RS-232接口IC 15kV ESD, +2.7V TO 3.6V S/P TRANS I.C.
ADM3312EARUZ
Analog Devices
1:
NT$221.91
6,127 庫存量
2,852 在途量
Mouser 元件編號
584-ADM3312EARUZ
Analog Devices
RS-232接口IC 15kV ESD, +2.7V TO 3.6V S/P TRANS I.C.
6,127 庫存量
2,852 在途量
備用包裝
1
NT$221.91
10
NT$169.93
25
NT$149.49
100
NT$141.97
248
檢視
248
NT$135.15
558
NT$131.57
1,054
NT$129.42
購買
最少: 1
倍數: 1
詳細資料
TSSOP-24
ADM3312E
Transceiver
460 kb/s
3 Driver
3 Receiver
Full Duplex
3.6 V
2.7 V
SMD/SMT
1 uA
- 40 C
+ 85 C
15 kV
Tube
RS-232接口IC 1 A Supply-Current, True +3V to +5.5V RS
+2 張圖片
MAX3221CAE+T
Analog Devices / Maxim Integrated
1:
NT$202.55
9,123 庫存量
Mouser 元件編號
700-MAX3221CAET
Analog Devices / Maxim Integrated
RS-232接口IC 1 A Supply-Current, True +3V to +5.5V RS
9,123 庫存量
備用包裝
1
NT$202.55
10
NT$154.51
25
NT$142.68
100
NT$129.42
250
檢視
2,000
NT$115.08
250
NT$123.68
500
NT$121.53
1,000
NT$120.81
2,000
NT$115.08
購買
最少: 1
倍數: 1
捲 :
2,000
詳細資料
SSOP-16
MAX3221
Transceiver
235 kb/s
1 Driver
1 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
0 C
+ 70 C
Without ESD Protection
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
+2 張圖片
MAX3221ECAE+
Analog Devices / Maxim Integrated
1:
NT$254.18
6,558 庫存量
Mouser 元件編號
700-MAX3221ECAE
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
6,558 庫存量
備用包裝
1
NT$254.18
10
NT$195.38
25
NT$181.76
76
NT$162.40
228
檢視
228
NT$155.59
532
NT$151.65
1,064
NT$148.78
2,508
NT$146.27
5,016
報價
購買
最少: 1
倍數: 1
詳細資料
SSOP-16
MAX3221E
Transceiver
250 kb/s
1 Driver
1 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
0 C
+ 70 C
15 kV
Tube
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
+1 圖片
MAX3221EEUE+T
Analog Devices / Maxim Integrated
1:
NT$358.50
4,495 庫存量
Mouser 元件編號
700-MAX3221EEUET
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
4,495 庫存量
備用包裝
1
NT$358.50
10
NT$279.27
25
NT$254.54
100
NT$237.69
250
檢視
2,500
NT$186.42
250
NT$226.57
500
NT$225.50
1,000
NT$219.04
2,500
NT$186.42
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
TSSOP-16
MAX3221E
Transceiver
120 kb/s
1 Driver
1 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, 1 A, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
MAX3227EETE+
Analog Devices / Maxim Integrated
1:
NT$365.67
3,724 庫存量
Mouser 元件編號
700-MAX3227EETE
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
3,724 庫存量
備用包裝
1
NT$365.67
10
NT$285.37
25
NT$260.63
120
NT$240.55
300
檢視
300
NT$230.52
540
NT$225.50
1,020
NT$220.48
5,040
報價
購買
最少: 1
倍數: 1
詳細資料
TQFN-EP-16
MAX3227E
Transceiver
1 Mb/s
1 Driver
1 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Tube
RS-232接口IC 15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications
+5 張圖片
MAX3322EEUP+T
Analog Devices / Maxim Integrated
1:
NT$513.37
2,071 庫存量
Mouser 元件編號
700-MAX3322EEUPT
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, RS-232 Transceivers for Multidrop Applications
2,071 庫存量
備用包裝
1
NT$513.37
10
NT$405.11
25
NT$378.22
100
NT$348.46
250
檢視
2,500
NT$306.52
250
NT$348.10
500
NT$336.63
1,000
NT$332.33
2,500
NT$306.52
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
TSSOP-20
MAX3322E
Transceiver
250 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 1x-Bus RS485/RS232 Multiprotocol Tran w/
LTC2873IUFD#TRPBF
Analog Devices
1:
NT$563.56
3,095 庫存量
Mouser 元件編號
584-LTC2873IUFDTRPBF
Analog Devices
