B180A Search Results

B180A Price and Stock

Filter by Manufacturer


Bourns Inc P6SMB180A TVS DIODE 154VWM 246VC DO214AA
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	P6SMB180A	Digi-Reel	28,743		1	1 $0.3 10 $0.224 100 $0.3 1000 $0.09 10000 $0.09	Buy Now
	P6SMB180A	Cut Tape	28,743		1	1 $0.3 10 $0.224 100 $0.3 1000 $0.09 10000 $0.09	Buy Now
	P6SMB180A	Reel	24,000		3,000	1 - 10 - 100 - 1000 - 10000 $0.0775	Buy Now
Avnet Americas	P6SMB180A	Reel		16 Weeks	12,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Mouser Electronics	P6SMB180A		5,693			1 $0.34 10 $0.237 100 $0.153 1000 $0.102 10000 $0.077	Buy Now
Newark	P6SMB180A	Bulk			12,000	1 - 10 - 100 - 1000 - 10000 $0.09	Buy Now
TTI	P6SMB180A	Reel			12,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now

Avnet Abacus	P6SMB180A	Reel		19 Weeks	12,000	1 - 10 - 100 - 1000 - 10000 -	Buy Now
Master Electronics	P6SMB180A					1 - 10 - 100 - 1000 - 10000 $0.0899	Buy Now
Vishay Semiconductors P6SMB180AHM3_A-H TVS DIODE 154VWM 246VC DO214AA
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	P6SMB180AHM3_A-H	Digi-Reel	6,540		1	1 $0.79 10 $0.49 100 $0.79 1000 $0.79 10000 $0.79	Buy Now
	P6SMB180AHM3_A-H	Cut Tape	6,540		1	1 $0.79 10 $0.49 100 $0.79 1000 $0.79 10000 $0.79	Buy Now
	P6SMB180AHM3_A-H	Reel	6,000		750	1 - 10 - 100 - 1000 $0.22685 10000 $0.16674	Buy Now
Eaton Bussmann P6SMB180A TVS DIODE 154VWM 246VC SMB
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	P6SMB180A	Reel	6,000		3,000	1 - 10 - 100 - 1000 - 10000 $0.11489	Buy Now
	P6SMB180A	Cut Tape	6,000		1	1 $0.42 10 $0.281 100 $0.42 1000 $0.134 10000 $0.134	Buy Now
	P6SMB180A	Digi-Reel	6,000		1	1 $0.42 10 $0.281 100 $0.42 1000 $0.134 10000 $0.134	Buy Now
Newark	P6SMB180A	Reel			6,000	1 - 10 - 100 - 1000 - 10000 $0.15	Buy Now
Sager	P6SMB180A				3,000	1 - 10 - 100 - 1000 - 10000 $0.0964	Buy Now
Vishay Semiconductors P6SMB180A-E3-52 TVS DIODE 154VWM 246VC DO214AA
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	P6SMB180A-E3-52	Cut Tape	4,636		1	1 $0.35 10 $0.236 100 $0.35 1000 $0.35 10000 $0.35	Buy Now
	P6SMB180A-E3-52	Digi-Reel	4,636		1	1 $0.35 10 $0.236 100 $0.35 1000 $0.35 10000 $0.35	Buy Now
	P6SMB180A-E3-52	Reel	4,500		750	1 - 10 - 100 - 1000 $0.11593 10000 $0.0854	Buy Now
Littelfuse Inc P6SMB180A TVS DIODE 154VWM 246VC DO214AA
Distributors	Part	Package	Stock	Lead Time	Min Order Qty	Price	Buy
DigiKey	P6SMB180A	Cut Tape	2,835		1	1 $0.38 10 $0.256 100 $0.38 1000 $0.122 10000 $0.122	Buy Now
	P6SMB180A	Digi-Reel	2,835		1	1 $0.38 10 $0.256 100 $0.38 1000 $0.122 10000 $0.122	Buy Now
Mouser Electronics	P6SMB180A		2,841			1 $0.38 10 $0.256 100 $0.173 1000 $0.122 10000 $0.114	Buy Now
Newark	P6SMB180A	Cut Tape	920		5	1 $0.372 10 $0.285 100 $0.228 1000 $0.228 10000 $0.228	Buy Now
	P6SMB180A	Reel			3,000	1 $0.194 10 $0.194 100 $0.194 1000 $0.194 10000 $0.16	Buy Now
RS	P6SMB180A	Bulk			3,000	1 - 10 - 100 - 1000 - 10000 $0.29	Get Quote
Bristol Electronics	P6SMB180A		350		17	1 - 10 - 100 $0.15 1000 $0.09 10000 $0.09	Buy Now

