EEH-ZA1E101XP - 100µF 25V Polymer Hybrid SMD Capacitor | Panasonic
MPN: EEH-ZA1E101XP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.92 | $0.92 |
| 10 | $0.83 | $8.30 |
| 100 | $0.71 | $71.00 |
| 500 | $0.59 | $295.00 |
| 1,000 | $0.48 | $480.00 |
EEH-ZA1E101XP Overview
A conductive polymer hybrid aluminum electrolytic capacitor is a hybrid energy-storage device that uses both an aluminum oxide dielectric and a conductive polymer electrolyte layer. It sits in the hierarchy: aluminum electrolytic capacitor -> hybrid aluminum capacitor -> conductive polymer hybrid aluminum electrolytic capacitor. Compared with standard aluminum electrolytic capacitors, polymer hybrids deliver dramatically lower ESR, longer life at high temperatures, and superior ripple-current capability, while retaining high volumetric efficiency.
Key features of the EEH-ZA1E101XP include 100 µF nominal capacitance (±20%), 25 V DC rated voltage, 30 mOhm (or 0.03 ohm) ESR at high frequency, and a 2000 mA ripple-current rating at 105°C and 100 kHz. The device is rated for operation from -55°C to +105°C, supports lead-free reflow soldering up to 250°C, and is qualified to AEC-Q200 for automotive use. The 6.3 mm diameter x 7.7 mm height vertical can with SMD terminals is supplied on tape-and-reel.
Technically, the polymer-hybrid cathode replaces the liquid electrolyte of conventional aluminum capacitors, eliminating dry-out failure modes and enabling 10000-hour endurance at 105°C. The 30 mOhm ESR - orders of magnitude below the equivalent liquid aluminum part - reduces I²R losses, lowers self-heating, and allows the part to handle switching-frequency ripple without derating. The rated voltage of 25 V (with derating recommended above 80% VDC for long life) is well matched to point-of-load rails in 12 V automotive and 24 V industrial buses.
Typical applications include automotive ECU power decoupling, 12 V point-of-load (POL) filtering in ADAS and infotainment systems, server and telecom hold-rail bulk filtering, and industrial DC-DC converter output smoothing. The AEC-Q200 qualification makes it especially attractive for safety-relevant automotive ECUs.
When designing with this circuit, observe the manufacturer's recommended voltage derating (typically ≤80% of rated VDC for maximum life) and respect the 30 mOhm ESR, which is roughly half that of pure polymer aluminum parts but still adequate for most decoupling tasks.
This page synthesizes distributor pricing, drop-in alternatives, and application guidance beyond what the manufacturer datasheet provides.
Drop-in alternatives for EEH-ZA1E101XP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EEH-ZA1E101XV
✅ Drop-In📋 Reference alternative (not in catalog)
EEH-ZA1E101P
✅ Drop-In📋 Reference alternative (not in catalog)
EEH-ZK1E101XP
✅ Drop-In📋 Reference alternative (not in catalog)
EEH-ZA1V101XP
✅ Drop-In📋 Reference alternative (not in catalog)
EEH-ZC1E101XP
✅ Drop-In📋 Reference alternative (not in catalog)
UCD1E101MCL6GS
✅ Drop-In📋 Reference alternative (not in catalog)
HHXC500ARA101MJA0G
✅ Drop-In📋 Reference alternative (not in catalog)
EEH-ZA1E101XP Maximum Ratings & Electrical Characteristics
| Capacitance | 100 µF |
| Capacitance Tolerance | ±20% |
| Rated Voltage (DC) | 25 V |
| ESR | 30 mOhm (0.03 ohm) |
| Ripple Current | 2000 mA at 105°C, 100 kHz |
| Lifetime @ Rated Temp | 10000 hours at 105°C |
| Operating Temperature | -55°C to +105°C |
| Case Size (Diameter x Height) | 6.3 mm x 7.7 mm |
| Package / Mounting | Radial Can - SMD (vertical) |
| Capacitor Type | Conductive Polymer Hybrid Aluminum Electrolytic |
| Series | ZA (SMD High-Temperature Reflow) |
| Soldering | Lead-free reflow, JEDEC J-STD-020 |
| Automotive Qualification | AEC-Q200 |
| RoHS Status | Compliant |
| Polarity | Polarized (marked stripe on can) |
EEH-ZA1E101XP Pin Configuration
| Pin 1 | Anode (+) — Positive terminal (long lead, no stripe) |
| Pin 2 | Cathode (-) — Negative terminal (marked with stripe on can) |
Typical Applications
EEH-ZA1E101XP is suitable for 6 applications: Automotive ECU Power Decoupling, 12 V Point-of-Load Filtering for ADAS Cameras, Industrial 24 V Bus DC-DC Converter Output, Server and Telecom Hold-Rail Bulk Filtering, Portable and Battery-Powered Device Power Conditioning, LED Driver Output Smoothing.
