
For Reference Only
Part Number | ECS-40-20-4 |
OEMstron Part # | ECS-40-20-4 |
Manufacturer | ECS |
Category | Passive Components › Crystals, Oscillators, Resonators › Crystals |
Description | CRYSTAL 4.0000MHZ 20PF T/H |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | ECS-40-20-4 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 26 - Mar 31 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
ECS-40-20-4 Specifications
Part Number | ECS-40-20-4 | |
Brand | ECS | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Passive Components | |
Category | Crystals, Oscillators, Resonators | |
Subcategory | Crystals | |
Manufacturer | ECS | |
Series | HC-49US | |
Type | MHz Crystal | |
Frequency | 4MHz | |
Frequency Stability | ±50ppm | |
Frequency Tolerance | ±30ppm | |
Load Capacitance | 20pF | |
ESR (Equivalent Series Resistance) | 150 Ohms | |
Operating Mode | Fundamental | |
Operating Temperature | -10°C ~ 70°C | |
Ratings | - | |
Mounting Type | Through Hole | |
Package / Case | HC-49/US | |
Size / Dimension | 0.447" L x 0.183" W (11.35mm x 4.65mm) | |
Height - Seated (Max) | 0.138" (3.50mm) |
ECS-40-20-4 Documents

Industry Leaders in Quality
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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
ECS-40-20-4VX D# V99:2348_19875090 ECS International Inc |
Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USSX Thru-Hole Bulk RoHS: Compliant
|
Americas - 0 |
ECS-40-20-4XDN D# V99:2348_17722240 ECS International Inc |
Crystal 4MHz ±30ppm (Tol) ±100ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk RoHS: Compliant
|
Americas - 0 |
ECS-40-20-4X D# V99:2348_17722571 ECS International Inc |
Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk RoHS: Compliant
|
Americas - 2070 |
Part Number | Description | Stock |
ECS-40-20-4XDN D# ECS-40-20-4XDN ECS International Inc |
Crystal 4MHz 20pF 2-Pin HC-49/US - Bulk (Alt: ECS-40-20-4XDN) |
Americas - 0 |
ECS-40-20-4VX D# ECS-40-20-4VX ECS International Inc |
4.000 MHZ 20PF HC-49USSX 30/50 PPM -10 TO +70C 2.1MM H ROH - Bulk (Alt: ECS-40-20-4VX) RoHS: Compliant
|
Americas - 0 |
ECS-40-20-4X D# ECS-40-20-4X ECS International Inc |
Crystal 4MHz 20pF 2-Pin HC-49/U - Bulk (Alt: ECS-40-20-4X) RoHS: Compliant
|
Americas - 0 |
Part Number | Description | Stock |
ECS-40-20-4 ECS International Inc |
Crystals 4MHz 20pF |
10445 |
ECS-40-20-4XDN ECS International Inc |
Crystals 4MHz 20pF EX/TEMP HC-49US |
2363 |
ECS-40-20-4DN ECS International Inc |
CRYSTAL 4MHZ 20PF THRU |
812 |
ECS-40-20-4X ECS International Inc |
Crystals 4MHz 20pF |
10445 |
ECS-40-20-4VX ECS International Inc |
CRYSTAL 4MHZ 20PF THRU |
517 |
ECS-40-20-4V ECS International Inc |
CRYSTAL 4MHZ 20PF THRU |
517 |
Part Number | Description | Stock |
ECS-40-20-4DN D# X186-ND ECS International Inc |
CRYSTAL 4.0000MHZ 20PF TH |
489 In Stock |
ECS-40-20-4 D# X405-ND ECS International Inc |
CRYSTAL 4.0000MHZ 20PF TH |
3990 In Stock |
ECS-40-20-4XDN D# X1112-ND ECS International Inc |
CRYSTAL 4.0000MHZ 20PF TH |
Temporarily Out of Stock |
ECS-40-20-4X D# X1045-ND ECS International Inc |
