Part Number
1650K
Manufacturer
Description
TRANSFORMER AUDIO 3.4KCT 50W
Datasheet
Package
-
In Stock
8,658 piece(s)
Unit Price
Request a Quote
Lead Time
To be Confirmed
Estimated Delivery Time
Dec 25 - Dec 30 ( Choose Expedited Shipping)
Request for Quotation
Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.
Do you have any question about 1650K?
+86-755-83210559 ext. 809
Part Number # 1650K (Audio Transformers) is manufactured by Hammond Manufacturingand distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.
For 1650Kspecifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1650K with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1650K.
Neva*****yala
March 29, 2023
Luci*****Gulati
March 28, 2023
Chris*****Rojas
March 17, 2023
Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market,
and our agent will prompt you to finish the order if you accept our offers.
We have a professional and experienced quality control team to strictly verify and test the1650K. All suppliers must pass our qualification reviews before they can publish their products including 1650K on Heisener;we pay more attention to the channels and quality of 1650Kproducts than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1650K price and inventory displayed accurate?The price and inventory of 1650K fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
Warm Tips: Some orders in certain payment forms may require handling fee.
Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the 1650K we delivered, we will accept the replacement or return of the 1650K only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of1650K.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
If you need any after-sales service, please do not hesitate to contact us.
We guarantee 100% customer satisfaction.
Our experienced sales team and tech support team back our services to satisfy all our customers.
We provide 90 days warranty.
If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Part Number | Manufacturer | Description | Stock |
1650KP D# E1077948 |
Hammond Manufacturing |
push-pull tube output potted transformer RoHS: Not Compliant
|
0 |
1650KA D# 70317092 |
Hammond Manufacturing |
push-pull audiophile tube output transformer RoHS: Compliant
|
0 |
1650K D# E1077946 |
Hammond Manufacturing |
push-pull audiophile tube output transformer RoHS: Not Compliant
|
0 |
820016-50KIT D# 71977006 |
Norgren |
PORTING BLOCK KIT RoHS: Not Compliant
|
0 |
840016-50KIT D# 71977008 |
Norgren |
P-SENSING BLOCK, Excelon Plus RoHS: Not Compliant
|
0 |
Part Number | Manufacturer | Description | Stock |
1650KAP D# V99:2348_19781877 |
Hammond Manufacturing |
Audio TX 3.4K Ohm 50 Watt RoHS: Compliant
|
0 |
1650KA D# V99:2348_19781876 |
