ULN2003AN vs ULN2003AD Comparison
Detailed side-by-side comparison of ULN2003AN by Texas Instruments and ULN2003AD 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 | ULN2003AN | ULN2003AD |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Transistors | Transistors |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.31 | $0.08 |
| Transistor Type | 7 x NPN Darlington Pair Array | — |
| Number of Channels | 7 | 7 |
| 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) | — |
| Operating Temperature Range | -20 C to +85 C (TI datasheet) | -40°C to +105°C |
| Junction Temperature (max) | 150 C | — |
| Package | 16-PDIP (N) through-hole | SOIC-16 (D) |
| Mounting Type | Through Hole | Surface Mount |
| Logic Compatibility | TTL, CMOS, DTL, PMOS, 5V/3.3V microcontrollers | TTL, 5V CMOS |
| RoHS Status | Compliant (lead-free N suffix) | Compliant |
| 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) |
| Output Type | — | Open Collector |