ULN2003AD vs ULN2003AN Comparison
Detailed side-by-side comparison of ULN2003AD by Texas Instruments and ULN2003AN by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | ULN2003AD | ULN2003AN |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Transistors | Transistors |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.08 | $0.31 |
| Number of Channels | 7 | 7 |
| Collector-Emitter Voltage (VCE) | 50 V | — |
| Collector Current (IC) per Channel | 500 mA (continuous), 600 mA (peak) | — |
| Input Voltage (VIN) | 30 V (max) | — |
| Base Current (IB) | 25 mA (max) | — |
| Saturation Voltage (VCE(sat)) | 1.6 V (typical at IC=350 mA) | — |
| Clamp Diode Reverse Voltage | 50 V | — |
| Clamp Diode Forward Current | 500 mA | — |
| Input Resistance | 2.7 kΩ (base), 3.6 kΩ (emitter) | — |
| Operating Temperature Range | -40°C to +105°C | -20 C to +85 C (TI datasheet) |
| Package | SOIC-16 (D) | 16-PDIP (N) through-hole |
| Mounting Type | Surface Mount | Through Hole |
| RoHS Status | Compliant | Compliant (lead-free N suffix) |
| Logic Compatibility | TTL, 5V CMOS | TTL, CMOS, DTL, PMOS, 5V/3.3V microcontrollers |
| Output Type | Open Collector | — |
| Transistor Type | — | 7 x NPN Darlington Pair Array |
| Collector-Emitter Voltage (Vce Max) | — | 50 V |
| Continuous Collector Current (Ic, single output) | — | 500 mA |
| Peak Collector Current | — | 600 mA |
| DC Current Gain (hFE, typical) | — | 1000 (min) |
| Vce(sat) at 100mA | — | 0.9 V to 1.0 V typical |
| Vce(sat) at 350mA | — | 1.1 V typical |
| Input Base Resistance | — | 2.7 kohm integrated |
| Clamp Diodes | — | Yes (common cathode to COM pin) |
| Junction Temperature (max) | — | 150 C |