RS-232接口IC 1x-Bus RS485/RS232 Multiprotocol Tran w/
3,095 庫存量
備用包裝
1
NT$563.56
10
NT$445.97
25
NT$416.58
100
NT$385.39
500
檢視
2,500
NT$343.44
500
NT$378.22
1,000
NT$373.92
2,500
NT$343.44
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
QFN-24
LTC2873
Transceiver
20 Mb/s
1 Driver
1 Receiver
Half Duplex
5.5 V
3 V
SMD/SMT
4 mA
- 40 C
+ 85 C
26 kV
Reel, Cut Tape, MouseReel
RS-232接口IC +5V-Powered, Multichannel RS-232 Drivers
+1 圖片
MAX238CWG+T
Analog Devices / Maxim Integrated
1:
NT$311.18
3,304 庫存量
Mouser 元件編號
700-MAX238CWGT
Analog Devices / Maxim Integrated
RS-232接口IC +5V-Powered, Multichannel RS-232 Drivers
3,304 庫存量
備用包裝
1
NT$311.18
10
NT$241.27
25
NT$223.70
100
NT$204.70
1,000
NT$174.23
2,000
檢視
250
NT$195.74
500
NT$190.36
2,000
NT$173.51
5,000
報價
購買
最少: 1
倍數: 1
捲 :
1,000
詳細資料
SOIC-24
MAX238
Transceiver
120 kb/s
4 Driver
4 Receiver
Full Duplex
5 V
5 V
SMD/SMT
15 mA
0 C
+ 70 C
Without ESD Protection
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, 1 A, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
+2 張圖片
MAX3225EEAP+
Analog Devices / Maxim Integrated
1:
NT$428.77
2,536 庫存量
Mouser 元件編號
700-MAX3225EEAP
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
2,536 庫存量
備用包裝
1
NT$428.77
10
NT$353.12
25
NT$316.91
100
NT$310.10
264
檢視
264
NT$305.80
528
NT$301.14
1,056
NT$296.84
2,508
報價
購買
最少: 1
倍數: 1
詳細資料
SSOP-20
MAX3225E
Transceiver
1 Mb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Tube
RS-232接口IC 1x 5V RS232/RS485 Multiprotocol Tran
LTC1387CG#PBF
Analog Devices
1:
NT$556.75
8,603 庫存量
Mouser 元件編號
584-LTC1387CG#PBF
Analog Devices
RS-232接口IC 1x 5V RS232/RS485 Multiprotocol Tran
8,603 庫存量
備用包裝
1
NT$556.75
10
NT$440.60
25
NT$387.90
100
NT$374.27
264
檢視
264
NT$363.16
528
NT$361.37
購買
最少: 1
倍數: 1
詳細資料
SSOP-20
LTC1387
Transceiver
150 kb/s
2 Driver
2 Receiver
Half/Full Duplex
5.5 V
4.5 V
SMD/SMT
7 mA
0 C
+ 70 C
Without ESD Protection
Tube
RS-232接口IC RS-232 Xceiver A 595 -TRS3386EIPW A 595- A 595-TRS3386EIPW
TRS3386EIPWR
Texas Instruments
1:
NT$182.48
8,185 庫存量
Mouser 元件編號
595-TRS3386EIPWR
Texas Instruments
RS-232接口IC RS-232 Xceiver A 595 -TRS3386EIPW A 595- A 595-TRS3386EIPW
8,185 庫存量
備用包裝
1
NT$182.48
10
NT$139.10
25
NT$127.98
100
NT$116.15
2,000
NT$103.97
4,000
檢視
250
NT$110.42
500
NT$107.19
1,000
NT$105.76
4,000
NT$103.61
購買
最少: 1
倍數: 1
捲 :
2,000
詳細資料
TSSOP-20
TRS3386E
Transceiver
250 kb/s
3 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, +5V, 1 A, Single RS-232 Transceiver with AutoShutdown
+2 張圖片
MAX221EEAE+T
Analog Devices / Maxim Integrated
1:
NT$309.39
4,207 庫存量
Mouser 元件編號
700-MAX221EEAET
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, +5V, 1 A, Single RS-232 Transceiver with AutoShutdown
4,207 庫存量
備用包裝
1
NT$309.39
10
NT$239.84
25
NT$222.63
100
NT$203.63
250
檢視
2,000
NT$169.57
250
NT$196.82
500
NT$193.59
1,000
NT$191.08
2,000
NT$169.57
4,000
報價
購買
最少: 1
倍數: 1
捲 :
2,000
詳細資料
SSOP-16
MAX221E
Transceiver
250 kb/s
1 Driver
1 Receiver
Full Duplex
5 V
5 V
SMD/SMT
10 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 3.0V to 5.5V, Low-Power, up to 1Mbps, Tr
+2 張圖片
MAX3222EAP+
Analog Devices / Maxim Integrated
1:
NT$357.78
4,597 庫存量
Mouser 元件編號
700-MAX3222EAP
Analog Devices / Maxim Integrated
RS-232接口IC 3.0V to 5.5V, Low-Power, up to 1Mbps, Tr
4,597 庫存量
備用包裝
1
NT$357.78
10
NT$278.91
25
NT$231.95