CRYSTAL 4.0000MHZ 20PF TH |
9618 In Stock |
ECS-40-20-4VX D# XC1570-ND ECS International Inc |
CRYSTAL 4.0000MHZ 20PF TH |
456 In Stock |
Part Number | Description | Stock |
ECS-40-20-4 D# ECS-40-20-4 ECS |
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 |
39 |
Part Number | Description | Stock |
ECS-40-20-4XDN ECS International Inc |
HC-49USX-DN Series 4.000Mhz 100ppm 20pF -40°C ~ 85°C 11.35mm x 4.65mm Crystal RoHS: Compliant
pbFree: Yes
|
0 Tube |
ECS-40-20-4X ECS International Inc |
HC-49USX Series 40 MHz ±30 ppm 20 pF -10 to +70°C Through Hole Quartz Crystal RoHS: Compliant
pbFree: Yes
|
0 Bulk |
ECS-40-20-4VX ECS International Inc |
RoHS: Compliant
pbFree: Yes
|
0 Bulk |
Part Number | Description | Stock |
ECS-40-20-4X ECS |
OEM/CM Immediate delivery |
1600 |
Part Number | Description | Stock |
ECS-40-20-4X D# 520-HCU400-20X ECS International Inc |
Crystals 4MHz 20pF RoHS: Compliant
|
1592 |
ECS-40-20-4X-DN-TR D# 520-ECS-40-20-4XDN-T ECS International Inc |
Crystals 4MHz 20pF -40C +85C RoHS: Compliant
|
953 |
ECS-40-20-4VX D# 520-ECS-40-20-4VX ECS International Inc |
Crystals 4.000Mhz 30ppm 20pF RoHS: Compliant
|
980 |
ECS-40-20-4XDN D# 520-HCU400-20DNX ECS International Inc |
Crystals 4MHz 20pF EX/TEMP HC-49US RoHS: Compliant
|
957 |
Part Number | Description | Stock |
ECS-40-20-4DN D# NS-ECS-40-20-4DN ECS Inc |
OEM/CM ONLY |
2622 |
ECS-40-20-4XDN D# NS-ECS-40-20-4XDN ECS Inc |
OEM/CM ONLY |
12832 |
ECS-40-20-4X D# NS-ECS-40-20-4X ECS Inc |
OEM/CM ONLY |
6101 |
ECS-40-20-4VX D# NS-ECS-40-20-4VX ECS Inc |
OEM/CM ONLY |
5661 |
ECS-40-20-4 D# NS-ECS-40-20-4 ECS Inc |
OEM/CM ONLY |
5606 |
Part Number | Description | Stock |
ECS-40-20-4 ECS International Inc |
CRYSTAL,4.000MHZ,20PF,HC-49/US |
592 |
ECS-40-20-4X ECS International Inc |
CRYSTAL, 4 MHZ, 20PF, HC-49/US |
91 |
ECS-40-20-4DN ECS International Inc |
CRYSTAL, 4 MHZ, 20PF, HC-49/US, EX/TEMP |
500 |
Part Number | Description | Stock |
ECS40204.00MHZ ECS International Inc |
OEM/CM ONLY |
166 |
ECS40204.000MHZ |
OEM/CM ONLY |
116 |
ECS40204X ECS International Inc |
OEM/CM ONLY |
235 |
ECS40204DN ECS International Inc |
OEM/CM ONLY |
626 |
ECS40204VX ECS International Inc |
OEM/CM ONLY |
551 |
ECS40204XDN ECS International Inc |
OEM/CM ONLY |
2378 |
ECS40204 ECS International Inc |
OEM/CM ONLY |
2094 |
Part Number | Description | Stock |
ECS-40-20-4X ECS |
IN stock Immediate delivery |
1615 |
Part Number | Description | Stock |
ECS-40-20-4 D# 2039001618 ECS |
ECS-40-20-4 ECS Oscillator 4MHz crystal |
198 |
Part Number | Description | Stock |
ECS-40-20-4X ECS |
shipping today |
1599 |
Part Number | Description | Stock |
ECS-40-20-4VX D# 32919123 ECS |
Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USSX Thru-Hole Bulk RoHS: Compliant
|
Americas - 400 |
ECS-40-20-4X D# 36739425 ECS |
Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk RoHS: Compliant
|
Americas - 2070 |
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Quick Inquiry
In Stock | 7,089 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
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