26
- T1235H8F
- Teccor®
Supplier Device Package
- 8-SO
- D2PAK
- DO-214 3L
- I-PAK
- ITO-220AB
- Module
- Press Fit
- SC-73
- SOT-223
- SOT-82
- SOT-89
- SOT-93
- TO-126
- TO-127
- TO-202
- TO-218
- TO-218 Isolated
- TO-218 Isolated Tab
- TO-218X Isolated
- TO-220
- TO-220 Isolated Tab
- TO-220 Non-Isolated Tab
- TO-220-3
- TO-220AB
- TO-220AB Insulated
- TO-220F
- TO-220FL
- TO-220FN
- TO-225AA
- TO-251 (V-Pak/I-Pak)
- TO-263 (D2Pak)
- TO-263AB (D2PAK)
- TO-3 (Isolated Flange)
- TO-3 (Square Pack)
- TO-3P
- TO-3PF
- TO-48
- TO-48 Isolated Stud
- TO-5
- TO-64
- TO-92
- TO-92-3
- TOP-3I
- TOP3
Surface Mount
- NO
- YES
Terminal Finish
- MATTE TIN
- MATTE TIN (315)
- Matte Tin (Sn)
- Matte Tin (Sn) - annealed
- Matte Tin (Sn) - with Nickel (Ni) barrier
- Nickel/Palladium/Gold (Ni/Pd/Au)
- NOT SPECIFIED
- TIN
- Tin (Sn)
- TIN LEAD
- TIN SILVER COPPER
- Tin/Lead (Sn/Pb)
- Tin/Lead (Sn80Pb20)
- Tin/Silver/Copper (Sn/Ag/Cu)
Termination
- SMD/SMT
- Through Hole
Weight
- 1.799996g
- 1.995806g
- 188.014037mg
- 2.000002g
- 2.084002g
- 2.200008g
- 2.240009g
- 2.299997g
- 260.39037mg
- 3.949996g
- 4.535924g
- 45.359237g
- 453.59237mg
- 6.000006g
- 6.756003g
- 9.071847g
- 90.718474mg
| Compare | Image | Name | Manufacturer | Pricing(USD) | Quantity | Weight(Kg) | Size(LxWxH) | Datasheet | Factory Lead Time | Mount | Packaging | Published | Series | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | ECCN Code | Max Operating Temperature | Min Operating Temperature | RoHS Status | Lead Free | Contact Plating | Current Rating | Radiation Hardening | Number of Pins | Additional Feature | Package / Case | Reach Compliance Code | Mounting Type | Operating Temperature | Voltage - Rated DC | HTS Code | JESD-609 Code | Terminal Finish | Peak Reflow Temperature (Cel) | Time@Peak Reflow Temperature-Max (s) | Base Part Number | Pin Count | Surface Mount | JESD-30 Code | Subcategory | Qualification Status | Reference Standard | Number of Elements | Configuration | JEDEC-95 Code | Case Connection | Repetitive Peak Off-state Voltage | Leakage Current (Max) | Critical Rate of Rise of Off-State Voltage-Min | Holding Current-Max | Element Configuration | Supplier Device Package | Max Repetitive Reverse Voltage (Vrrm) | Hold Current | RMS Current (Irms) | Trigger Device Type | Voltage - Off State | Current - On State (It (RMS)) (Max) | Current - Hold (Ih) (Max) | Voltage - Gate Trigger (Vgt) (Max) | Current - Non Rep. Surge 50, 60Hz (Itsm) | Current - Gate Trigger (Igt) (Max) | Triac Type | Critical Rate of Rise of Commutation Voltage-Min |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
BT137-600G0TQ | NXP Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
BCR5FM-12RB#BH0 | Renesas Electronics America | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Active | 1 (Unlimited) | ROHS3 Compliant | TO-220-3 Full Pack | Through Hole | -40°C~150°C TJ | Single | 600V | 5A | 1.5V | 50A @ 60Hz | 15mA | Standard | |||||||||||||||||||||||||||||||||||||||||||||||
|
SKKT27/16E | Semikron | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BCR10PM-12LD#B00 | Renesas | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BCR5PM-14LD#B00 | Renesas | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BTA25-600CW3G | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
