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Home Products Resistors Chip Resistor - Surface Mount~~RN73H2BTTD69R0A25~~

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RN73H2BTTD69R0A25 - KOA Speer Electronics, Inc.

Manufacturer Part Number: RN73H2BTTD69R0A25

Manufacturer: KOA Speer Electronics, Inc.

Allelco Part Number: 98D-RN73H2BTTD69R0A25

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 37,752 pcs available, New & Original

Parts Description: RES 69 OHM 0.05% 1/4W 1206

Package: 1206

Data sheet: RN73H2BTTD69R0A.pdf

Datasheets
RN73H Type Datasheet.pdf

HTML Datasheet
RN73H Type Datasheet.pdf

RoHs Status: ROHS3 Compliant

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Specifications

RN73H2BTTD69R0A25 Tech Specifications
KOA Speer Electronics, Inc. - RN73H2BTTD69R0A25 technical specifications, attributes, parameters and parts with similar specifications to KOA Speer Electronics, Inc. - RN73H2BTTD69R0A25

Product Attribute	Attribute Value
Manufacturer	KOA Speer Electronics, Inc.
Tolerance	±0.05%
Temperature Coefficient	±25ppm/°C
Supplier Device Package	1206
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)
Series	RN73H
Resistance	69 Ohms
Ratings	AEC-Q200
Power (Watts)	0.25W, 1/4W

Product Attribute	Attribute Value
Package / Case	1206 (3216 Metric)
Package	Tape & Reel (TR)
Operating Temperature	-55°C ~ 155°C
Number of Terminations	2
Height - Seated (Max)	0.028" (0.70mm)
Features	Automotive AEC-Q200, Moisture Resistant
Failure Rate	-
Composition	Metal Film
Base Product Number	RN73H2B

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8533.21.0030

Frequently Asked Questions(FAQ)

What makes the RN73H2BTTD69R0A25 suitable for automotive applications compared to standard metal film resistors?: The RN73H2BTTD69R0A25 carries AEC-Q200 automotive qualification, which means it has undergone rigorous stress testing for temperature cycling, humidity exposure, and mechanical shock typical in vehicle environments. The ±0.05% tolerance combined with a ±25ppm/°C temperature coefficient ensures the 69 ohm resistance remains stable across the -55°C to 155°C operating range found in under-hood and cabin applications. This stability is critical in sensor signal conditioning and load-switching circuits where resistance drift would introduce measurement error or alter circuit timing.

How does the 0.25W power rating of the RN73H2BTTD69R0A25 affect current-limiting applications in automotive circuits?: At 69 ohms and 0.25W maximum dissipation, the RN73H2BTTD69R0A25 can safely handle approximately 60mA continuous current (calculated as √(0.25W ÷ 69Ω) ≈ 60mA) before thermal stress reduces component life. In practical automotive designs, this resistor is well-suited for indicator LED current limiting, low-power signal attenuation, and gate-drive resistances in MOSFET circuits where continuous currents remain below 50mA. For higher-current paths, designers must either parallel multiple RN73H2BTTD69R0A25 units or upgrade to larger packages, as thermal runaway becomes a concern in confined PCB regions.

What is the difference between the RN73H2BTTD69R0A25 and a 69 ohm 1% tolerance resistor for precision measurement circuits?: The RN73H2BTTD69R0A25 offers ±0.05% tolerance versus typical ±1% for standard metal film resistors, representing a 20× improvement in initial accuracy. This precision becomes decisive in ratiometric sensor signal conditioning, where two or more resistors form voltage dividers or analog filter networks. A 1% resistor in a sensor bridge circuit could introduce 0.69 ohm variations (1% of 69Ω), while the RN73H2BTTD69R0A25 limits variation to ±0.0345 ohms. Over a 10-year vehicle service life, the RN73H2BTTD69R0A25's tighter temperature coefficient (±25ppm/°C) also prevents cumulative calibration drift that would otherwise require periodic sensor recalibration.

