零件編號 | 1N4734 G |
---|---|
製造商 | Microsemi Corporation |
描述 | DIODE ZENER 5.6V 1W DO204AL |
數據表 | |
封裝 | DO-204AL, DO-41, Axial |
ECAD | |
庫存 | 3,728 piece(s) |
單價 | Request a Quote |
交貨期 | 待確認 |
預計送達時間 | 十二月 6 - 十二月 11 (選擇速遞服務) |
請求報價 |
|
支付方式 | |
送貨服務 |
我們保證100%的客戶滿意度。
我們經驗豐富的銷售團隊和技術支持團隊支持我們的服務以滿足所有客戶。
我們提供90天保修。
如果您收到的物品質量不合格,我們將負責您的退款或更換,但物品必須以原始狀態退回。
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TR D# 70061608 |
Vishay Semiconductors |
Diode,Zener,Vr 5.6V,If 200mA,Pkg DO-41,Vf 1.2V,Tj +175degc,Cs 810mA,Pd 1.3W RoHS: Not Compliant
|
5541 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734G D# V72:2272_19770093 |
EIC Corporation |
Zener Diode Single 5.6V 10% 5Ohm 1000mW 2-Pin DO-41 |
0 |
1N4734G R0 D# V36:1790_07133353 |
Taiwan Semiconductor |
1W DO-41 Zener Voltage Regulators |
0 |
1N4734A,133 D# V36:1790_06480653 |
Nexperia |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Ammo |
0 |
1N4734A-TAP D# V72:2272_17583381 |
Vishay Intertechnologies |
Zener Diode Single 5.6V 5% 5Ohm 1300mW Automotive 2-Pin DO-41 Ammo |
0 |
1N4734A-TR D# V72:2272_07456526 |
Vishay Intertechnologies |
Zener Diode Single 5.6V 5% 5Ohm 1300mW Automotive 2-Pin DO-41 T/R |
0 |
1N4734A-T50A D# V79:2366_17787954 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Ammo |
0 |
1N4734ATR D# V36:1790_06297041 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 T/R |
0 |
1N4734G R0G D# V36:1790_16935812 |
Taiwan Semiconductor |
Diode Zener Single 5.6V 5% 1000mW 2-Pin DO-41 T/R |
0 |
1N4734A D# V36:1790_06297029 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Bag |
0 |
1N4734A,113 D# V36:1790_06480650 |
Nexperia |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 T/R |
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A D# 1N4734A |
ON Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Bulk - Bulk (Alt: 1N4734A) RoHS: Compliant
|
0 |
1N4734 G D# 1N4734 G |
VPT Components |
COMMERCIAL ZENER VOLTAGE REGULATOR DIODE - Bulk (Alt: 1N4734 G) RoHS: Not Compliant
|
0 |
1N4734A,113 D# 1N4734A,113 |
Nexperia |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 T/R - Tape and Reel (Alt: 1N4734A,113) RoHS: Compliant
|
0 |
1N4734A TR PBFREE D# 1N4734A TR PBFREE |
Central Semiconductor Corp |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 T/R - Tape and Reel (Alt: 1N4734A TR PBFREE) RoHS: Compliant
|
0 |
1N4734G A0G D# 1N4734G A0G |
Taiwan Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Ammo Box - Ammo Pack (Alt: 1N4734G A0G) RoHS: Compliant
|
0 |
1N4734A-TR D# 33C2777 |
Vishay Intertechnologies |
Diode Zener Single 5.6V 5% 1.3W 2-Pin DO-41 T/R - Product that comes on tape, but is not reeled (Alt: 33C2777) RoHS: Compliant
|
0 |
1N4734A,133 D# 1N4734A,133 |
NXP Semiconductors |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Ammo - Bulk (Alt: 1N4734A,133) RoHS: Compliant
|
0 |
1N4734A-TAP D# 18M3504 |
Vishay Intertechnologies |
Diode Zener Single 5.6V 5% 1.3W 2-Pin DO-41 Ammo - Product that comes on tape, but is not reeled (Alt: 18M3504) RoHS: Compliant
|
0 |
1N4734G R0G D# 1N4734G R0G |
