Product Information

7803SRH-C

7803SRH-C electronic component of Murata

Datasheet
Non-Isolated DC/DC Converters SW0.5A 7.5V-36Vto3.3V

Manufacturer: Murata
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 10.4974 ea
Line Total: USD 10.4974

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 100
Multiples : 1

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7803SRH-C
Murata

100 : USD 13.9875
250 : USD 13.8575
500 : USD 13.7275
1000 : USD 13.5962
2000 : USD 13.4662
2500 : USD 13.335
3000 : USD 13.2037
5000 : USD 13.0725
10000 : USD 12.9413

0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 1
Multiples : 1

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7803SRH-C
Murata

1 : USD 10.4974
5 : USD 10.0034
10 : USD 9.9263
25 : USD 9.7736
50 : USD 9.4681
100 : USD 8.5519
250 : USD 8.3992
500 : USD 8.2464

0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 2
Multiples : 1

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7803SRH-C
Murata

2 : USD 13.5949
5 : USD 13.0914
20 : USD 13.0914
50 : USD 12.5879
125 : USD 12.5879

0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 100
Multiples : 100

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7803SRH-C
Murata

100 : USD 18.8604

0 - Global Stock


Ships to you between Thu. 11 Apr to Mon. 15 Apr

MOQ : 1
Multiples : 1

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7803SRH-C
Murata

1 : USD 13.1445

0 - Global Stock


Ships to you between Fri. 05 Apr to Thu. 11 Apr

MOQ : 1
Multiples : 1

Stock Image

7803SRH-C
Murata

1 : USD 28.7073
10 : USD 25.8813
25 : USD 23.0908
50 : USD 22.629

     
Manufacturer
Product Category
RoHS - XON
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Output Power
Input Voltage Range
Number of Outputs
Output Voltage-Channel 1
Output Current-Channel 1
Output Type
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78xxSR Series www.murata-ps.com 3.3V/5V/12V Outputs High-Ef ciency Switching Regulators with LM78xx Pinouts Murata Power Solutions 7805SR-C (5V output), 7812SR-C (12V output) and 7803SR-C FEATURES (3.3V output) step-down switching regulators are modern drop-in replacements for older, 3.3V/0.5A, 5V/0.5A or 12V/0.4A outputs Pin and inef cient, LM7805 and LM7812 linear regulators. The 78XXSR s are pin- and size-compat- size-compatible with LM7805 & LM7812 regulators ible with industry-standard TO-220 SIP packages. A 260kHz switching frequency provides Up to 95% ef ciency no heat sinks or thermal for ef ciencies as high as 95%. Full-load (up to 0.5A) operation from 9V, 12V, 24V, or 36V derating required supplies at ambient temperatures up to +70C requires no heat sinks, no temperature derating, no forced-air cooling, and no external capacitors. Two SIP-packages t existing TO-220 footprints: 78SR switching regulators provide many signi cant improvements over their linear coun- - Vertical-pin models occupy less than 0.1 square in. terparts: lower quiescent current (3mA vs. 5 mA), higher input voltage (40V vs. 32V), and - Optional horizontal pins provide 0.350 in. installed better output accuracy (2% vs. 5%). All these features combine to make 78SR regulators height ideal for new or existing LM7805 & LM7812 applications requiring full-load operation at +7.5-36Vdc operating input range Low 3mA elevated voltages. quiescent current Built-in lter capacitors no external components TECHNICAL NOTES required 1. Input/Output (I/O) Filtering: As shown in the noise and ripple graphs, 78SR switching 40 to +70C operation at full load Short-circuit regulators exhibit excellent low-noise performance with no external I/O capacitors. protection However, if additional noise reduction is required, be sure to use low-ESR capacitors that are rated for continuous operation (with an additional 20% safety margin) at the Excellent load (0.2%) and line (0.3%) regulation highest system voltages and temperatures. Adding external output capacitors will also Ideal for powering instrumentation from improve the units load-transient response. 9V/12V/24V/28V supplies or batteries Applications in which 78SR regulators are located more than 24 inches (61cm) from Can be used with unregulated dc supplies the input power supply should include an external 47uF/50V (or greater) aluminum protection electrolytic capacitor, connected as close as possible to the regulators +Vin and GND terminals (pins 1 and 2). An external input capacitor is particularly important if the input voltage is applied to the regulator via a mechanical switch or relay. Contact bounce at turn-on can produce large inductive current-spikes, and these current spikes can generate damaging voltage transients at the regulators input terminals. 