Hammond Manufacturing |
Audio Transformer 2000Vrms 9 Terminal Wire Lead Flange Mount RoHS: Compliant
|
0 |
1650K D# V99:2348_19781875 |
Hammond Manufacturing |
Audio Transformer 2000Vrms 34.4Ohm/40.2Ohm Prim. DCR 0.29Ohm/0.48Ohm Sec. DCR 9 Terminal Wire Lead Flange Mount RoHS: Compliant
|
0 |
CY7C1650KV18-450BZC D# V36:1790_07838942 |
Cypress Semiconductor |
SRAM Chip Sync Single 1.8V 144M-bit 4M x 36 0.45ns 165-Pin FBGA Tray RoHS: Not Compliant
|
0 |
Part Number | Manufacturer | Description | Stock |
RMKMS81650KDBT D# RMKMS816-50KDBT |
Vishay Intertechnologies |
Res Thin Film NET 50K Ohm 0.1% 1/2W ±15ppm/°C ISOL Molded 16-Pin Gull Wing SO SMD T/R - Tape and Reel (Alt: RMKMS816-50KDBT) RoHS: Not Compliant
|
0 |
N2516-50K2RB D# 05111165264 |
3M Interconnect |
Conn Shrouded Header HDR 16 POS 2.54mm Solder RA Thru-Hole - Bulk (Alt: 05111165264) RoHS: Compliant
|
0 |
RMKMS816-50KDB D# RMKMS816-50KDB |
Vishay Intertechnologies |
RMKM S816 50K 0,5% 0,1% E3 - Rail/Tube (Alt: RMKMS816-50KDB) RoHS: Not Compliant
|
0 |
RMKMS816-50KDBTB D# RMKMS816-50KDBTB |
Vishay Intertechnologies |
Resistor Network Thin Film 50kOhm 500mW 0.5% 16-Pin SOIC T/R - Tape and Reel (Alt: RMKMS816-50KDBTB) RoHS: Not Compliant
|
0 |
RMKMS816-50KBB D# RMKMS816-50KBB |
Vishay Intertechnologies |
Dual In Line Thin Film Resistor Network 50K Ohm 0.1% 0.5 W ±15 ppm/°C Isolated 16-Pin SMD Bulk - Rail/Tube (Alt: RMKMS816-50KBB) RoHS: Not Compliant
|
0 |
RMKMS816-50KBBT D# RMKMS816-50KBBT |
Vishay Intertechnologies |
Dual In Line Thin Film Resistor Network 50K Ohm 0.1% 0.5 W ±15 ppm/°C Isolated 16-Pin SMD T/R - Custom Tape W/Leader (Alt: RMKMS816-50KBBT) |
0 |
CY7C1650KV18-450BZC D# CY7C1650KV18-450BZC |
Cypress Semiconductor |
SRAM Chip Sync Single 1.8V 144M-Bit 4M x 36 0.45ns 165-Pin FBGA Tray - Bulk (Alt: CY7C1650KV18-450BZC) RoHS: Not Compliant
|
0 |
Part Number | Manufacturer | Description | Stock |
RMKMS81650KDBT D# RMKMS816-50KDBT |
Vishay Intertechnologies |
Res Thin Film NET 50K Ohm 0.1% 1/2W ±15ppm/°C ISOL Molded 16-Pin Gull Wing SO SMD T/R - Tape and Reel (Alt: RMKMS816-50KDBT) |
0 |
RMKMS816-50KDB D# RMKMS816-50KDB |
Vishay Intertechnologies |
RMKM S816 50K 0,5% 0,1% E3 (Alt: RMKMS816-50KDB) |
0 |
Part Number | Manufacturer | Description | Stock |
2516-50K2UB |
3M Interconnect |
CONN HEADER 16POS R/A GOLD T/H |
0 |
2516-50K2UG |
3M Interconnect |
CONN HEADER 16POS R/A GOLD T/H |
0 |
CY7C1650KV18-450BZC |
Cypress Semiconductor |
N/A |
16 |
1650KP |
Hammond Manufacturing |
TRANSFMR AUDIO 3.4KCT 4/8/16 IMP |
0 |
N2516-50K2-RB |
3M Interconnect |
80400029098 N2516-50K2-RB=16P/RA/HDR/.035K/.112TAIL/ROHS - Bulk |
0 |
N2516-50K2RB |
3M Interconnect |
80400029098 N2516-50K2-RB=16P/RA/HDR/.035K/.112TAIL/ROHS - Bulk |