Taiwan Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Paper T/R - Tape and Reel (Alt: 1N4734G R0G) RoHS: Compliant
|
0 |
1N4734ATR D# 1N4734ATR |
ON Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 T/R - Bulk (Alt: 1N4734ATR) RoHS: Compliant
|
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR D# 1N4734ATR |
ON Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 T/R (Alt: 1N4734ATR) RoHS: Compliant
|
0 |
1N4734A D# 1N4734A |
ON Semiconductor |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Bulk (Alt: 1N4734A) RoHS: Compliant
|
0 |
1N4734A,133 D# 1N4734A,133 |
Nexperia |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 Ammo (Alt: 1N4734A,133) RoHS: Compliant
|
0 |
1N4734A-TAP D# 1N4734A-TAP |
Vishay Intertechnologies |
Diode Zener Single 5.6V 5% 1.3W 2-Pin DO-41 Ammo (Alt: 1N4734A-TAP) |
0 |
1N4734A,113 D# 1N4734A,113 |
Nexperia |
Diode Zener Single 5.6V 5% 1W 2-Pin DO-41 T/R (Alt: 1N4734A,113) RoHS: Compliant
|
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TR |
Vishay Intertechnologies | 4471 | |
1N4734A,113 |
Philips Semiconductors | 5000 | |
1N4734A |
National Semiconductor Corporation | 500 | |
1N4734ATR |
Fairchild Semiconductor Corporation | 5897 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
SPC Multicomp |
DIODE, ZENER, 1W, 5.6V, DO-41 |
10526 |
1N4734G |
Microsemi Corporation |
ZENER SGL 5.6V 10% 1W 2PIN DO-41 - Bulk |
0 |
1N4734 G |
Microsemi Corporation |
ZENER SGL 5.6V 10% 1W 2PIN DO-41 - Bulk |
0 |
1N4734A-TAP |
Vishay Semiconductors |
ZENER DIODE, 1.3W, 5.6V, DO-41 |
15679 |
1N4734A-TR |
Fairchild Semiconductor Corporation |
ZENER DIODE, 1W, 5.6V, DO-41 |
977 |
1N4734ATR |
Fairchild Semiconductor Corporation |
ZENER DIODE, 1W, 5.6V, DO-41 |
977 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A,113 D# C1S537100149192 |
Nexperia |
1N4734A/SOD66/DO-41 RoHS: Compliant
pbFree: Yes
Min Qty: 50
Container: Cut Tape
|
3300 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
ON Semiconductor |
5.6V ±, 5% 1W 10uA @ 2V DO-41 Zener Diodes RoHS |
2240 |
1N4734A-TAP |
Vishay Intertechnologies |
5.6V ±, 5% 1.3W 10uA @ 2V DO-41 Zener Diodes RoHS |
870 |
1N4734A,133 |
Nexperia |
5.6V ±, 5% 1W 10uA @ 2V DO-41 Zener Diodes RoHS |
80 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734G R0G D# 1N4734GR0G-ND |
Taiwan Semiconductor Manufacturing Company Limited |
DIODE ZENER 5.6V 1W DO204AL |
0 |
1N4734A-TR D# 1N4734AVSCT-ND |
Vishay Semiconductors |
DIODE ZENER 5.6V 1.3W DO41 |
11657 |
1N4734A TR PBFREE D# 1514-1N4734ATRPBFREECT-ND |
Central Semiconductor Corp |
DIODE ZENER 5.6V 1W DO41 |
4672 |
1N4734ATR D# 2156-1N4734ATR-OS-ND |
Rochester Electronics LLC |
DIODE ZENER 5.6V 1W 5% |
474975 |
1N4734G A0G D# 1N4734GA0G-ND |
Taiwan Semiconductor Manufacturing Company Limited |
DIODE ZENER 5.6V 1W DO204AL |
0 |
1N4734A D# 1N4734AFS-ND |
ON Semiconductor |
DIODE ZENER 5.6V 1W DO41 |
12049 |
1N4734A,113 D# 1727-4225-1-ND |
Nexperia |
DIODE ZENER 5.6V 1W DO41 |
4675 |
1N4734A-T50A D# 1N4734A-T50ACT-ND |
ON Semiconductor |
DIODE ZENER 5.6V 1W DO41 |
4228 |
1N4734A-TAP D# 1N4734A-TAPGICT-ND |
Vishay Semiconductors |
DIODE ZENER 5.6V 1.3W DO41 |
