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PR29MF11NSZ
Sharp Microelectronics
SSR RELAY SPST-NO 900MA 0-120V
1944 Pcs New Original In Stock
Solid State SPST-NO (1 Form A) 8-DIP (0.300", 7.62mm), 7 Leads
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (294 Ratings)
PR29MF11NSZ
Product Overview
7930001
DiGi Electronics Part Number
PR29MF11NSZ-DGManufacturer
Sharp Microelectronics
PR29MF11NSZ
Description
SSR RELAY SPST-NO 900MA 0-120VInventory
1944 Pcs New Original In Stock
Solid State SPST-NO (1 Form A) 8-DIP (0.300", 7.62mm), 7 Leads
Quantity
Minimum 1
Minimum 1
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365 - Day Quality Guarantee - Every part fully backed.
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PR29MF11NSZ Technical Specifications
Category
Solid State Relays
Packaging
-
Series
PR29MF
Product Status
Obsolete
Mounting Type
Through Hole
Circuit
SPST-NO (1 Form A)
Output Type
AC
Voltage - Input
1.2VDC
Voltage - Load
0 V ~ 120 V
Load Current
900 mA
Termination Style
PC Pin
Package / Case
8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package
8-DIP
Datasheet & Documents
HTML Datasheet
PR29MF11NSZ-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8536.41.0030
Additional Information
Other Names
425-1186-5
Standard Package
50
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
他們的價格十分實在，服務態度也非常親切，值得稱讚！
December 02, 2025
在DiGi Electronics的購物經歷總是令人愉悅，價格優惠且客服人員熱情周到，讓我感受到真正的價值。
December 02, 2025
Their attention to packaging safety minimizes risks during delivery and handling.
December 02, 2025
Their competitive pricing makes high-end electronics accessible.
December 02, 2025
The overall website experience boosts my confidence in their brand.
December 02, 2025
Their extensive selection and transparent pricing make them my preferred supplier.
December 02, 2025
Navigation bars are fixed and accessible, so I can easily switch between sections without hassle.
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Frequently Asked Questions (FAQ)
Can I replace the obsolete PR29MF11NSZ SSR in my existing through-hole PCB design without major layout changes, and what are the key risks in doing so?
Yes, the AQH2223 from Panasonic is a direct functional and mechanical replacement for the PR29MF11NSZ, sharing the same 8-DIP through-hole package and pinout. However, verify input current requirements—the AQH2223 typically needs slightly higher LED drive current (around 5 mA vs. ~3 mA for the Sharp part)—so ensure your control circuit can supply sufficient current. Also, confirm isolation voltage and turn-on time compatibility, as marginal differences could affect timing-sensitive applications. Always test under full load conditions to rule out thermal or switching anomalies.
What are the hidden thermal risks when using the PR29MF11NSZ at or near its 900 mA load current rating in an enclosed industrial control panel?
Even though the PR29MF11NSZ is rated for 900 mA continuous current, its on-resistance generates significant heat (~1.2 W at full load), which can cause thermal runaway in poorly ventilated enclosures. Without a heatsink or adequate airflow, the junction temperature may exceed safe limits, leading to premature failure or reduced lifespan. We recommend derating to 70% of max current (≈630 mA) in confined spaces and monitoring case temperature. If ambient exceeds 40°C, consider forced airflow or switching to a relay with lower Rds(on), such as the AQH2223, which offers better thermal performance in similar packages.
Is it safe to use the PR29MF11NSZ for switching inductive loads like small AC motors or solenoids up to 120 VAC, and what protection circuitry is necessary?
The PR29MF11NSZ can switch inductive loads, but without proper snubbering, voltage transients from coil collapse can damage the internal TRIAC or degrade performance over time. Always include an RC snubber (e.g., 100 Ω + 0.1 µF rated for 250 VAC) across the output terminals. Additionally, consider a metal oxide varistor (MOV) rated for 130–150 VAC to clamp high-energy surges. Without these, repetitive switching of inductive loads may lead to latent failures or reduced MTBF, especially in 24/7 operation environments.
Why is the PR29MF11NSZ listed as RoHS non-compliant, and what compliance risks does this pose for modern product redesigns or global market shipments?
The PR29MF11NSZ contains lead in its internal construction, making it non-compliant with RoHS directives. This restricts its use in new designs targeting the EU, UK, or other regions enforcing RoHS. Even if your current inventory is usable, future production runs or product certifications (e.g., CE marking) will be blocked. For new designs, migrate to a compliant alternative like the AQH2223, which is fully RoHS-compliant and offers similar performance. Continuing with the PR29MF11NSZ may also complicate recycling and disposal processes, increasing long-term compliance liability.
How does the input sensitivity of the PR29MF11NSZ (1.2 VDC trigger) affect compatibility with 3.3 V microcontroller GPIO pins, and could false triggering occur in noisy environments?
The PR29MF11NSZ’s low input trigger voltage (1.2 VDC) makes it compatible with 3.3 V MCU outputs, but the real concern is noise immunity. Since the input is a simple LED, it lacks hysteresis and can false-trigger from EMI or ground bounce in electrically noisy settings like motor drives or long trace runs. To mitigate this, add a series resistor (e.g., 220 Ω) to limit inrush current and a small capacitor (10–100 nF) from the input pin to ground to filter high-frequency noise. For critical applications, consider isolating the control signal with an optocoupler or choosing a relay with built-in input filtering, such as the AQH2223, which offers improved noise resilience despite similar nominal specs.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
PR29MF11NSZ CAD Models
Sharp Microelectronics PR29MF11NSZ PCB symbols & footprints
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