Why does the RN73H2BTTD69R0A25 specify MSL 1 (Unlimited) moisture sensitivity?: Moisture Sensitivity Level 1 on the RN73H2BTTD69R0A25 indicates the component absorbs negligible moisture during storage and does not require special dry-pack handling or baking before reflow soldering. This stems from the metal film construction and the moisture-resistant coating applied to the RN73H series. For manufacturing facilities without controlled desiccant cabinets or in high-humidity regions, the RN73H2BTTD69R0A25 eliminates the risk of delamination or solder joint cracking caused by moisture-induced expansion during thermal shock. This operational simplicity reduces rework rates and qualification burden in automotive supply chains.

How should the 1206 package size of the RN73H2BTTD69R0A25 influence PCB thermal design in high-current applications?: The 1206 (3.20mm × 1.60mm) package dimensions of the RN73H2BTTD69R0A25 provide moderate thermal coupling to the PCB compared to larger 1210 or 2010 packages. In designs where multiple RN73H2BTTD69R0A25 units carry combined power dissipation, spacing should exceed 5mm between resistor bodies to prevent localized hot spots. Copper pour area beneath the terminations improves heat dissipation; a 0.5mm2 copper pad significantly reduces junction temperature rise compared to minimal trace connection. For under-hood applications where ambient temperatures already reach 125°C, designers should verify the RN73H2BTTD69R0A25 junction temperature remains below 155°C by calculating actual power dissipation and applying appropriate thermal derating.

Can the RN73H2BTTD69R0A25 replace a wirewound 69 ohm resistor in frequency-dependent circuits?: The RN73H2BTTD69R0A25 metal film construction exhibits significantly lower parasitic inductance (typically <0.5nH) compared to wirewound resistors (often 10–100nH depending on winding geometry). This makes the RN73H2BTTD69R0A25 suitable for AC signal paths and high-frequency feedback networks, whereas wirewound types create unwanted impedance rise at frequencies above 1MHz. However, the RN73H2BTTD69R0A25 does not replicate the higher current capacity of wirewound designs. Direct substitution requires confirming that circuit current demands remain below the 0.25W dissipation limit and that frequency performance (not power handling) was the original constraint driving wirewound selection.

What does the ±25ppm/°C temperature coefficient mean for long-term stability of the RN73H2BTTD69R0A25 in thermal cycling?: Over a 100°C temperature swing (from 55°C to 155°C), the RN73H2BTTD69R0A25 resistance will drift by approximately ±0.172 ohms (±25ppm/°C × 100°C × 69Ω = ±0.172Ω), or about ±0.25% relative change. Automotive thermal cycles repeat hundreds of times during vehicle lifetime, and the RN73H2BTTD69R0A25's low temperature coefficient minimizes cumulative calibration creep. This is particularly relevant in diagnostic threshold circuits where a resistor sets the comparison point for fault detection; excessive drift could cause false alarms or missed warnings across the vehicle fleet's temperature operating range.

How does the RN73H2BTTD69R0A25's RoHS3 compliance impact supply chain qualification in regulated markets?: The RoHS3 compliance designation on the RN73H2BTTD69R0A25 confirms absence of lead, cadmium, and other restricted substances used in European automotive and consumer electronics. For manufacturers exporting to EU markets or supplying Tier-1 automotive suppliers, RoHS3 certification on the RN73H2BTTD69R0A25 eliminates a qualification checkpoint and reduces documentation burden. REACH Unaffected status further simplifies supply chain compliance by confirming no restricted substances under the EU REACH regulation require pre-notification or ongoing tracking.