Automotive ECU Power Decoupling
The EEH-ZA1E101XP's 30 mOhm ESR and 2000 mA ripple-current rating make it a strong fit for 12 V automotive ECU power rails where cold-crank and load-dump transients stress bulk capacitors. With 100 µF and AEC-Q200 qualification, it absorbs in-rush at engine start (when the battery drops to ~6 V and rebounds) and smooths DC-DC converter output ripple. The 25 V rating provides 20% margin over the 12 V nominal rail, while the polymer-hybrid cathode prevents dry-out failure under the high under-hood ambient. The 6.3 x 7.7 mm SMD can be placed directly beside the ECU MCU's VCC pin to provide low-impedance decoupling.
Recommended
12 V Point-of-Load Filtering for ADAS Cameras
In ADAS camera modules, the EEH-ZA1E101XP provides high-frequency bypass between the 12 V input and the PoL buck converter feeding the image sensor. Its 30 mOhm ESR attenuates switching noise at 100 kHz-1 MHz, and the 2000 mA ripple rating handles the buck converter's fundamental and harmonics without thermal derating. The AEC-Q200 qualification satisfies ISO 26262 functional-safety BOM requirements, while the 10000-hour life at 105°C ensures reliability over the 10+ year automotive service life. The vertical SMD can also eases layout in space-constrained camera housings.
Recommended
Industrial 24 V Bus DC-DC Converter Output
On a 24 V industrial bus feeding isolated DC-DC converters, the EEH-ZA1E101XP serves as a post-bulk capacitor on the 24 V rail before downstream buck stages. Its 25 V rating requires 80% derating (20 V max continuous), so it is best placed after a pre-regulator stage or used on lower-voltage intermediate rails (12 V, 15 V). The polymer-hybrid cathode keeps ESR flat across temperature and frequency, eliminating the impedance-rise at low frequency that plagues standard aluminum electrolytics. The -55°C to +105°C operating range supports outdoor cabinet and factory-floor deployments.
Recommended
Server and Telecom Hold-Rail Bulk Filtering
In server and telecom hold-up circuits, the EEH-ZA1E101XP can be paralleled to form bulk capacitance on intermediate bus voltages where the 25 V rating is appropriate. Its 100 µF capacity at 30 mOhm ESR delivers low impedance at switching frequencies, reducing total capacitor count versus standard aluminum electrolytics. The 10000-hour life at 105°C supports 5-7 year server service intervals without scheduled capacitor replacement, and the AEC-Q200 rating provides overstress margin in fan-cooled server chassis. Multiple parts in parallel scale the bulk capacitance while spreading thermal load.
Recommended
Portable and Battery-Powered Device Power Conditioning
In portable and battery-powered devices, the EEH-ZA1E101XP filters the output of buck-boost converters that deliver 3-15 V rails from a lithium-ion cell. Its 30 mOhm ESR minimizes converter output ripple, improving audio codec noise floor and ADC SNR in hearing aids, medical wearables and portable instrumentation. The 10000-hour life rating ensures the capacitor outlives the typical 3-5 year portable product lifetime, while the polymer-hybrid cathode prevents the dry-out failures common in liquid-electrolyte aluminum capacitors in sealed portable enclosures. The 6.3 x 7.7 mm SMD can fits in slim portable form factors.