TME	P6SMB180A		2,517		1	1 $0.865 10 $0.386 100 $0.205 1000 $0.157 10000 $0.157	Buy Now
ComSIT USA	P6SMB180A		3,000			1 - 10 - 100 - 1000 - 10000 -	Get Quote
New Advantage Corporation	P6SMB180A		198,000		1	1 - 10 - 100 - 1000 - 10000 $0.0699	Buy Now
Ozdisan Elektronik	P6SMB180A					1 - 10 $0.24702 100 $0.24702 1000 $0.24702 10000 $0.2148	Get Quote

Find more B180A price and stock on Findchips.com

B180A Datasheets (1)

Part	ECAD Model	Manufacturer	Description	Curated	Datasheet Type	PDF
B180AE-13		Diodes	Discrete Semiconductor Products - Diodes - Rectifiers - Single - DIODE SCHOTTKY 80V 1A SMA		Original	PDF

B180A Datasheets Context Search

Catalog Datasheet	MFG & Type	PDF	Document Tags
micro switch on-off Abstract: micro switch B180F B180E B180A B180P on-off switch ROLLER spdt datasheet B180D Text: Micro Switches FEATURES CHARACTERISTICS CIRCUITRY RATING CONTACT OPERATING CHARACTERISTICS B180A B180K MICRO SWITCH (SPST) ON-OFF MICRO SWITCH (SPDT) ON-ON B180B B180L MICRO SWITCH (SPST) ON-OFF MICRO SWITCH (SPDT) ON-ON B180D B180M MICRO SWITCH (SPDT) ON-ON	Original	PDF	B180A B180K B180B B180L B180D B180M B180E B180N B180F B180P micro switch on-off micro switch B180F B180E B180A B180P on-off switch ROLLER spdt datasheet B180D
cn/A/U 237 BG Abstract: No abstract text available Text: www.avx.com AVX RF Microwave Products Version 15.1 AVX Microwave Ask The World Of Us As one of the world’s broadest line multilayer ceramic chip capacitor suppliers, and a major Thin Film RF/Microwave capacitor, inductor, directional coupler and low pass filter and	Original	PDF	S-RFMTF0M115-C cn/A/U 237 BG
MX 0541 Abstract: TB 2929 Ho BT 3758 equivalent MIL-PRF-28861 k 3638 Alternatives klystron weapon STC 07256 Klystron tube Bt 2313 K 4005 Text: AVX Military Products Military Products AVX Military Qualified Products Listing Table of Contents Multilayer Ceramic Leaded Capacitors – Military Cross Reference . . . . . . . . . . . . . . . . 3-31 MIL-PRF-39014 M, P, R and S Failure Rate Level /01, /02, /05, /20, /21, /23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4	Original	PDF	MIL-PRF-39014 MIL-PRF-11015 S-MPC12 5M1198-N MX 0541 TB 2929 Ho BT 3758 equivalent MIL-PRF-28861 k 3638 Alternatives klystron weapon STC 07256 Klystron tube Bt 2313 K 4005
SMD CAPACITORS 107E Abstract: CDR11BP hewlett packard semiconductor cross reference smd code marking 561B 6647a SMD transistor 431a TRANSISTOR B560 uhf wireless mic circuits CDR11BP datasheet lambda IC 101 Text: A KYOCERA GROUP COMPANY AVX RF Microwave/Thin-Film Products AVX Microwave Ask The World Of Us As one of the world’s broadest line multilayer ceramic chip capacitor suppliers, and a major microwave ceramic capacitor manufacturer, it is our mission to provide First In Class Technology,	Original	PDF	QV2000 S-RFMTF17M898-N SMD CAPACITORS 107E CDR11BP hewlett packard semiconductor cross reference smd code marking 561B 6647a SMD transistor 431a TRANSISTOR B560 uhf wireless mic circuits CDR11BP datasheet lambda IC 101
B680 Abstract: B910 Text: Microwave MLC’s CDR Series — MIL-PRF-55681E RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681E L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681E Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T)	Original	PDF	MIL-PRF-55681E CDR11/12 CDR13/14 AVX/MIL-PRF-55681E MIL-C-55681 CDR11 CDR12 CDR13 CDR14 B680 B910
MIL-PRF-55681 CDR Abstract: No abstract text available Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 MIL-PRF-55681 CDR
4r7a Abstract: No abstract text available Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 4r7a
B-152A Abstract: B561B B152A Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 B-152A B561B B152A
TRANSISTOR SMD MARKING CODE ag4 Abstract: 6647a srf 1714 47056 smd Transistor gl 1117 B 1155 lga socket 0402LGA 7082 BEL 1895 CDR11BP Text: A KYOCERA GROUP COMPANY AVX RF Microwave/Thin-Film Products AVX Microwave Ask The World Of Us As one of the world’s broadest line multilayer ceramic chip capacitor suppliers, and a major Thin Film RF/Microwave capacitor, inductor, directional coupler and low pass filter and	Original	PDF	S-RFMTF15M1203-C TRANSISTOR SMD MARKING CODE ag4 6647a srf 1714 47056 smd Transistor gl 1117 B 1155 lga socket 0402LGA 7082 BEL 1895 CDR11BP
Untitled Abstract: No abstract text available Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14
B512A Abstract: 681a b560 0R8A B910 B331 5r1a 1R2A b621a B750A Text: Microwave MLC’s CDR Series — MIL-PRF-55681E RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681E L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681E Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T)	Original	PDF	MIL-PRF-55681E CDR11/12 CDR13/14 AVX/MIL-PRF-55681E MIL-C-55681 CDR11 CDR12 CDR13 CDR14 B512A 681a b560 0R8A B910 B331 5r1a 1R2A b621a B750A
B621A Abstract: B750A B561B B561A b471a b110a B301A B751A B472A b560a Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 B621A B750A B561B B561A b471a b110a B301A B751A B472A b560a
1R0A Abstract: 4r7a CDR1 0R2A Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 1R0A 4r7a CDR1 0R2A
CDR12 Abstract: dj11ad 1R5a CDR11 transistor 431A DATASHEET MIL-C-55681 B 621A b621a B4R3 B0R6 Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 CDR12 dj11ad 1R5a CDR11 transistor 431A DATASHEET MIL-C-55681 B 621A b621a B4R3 B0R6