What is the practical difference between the RN73H2BTTD69R0A25 and a 0402 or 0603 surface-mount resistor for space-constrained designs?: The 1206 package of the RN73H2BTTD69R0A25 measures 3.2mm long versus 2.0mm for a 0603 and 1.0mm for a 0402. While smaller packages save board area, the RN73H2BTTD69R0A25's larger footprint enables the 0.25W power rating and ±0.05% tolerance that smaller packages cannot deliver without significant cost premium. In automotive applications, the 1206 RN73H2BTTD69R0A25 offers a practical balance: sufficient thermal mass for reliable dissipation at moderate power levels, adequate real estate for manual rework if field repair becomes necessary, and lower unit cost than precision 0402 equivalents. Switching to smaller packages typically forces tolerance compromise (moving to ±0.1% or ±1%) or power deration.

Why would a designer choose the RN73H2BTTD69R0A25 over a thin-film integrated resistor network for multi-resistor applications?: Thin-film networks offer higher tolerance and lower temperature coefficient per resistor but introduce design inflexibility: once the network is specified, resistor values and ratios are locked. The RN73H2BTTD69R0A25 as a discrete component allows independent tuning of individual resistor functions, easier troubleshooting (failures isolate to a single component), and mid-design value changes without re-qualifying new part numbers. For automotive sensor signal paths where compensation networks evolve across vehicle model generations, using individual RN73H2BTTD69R0A25 units costs more initially but enables design flexibility and reduces long-term NRE (non-recurring engineering) burden.

How does the RN73H2BTTD69R0A25 perform in high-vibration under-hood environments typical of commercial vehicles?: The AEC-Q200 qualification of the RN73H2BTTD69R0A25 includes mechanical shock and vibration testing per MIL-STD-810 profiles, confirming solder joint integrity and resistive stability under continuous vibration up to 20G across 10–500Hz frequency ranges. Commercial heavy-duty vehicles subject the RN73H2BTTD69R0A25 to harsher acceleration profiles than passenger cars. The 1206 package provides sufficient mechanical compliance via its terminations to absorb vibration energy without cracking, whereas smaller 0402 packages show higher failure rates under identical conditions. For engine bay control modules or transmission control units, the RN73H2BTTD69R0A25 represents a vetted choice with field-proven reliability.

What procurement considerations apply when sourcing the RN73H2BTTD69R0A25 in volume for automotive production?: The RN73H2BTTD69R0A25 ships in tape & reel (TR) packaging optimized for automated pick-and-place assembly. KOA Speer maintains consistent production capacity for the RN73H series, making lead times predictable for high-volume automotive contracts. The HTSUS classification (8533.21.0030) and EAR99 export control status simplify customs documentation and allow unrestricted resale. For supply continuity, designers should confirm that the RN73H2BTTD69R0A25 appears in multiple distributor catalogs and verify at least two authorized KOA resellers carry stock; this reduces single-source risk if one distributor faces allocation constraints.

Parts with Similar Specifications

The three parts on the right have similar specifications to KOA Speer Electronics, Inc. RN73H2BTTD69R0A25

Product Attribute
Part Number	RN73H2BTTD69R0C25	RN73H2BTTD69R0B25	RN73H2BTTD69R0D25	RN73H2BTTD69R0C50
Manufacturer	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.	KOA Speer Electronics, Inc.
Tolerance	-	-	-	-
Series	-	-	-	-
Number of Terminations	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Power (Watts)	-	-	-	-
Composition	-	-	-	-
Resistance	-	-	-	-
Size / Dimension	-	-	-	-
Ratings	-	-	-	-
Height - Seated (Max)	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Features	-	-	-	Simultaneous Sampling
Failure Rate	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Temperature Coefficient	-	-	-	-

RN73H2BTTD69R0A25 Datasheet PDF

Download RN73H2BTTD69R0A25 pdf datasheets and KOA Speer Electronics, Inc. documentation for RN73H2BTTD69R0A25 - KOA Speer Electronics, Inc..

Datasheets: RN73H Type Datasheet.pdf
HTML Datasheet: RN73H Type Datasheet.pdf

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
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	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

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1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

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