0 |
1650K |
TT Electronics Resistors |
SPF1650KLF |
0 |
CY7C1650KV18-400BZC |
Cypress Semiconductor |
N/A |
75 |
1650KA |
Vishay Thin Film |
RES ARRAY 50K OHM 8 RES 16SOIC |
0 |
Part Number | Manufacturer | Description | Stock |
7447649147 D# C1S813800201896 |
Wurth Electronics Midcom |
Inductor Surface Mount Min Qty: 5
Container: Bulk
|
50 |
Part Number | Manufacturer | Description | Stock |
7447649133 D# 732-7316-1-ND |
Wurth Elektronik |
FIXED IND 33UH 320MA 3.64 OHM |
933 |
CY7C1650KV18-450BZC D# 2156-CY7C1650KV18-450BZC-ND |
Rochester Electronics LLC |
IC SRAM 144MBIT PARALLEL 165FBGA |
101 |
1650KP D# 1650KP-ND |
Hammond Manufacturing |
TRANSFMR AUDIO 3.4KCT 4/8/16 IMP |
0 |
715-5-7/16-50-KA D# 2419-715-5-7/16-50-KA-ND |
JW Winco Inc |
ALUMINUM PRESS-FIT THRUST PIN |
35 |
715-5-7/16-50-KB D# 2419-715-5-7/16-50-KB-ND |
JW Winco Inc |
ALUMINUM PRESS-FIT THRUST PIN |
45 |
XDCAG51M650PGA00P0 D# 490-XDCAG51M650PGA00P0TR-ND |
Murata Manufacturing Co Ltd |
MONOLITHIC CRYSTAL FILTER 51.65M |
3000 |
1650KA D# HM4352-ND |
Hammond Manufacturing |
AUDIOPHILE TUBE OUTPUT TRANSFRMR |
1 |
1650K D# HM4353-ND |
Hammond Manufacturing |
TRANSFORMER AUDIO 3.4KCT 50W |
3 |
7447649147 D# 732-7317-1-ND |
Wurth Elektronik |
FIXED IND 47UH 250MA 5.46 OHM |
1044 |
CY7C1650KV18-400BZC D# 2156-CY7C1650KV18-400BZC-CY-ND |
Rochester Electronics LLC |
IC SRAM 144MBIT PARALLEL 165FBGA |
359 |
Part Number | Manufacturer | Description | Stock |
BCM61650KFBG |
Broadcom Limited |
In stock shipping within 2days |
120 |
7447649133 |
Wurth Elektronik |
In stock shipping within 2days |
11260 |
Part Number | Manufacturer | Description | Stock |
7447649147 D# 2493197 |
Wurth Elektronik |
INDUCTOR, 47UH, 10%, 0.25A, 17MHZ, 1210 RoHS: Compliant
Min Qty: 1
Container: Each
|
292 |
7447649133 D# 2493196 |
Wurth Elektronik |
INDUCTOR, 33UH, 10%, 0.32A, 22MHZ, 1210 RoHS: Compliant
Min Qty: 1
Container: Each
|
14 |
Part Number | Manufacturer | Description | Stock |
CY7C1650KV18-450BZXI |
Cypress Semiconductor |
Available |
9000 |
CY7C1650KV18-450BZC |
Cypress Semiconductor |
Stock |
286 |
CY7C1650KV18-450BZXC |
Cypress Semiconductor |
Available |
6000 |
CY7C1650KV18-400BZXI |
Cypress Semiconductor |
Available |
14000 |
CY7C1650KV18-400BZXC |
Cypress Semiconductor |
Available |
9000 |
CY7C1650KV18-400BZC |
Cypress Semiconductor |
Available |
5000 |
Part Number | Manufacturer | Description | Stock |
SMT1650KIT |
TEMPO COMMUNICATIONS |
OEM/CM QUOTES ONLY | NO BROKERS |
1 |
SMT1650KITHP |
TEMPO COMMUNICATIONS |
OEM/CM QUOTES ONLY | NO BROKERS |
1 |
1650KAP |
Hammond Mfg. |
OEM/CM QUOTES ONLY | NO BROKERS |
6 |
CY7C1650KV18450BZC |
Cypress Semiconductor |
OEM/CM QUOTES ONLY | NO BROKERS |
329 |
SOADAM1650K |