Recommended
LED Driver Output Smoothing
In high-brightness LED driver circuits, the EEH-ZA1E101XP smooths the output of constant-current switching drivers, eliminating visible flicker and high-frequency noise that can affect camera imaging systems and medical optical sensors. The 2000 mA ripple rating handles the LED driver's switching ripple, while the 30 mOhm ESR keeps output impedance low at the LED modulation frequencies. The polymer-hybrid technology is less prone to the audible buzzing that affects standard aluminum electrolytics in PWM-dimmed LED systems, and the AEC-Q200 rating supports automotive headlamp and signal-lighting designs.
Recommended
Recommended Products Summary
Engineering reference data for EEH-ZA1E101XP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EEH-ZA1E101XV | EEH-ZA1E101P | EEH-ZK1E101XP | EEH-ZA1V101XP | UCD1E101MCL6GS | HHXC500ARA101MJA0G |
|---|---|---|---|---|---|---|---|
| Brand | Panasonic | Panasonic | Panasonic | Panasonic | Panasonic | Nichicon | Nichicon |
| Package | 6.3 x 7.7 mm SMD Can | 6.3 x 7.7 mm SMD Can - same | 6.3 x 7.7 mm SMD Can - same | 6.3 x 7.7 mm SMD Can - same | 6.3 x 7.7 mm SMD Can - same | 6.3 x 7.7 mm SMD Can - same | 6.3 x 7.7 mm SMD Can - same |
| Capacitance | 100 µF | 100 µF | 100 µF | 100 µF | 100 µF | 100 µF | 100 µF |
| Rated Voltage | 25 V | 25 V | 25 V | 25 V | 35 V | 25 V | 25 V |
| ESR (100 kHz) | 30 mOhm | 30 mOhm | 30 mOhm | 30 mOhm | 30 mOhm | 35 mOhm | 40 mOhm |
| Automotive Grade (AEC-Q200) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Hybrid polymer-aluminum cathode with 30 mOhm ESR (vs EEH-ZA1V101XP)
- AEC-Q200 automotive qualification with 10000 h life at 105°C (vs UCD1E101MCL6GS (Nichicon))
- 2000 mA ripple-current rating at 100 kHz (vs HHXC500ARA101MJA0G (Nichicon HXC))
Design Notes
Observed: the EEH-ZA1E101XP is a polarized capacitor - reverse mounting (even momentarily during hand rework) will cause catastrophic failure with venting. Always verify polarity stripe before reflow. Recommended: maintain at least 50% voltage derating margin above the maximum continuous rail voltage (i.e. for a 12 V rail use a 25 V part - do not use a 16 V part at 12 V) to absorb transient spikes from automotive load-dump events up to ~35 V.
Estimated: at full 2000 mA ripple and 30 mOhm ESR, the part dissipates approximately I²R = 4 x 10^6 x 0.03 = 120 mW. Mount the SMD can on a copper pad of at least 50 mm² to keep junction temperature rise below 5°C. Lifes expectancy halves for every 10°C above 105°C - derate ripple current 50% if operating continuously at 125°C in non-ZA-family parts.
Use a JEDEC EIA-7343-style land pattern for the 6.3 x 7.7 mm SMD can. Place the part as close as possible to the IC power pin it decouples. Keep trace inductance below 5 nH by using wide (≥0.5 mm) and short (≤5 mm) traces. For multi-capacitor banks, parallel identical manufacturer-date-code parts to minimize ESR mismatch and current hogging. Avoid placing the can directly over PCB cutouts or vias, which reduce the thermal mass under the part.
Compliance Information
AEC-Q200 (not Q100) qualified for automotive passive components. RoHS and REACH compliant per Panasonic ZA Series product page. Lead-free reflow per JEDEC J-STD-020.