100
NT$220.84
264
檢視
264
NT$209.72
528
NT$207.57
1,056
NT$204.70
2,508
報價
購買
最少: 1
倍數: 1
詳細資料
SSOP-20
MAX3222
Transceiver
235 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
Without ESD Protection
Tube
RS-232接口IC 15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
+5 張圖片
MAX3222EEUP+T
Analog Devices / Maxim Integrated
1:
NT$445.26
5,433 庫存量
Mouser 元件編號
700-MAX3222EEUPT
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
5,433 庫存量
備用包裝
1
NT$445.26
10
NT$349.54
25
NT$325.88
100
NT$299.71
250
檢視
2,500
NT$272.10
250
NT$297.56
500
NT$279.99
2,500
NT$272.10
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
TSSOP-20
MAX3222E
Transceiver
250 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 3.0V to 5.5V, Low-Power, up to 1Mbps, Tr
MAX3222EWN+
Analog Devices / Maxim Integrated
1:
NT$357.78
4,772 庫存量
Mouser 元件編號
700-MAX3222EWN
Analog Devices / Maxim Integrated
RS-232接口IC 3.0V to 5.5V, Low-Power, up to 1Mbps, Tr
4,772 庫存量
備用包裝
1
NT$357.78
10
NT$278.91
25
NT$249.16
120
NT$234.82
280
檢視
280
NT$225.50
520
NT$220.48
1,000
NT$218.33
2,520
報價
購買
最少: 1
倍數: 1
詳細資料
SO-Wide-18
MAX3222
Transceiver
235 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
Without ESD Protection
Tube
RS-232接口IC 1 A Supply-Current, True +3V to +5.5V RS
+5 張圖片
MAX3223CUP+T
Analog Devices / Maxim Integrated
1:
NT$300.42
4,374 庫存量
Mouser 元件編號
700-MAX3223CUPT
Analog Devices / Maxim Integrated
RS-232接口IC 1 A Supply-Current, True +3V to +5.5V RS
4,374 庫存量
備用包裝
1
NT$300.42
10
NT$232.67
25
NT$215.82
100
NT$197.18
250
檢視
2,500
NT$168.50
250
NT$188.57
500
NT$183.19
1,000
NT$178.17
2,500
NT$168.50
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
TSSOP-20
MAX3223
Transceiver
120 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
0 C
+ 70 C
Without ESD Protection
Reel, Cut Tape, MouseReel
RS-232接口IC 15 kV ESD Protected, 3.3 V Single-Channel RS-232 Line Driver/Receiver
ADM3101EARQZ-REEL
Analog Devices
1:
NT$122.97
8,781 庫存量
Mouser 元件編號
584-ADM3101EARQZ-R
Analog Devices
RS-232接口IC 15 kV ESD Protected, 3.3 V Single-Channel RS-232 Line Driver/Receiver
8,781 庫存量
備用包裝
1
NT$122.97
10
NT$92.49
25
NT$84.96
100
NT$76.36
2,500
NT$67.04
5,000
檢視
250
NT$72.42
500
NT$71.34
1,000
NT$70.62
5,000
NT$65.96
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
QSOP-16
ADM3101E
Transceiver
460 kb/s
1 Driver
1 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
5 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 3.3V L Pwr EIA/TIA562 Tran
LTC1386CS#TRPBF
Analog Devices
1:
NT$364.24
11,895 庫存量
Mouser 元件編號
584-LTC1386CS#TRPBF
Analog Devices
RS-232接口IC 3.3V L Pwr EIA/TIA562 Tran
11,895 庫存量
備用包裝
1
NT$364.24
10
NT$302.22
25
NT$284.29
100
NT$267.44
250
檢視
2,500
NT$244.14
250
NT$265.29
500
NT$263.50
1,000
NT$261.71
2,500
NT$244.14
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
SOIC-16
LTC1386
Transceiver
120 kb/s
2 Driver
2 Receiver
Full Duplex
3.6 V
3 V
SMD/SMT
200 uA
0 C
+ 70 C
10 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 3-5.5V 2 Ch 1 Mbit L ine Driver/Receiver A 595-SN65C3232EDW
SN65C3232EDWR
Texas Instruments
1:
NT$147.70
5,956 庫存量
Mouser 元件編號
595-SN65C3232EDWR
Texas Instruments
RS-232接口IC 3-5.5V 2 Ch 1 Mbit L ine Driver/Receiver A 595-SN65C3232EDW
5,956 庫存量
備用包裝
1
NT$147.70
10
NT$111.49
25
NT$102.53
100
NT$92.85
250
檢視
2,000