2. Input Fusing: 78SR switching regulators are not internally fused. If fusing their input and/or output terminals is required, use the data shown in the Ef ciency Curves as a Ordering Information guide to selecting an appropriate slow-blow fuse. 3. Input-Output Isolation: 78SR regulators internal input and output circuits share a MPS Part No. Output Output Input Voltage Current Voltage common connection (GND, pin 2) there is no electrical isolation between the INPUT (pin 1) and OUTPUT (pin 3) terminals. Standard Pin Package 4. Overvoltage Protection: 78SR switching regulators do not provide input or output 7803SR-C +3.3Vdc 0.5A +7.5-36Vdc overvoltage protection. In the extremely rare situation in which a catastrophic failure 7805SR-C +5.0Vdc 0.5A +7.5-36Vdc occurs, the output voltage may rise to excessively high levels. If your load must be 7812SR-C +12.0Vdc 0.4A +15-36Vdc protected against all possible overvoltage situations, external voltage-limiting circuitry Horizontal Pin Package must be provided. 7803SRH-C +3.3Vdc 0.5A +7.5-36Vdc 7805SRH-C +5.0Vdc 0.5A +7.5-36Vdc 5. Operation at 40Vdc: Operating with inputs up to 40Vdc is permissible if, for inputs 7812SRH-C +12.0Vdc 0.4A +15-36Vdc between 36 and 40Vdc, the maximum load current is reduced to 0.35A for 7805SR-C and 7803SR-C, and to 0.3A for 7812SR-C. Under no circumstances should the input voltage be allowed to exceed 45Vdc. For full details go to www.murata-ps.com/rohs www.murata-ps.com/support 30 Oct 2015 MDC 78xxSR Series.B07 Page 1 of 778xxSR Series 3.3V/5V/12V Outputs High-Ef ciency TECHNICAL NOTES (continued) Switching Regulators with LM78xx Pinouts 6. Soldering & Handling Precautions: All units are designed to be hand soldered to pc-boards using no-clean solders (+260C, 5 seconds max.). Water-soluble solders can also be used, but the units must be washed Performance/Functional Speci cations and dried using processes appropriate to the type of solder employed. Typical at TA = +25C See the Mechanical Speci cations section for pin 1 orientation and Input/Output recommended plated-through hole dimensions. Models 7803SR-C 7805SR-C 7812SR-C While 78SR regulators easily withstand a 2kV ESD discharge to any ter- minal (using human body model), they should always be treated as ESD Output Voltage +3.3Vdc +5.0Vdc +12.0Vdc sensitive devices. Rated Output Current 0.5A 0.5A 0.4A 7. Horizontal-Pin Models (78XXSRH-C): 78XXSRH-C switching regulators Output Voltage Accuracy 2% 2% 2% are pin-compatible replacements for TO-220 style LM78XX linear regula- Input Voltage Range +7.5-36Vdc +7.5-36Vdc +15-36Vdc tors that are installed with their metal tabs lying at on the surface of the Line Regulation (100% load) 0.3% 0.3% 0.3% pc-board. However, because the surface of inductor L1 on 78XXSRH-C Load Regulation (0-100% load) 0.2% 0.2% 0.2% models is electrically conductive, it must not be allowed to come in con- Quiescent Current 3mA typ., 5mA max. tact with any exposed pc-board traces, other than power ground (GND). Input Current See Performance Curves While the 2-mil-thick (0.05mm) polyester label attached to L1 provides Ef ciency See Performance Curves some degree of electrical insulation (only if L1 sits perfectly at on the Transient Response See Performance Curves pc-board), it is recommended that a 0.020 (0.5mm) clearance be main- Input & Output Noise See Performance Curves tained between L1 and all exposed pc-board traces. Short Circuit Protection Continuous 8. Dropout Voltage: 78SR series regulators described in this data sheet Isolation None specify a minimum input voltage at which full-load accuracy and output Overvoltage Protection None regulation are guaranteed (7.5V for 7803SR-C and 7805SR-C, and 15.0V Undervoltage Protection None for 7812SR-C). However, these devices will stay in regulation at lower input voltages if they are operated at less than their rated loads. Environmental The following dropout-voltage data, derived from sample testing Models 7803SR-C 7805SR-C 7812SR-C performed at an ambient temperature of +25C with resistive loads, Operating Temperature 40 to +70C should be used for information purposes only. For these tests, a unit was Storage Temperature 40 to +85C considered to be out of regulation when its output changed by more Cooling Free Air Convection +/0.005Vdc from its nominal value. All voltages were measured directly Humidity (Non-condensing) 0 to 85% at the regulators I/O pins. Physical Mechanical See Mechanical Speci cations Package Open-frame SIP Pins 0.025 (0.64mm) square, tin-plated bronze Typical Dropout Voltage Weight 0.08 ounces (2.2g) 0% Load 25% Load 50% Load 100% Load Pin Soldering +260C for 5 seconds 7803SR-C 6.0V 6.2V 6.2V 6.3V See Technical Note 5. 7805SR-C 6.3V 6.2V 6.2V 6.8V While these regulators can withstand a continuous short-circuit across their 7812SR-C 12.8V 13.0V 12.8V 13.0V output terminals, they will experience a signi cant temperature rise. Extended short-circuit operation will adversely affect the units reliability. www.murata-ps.com/support 30 Oct 2015 MDC 78xxSR Series.B07 Page 2 of 7