23448 |
1N4734A,133 D# 1727-1939-1-ND |
Nexperia |
DIODE ZENER 5.6V 1W DO41 |
4196 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A D# 1N4734A |
Vishay Intertechnologies |
Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct |
50 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TAP |
Vishay Intertechnologies |
In stock shipping within 2days |
5260 |
1N4734A |
STMicroelectronics |
In stock shipping within 2days |
300 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR D# 2453285 |
ON Semiconductor |
ZENER DIODE, 1W, 5.6V, DO-41-2 RoHS: Compliant
Min Qty: 5
Container: Each
|
0 |
1N4734A D# 1861448RL |
SPC Multicomp |
DIODE, ZENER, 1W, 5.6V, DO-41 RoHS: Compliant
Min Qty: 5
Container: Reel
|
0 |
1N4734A-T50A D# 3606799 |
ON Semiconductor |
ZENER 1W 5PERC 5.6 V (FAN-FOLD) RoHS: Not Compliant
Min Qty: 9000
Container: Pack
|
0 |
1N4734A-TR D# 1469420RL |
Vishay Intertechnologies |
DIODE, ZENER, 5.6V, 1.3W RoHS: Compliant
Min Qty: 5
Container: Reel
|
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TR |
Vishay Intertechnologies |
1N4734A Series 1.3 W 5.6 V 200 mA 5 % Tolerance Through Hole Zener Diode - DO-41 RoHS: Compliant
pbFree: Yes
|
0 |
1N4734ATR |
ON Semiconductor |
1N4734 Series 1 W 5.6 V 10 uA Through Hole Zener Diode - DO-41 RoHS: Compliant
pbFree: Yes
|
17700 |
1N4734A,113 |
Nexperia |
1N4734A Series 5.6 V ±5 % 1 W Through Hole Voltage Regulator Diode - DO-41 RoHS: Compliant
pbFree: Yes
|
850 |
1N4734A |
ON Semiconductor |
1N4734 Series 1 W 5.6 V 10 uA Through Hole Zener Diode - DO-41 RoHS: Compliant
pbFree: Yes
|
0 |
1N4734G R0G |
Taiwan Semiconductor |
RoHS: Compliant
pbFree: Yes
|
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
STMicroelectronics |
OEM/CM QUOTES ONLY | NO BROKERS |
1100000 |
1N4734ATR |
ON SEMICONDUCTOR |
OEM/CM QUOTES ONLY | NO BROKERS |
46200 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734G |
NXP Semiconductors |
OEM/CM ONLY |
18100 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
Suzhou Good-Ark Electronics Co Ltd | 5000 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
Motorola Mobility LLC |
In stock |
281 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
Vishay Vitramon |
Ceramic Capacitor RoHS: Compliant
|
34 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TAP D# C241984 |
Vishay Intertechnologies | 870 | |
1N4734A,133 D# C135569 |
Nexperia | 80 | |
1N4734A D# C2537 |
Semtech Corporation | 1000 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
STMicroelectronics |
in stock - can ship the same day |
1970 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
SZXYL |
OEM/CM Immediate delivery |
8989668 |
1N4734ATR |
Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
35775 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A TR PBFREE D# 610-1N4734ATR |
Central Semiconductor Corp |
Zener Diodes 1.0 Watt 5.32V 5.88V 45mA 600oHm RoHS: Compliant
|
13585 |
1N4734A,133 D# 771-1N4734A,133 |
Nexperia |
Zener Diodes Diode Zener Single 5.6V 5% 1W 2-Pin RoHS: Compliant
|
6296 |
1N4734A-TR D# 78-1N4734A |
Vishay Intertechnologies |