N/A |
OEM/CM QUOTES ONLY | NO BROKERS |
6 |
1650KP |
Hammond Mfg. |
OEM/CM QUOTES ONLY | NO BROKERS |
2 |
F1650K |
ILAN |
OEM/CM QUOTES ONLY | NO BROKERS |
1 |
251650K2UB |
3M |
OEM/CM QUOTES ONLY | NO BROKERS |
125 |
PC1650KB |
Piher Sensors & Controls |
OEM/CM QUOTES ONLY | NO BROKERS |
40 |
1650KA |
HAMMOND |
OEM/CM QUOTES ONLY | NO BROKERS |
22 |
715571650KB |
J.W. WINCO |
OEM/CM QUOTES ONLY | NO BROKERS |
52 |
RMC11650K1R |
"SEI" |
OEM/CM QUOTES ONLY | NO BROKERS |
3196 |
CY7C1650KV18400BZCES |
CYP |
OEM/CM QUOTES ONLY | NO BROKERS |
216 |
251650K2UG |
3M |
OEM/CM QUOTES ONLY | NO BROKERS |
168 |
1650K |
Hammond Manufacturing |
OEM/CM QUOTES ONLY | NO BROKERS |
24 |
Part Number | Manufacturer | Description | Stock |
CT106-1650K |
Central Technologies | 0 |
Part Number | Manufacturer | Description | Stock |
7447649147 |
Wurth Elektronik |
OEM/CM Immediate delivery |
6000 |
7447649133 |
Wurth Elektronik |
OEM/CM Immediate delivery |
6000 |
Part Number | Manufacturer | Description | Stock |
7447649133 D# 710-7447649133 |
Wurth Elektronik |
Fixed Inductors WE-GFH HiFreq 3225 33uH 320mA 364mOhms RoHS: Compliant
|
986 |
1650KA D# 546-1650KA |
Hammond Manufacturing |
Audio Transformers / Signal Transformers PUSHPULL 50W 3,400CT RoHS: Compliant
|
1 |
1650K D# 546-1650K |
Hammond Manufacturing |
Audio Transformers / Signal Transformers 50W 3.4K ct / 4-8-16 Push-Pull Tube Type RoHS: Compliant
|
1 |
7447649147 D# 710-7447649147 |
Wurth Elektronik |
Fixed Inductors WE-GFH HiFreq 3225 47uH 250mA 546mOhms RoHS: Compliant
|
1053 |
Part Number | Manufacturer | Description | Stock |
7447649133 D# 55Y0265 |
Wurth Elektronik |
Surface Mount High Frequency Inductor, WE-GFH Series, 33 H, 10%, 1210 [3225 Metric], 22 MHz RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
14 |
1650KA D# 51R4189 |
Hammond Manufacturing |
push-pull audiophile tube output transformer RoHS: Not Compliant
Min Qty: 1
Container: Bulk
|
18 |
1650K D# 66F7651 |
Hammond Manufacturing |
AUDIO TRANSFORMER RoHS: Not Compliant
Min Qty: 1
Container: Bulk
|
14 |
RMKMS816-50KDBTB D# 10AJ0575 |
Vishay Intertechnologies |
RMKM S816 50K 0,5% 0,1% TR250 e3 RoHS: Not Compliant
Min Qty: 100
Container: Bulk
|
0 |
7447649147 D# 55Y0266 |
Wurth Elektronik |
Surface Mount High Frequency Inductor, WE-GFH Series, 47 H, 10%, 1210 [3225 Metric], 17 MHz RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
36 |
RMKMS816-50KBBT D# 62X3649 |
Vishay Intertechnologies |
RMKM S816 50K 0,1% 0,1% TR e3 RoHS: Not Compliant
Min Qty: 100
Container: TAPE & REEL - FULL
|
0 |
1650KP D# 24B8285 |
Hammond Manufacturing |
AUDIO TRANSFORMER RoHS: Not Compliant
Min Qty: 1
Container: Bulk
|
0 |
Part Number | Manufacturer | Description | Stock |