NT$84.25
250
NT$87.83
500
NT$85.68
1,000
NT$84.61
2,000
NT$84.25
購買
最少: 1
倍數: 1
捲 :
2,000
詳細資料
SOIC-16
SN65C3232E
Transceiver
1 Mb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, +5V RS-232 Transceivers
MAX202ECSE+T
Analog Devices / Maxim Integrated
1:
NT$300.42
3,114 庫存量
Mouser 元件編號
700-MAX202ECSET
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, +5V RS-232 Transceivers
3,114 庫存量
備用包裝
1
NT$300.42
10
NT$232.67
25
NT$215.82
100
NT$197.18
250
檢視
2,500
NT$172.80
250
NT$192.16
500
NT$191.44
1,000
NT$190.36
2,500
NT$172.80
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
SO-Narrow-16
MAX202E
Transceiver
120 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
4.5 V
SMD/SMT
15 mA
0 C
+ 70 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
+2 張圖片
MAX3222EEAP+T
Analog Devices / Maxim Integrated
1:
NT$463.90
2,717 庫存量
Mouser 元件編號
700-MAX3222EEAPT
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
2,717 庫存量
備用包裝
1
NT$463.90
10
NT$364.59
25
NT$339.86
100
NT$312.61
250
檢視
2,000
NT$267.08
250
NT$309.74
500
NT$292.89
1,000
NT$286.44
2,000
NT$267.08
購買
最少: 1
倍數: 1
捲 :
2,000
詳細資料
SSOP-20
MAX3222E
Transceiver
120 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
MAX3223EETP+
Analog Devices / Maxim Integrated
1:
NT$481.82
2,488 庫存量
Mouser 元件編號
700-MAX3223EETP
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
2,488 庫存量
備用包裝
1
NT$481.82
10
NT$378.93
25
NT$323.37
120
NT$299.35
300
檢視
300
NT$297.91
540
NT$288.23
1,020
NT$285.72
5,040
報價
購買
最少: 1
倍數: 1
詳細資料
TQFN-EP-20
MAX3223E
Transceiver
250 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Tube
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
+5 張圖片
MAX3223EEUP+T
Analog Devices / Maxim Integrated
1:
NT$486.84
1,981 庫存量
Mouser 元件編號
700-MAX3223EEUPT
Analog Devices / Maxim Integrated
RS-232接口IC 15kV ESD-Protected, 1 A, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
1,981 庫存量
備用包裝
1
NT$486.84
10
NT$383.60
25
NT$357.78
100
NT$329.10
250
檢視
2,500
NT$292.18
250
NT$328.03
500
NT$322.29
1,000
NT$318.71
2,500
NT$292.18
購買
最少: 1
倍數: 1
捲 :
2,500
詳細資料
TSSOP-20
MAX3223E
Transceiver
120 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
1 mA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 15kV ESD, +2.7V TO 3.6V S/P TRANS I.C.
ADM3312EARUZ-REEL7
Analog Devices
1:
NT$221.91
24,025 庫存量
600 在途量
Mouser 元件編號
584-ADM3312EARUZR7
Analog Devices
RS-232接口IC 15kV ESD, +2.7V TO 3.6V S/P TRANS I.C.
24,025 庫存量
600 在途量
備用包裝
1
NT$221.91
10
NT$169.93
25
NT$157.38
100
NT$143.04
1,000
NT$133.36
2,000
檢視
250
NT$136.95
500
NT$134.80
2,000
NT$130.49
購買
最少: 1
倍數: 1
捲 :
1,000
詳細資料
TSSOP-24
ADM3312E
Transceiver
460 kb/s
3 Driver
3 Receiver
Full Duplex
3.6 V
2.7 V
SMD/SMT
1 uA
- 40 C
+ 85 C
15 kV
Reel, Cut Tape, MouseReel
RS-232接口IC 50V Isolated, 3.0V to 5.5V, 250kbps, 2 Tx/2 Rx, RS-232 Transceiver
MAX3250EAI+
Analog Devices / Maxim Integrated
1:
NT$617.34
8,478 庫存量
Mouser 元件編號
700-MAX3250EAI
Analog Devices / Maxim Integrated
RS-232接口IC 50V Isolated, 3.0V to 5.5V, 250kbps, 2 Tx/2 Rx, RS-232 Transceiver
8,478 庫存量
備用包裝
1
NT$617.34
10
NT$490.07
25
NT$441.31
92
NT$416.58
276
檢視
276
NT$404.03
506
NT$396.14
2,530
報價
購買
最少: 1
倍數: 1
詳細資料
SSOP-28
MAX3250
Transceiver
250 kb/s
2 Driver
2 Receiver
Full Duplex
5.5 V
3 V
SMD/SMT
35 mA
- 40 C
+ 85 C
Without ESD Protection
Tube