Zener Diodes 5.6 Volt 1.3 Watt RoHS: Compliant
|
37418 |
1N4734A-T50A D# 512-1N4734AT50A |
ON Semiconductor |
Zener Diodes 5.6V 1W ZENER 5% RoHS: Compliant
|
3089 |
1N4734A-TAP D# 78-1N4734A-TAP |
Vishay Intertechnologies |
Zener Diodes 5.6 Volt 1.3 Watt RoHS: Compliant
|
36031 |
1N4734A D# 512-1N4734A |
ON Semiconductor |
Zener Diodes 5.6V 1W ZENER 5% RoHS: Compliant
|
18566 |
1N4734ATR D# 512-1N4734ATR |
ON Semiconductor |
Zener Diodes 5.6V 1W ZENER 5% RoHS: Compliant
|
21891 |
1N4734A,113 D# 771-1N4734A-T/R |
Nexperia |
Zener Diodes 5.6V 1W RoHS: Compliant
|
200 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR D# XSCRSN000013016 |
Vishay Intertechnologies | 1800 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR D# 83C2505 |
ON Semiconductor |
ZENER DIODE, 1W, 5.6V, DO-41, FULL REEL, Zener Voltage Vz Typ:5.6V, Power Dissipation Pd:1W, Diode Case Style:DO-41, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:200°C, Product Range:-, Vz Test Current, Izt:45mARoHS Compliant: Yes RoHS: Compliant
Min Qty: 9000
Container: TAPE & REEL - FULL
|
0 |
1N4734A D# 18C8950 |
ON Semiconductor |
ZENER DIODE, 1W, 5.6V, DO-41, Zener Voltage Vz Typ:5.6V, Power Dissipation Pd:1W, Diode Case Style:DO-41, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:200°C, Product Range:MMSZ Series, Vz Test Current, Izt:45mA RoHS Compliant: Yes RoHS: Compliant
Min Qty: 1
Container: Bulk
|
9068 |
1N4734A,113 D# 75R5239 |
Nexperia |
ZENER DIODE, 1W, 5.6V, DO-41, Zener Voltage Vz Typ:5.6V, Power Dissipation Pd:1W, Diode Case Style:DO-204AL, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:200°C, Product Range:1N47xxA Series RoHS Compliant: Yes RoHS: Compliant
Min Qty: 5000
Container: Cut Tape
|
652 |
1N4734A-T50A D# 98AC4758 |
ON Semiconductor |
5.6V 5% 1 W ZENER ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 3000
Container: Bulk
|
12000 |
1N4734A-TR D# 55R1225 |
Vishay Intertechnologies |
ZENER DIODE, 1.3W, 5.6V, DO-41, FULL REEL, Zener Voltage Vz Typ:5.6V, Power Dissipation Pd:1.3W, Diode Case Style:DO-41, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:175°C, Product Range:- RoHS Compliant: Yes RoHS: Compliant
Min Qty: 25000
Container: TAPE & REEL - FULL
|
0 |
1N4734A-TAP D# 18M3504 |
Vishay Intertechnologies |
ZENER DIODE, 1.3W, 5.6V, DO-41, Zener Voltage Vz Typ:5.6V, Power Dissipation Pd:1.3W, Diode Case Style:DO-41, Zener Tolerance ±:5%, No. of Pins:2Pins, Operating Temperature Max:175°C, Product Range:1N47 Series, Breakdown Voltage:5.6VRoHS Compliant: Yes RoHS: Compliant
Min Qty: 25000
Container: Unspecified
|
25155 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A D# NS-1N4734A |
COMON |
OEM/CM ONLY |
7722 |
1N4734A-TR D# NS-1N4734A-TR |
Vishay Semiconductors |
OEM/CM ONLY |
15052 |
1N4734ATR D# NS-1N4734ATR |
Fairchild Semiconductor Corporation |
OEM/CM ONLY |
7912 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR |
Fairchild Semiconductor Corporation |
5.6 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41 |
4554 |
1N4734A |
ITT Interconnect Solutions |
Zener Diode, Two Terminal, 5.6 Volt, 5%, DO-204AL |