Tariff Desc

8504.40.90 POWER SUPPLIES, having BOTH:
(a) input voltages of 176V-246VAC, 47Hz-63Hz single phase OR 200V-230VAC, 50Hz-60Hz single phase
(b) multiple DC output voltages from minus 200 V to positive 200V
TC 9603032

8504.40.90 CHARGERS, ADAPTERS AND INVERTERS, AC/DC OR DC/DC OR DC/AC having ALL of the following:
(a) input voltage NOT less than 10V and NOT greater than 252V
(b) output voltage NOT less than 2V and NOT greater than 252V
(c) wattage NOT less than 40 W and NOT greater than 160W
(d) output current NOT greater than 17A - TC 1021920

8504.50.10 81
(a) designed for use with equipment of 8471
(b) for telecommunication apparatus of 8517 Free

8504.40.90 POWER SUPPLY UNITS, DC AND/OR AC output, complying with AS/NZS 60950 & AS/NZS CISPR 22, having ALL of:
(a) voltage NOT less than 2.5 V and NOT greater than 55V
(b) wattage NOT less than 0.02 W and NOT greater than 105W
(c) current output NOT less than 0.01 amp and NOT greater than 2.5amp
TC 1014564

8504.40.90 POWER SUPPLY MODULES having ALL of the following:
(a) input power at EITHER of the following voltages:
(i) 120VAC/240VAC
(ii) 24VDC /48VDC
(b) output power at EITHER of the following voltages:
(i) 5VDC, +15VDC, -15VDC, and 24VDC field I/O
(ii) 24VDC field I/O only
(c) circuitry monitors
(d) output adjusters
TC 9810001

8504.40.90 POWER SUPPLIES DC having BOTH:
(a) variable voltage NOT exceeding 30V
(b) maximum current output NOT exceeding 25amps
TC 9900597

8504.40.90 CONVERTERS, DC/DC, power output not exceeding 5W, being ANY of:
(a) single in line package
(b) dual in line
(c) surface mount device
TC 9601650

8543.90.20 20 Electronic microassemblies Free

8504.40.30 Static converters
(a) separately housed units, designed to be housed in the same cabinet as the central processing unit of equipment of 8471
(b) for telecommunication apparatus of 8517
60 No Electric current rectifying assemblies Free
63 No Other Free
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MURATA
Murata - TOKO
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MURATA MANUFACTURING
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Murata Power Solutio
Murata Power Solutions
Murata Power Solutions Inc
Murata Power Solutions Inc.
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TOKO AMERICA
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