2516-50K2UG D# NS-2516-50K2UG |
3M |
OEM/CM ONLY |
7965 |
CY7C1650KV18-450BZC D# NS-CY7C1650KV18-450BZC |
Cypress Semiconductor |
OEM/CM ONLY |
3635 |
1650KP D# NS-1650KP |
Hammond Manufacturing |
OEM/CM ONLY |
9395 |
1650K D# NS-1650K |
Hammond Manufacturing |
OEM/CM ONLY |
7217 |
1650KA D# NS-1650KA |
Hammond Manufacturing |
OEM/CM ONLY |
6536 |
CY7C1650KV18-400BZC D# NS-CY7C1650KV18-400BZC |
Cypress Semiconductor |
OEM/CM ONLY |
7873 |
2516-50K2UB D# NS-2516-50K2UB |
3M |
OEM/CM ONLY |
8829 |
Part Number | Manufacturer | Description | Stock |
1650KAP |
Hammond Manufacturing |
push-pull tube output potted t |
3 |
1650KA |
Hammond Manufacturing |
push-pull audiophile tube outpu |
11 |
1650K |
Hammond Manufacturing |
push-pull audiophile tube output |
8 |
Part Number | Manufacturer | Description | Stock |
1287-116-50K D# 1287-116-50K |
Vishay Dale |
Call 6312343553 |
1530 |
Part Number | Manufacturer | Description | Stock |
7447649147 D# 8997195 |
Wurth Elektronik |
Wurth, WE-GFH, 3225 Wire-wound SMD Inductor with a Iron Core, 47 H Moulded 250mA Idc Q:35, BG Min Qty: 10
Container: Bag
|
100 |
Part Number | Manufacturer | Description | Stock |
CY7C1650KV18-400BZC |
Cypress Semiconductor |
DDR SRAM, 4MX36, CMOS, PBGA165 RoHS: Not Compliant
|
359 |
CY7C1650KV18-450BZC |
Cypress Semiconductor |
DDR SRAM, 4MX36, CMOS, PBGA165 RoHS: Not Compliant
|
101 |
Part Number | Manufacturer | Description | Stock |
PW301650KLF D# 000000000004567826 |
TT Electronics Resistors |
Wirewound Resistors - Chassis Mount |
0 |
WBC-R0202GS-01-1650-K D# 000000000004657884 |
TT Electronics Resistors |
TT Electronics |
0 |
WBC-B0202GG-00-1650-K D# 000000000004628055 |
TT Electronics Resistors |
Resistor Networks & Arrays |
0 |
WBC-B0202AG-02-1650-K D# 000000000004609104 |
TT Electronics Resistors |
Resistor Networks & Arrays |
0 |
PW31650KLF D# 000000000004568964 |
TT Electronics Resistors |
Wirewound Resistors - Through Hole |
0 |
WBC-T0303GS-02-1650-K D# 000000000004687644 |
TT Electronics Resistors |
TT Electronics |
0 |
PW181650KLF D# 000000000004562650 |
TT Electronics Resistors |
Wirewound Resistors - Through Hole |
0 |
PWR71650KLF D# 000000000004584238 |
TT Electronics Resistors |
Wirewound Resistors - Through Hole |
0 |
WBC-R0202GS-02-1650-K D# 000000000004661464 |
TT Electronics Resistors |
TT Electronics |
0 |
WBC-B0202AA-00-1650-K D# 000000000004588785 |
TT Electronics Resistors |
Resistor Networks & Arrays |
0 |
WBC-T0303GS-01-1650-K D# 000000000004684064 |
TT Electronics Resistors |
TT Electronics |
0 |
WBC-B0202AG-01-1650-K D# 000000000004605524 |
TT Electronics Resistors |
Resistor Networks & Arrays |
0 |
PW401650KLF D# 000000000004569994 |
TT Electronics Resistors |
Wirewound Resistors - Chassis Mount |