4700 |
1N4734A,113 |
Philips Semiconductors | 4000 | |
1N4734A-TR |
Fairchild Semiconductor Corporation |
5.6 V, 1.3 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41 |
5850 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A D# 1N4734A |
Temic Semiconductors |
Semiconductor |
5000 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734ATR |
ON Semiconductor |
Zener Diode, 5.6V, 5%, 1W RoHS: Compliant
|
18000 |
1N4734A,133 |
NXP Semiconductors |
Now Nexperia 1N4734A - Zener Diode, 5.6V, 5%, 1W, Unidirectional, DO-41 RoHS: Compliant
|
52480 |
1N4734A,113 |
NXP Semiconductors |
Now Nexperia 1N4734A - Zener Diode, 5.6V, 5%, 1W, Unidirectional, DO-41 RoHS: Compliant
|
135000 |
1N4734A |
ON Semiconductor |
Zener Diode, 5.6V, 5%, 1W RoHS: Compliant
|
9000 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
SZXYL |
IN stock Immediate delivery |
8989653 |
1N4734ATR |
Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
35760 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TAP |
Vishay Intertechnologies |
Zener Diodes 5.6 Volt 1.3 Watt pbFree: Pb-Free
|
0 |
1N4734A-TR |
Vishay Intertechnologies |
Zener Diodes 5.6 Volt 1.3 Watt pbFree: Pb-Free
|
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
Nexperia |
shipping today |
349696 |
1N4734A-TAP |
Vishay Huntington |
shipping today |
4999 |
1N4734A,113 |
Nexperia |
shipping today |
349696 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A D# 37112079 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Bag |
0 |
1N4734A,113 D# 36290506 |
Nexperia |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 T/R |
0 |
1N4734A,133 D# 32643908 |
Nexperia |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Ammo |
0 |
1N4734A-TR D# 27619520 |
Vishay Intertechnologies |
Zener Diode Single 5.6V 5% 5Ohm 1300mW Automotive 2-Pin DO-41 T/R |
0 |
1N4734A-T50A D# 26635924 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 Ammo |
0 |
1N4734A-TAP D# 36362547 |
Vishay Intertechnologies |
Zener Diode Single 5.6V 5% 5Ohm 1300mW Automotive 2-Pin DO-41 Ammo |
0 |
1N4734ATR D# 53459616 |
ON Semiconductor |
Zener Diode Single 5.6V 5% 5Ohm 1000mW 2-Pin DO-41 T/R |
0 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A |
RFQ |
9880 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TAP |
Vishay Huntington |
DIODE ZENER 5.6V 1.3W DO41 |
75000 |
零件編號 | 製造商 | 描述 | 庫存 |
1N4734A-TR D# 1469420 |
Vishay Intertechnologies |
DIODE, ZENER, 5.6V, 1.3W RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
7374 |
1N4734ATR D# 1704713 |
ON Semiconductor |
ZENER DIODE, 1W, 5.6V, DO-41 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
284 |
1N4734A D# 1861448 |
SPC Multicomp |
DIODE, ZENER, 1W, 5.6V, DO-41 RoHS: Compliant
Min Qty: 5
Container: Cut Tape
|
18528 |
您有關於 1N4734 G 的問題嗎?
86-755-83210559 x831
掃描以查看此頁面
IC AMP HBT 6000MHZ SOT-89
IC SYNTH PLL VCO 32LFCSP
IC FLASH 8MBIT 80MHZ 8SOIC
TVS DIODE 24VWM 40VC SMD
CAP TANT 22UF 10V 10% 1206
SWITCH TACTILE SPST-NO 0.05A 24V
IC LED DRIVER RGLTR DIM TSOT23-5
IC ADC 12BIT 8CH 456KSPS 48LQFP
MOSFET N-CH 25V 680MA SOT-23
CONN INLINE PLUG 10PIN SLD CUP