BTA410Y-800CT,127 | WeEn Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | Active | 1 (Unlimited) | EAR99 | RoHS Compliant | TO-220-3 Isolated Tab | not_compliant | Through Hole | 150°C TJ | e3 | Tin (Sn) | BTA410-800 | Single | 4 QUADRANT LOGIC LEVEL TRIAC | 800V | 10A | 1.5V | 100A 110A | 35mA | Standard | |||||||||||||||||||||||||||||||||||||||||
 |
Q4006LTTP | Littelfuse | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 16 Weeks | 2008 | QxxxxLTx | no | Active | 1 (Unlimited) | 3 | ROHS3 Compliant | HIGH RELIABILITY | TO-220-3 Isolated Tab | not_compliant | Through Hole | -40°C~125°C TJ | 8541.30.00.80 | e3 | Matte Tin (Sn) | 260 | 10 | 3 | NO | R-PSFM-T3 | TRIACs | Not Qualified | 1 | Single | TO-220AB | 400V | 2mA | 100V/us | 50mA | TRIAC WITH INT TRIGGER | 400V | 6A | 50mA | 65A 80A | Internally Triggered, Standard | 4V/us | |||||||||||||||||||||||
 |
BCR12PM-12LA#B00 | Renesas Electronics America | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 16 Weeks | Through Hole | Tube | 2010 | Active | 1 (Unlimited) | 3 | ROHS3 Compliant | Lead Free | Copper, Tin | No | 3 | UL RECOGNIZED | TO-220-3 Full Pack | Through Hole | -40°C~125°C TJ | BCR12-12 | 3 | TRIACs | 1 | Single | TO-220AB | ISOLATED | 2mA | 600V | 12A | TRIAC | 12A | 1.5V | 120A @ 60Hz | 30mA | Standard | 10V/us | |||||||||||||||||||||||||||
|
SM2GZ47A(Q) | Torex Semiconductor Ltd | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
TIC225S-S | Bourns Inc. | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Through Hole | Tube | 1993 | Obsolete | 1 (Unlimited) | 110°C | -40°C | ROHS3 Compliant | No | TO-220-3 | Through Hole | -40°C~110°C TC | TIC225 | Single | Single | TO-220 | 700V | 20mA | 8A | 700V | 8A | 20mA | 2V | 70A @ 50Hz | 5mA | Logic - Sensitive Gate | ||||||||||||||||||||||||||||||||||
 |
CQ202-4BS-LF02 | Central Semiconductor Corp | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Bulk | 2016 | Obsolete | 1 (Unlimited) | RoHS Compliant | TO-202 Long Tab | Through Hole | -40°C~125°C | Single | TO-202 | 200V | 4A | 5mA | 1.75V | 40A 35A | 9mA | Internally Triggered | ||||||||||||||||||||||||||||||||||||||||||||
 |
BTA316-600ET,127 | WeEn Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | Active | 1 (Unlimited) | EAR99 | RoHS Compliant | TO-220-3 | not_compliant | Through Hole | 150°C TJ | e3 | Tin (Sn) | BTA316 | Single | 4 QUADRANT LOGIC LEVEL TRIAC | 600V | 16A | 15mA | 1.5V | 140A 150A | 10mA | Logic - Sensitive Gate | ||||||||||||||||||||||||||||||||||||||||
|
ACTT12-800CTNQ | WeEn Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | Active | 1 (Unlimited) | RoHS Compliant | TO-220-3 | Through Hole | 150°C TJ | Single | 800V | 12A | 30mA | 1V | 120A 132A | 35mA | Standard | ||||||||||||||||||||||||||||||||||||||||||||||
|
BTA24-800CW | WEIDA | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BTA04-800CW | WEIDA | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
RS0206T-V | Shenzhen Haoruijia Elec. | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
SKKD100/16 | Semikron | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
2N6071ATG | Littelfuse | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | 12 Weeks | Tube | 2008 | Active | 1 (Unlimited) | 3 | EAR99 | ROHS3 Compliant | CMOS COMPATIBLE | TO-225AA, TO-126-3 | Through Hole | -40°C~110°C TJ | 8541.30.00.80 | NOT SPECIFIED | NOT SPECIFIED | 2N6071A | NO | R-PSFM-T3 | Not Qualified | 1 | Single | 200V | 4 QUADRANT LOGIC LEVEL TRIAC | 200V | 4A | 15mA | 2.5V | 30A @ 60Hz | 5mA | Logic - Sensitive Gate | ||||||||||||||||||||||||||||||