0 |
PW20E1650KLF D# 000000000004564458 |
TT Electronics Resistors |
Wirewound Resistors - Chassis Mount |
0 |
PW71650KLF D# 000000000004573224 |
TT Electronics Resistors |
Wirewound Resistors - Through Hole |
0 |
Part Number | Manufacturer | Description | Stock |
BCM61650KFBG |
Broadcom Limited |
OEM/CM ONLY |
136 |
7447649147 |
Wurth Elektronik |
OEM/CM ONLY |
131 |
CY7C1650KV18450BZC |
Cypress Semiconductor |
OEM/CM ONLY |
330 |
SM T 1650 KIT HP |
TEMPO COMMUNICATIONS |
OEM/CM ONLY |
96 |
251650K2UB |
3M Interconnect |
OEM/CM ONLY |
127 |
PC1650KB |
OEM/CM ONLY |
49 | |
71557/1650KA |
J.W. WINCO |
OEM/CM ONLY |
130 |
CY78C1650KV18400BZXCES |
Cypress Semiconductor |
OEM/CM ONLY |
112 |
SM T 1650 KIT |
TEMPO COMMUNICATIONS |
OEM/CM ONLY |
96 |
71557/1650KB |
J.W. WINCO |
OEM/CM ONLY |
140 |
RMC11650K1R |
SEI Stackpole Electronics Inc |
OEM/CM ONLY |
2679 |
CY7C1650KV18400BZCES |
Cypress Semiconductor |
OEM/CM ONLY |
204 |
251650K2UG |
3M Interconnect |
OEM/CM ONLY |
165 |
1/2W 1 650K |
RES |
OEM/CM ONLY |
97 |
Part Number | Manufacturer | Description | Stock |
7447649147 |
Wurth Electronics Midcom |
IN stock Immediate delivery |
6015 |
7447649133 |
Wurth Electronics Midcom |
IN stock Immediate delivery |
6015 |
Part Number | Manufacturer | Description | Stock |
BCM61650KFBG |
Broadcom Limited |
shipping today |
21 |
Part Number | Manufacturer | Description | Stock |
7447649147 D# 2493197 |
Wurth Elektronik |
INDUCTOR, 47UH, 10%, 0.25A, 17MHZ, 1210 RoHS: Compliant
Min Qty: 1
Container: Each
|
36 |
7447649133 D# 2493196 |
Wurth Elektronik |
INDUCTOR, 33UH, 10%, 0.32A, 22MHZ, 1210 RoHS: Compliant
Min Qty: 1
Container: Each
|
14 |
CAP TANT 22UF 10V 10% 1206
IC LED DRIVER 5-CH CMOS 20-DIP
CONN USB MICRO B RECPT SMT R/A
IC INVERTER HEX SCHMITT 14-SOIC
RELAY SSR 240VAC 2A TRIAC 4-SIP
DIODE ZENER 13V 500MW SOD123
IC SENSOR TEMP DUAL3/5.5V 16QSOP
IC RF POWER AMP 2170MHZ 16-PFP
LED RED CLEAR 2PLCC SMD
IC SRAM 32MBIT 12NS 48FBGA
0603Y2000150FUT
Knowles Syfer, CAP CER LOW ESR 06030805J2500150JCR
Knowles Syfer, CAP CER 15PF 250V C0G/NP0 0805IRLL014NTR
Infineon Technologies, MOSFET N-CH 55V 2A SOT223MAX5942ACSE+T
Maxim Integrated, IC IEEE 802.3AF POE SYSTM 16SOICAUIRS20161S
Infineon Technologies, IC DRVR IGBT/MOSFET 8SOICCS35L00-CNZR
Cirrus Logic Inc., IC AMP MONO CLASS D 2.83W 10DFNTSB81BA3DPFPG4
Texas Instruments, IC TXRX/ARBITER 3-PORT 80-HTQFPRCP2512B2K00JS2
Vishay Dale, RES SMD 2K OHM 5% 22W 2512MCU08050D1582BP500
Vishay Beyschlag, RES SMD 15.8K OHM 0.1% 1/8W 0805ERJ-S08F2100V
Panasonic Electronic Components, RES SMD 210 OHM 1% 1/4W 1206450-V3-252-00-006101
Preci-Dip, CONN HDR 52POS 2.54MM T/HMS27466T13F4J-LC
TE Connectivity Deutsch Connectors, CONN RCPT HSNG FMALE 4POS PNL MT