cdr14bg101 Abstract: No abstract text available Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 cdr14bg101
8r210 Abstract: srf 1714 L0402 1R5a 47056 CDR11BP gps 5350 Keithley 136 l0805 lga 1155 Text: www.avx.com AVX RF Microwave Products Version 8.1 AVX Microwave Ask The World Of Us As one of the world’s broadest line multilayer ceramic chip capacitor suppliers, and a major Thin Film RF/Microwave capacitor, inductor, directional coupler and low pass filter and	Original	PDF	S-RFMTF70M1109-C 8r210 srf 1714 L0402 1R5a 47056 CDR11BP gps 5350 Keithley 136 l0805 lga 1155
K 4005 Abstract: MX 0541 3652 substitution klystron weapon TB 2929 H alternative 8526 1348 TB 2929 Ho Bt 2313 military capacitor codes MIL-PRF-123/01 Text: AVX Military Products Military Products AVX Military Qualified Products Listing Table of Contents Multilayer Ceramic Leaded Capacitors – Military Cross Reference . . . . . . . . . . . . . . . . 3-31 MIL-PRF-39014 M, P, R and S Failure Rate Level /01, /02, /05, /20, /21, /23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4	Original	PDF	MIL-PRF-39014 MIL-PRF-11015 S-MPC12 5M1198-N K 4005 MX 0541 3652 substitution klystron weapon TB 2929 H alternative 8526 1348 TB 2929 Ho Bt 2313 military capacitor codes MIL-PRF-123/01
1R5a Abstract: 1R2A CDR12 transistor 431A DATASHEET CDR11 MIL-C-55681 MIL-PRF-55681 CDR 200 BP b471a Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 1R5a 1R2A CDR12 transistor 431A DATASHEET CDR11 MIL-C-55681 MIL-PRF-55681 CDR 200 BP b471a
1R5a Abstract: CDR12 transistor 431A DATASHEET CDR11 MIL-C-55681 B750A CDR13 3r0a Text: Microwave MLC’s CDR Series — MIL-PRF-55681 RF/Microwave Chips MILITARY DESIGNATION PER MIL-PRF-55681 L W L W A 0J 47 T 0J 10 T bw bw CDR11/12 CDR13/14 CROSS REFERENCE: AVX/MIL-PRF-55681 Per MIL-C-55681 AVX Style Length (L) Width (W) Thickness (T) Max	Original	PDF	MIL-PRF-55681 CDR11/12 CDR13/14 AVX/MIL-PRF-55681 MIL-C-55681 CDR11 CDR12 CDR13 CDR14 1R5a CDR12 transistor 431A DATASHEET CDR11 MIL-C-55681 B750A CDR13 3r0a
A5C 104K Abstract: ESA/SCC 3901 MIL-PRF-28861 hr 821K 3kv ceramic capacitor ckr06 ceramic capacitor marx generator BT 2258 diode cc 3053 SM 686 16V cc 3053 Text: A KYOCERA GROUP COMPANY AVX Military Products Military Products AVX Military Qualified Products Listing Table of Contents Multilayer Ceramic Leaded Capacitors – Military Cross Reference. . . . . . . . . . . . . . . . . 3-31 MIL-PRF-39014 M, P, R and S Failure Rate Level	Original	PDF	MIL-PRF-39014 MIL-PRF-11015 MIL-PRF-20 S-MIL00M503-N A5C 104K ESA/SCC 3901 MIL-PRF-28861 hr 821K 3kv ceramic capacitor ckr06 ceramic capacitor marx generator BT 2258 diode cc 3053 SM 686 16V cc 3053