 |
AC16FGM(AZ) | Renesas Electronics | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Obsolete | Yes with exemptions | 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BT152-800R | NXP Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
CTA12-1200TW | Crydom Inc | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | RoHS Compliant | unknown | 8541.30.00.80 | 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
BCR08AS-12A(T13#X9) | Renesas Electronics | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | download | Active | RoHS non-compliant | 4 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
MAC212A10G | ON Semiconductor | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BT138Y-600E,127 | WeEn Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | Active | 1 (Unlimited) | 3 | RoHS Compliant | TO-220-3 Isolated Tab | not_compliant | Through Hole | 125°C TJ | 8541.30.00.80 | e3 | Tin (Sn) | BT138 | NO | R-PSFM-T3 | IEC-60134 | 1 | Single | TO-220AB | 600V | 4 QUADRANT LOGIC LEVEL TRIAC | 600V | 12A | 30mA | 1.5V | 95A 105A | 10mA | Logic - Sensitive Gate | |||||||||||||||||||||||||||||||||
|
RK1608B-TW | Shenzhen Haoruijia Elec. | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BT134W-600D,115 | NXP Semiconductors | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 |
T1620-700W | STMicroelectronics | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Through Hole | Tube | Snubberless™ | Obsolete | Not Applicable | 3 | ROHS3 Compliant | Lead Free | 16A | No | 3 | UL RECOGNIZED | ISOWATT220AB-3 | Through Hole | -40°C~125°C TJ | 700V | e3 | Matte Tin (Sn) | T1620 | 3 | TRIACs | 1 | Single | TO-220AB | ISOLATED | 0.01mA | 200V/us | 700V | 35mA | 16A | SNUBBERLESS TRIAC | 35mA | 1.3V | 200A 218A | 20mA | Alternistor - Snubberless | 10V/us | ||||||||||||||||||||||||
|
5P6M-AZ | Renesas | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
BCR4CM-16LH-1#B00 | Rochester Electronics | 0.0000 |
Min: 1 Mult: 1 |
0.00000000 | Tube | Obsolete | 3 (168 Hours) | Non-RoHS Compliant | TO-220-3 | Through Hole | Single | TO-220AB | 800V | 4A | 1.5V | 30A @ 60Hz | 10mA | Logic - Sensitive Gate |
-
BT137-600G0TQ NXP Semiconductors
BT137-600G0TQ datasheet pdf and Thyristors - TRIACs product details from NXP USA Inc. stock available at HK JDW
Price: 0.0000
RFQ -
-
SKKT27/16E Semikron
Silicon Controlled Rectifier, 50A I(T)RMS, 25000mA I(T), 1600V V(DRM), 1600V V(RRM), 2 Element, TO-240AA, CASE A 46, SEMIPACK 1, 7 PIN
Price: 0.0000
RFQ -
-
-
BTA25-600CW3G ON Semiconductor
Triac, 3 Quadrant Internally Isolated, 35 mA IGT, 25 A IT(RMS) 600 V, TO-220 3 LEAD STANDARD, 50-TUBE
Price: 0.0000
RFQ -
-
-
-
SM2GZ47A(Q) Torex Semiconductor Ltd
SM2GZ47A(Q) datasheet pdf and Thyristors - TRIACs product details from Toshiba stock available at HK JDW
Price: 0.0000
RFQ -
-
-
-
-
-
-
-
SKKD100/16 Semikron
Rectifier Diode, 1 Phase, 2 Element, 100A, 1600V V(RRM), Silicon, CASE A10, 3 PIN
Price: 0.0000
RFQ -
-
-
BT152-800R NXP Semiconductors
Silicon Controlled Rectifier, 20 A, 800 V, SCR, TO-220AB, PLASTIC, TO-220AB, 3 PIN
Price: 0.0000
RFQ -
-
-
-
-
-
-
-
-
Need Help?
