CHIPNOBO
Semiconductor Replacement Engineering & Supply Continuity
Single Bipolar Transistors
PRODUCT DATASHEET
ChipNobo MPN
NB437
GLOBAL BRAND CROSS-REFERENCE
STMicroelectronics
TRANS NPN 45V 4A SOT-32-3
BD437
- High-reliability design
- Long-term stable supply
- RoHS compliant
TRANS NPN 45V 4A SOT-32-3
1. PRODUCT POSITIONING
NB437 is a product identity corresponding to the reference product BD437. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.
This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.
| 2. TECHNICAL SPECIFICATION COMPARISON (core parameters) | |||
|---|---|---|---|
| Parameter | STMicroelectronics BD437 | ChipNobo NB437 | Match |
| Mounting Type | Through Hole | Through Hole | ✓ |
| Part Status | Not For New Designs | Not For New Designs | ✓ |
| Transistor Type | NPN | NPN | ✓ |
| Voltage - Collector Emitter Breakdown (Max) | 45 V | 45 V | ✓ |
| Operating Temperature | 150°C (TJ) | 150°C (TJ) | ✓ |
| Current - Collector (Ic) (Max) | 4 A | 4 A | ✓ |
| Vce Saturation (Max) @ Ib, Ic | 600mV @ 200mA, 2A | 600mV @ 200mA, 2A | ✓ |
| Current - Collector Cutoff (Max) | 100µA | 100µA | ✓ |
| Package / Case | TO-225AA, TO-126-3 | TO-225AA, TO-126-3 | ✓ |
| Power - Max | 36 W | 36 W | ✓ |
| Frequency - Transition | 3MHz | 3MHz | ✓ |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 30 @ 10mA, 5V | 30 @ 10mA, 5V | ✓ |
| Supplier Device Package | SOT-32-3 | SOT-32-3 | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| 3. SUPPLY & LIFECYCLE | |
|---|---|
| ChipNobo Number | NB437 |
| Lifecycle status | Not For New Designs |
| NRND | No |
| EOL | No |
| PCN monitor | No |
| Last buy date | No Deadline |
| Alternate availability | Sufficient |