Piezoelectric aw 1202 Abstract: srf 2325 code coils smd 6r8 ITF 2043 073 L0402 Piezoelectric aw 1201 resistor 2512 3w 0.5m EIA-198 2512 Thin-film magnetic resistance LP0603 Text: www.avx.com AVX RF Microwave Products Version 11.1 AVX Microwave Ask The World Of Us As one of the world’s broadest line multilayer ceramic chip capacitor suppliers, and a major Thin Film RF/Microwave capacitor, inductor, directional coupler and low pass filter and	Original	PDF	S-RFMTF0M111-C Piezoelectric aw 1202 srf 2325 code coils smd 6r8 ITF 2043 073 L0402 Piezoelectric aw 1201 resistor 2512 3w 0.5m EIA-198 2512 Thin-film magnetic resistance LP0603
u574 Abstract: IC BL 176A IF cable 8D-FB COAXIAL CABLE 5D-2V b11g 105j 250v 2DLF MQ 303A B177D B176D Text: •W CONTEf S in c e 1978 s 1 Reg. No. Q8718 ISO -9001: 2000 - BT" É ? Jk 100MHz 300MHz * 400MHz P3 ~ P4 800MHz N ANTENNA 1 1» P6 144/430MHZ P7 ~ P10 TWO BAND P11 ~ P12 MIC ECHO AMP P13 I EARPHONE MIC P13 ANTENNA B A S E TRANSCEIVER A C C ESSO R IES P15 ~ P16	OCR Scan	PDF	Q8718 ISO-9001: 100MHz 300MHz 400MHz 800MHz 144/430MHZ u574 IC BL 176A IF cable 8D-FB COAXIAL CABLE 5D-2V b11g 105j 250v 2DLF MQ 303A B177D B176D
BZX 48c 6v8 Abstract: PT2369 code Cj5 CMXZ11VTO 7006S Text: M arking Codes Marking Code Part Number 04 04D 04A 04C 04S 040 1A 1A8 1AC 1B 1B8 1C8 1D8 1E 1E8 1F 1F8 1FF 1G 1G8 1H8 1J 1J8 1K 1K8 1L 1L8 1M8 1P 1PC 1QC 1RC 2AC 2B 2C 2C A 2F 2FC 2G 2 PC 2Q C 2P 3A 3AE 3B 3CE 3E 3F 3G 3J 3K 3L 3P 3SE 4A 4B 4C 4E 4F 4G 4P	OCR Scan	PDF	2004C 2004S 2004D Z5250B T3904 Z5251B Z5252B Z5253B Z5254B Z5255B BZX 48c 6v8 PT2369 code Cj5 CMXZ11VTO 7006S
MSC1621 Abstract: Sj85a MRF9331 MMFT6661 2SD601R TLP655G cr708A 8C807-16 2SD601 R MBR931 Text: Alphanumeric Index and Cross Reference T he following table represents a cross-reference guide for surface mount packages which are m anufactured by Motorola. W here the M otorola part num ber differs from the industry part number, the M otorola device is a “form, fit and function" replacem ent for the	OCR Scan	PDF	5SMC15AT3 5SMC16AT3 5SMC18AT3 5SMC20AT3 5SMC22AT3 5SMC24AT3 5SMC27AT3 5SMC30AT3 5SMC33AT3 5SMC36AT3 MSC1621 Sj85a MRF9331 MMFT6661 2SD601R TLP655G cr708A 8C807-16 2SD601 R MBR931

Privacy Settings

B180A Search Results

B180A Price and Stock

Bourns Inc P6SMB180A

Vishay Semiconductors P6SMB180AHM3_A-H

Eaton Bussmann P6SMB180A

Vishay Semiconductors P6SMB180A-E3-52

Littelfuse Inc P6SMB180A

B180A Datasheets (1)

B180A Datasheets Context Search

micro switch on-off

cn/A/U 237 BG

MX 0541

SMD CAPACITORS 107E

B680

MIL-PRF-55681 CDR

4r7a

B-152A

TRANSISTOR SMD MARKING CODE ag4

Untitled

B512A

B621A

1R0A

CDR12

cdr14bg101

8r210

K 4005

1R5a

1R5a

A5C 104K

Piezoelectric aw 1202

u574

BZX 48c 6v8

MSC1621